Rice Science ›› 2016, Vol. 23 ›› Issue (4): 184-195.DOI: 10.1016/j.rsci.2015.10.001
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C. Aluwihare Y.1,2, Ishan M.1, D. M. Chamikara M.1, K. Weebadde C.3, N. Sirisena D.4, L. G. Samarasinghe W.4, D. S. S. Sooriyapathirana S.1()
Received:
2015-07-09
Accepted:
2015-10-19
Online:
2016-07-28
Published:
2016-04-11
C. Aluwihare Y., Ishan M., D. M. Chamikara M., K. Weebadde C., N. Sirisena D., L. G. Samarasinghe W., D. S. S. Sooriyapathirana S.. Characterization and Selection of Phosphorus Deficiency Tolerant Rice Genotypes in Sri Lanka[J]. Rice Science, 2016, 23(4): 184-195.
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Genotype | Type | Condition | Important characteristic |
---|---|---|---|
Suwandel | L | Upland | White pericarp, exquisite aroma, special milky taste (ideal choice for festive occasions) |
Murungakayan | L | Upland | Resistant to stem borer and blast, susceptible to lodging |
Sudubalawee | L | Upland | Resistant to gall midge (biotype I), brown planthopper, blast and bacterial blight |
Suduheenati | L | Upland | Antioxidant properties, resistant to blast |
Hondarawala | L | Upland | Resistant to blast and brown planthopper |
Marss | L | Upland | Red pericarp, good eating quality, moderately resistant to blast and bacterial blight |
Kokuwellai | L | Upland | Wide adaptability |
Kaluheenati | L | Upland | High nutritional and medicinal values |
Pokkali | L | Upland | Resistant to brown planthopper and tolerant to salinity |
Rathuheenati | L | Upland | High medicinal values and resistant to brown planthopper |
Rathel | L | Upland | High nutritional and medicinal values |
Sudurusamba | L | Upland | Resistant to brown planthopper and blast |
H10 | OI | Lowland | Red pericarp |
H4 | OI | Lowland | Red pericarp, wide adaptability and resistant to blast |
H7 | OI | Lowland | Good grain quality |
At 353 | NI | Lowland | Red pericarp, suitable for parboiling, moderately resistant to blast and bacterial blight, tolerant to salinity |
At 306 | NI | Lowland | Red pericarp, similar with Basmati like grain quality with long seeds, moderately resistant to blast and bacterial blight, and tolerant to salinity |
At 362 | NI | Lowland | Red pericarp, moderately resistant to brown planthopper, blast and bacterial blight |
At 354 | NI | Lowland | White pericarp, tolerant to salinity and resistant to lodging |
Bg 403 | NI | Lowland | White pericarp, resistant to blast and bacterial blight |
Bg 250 | NI | Lowland | White pericarp, ultra-short in maturity and resistant or moderately resistant to brown planthopper and blast |
Bg 358 | NI | Lowland | High yielding, small grains, resistant to brown planthopper, blast, bacterial blight and moderately tolerant to iron toxicity |
Bg 357 | NI | Lowland | High yielding, resistant to brown planthopper, gall midge (biotypes I and II), moderately resistant to thrips, resistant to blast and moderately resistant to iron toxicity |
Bg 300 | NI | Lowland | High yielding, early maturity, higher adaptability, resistant to gall midge (biotype I), brown planthopper, blast and bacterial blight |
Bg 450 | NI | Lowland | Resistant to gall midge (biotype I) |
Bg 94-1 | NI | Lowland | White pericarp, high yielding and suitable for parboiling |
Bg 352 | NI | Lowland | White pericarp, intermediate sized bold type grains, high yielding, early maturity, wide adaptability and resistant to blast and brown planthopper |
Bg 379-2 | NI | Lowland | Resistant to brown planthopper, bacterial blight and iron toxicity |
Bw 364 | NI | Lowland | Red pericarp, resistance to gall midge (biotype I) and iron toxicity |
Ld 356 | NI | Lowland | Short round grains, moderately tolerant to iron toxicity, resistant to seed spotting and gall midge (biotype I) |
Table 1 Rice genotypes screened for phosphorous deficiency tolerance.
Genotype | Type | Condition | Important characteristic |
---|---|---|---|
Suwandel | L | Upland | White pericarp, exquisite aroma, special milky taste (ideal choice for festive occasions) |
Murungakayan | L | Upland | Resistant to stem borer and blast, susceptible to lodging |
Sudubalawee | L | Upland | Resistant to gall midge (biotype I), brown planthopper, blast and bacterial blight |
Suduheenati | L | Upland | Antioxidant properties, resistant to blast |
Hondarawala | L | Upland | Resistant to blast and brown planthopper |
Marss | L | Upland | Red pericarp, good eating quality, moderately resistant to blast and bacterial blight |
Kokuwellai | L | Upland | Wide adaptability |
Kaluheenati | L | Upland | High nutritional and medicinal values |
Pokkali | L | Upland | Resistant to brown planthopper and tolerant to salinity |
Rathuheenati | L | Upland | High medicinal values and resistant to brown planthopper |
Rathel | L | Upland | High nutritional and medicinal values |
Sudurusamba | L | Upland | Resistant to brown planthopper and blast |
H10 | OI | Lowland | Red pericarp |
H4 | OI | Lowland | Red pericarp, wide adaptability and resistant to blast |
H7 | OI | Lowland | Good grain quality |
At 353 | NI | Lowland | Red pericarp, suitable for parboiling, moderately resistant to blast and bacterial blight, tolerant to salinity |
At 306 | NI | Lowland | Red pericarp, similar with Basmati like grain quality with long seeds, moderately resistant to blast and bacterial blight, and tolerant to salinity |
At 362 | NI | Lowland | Red pericarp, moderately resistant to brown planthopper, blast and bacterial blight |
At 354 | NI | Lowland | White pericarp, tolerant to salinity and resistant to lodging |
Bg 403 | NI | Lowland | White pericarp, resistant to blast and bacterial blight |
Bg 250 | NI | Lowland | White pericarp, ultra-short in maturity and resistant or moderately resistant to brown planthopper and blast |
Bg 358 | NI | Lowland | High yielding, small grains, resistant to brown planthopper, blast, bacterial blight and moderately tolerant to iron toxicity |
Bg 357 | NI | Lowland | High yielding, resistant to brown planthopper, gall midge (biotypes I and II), moderately resistant to thrips, resistant to blast and moderately resistant to iron toxicity |
Bg 300 | NI | Lowland | High yielding, early maturity, higher adaptability, resistant to gall midge (biotype I), brown planthopper, blast and bacterial blight |
Bg 450 | NI | Lowland | Resistant to gall midge (biotype I) |
Bg 94-1 | NI | Lowland | White pericarp, high yielding and suitable for parboiling |
Bg 352 | NI | Lowland | White pericarp, intermediate sized bold type grains, high yielding, early maturity, wide adaptability and resistant to blast and brown planthopper |
Bg 379-2 | NI | Lowland | Resistant to brown planthopper, bacterial blight and iron toxicity |
Bw 364 | NI | Lowland | Red pericarp, resistance to gall midge (biotype I) and iron toxicity |
Ld 356 | NI | Lowland | Short round grains, moderately tolerant to iron toxicity, resistant to seed spotting and gall midge (biotype I) |
Season | Genotype | Early vegetative stage | Late vegetative stage | Flowering stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | ||||
Yala | H4 | 34.69 a | 65.01 a | 41.00 a | 67.69 a | 70.43 b | 58.12 a | 81.16 a | 73.31 d | 80.13 a | ||
Suduheenati | 34.38 a | 70.75 a | 38.43 b | 74.63 a | 79.37 a | 56.94 a | 97.50 a | 85.63 b | 75.50 a | |||
H10 | 34.88 a | 65.13 a | 41.06 a | 68.17 a | 85.56 a | 59.62 a | 83.43 a | 87.19 b | 76.68 a | |||
Murungakayan | 35.19 a | 60.50 a | 36.50 b | 72.48 a | 67.50 b | 51.06 a | 88.31 a | 69.25 a | 71.83 a | |||
H7 | 35.50 a | 66.62 a | 40.12 a | 67.94 a | 89.00 a | 55.25 a | 89.84 a | 95.13 a | 84.94 a | |||
Bg 403 | 17.63 b | 56.81 b | 27.34 d | 42.02 b | 69.31 b | 39.62 b | 55.53 c | 72.19 d | 58.50 a | |||
Bg 358 | 23.44 b | 57.68 b | 28.88 d | 51.75 b | 70.75 b | 41.80 b | 67.39 b | 79.31 c | 55.23 a | |||
Bg 379-2 | 22.06 b | 52.00 b | 26.88 d | 38.35 b | 57.06 c | 35.19 b | 46.14 c | 64.31 d | 47.79 a | |||
Bg 352 | 25.81 b | 52.00 b | 25.69 d | 53.00 b | 67.25 b | 36.69 b | 63.53 b | 69.63 d | 51.19 a | |||
Bg 357 | 24.88 b | 43.50 c | 31.75 c | 48.69 b | 44.55 d | 42.00 b | 58.10 b | 46.75 e | 53.53 a | |||
At 354 | 22.25 b | 40.75 c | 27.50 d | 54.46 b | 42.75 d | 39.94 b | 61.66 b | 45.50 e | 52.80 a | |||
Maha | H4 | 46.54 a | 43.13 a | 44.54 a | 65.08 a | 59.63 a | 56.13 a | 102.58 a | 70.69 c | 94.00 a | ||
Marss | 30.38 c | 35.75 b | 29.42 b | 41.63 b | 44.69 b | 38.25 b | 76.00 c | 61.00 c | 75.90 c | |||
Suduheenati | 42.88 a | 43.63 a | 43.71 a | 53.08 a | 62.94 a | 44.83 a | 91.25 b | 71.50 c | 89.25 a | |||
H10 | 50.25 a | 43.38 a | 42.00 a | 69.21 a | 56.81 a | 48.67 a | 109.17 a | 94.00 a | 91.42 a | |||
Rathel | 35.08 c | - | 30.92 b | 52.63 a | - | 41.13 b | 94.73 b | - | 82.91 b | |||
Kaluheenati | 46.50 a | - | 45.63 a | 61.46 a | - | 54.88 a | 90.82 b | - | 91.80 a | |||
Murungakayan | 43.96 a | 45.31 a | 46.42 a | 53.54 a | 62.75 a | 53.42 a | 85.00 b | 80.63 b | 92.00 a | |||
Kokuwellai | 31.83 c | - | 27.79 b | 44.38 b | - | 35.67 b | 73.50 c | - | 66.17 c | |||
H7 | 46.33 a | 43.13 a | 42.71 a | 59.58 a | 60.88 a | 50.29 a | 92.83 b | 94.81 a | 92.92 a | |||
Sudubalawee | 46.71 a | 44.63 a | 45.71 a | 55.38 a | 63.63 a | 47.33 a | 94.58 b | 102.69 a | 93.58 a | |||
Bg 94-1 | 31.33 c | 31.13 b | 29.08 b | 37.54 b | 44.50 b | 33.42 b | 53.92 e | 66.69 c | 59.50 d | |||
Bg 403 | 29.63 c | 32.50 b | 27.75 b | 36.46 b | 43.31 b | 30.88 b | 64.92 d | 63.19 c | 59.58 d | |||
At 362 | 33.75 c | 35.06 b | 32.21 b | 41.75 b | 50.13 b | 37.83 b | 77.58 c | 71.06 c | 74.58 c | |||
Pokkali | 43.38 a | - | 42.58 a | 53.79 a | - | 48.17 a | 93.83 b | - | 95.83 a | |||
Bg 358 | 27.42 c | 32.13 b | 22.88 c | 30.42 b | 46.94 b | 28.38 b | 61.42 d | 66.00 c | 66.92 c | |||
Bg 450 | 23.88 c | 30.75 b | 22.50 c | 25.71 c | 44.69 b | 25.18 b | 65.45 d | 52.44 d | 63.18 c | |||
Sudurusamba | 31.25 c | - | 31.79 b | 35.92 b | - | 35.92 b | 60.75 d | - | 83.83 b | |||
Bg 379-2 | 28.33 c | 30.94 a | 24.92 b | 38.50 b | 41.19 b | 27.38 b | 42.58 f | 52.88 d | 52.25 e | |||
Hondarawala | 46.46 a | 45.19 a | 45.58 a | 51.00 a | 69.44 a | 56.63 a | 74.33 c | 96.56 a | 95.08 a | |||
Bg 352 | 31.35 c | 31.38 b | 28.88 b | 36.63 b | 43.13 b | 29.92 b | 63.42 d | 68.94 c | 64.67 c | |||
Bg 250 | 29.92 c | - | 29.42 b | 41.63 b | - | 32.79 b | 68.25 d | - | 68.33 c | |||
Bw 364 | 31.54 c | - | 28.00 b | 37.67 b | - | 33.46 b | 64.75 d | - | 62.58 c | |||
At 353 | 31.54 c | 33.31 b | 26.00 b | 34.92 b | 48.81 b | 29.17 b | 66.25 d | 79.69 b | 69.00 c | |||
Suwandel | 37.58 b | - | 36.00 b | 44.38 b | - | 39.42 b | 73.67 c | - | 87.55 a | |||
Ld 356 | 31.58 c | - | 32.71 b | 40.92 b | - | 36.71 b | 62.17 d | - | 73.92 c | |||
Rathuheenati | 46.92 a | - | 46.67 a | 56.30 a | - | 46.50 a | 77.09 c | - | 83.10 b | |||
Bg 357 | 27.88 c | 30.44 b | 26.96 b | 33.25 b | 43.06 b | 29.83 b | 58.08 d | 61.19 c | 58.83 d | |||
At 306 | 31.50 c | 36.63 b | 29.46 b | 36.96 b | 47.06 b | 35.50 b | 60.50 d | 62.44 c | 69.63 c | |||
At 354 | 25.21 c | 33.81 b | 25.75 b | 28.42 c | 48.00 b | 32.50 b | 54.08 e | 70.94 c | 61.92 c | |||
Bg 300 | 32.04 c | 35.69 b | 31.29 b | 34.58 b | 47.00 b | 36.29 b | 63.08 d | 73.50 c | 70.36 c |
Table 2 Plant height of the tested rice genotypes.
Season | Genotype | Early vegetative stage | Late vegetative stage | Flowering stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | ||||
Yala | H4 | 34.69 a | 65.01 a | 41.00 a | 67.69 a | 70.43 b | 58.12 a | 81.16 a | 73.31 d | 80.13 a | ||
Suduheenati | 34.38 a | 70.75 a | 38.43 b | 74.63 a | 79.37 a | 56.94 a | 97.50 a | 85.63 b | 75.50 a | |||
H10 | 34.88 a | 65.13 a | 41.06 a | 68.17 a | 85.56 a | 59.62 a | 83.43 a | 87.19 b | 76.68 a | |||
Murungakayan | 35.19 a | 60.50 a | 36.50 b | 72.48 a | 67.50 b | 51.06 a | 88.31 a | 69.25 a | 71.83 a | |||
H7 | 35.50 a | 66.62 a | 40.12 a | 67.94 a | 89.00 a | 55.25 a | 89.84 a | 95.13 a | 84.94 a | |||
Bg 403 | 17.63 b | 56.81 b | 27.34 d | 42.02 b | 69.31 b | 39.62 b | 55.53 c | 72.19 d | 58.50 a | |||
Bg 358 | 23.44 b | 57.68 b | 28.88 d | 51.75 b | 70.75 b | 41.80 b | 67.39 b | 79.31 c | 55.23 a | |||
Bg 379-2 | 22.06 b | 52.00 b | 26.88 d | 38.35 b | 57.06 c | 35.19 b | 46.14 c | 64.31 d | 47.79 a | |||
Bg 352 | 25.81 b | 52.00 b | 25.69 d | 53.00 b | 67.25 b | 36.69 b | 63.53 b | 69.63 d | 51.19 a | |||
Bg 357 | 24.88 b | 43.50 c | 31.75 c | 48.69 b | 44.55 d | 42.00 b | 58.10 b | 46.75 e | 53.53 a | |||
At 354 | 22.25 b | 40.75 c | 27.50 d | 54.46 b | 42.75 d | 39.94 b | 61.66 b | 45.50 e | 52.80 a | |||
Maha | H4 | 46.54 a | 43.13 a | 44.54 a | 65.08 a | 59.63 a | 56.13 a | 102.58 a | 70.69 c | 94.00 a | ||
Marss | 30.38 c | 35.75 b | 29.42 b | 41.63 b | 44.69 b | 38.25 b | 76.00 c | 61.00 c | 75.90 c | |||
Suduheenati | 42.88 a | 43.63 a | 43.71 a | 53.08 a | 62.94 a | 44.83 a | 91.25 b | 71.50 c | 89.25 a | |||
H10 | 50.25 a | 43.38 a | 42.00 a | 69.21 a | 56.81 a | 48.67 a | 109.17 a | 94.00 a | 91.42 a | |||
Rathel | 35.08 c | - | 30.92 b | 52.63 a | - | 41.13 b | 94.73 b | - | 82.91 b | |||
Kaluheenati | 46.50 a | - | 45.63 a | 61.46 a | - | 54.88 a | 90.82 b | - | 91.80 a | |||
Murungakayan | 43.96 a | 45.31 a | 46.42 a | 53.54 a | 62.75 a | 53.42 a | 85.00 b | 80.63 b | 92.00 a | |||
Kokuwellai | 31.83 c | - | 27.79 b | 44.38 b | - | 35.67 b | 73.50 c | - | 66.17 c | |||
H7 | 46.33 a | 43.13 a | 42.71 a | 59.58 a | 60.88 a | 50.29 a | 92.83 b | 94.81 a | 92.92 a | |||
Sudubalawee | 46.71 a | 44.63 a | 45.71 a | 55.38 a | 63.63 a | 47.33 a | 94.58 b | 102.69 a | 93.58 a | |||
Bg 94-1 | 31.33 c | 31.13 b | 29.08 b | 37.54 b | 44.50 b | 33.42 b | 53.92 e | 66.69 c | 59.50 d | |||
Bg 403 | 29.63 c | 32.50 b | 27.75 b | 36.46 b | 43.31 b | 30.88 b | 64.92 d | 63.19 c | 59.58 d | |||
At 362 | 33.75 c | 35.06 b | 32.21 b | 41.75 b | 50.13 b | 37.83 b | 77.58 c | 71.06 c | 74.58 c | |||
Pokkali | 43.38 a | - | 42.58 a | 53.79 a | - | 48.17 a | 93.83 b | - | 95.83 a | |||
Bg 358 | 27.42 c | 32.13 b | 22.88 c | 30.42 b | 46.94 b | 28.38 b | 61.42 d | 66.00 c | 66.92 c | |||
Bg 450 | 23.88 c | 30.75 b | 22.50 c | 25.71 c | 44.69 b | 25.18 b | 65.45 d | 52.44 d | 63.18 c | |||
Sudurusamba | 31.25 c | - | 31.79 b | 35.92 b | - | 35.92 b | 60.75 d | - | 83.83 b | |||
Bg 379-2 | 28.33 c | 30.94 a | 24.92 b | 38.50 b | 41.19 b | 27.38 b | 42.58 f | 52.88 d | 52.25 e | |||
Hondarawala | 46.46 a | 45.19 a | 45.58 a | 51.00 a | 69.44 a | 56.63 a | 74.33 c | 96.56 a | 95.08 a | |||
Bg 352 | 31.35 c | 31.38 b | 28.88 b | 36.63 b | 43.13 b | 29.92 b | 63.42 d | 68.94 c | 64.67 c | |||
Bg 250 | 29.92 c | - | 29.42 b | 41.63 b | - | 32.79 b | 68.25 d | - | 68.33 c | |||
Bw 364 | 31.54 c | - | 28.00 b | 37.67 b | - | 33.46 b | 64.75 d | - | 62.58 c | |||
At 353 | 31.54 c | 33.31 b | 26.00 b | 34.92 b | 48.81 b | 29.17 b | 66.25 d | 79.69 b | 69.00 c | |||
Suwandel | 37.58 b | - | 36.00 b | 44.38 b | - | 39.42 b | 73.67 c | - | 87.55 a | |||
Ld 356 | 31.58 c | - | 32.71 b | 40.92 b | - | 36.71 b | 62.17 d | - | 73.92 c | |||
Rathuheenati | 46.92 a | - | 46.67 a | 56.30 a | - | 46.50 a | 77.09 c | - | 83.10 b | |||
Bg 357 | 27.88 c | 30.44 b | 26.96 b | 33.25 b | 43.06 b | 29.83 b | 58.08 d | 61.19 c | 58.83 d | |||
At 306 | 31.50 c | 36.63 b | 29.46 b | 36.96 b | 47.06 b | 35.50 b | 60.50 d | 62.44 c | 69.63 c | |||
At 354 | 25.21 c | 33.81 b | 25.75 b | 28.42 c | 48.00 b | 32.50 b | 54.08 e | 70.94 c | 61.92 c | |||
Bg 300 | 32.04 c | 35.69 b | 31.29 b | 34.58 b | 47.00 b | 36.29 b | 63.08 d | 73.50 c | 70.36 c |
Season | Genotype | Early vegetative stage | Late vegetative stage | Flowering stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | ||||
Yala | H4 | 3.3 b | 2.1 a | 2.3 a | 3.6 b | 2.6 b | 2.9 b | 4.4 c | 2.7 b | 3.7 c | ||
Suduheenati | 1.6 c | 1.7 c | 1.1 d | 3.1 b | 2.0 c | 1.3 c | 5.2 a | 2.2 b | 4.3 c | |||
H10 | 2.1 c | 1.7 c | 2.0 b | 2.3 c | 1.9 c | 2.3 b | 2.7 f | 2.0 b | 4.2 c | |||
Murungakayan | 2.0 c | 1.7 b | 1.6 c | 2.5 c | 2.0 c | 1.6 c | 5.1 b | 2.3 b | 4.7 c | |||
H7 | 2.3 c | 2.2 a | 1.9 b | 3.2 b | 2.2 b | 2.2 b | 4.7 b | 2.6 b | 3.8 c | |||
Bg 403 | 2.0 c | 2.3 a | 2.5 a | 2.7 c | 2.7 a | 3.9 a | 4.6 c | 3.2 a | 6.4 a | |||
Bg 358 | 2.3 c | 1.7 c | 1.4 d | 3.1 b | 2.1 c | 2.2 b | 4.9 b | 2.1 b | 4.1 c | |||
Bg 379-2 | 1.8 c | 1.8 b | 2.2 a | 2.1 c | 2.3 b | 2.5 b | 4.1 d | 2.5 b | 3.3 c | |||
Bg 352 | 3.4 b | 1.7 b | 1.3 d | 3.5 b | 2.1 b | 1.4 c | 5.0 b | 2.2 b | 3.3 c | |||
Bg 357 | 3.1 b | 1.9 b | 1.8 b | 3.4 b | 1.9 c | 2.7 b | 3.8 e | 2.1 b | 2.8 d | |||
At 354 | 4.2 a | 1.9 b | 2.2 a | 4.6 a | 2.0 c | 2.8 b | 4.9 b | 2.2 b | 5.8 b | |||
Maha | H4 | 1.1 b | 2.2 a | 1.2 d | 2.1 b | 2.7 a | 3.1 d | 2.1 b | 2.8 a | 3.1 d | ||
Marss | 1.0 c | 2.3 a | 2.0 b | 1.7 c | 2.7 a | 4.5 b | 1.7 c | 2.9 a | 4.5 b | |||
Suduheenati | 1.0 c | 1.6 d | 1.3 d | 1.3 d | 1.9 c | 3.6 c | 1.3 d | 2.0 c | 3.6 c | |||
H10 | 1.2 b | 1.7 c | 1.5 c | 2.2 b | 2.0 c | 2.8 d | 2.2 b | 2.1 c | 2.8 d | |||
Rathel | 1.0 c | - | 1.4 c | 1.5 d | - | 2.7 d | 1.5 d | - | 2.7 d | |||
Kaluheenati | 1.0 c | - | 1.8 b | 1.8 c | - | 2.6 d | 1.8 c | - | 2.6 d | |||
Murungakayan | 1.0 c | 1.7 c | 1.1 d | 1.0 e | 2.0 c | 2.8 d | 1.0 e | 2.1 c | 2.8 d | |||
Kokuwellai | 1.2 b | - | 1.9 b | 3.3 a | - | 4.3 b | 3.3 a | - | 4.3 b | |||
H7 | 1.0 c | 2.2 a | 1.6 b | 1.6 c | 2.2 b | 2.2 d | 1.6 c | 2.5 b | 2.2 d | |||
Sudubalawee | 1.0 c | 1.6 d | 1.4 c | 1.0 e | 1.6 d | 2.6 d | 1.0 e | 1.7 d | 2.6 d | |||
Bg 94-1 | 1.5 a | 2.5 a | 2.8 a | 3.1 a | 2.6 a | 5.3 a | 3.1 a | 2.7 b | 5.3 a | |||
Bg 403 | 1.0 c | 2.3 a | 1.7 b | 1.9 c | 3.0 a | 4.1 b | 1.9 c | 3.0 a | 4.1 b | |||
At 362 | 1.0 c | 1.4 e | 1.2 d | 1.7 c | 1.7 d | 2.9 d | 1.7 c | 1.8 d | 2.9 d | |||
Pokkali | 1.0 c | - | 1.0 d | 1.0 e | - | 2.0 d | 1.0 e | - | 2.0 d | |||
Bg 358 | 1.0 c | 1.7 c | 1.3 d | 1.1 e | 2.0 c | 3.5 c | 1.1 e | 2.1 c | 3.5 c | |||
Bg 450 | 1.0 c | 1.8 b | 1.7 b | 1.3 d | 2.4 b | 3.4 c | 1.3 d | 2.5 b | 3.4 c | |||
Sudurusamba | 1.0 c | - | 1.1 d | 1.3 d | - | 2.8 d | 1.3 d | - | 2.8 d | |||
Bg 379-2 | 1.0 c | 1.9 b | 1.5 c | 1.8 c | 2.4 b | 3.3 c | 1.8 c | 2.5 b | 3.3 c | |||
Hondarawala | 1.0 c | 1.6 d | 1.1 d | 1.3 d | 1.8 c | 2.7 d | 1.3 d | 1.9 c | 2.7 d | |||
Bg 352 | 1.0 c | 1.8 b | 1.3 d | 1.8 c | 2.1 b | 2.6 d | 1.8 c | 2.2 c | 2.6 d | |||
Bg 250 | 1.0 c | - | 1.2 d | 1.9 c | - | 3.2 c | 1.9 c | - | 3.2 c | |||
Bw 364 | 1.0 c | - | 1.6 b | 1.6 c | - | 4.0 b | 1.6 c | - | 4.0 b | |||
At 353 | 1.0 c | 1.9 b | 1.2 d | 1.1 e | 2.2 b | 2.1 d | 1.1 e | 2.4 b | 2.1 d | |||
Suwandel | 1.0 c | - | 1.0 d | 1.1 e | - | 2.3 d | 1.1 e | - | 2.3 d | |||
Ld 356 | 1.0 c | - | 1.1 d | 1.4 d | - | 2.8 d | 1.4 d | - | 2.8 d | |||
Rathuheenati | 1.0 c | - | 1.2 d | 1.3 d | - | 2.3 d | 1.3 d | - | 2.3 d | |||
Bg 357 | 1.0 c | 1.7 c | 1.4 c | 1.0 e | 1.9 c | 3.4 c | 1.0 e | 2.0 c | 3.4 c | |||
At 306 | 1.0 c | 1.5 d | 1.7 b | 1.3 d | 1.8 c | 3.3 c | 1.3 d | 1.8 c | 3.3 c | |||
At 354 | 1.2 b | 1.9 b | 1.6 c | 1.1 e | 2.1 c | 4.0 b | 1.1 e | 2.2 c | 4.0 b | |||
Bg 300 | 1.0 c | 1.8 b | 1.2 d | 1.4 d | 1.8 c | 2.7 d | 1.4 d | 1.9 c | 2.7 d |
Table 3 Mean number of tillers per plant of the tested rice genotypes.
Season | Genotype | Early vegetative stage | Late vegetative stage | Flowering stage | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | ||||
Yala | H4 | 3.3 b | 2.1 a | 2.3 a | 3.6 b | 2.6 b | 2.9 b | 4.4 c | 2.7 b | 3.7 c | ||
Suduheenati | 1.6 c | 1.7 c | 1.1 d | 3.1 b | 2.0 c | 1.3 c | 5.2 a | 2.2 b | 4.3 c | |||
H10 | 2.1 c | 1.7 c | 2.0 b | 2.3 c | 1.9 c | 2.3 b | 2.7 f | 2.0 b | 4.2 c | |||
Murungakayan | 2.0 c | 1.7 b | 1.6 c | 2.5 c | 2.0 c | 1.6 c | 5.1 b | 2.3 b | 4.7 c | |||
H7 | 2.3 c | 2.2 a | 1.9 b | 3.2 b | 2.2 b | 2.2 b | 4.7 b | 2.6 b | 3.8 c | |||
Bg 403 | 2.0 c | 2.3 a | 2.5 a | 2.7 c | 2.7 a | 3.9 a | 4.6 c | 3.2 a | 6.4 a | |||
Bg 358 | 2.3 c | 1.7 c | 1.4 d | 3.1 b | 2.1 c | 2.2 b | 4.9 b | 2.1 b | 4.1 c | |||
Bg 379-2 | 1.8 c | 1.8 b | 2.2 a | 2.1 c | 2.3 b | 2.5 b | 4.1 d | 2.5 b | 3.3 c | |||
Bg 352 | 3.4 b | 1.7 b | 1.3 d | 3.5 b | 2.1 b | 1.4 c | 5.0 b | 2.2 b | 3.3 c | |||
Bg 357 | 3.1 b | 1.9 b | 1.8 b | 3.4 b | 1.9 c | 2.7 b | 3.8 e | 2.1 b | 2.8 d | |||
At 354 | 4.2 a | 1.9 b | 2.2 a | 4.6 a | 2.0 c | 2.8 b | 4.9 b | 2.2 b | 5.8 b | |||
Maha | H4 | 1.1 b | 2.2 a | 1.2 d | 2.1 b | 2.7 a | 3.1 d | 2.1 b | 2.8 a | 3.1 d | ||
Marss | 1.0 c | 2.3 a | 2.0 b | 1.7 c | 2.7 a | 4.5 b | 1.7 c | 2.9 a | 4.5 b | |||
Suduheenati | 1.0 c | 1.6 d | 1.3 d | 1.3 d | 1.9 c | 3.6 c | 1.3 d | 2.0 c | 3.6 c | |||
H10 | 1.2 b | 1.7 c | 1.5 c | 2.2 b | 2.0 c | 2.8 d | 2.2 b | 2.1 c | 2.8 d | |||
Rathel | 1.0 c | - | 1.4 c | 1.5 d | - | 2.7 d | 1.5 d | - | 2.7 d | |||
Kaluheenati | 1.0 c | - | 1.8 b | 1.8 c | - | 2.6 d | 1.8 c | - | 2.6 d | |||
Murungakayan | 1.0 c | 1.7 c | 1.1 d | 1.0 e | 2.0 c | 2.8 d | 1.0 e | 2.1 c | 2.8 d | |||
Kokuwellai | 1.2 b | - | 1.9 b | 3.3 a | - | 4.3 b | 3.3 a | - | 4.3 b | |||
H7 | 1.0 c | 2.2 a | 1.6 b | 1.6 c | 2.2 b | 2.2 d | 1.6 c | 2.5 b | 2.2 d | |||
Sudubalawee | 1.0 c | 1.6 d | 1.4 c | 1.0 e | 1.6 d | 2.6 d | 1.0 e | 1.7 d | 2.6 d | |||
Bg 94-1 | 1.5 a | 2.5 a | 2.8 a | 3.1 a | 2.6 a | 5.3 a | 3.1 a | 2.7 b | 5.3 a | |||
Bg 403 | 1.0 c | 2.3 a | 1.7 b | 1.9 c | 3.0 a | 4.1 b | 1.9 c | 3.0 a | 4.1 b | |||
At 362 | 1.0 c | 1.4 e | 1.2 d | 1.7 c | 1.7 d | 2.9 d | 1.7 c | 1.8 d | 2.9 d | |||
Pokkali | 1.0 c | - | 1.0 d | 1.0 e | - | 2.0 d | 1.0 e | - | 2.0 d | |||
Bg 358 | 1.0 c | 1.7 c | 1.3 d | 1.1 e | 2.0 c | 3.5 c | 1.1 e | 2.1 c | 3.5 c | |||
Bg 450 | 1.0 c | 1.8 b | 1.7 b | 1.3 d | 2.4 b | 3.4 c | 1.3 d | 2.5 b | 3.4 c | |||
Sudurusamba | 1.0 c | - | 1.1 d | 1.3 d | - | 2.8 d | 1.3 d | - | 2.8 d | |||
Bg 379-2 | 1.0 c | 1.9 b | 1.5 c | 1.8 c | 2.4 b | 3.3 c | 1.8 c | 2.5 b | 3.3 c | |||
Hondarawala | 1.0 c | 1.6 d | 1.1 d | 1.3 d | 1.8 c | 2.7 d | 1.3 d | 1.9 c | 2.7 d | |||
Bg 352 | 1.0 c | 1.8 b | 1.3 d | 1.8 c | 2.1 b | 2.6 d | 1.8 c | 2.2 c | 2.6 d | |||
Bg 250 | 1.0 c | - | 1.2 d | 1.9 c | - | 3.2 c | 1.9 c | - | 3.2 c | |||
Bw 364 | 1.0 c | - | 1.6 b | 1.6 c | - | 4.0 b | 1.6 c | - | 4.0 b | |||
At 353 | 1.0 c | 1.9 b | 1.2 d | 1.1 e | 2.2 b | 2.1 d | 1.1 e | 2.4 b | 2.1 d | |||
Suwandel | 1.0 c | - | 1.0 d | 1.1 e | - | 2.3 d | 1.1 e | - | 2.3 d | |||
Ld 356 | 1.0 c | - | 1.1 d | 1.4 d | - | 2.8 d | 1.4 d | - | 2.8 d | |||
Rathuheenati | 1.0 c | - | 1.2 d | 1.3 d | - | 2.3 d | 1.3 d | - | 2.3 d | |||
Bg 357 | 1.0 c | 1.7 c | 1.4 c | 1.0 e | 1.9 c | 3.4 c | 1.0 e | 2.0 c | 3.4 c | |||
At 306 | 1.0 c | 1.5 d | 1.7 b | 1.3 d | 1.8 c | 3.3 c | 1.3 d | 1.8 c | 3.3 c | |||
At 354 | 1.2 b | 1.9 b | 1.6 c | 1.1 e | 2.1 c | 4.0 b | 1.1 e | 2.2 c | 4.0 b | |||
Bg 300 | 1.0 c | 1.8 b | 1.2 d | 1.4 d | 1.8 c | 2.7 d | 1.4 d | 1.9 c | 2.7 d |
Season | Genotype | SDW (g/pot) | SPC (mg/g) | SPU (mg/pot) | PUE (g/mg) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | |||||
Yala | H4 | 29.80 a | 11.95 c | 33.93 a | 0.65 b | 0.68 a | 0.50 e | 15.70 a | 8.12 b | 21.80 a | 1.50 c | 1.50 c | 2.00 a | |||
Suduheenati | 18.15 c | 21.18 a | 19.50 c | 0.75 a | 0.45 c | 1.04 a | 10.10 d | 9.53 b | 22.90 a | 1.30 d | 2.20 b | 1.00 b | ||||
H10 | 14.20 d | 9.83 c | 17.55 c | 0.47 d | 0.60 b | 0.85 c | 8.10 e | 5.89 c | 19.80 b | 2.10 a | 1.70 c | 1.20 b | ||||
Murungakayan | 20.40 c | 11.20 c | 24.90 b | 0.53 c | 0.38 d | 0.88 c | 12.00 c | 4.25 d | 15.00 d | 1.90 b | 2.60 b | 1.10 b | ||||
H7 | 24.10 b | 11.88 c | 21.00 c | 0.64 b | 0.29 e | 0.59 d | 16.50 a | 3.44 d | 17.20 c | 1.60 b | 3.40 a | 1.70 a | ||||
Bg 403 | 24.90 b | 21.28 a | 27.20 b | 0.59 b | 0.55 b | 0.55 d | 16.20 a | 11.70 a | 17.10 c | 1.70 b | 1.80 c | 1.80 a | ||||
Bg 358 | 13.00 d | 16.08 b | 15.10 c | 0.69 b | 0.45 c | 0.79 c | 18.60 a | 7.23 b | 12.00 e | 1.40 c | 2.20 b | 1.30 b | ||||
Bg 379-2 | 26.50 b | 18.75 b | 28.20 b | 0.68 b | 0.52 b | 0.61 d | 13.70 b | 9.75 b | 17.90 c | 1.50 c | 1.90 c | 1.60 a | ||||
Bg 352 | 22.80 b | 15.40 b | 25.00 b | 0.55 c | 0.48 c | 0.91 b | 14.70 b | 7.39 b | 12.50 e | 1.80 b | 2.10 b | 1.10 b | ||||
Bg 357 | 10.40 d | 23.60 a | 12.50 d | 0.47 d | 0.29 e | 0.82 c | 7.80 e | 6.84 c | 19.30 b | 2.10 a | 3.40 a | 1.20 b | ||||
At 354 | 19.50 c | 23.00 a | 21.20 c | 0.52 c | 0.48 c | 0.85 c | 10.60 d | 11.04 a | 10.20 e | 1.90 b | 2.10 b | 1.20 b | ||||
Maha | H4 | 32.00 a | 18.56 b | 25.93 a | 0.50 c | 0.65 c | 0.52 d | 16.00 b | 16.10 c | 13.48 c | 2.00 b | 1.50 c | 1.90 b | |||
Marss | 24.93 b | 38.12 a | 26.87 a | 0.77 b | 0.61 c | 0.50 d | 19.20 a | 31.00 a | 13.44 c | 2.00 b | 1.60 c | 1.20 c | ||||
Suduheenati | 23.61 b | 20.34 b | 28.27 a | 0.49 c | 0.81 a | 0.85 b | 11.57 c | 22.00 b | 24.03 a | 2.00 b | 1.20 d | 1.20 c | ||||
H10 | 24.01 b | 14.59 c | 16.66 c | 0.56 c | 0.59 c | 0.70 c | 13.45 c | 11.50 d | 11.66 d | 1.80 c | 1.70 c | 1.40 c | ||||
Rathel | 23.32 b | - | 25.32 a | 0.70 b | - | 0.46 d | 16.32 b | - | 11.65 d | 2.10 b | - | 1.00 d | ||||
Kaluheenati | 22.05 b | - | 25.11 a | 0.59 c | - | 0.83 b | 13.01 c | - | 20.84 a | 1.40 d | - | 1.30 c | ||||
Murungakayan | 21.03 b | 25.23 b | 28.07 a | 0.50 c | 0.51 d | 0.60 c | 10.52 c | 17.10 c | 16.84 b | 2.00 b | 2.00 b | 1.70 b | ||||
Kokuwellai | 20.05 b | - | 21.59 b | 0.51 c | - | 0.75 c | 10.23 c | - | 16.19 b | 1.70 c | - | 1.10 d | ||||
H7 | 18.44 b | 17.41 b | 18.25 b | 0.72 b | 0.85 a | 0.76 c | 13.28 c | 19.70 b | 13.87 c | 1.40 d | 1.20 d | 1.30 c | ||||
Sudubalawee | 18.43 b | 14.43 c | 21.87 b | 0.59 c | 0.43 d | 0.90 b | 10.87 c | 8.30 f | 19.68 a | 0.80 d | 2.30 a | 0.80 e | ||||
Bg 94-1 | 17.40 c | 15.51 c | 20.62 b | 0.79 b | 0.51 c | 0.65 c | 13.75 c | 10.40 e | 13.40 c | 2.00 b | 2.00 b | 1.30 c | ||||
Bg 403 | 17.49 c | 19.13 b | 27.08 a | 0.52 c | 0.50 c | 0.83 b | 9.09 d | 12.80 d | 22.48 a | 1.90 c | 2.00 b | 1.20 c | ||||
At 362 | 17.09 c | 20.31 b | 28.06 a | 0.70 b | 0.40 d | 0.54 d | 11.96 c | 10.80 e | 15.15 b | 1.00 d | 2.50 a | 1.00 d | ||||
Pokkali | 15.80 d | - | 19.62 b | 0.70 b | - | 0.76 c | 11.06 c | - | 14.91 b | 2.40 a | - | 1.10 d | ||||
Bg 358 | 15.20 d | 16.19 c | 22.53 b | 0.72 b | 0.48 d | 0.53 d | 10.94 c | 10.40 e | 11.94 d | 1.40 d | 2.10 b | 1.90 b | ||||
Bg 450 | 13.87 d | 20.93 b | 24.37 a | 0.64 b | 0.81 a | 0.75 c | 8.88 d | 12.60 d | 18.28 b | 1.30 d | 1.20 d | 2.00 a | ||||
Sudurusamba | 14.51 d | - | 20.28 b | 0.41 c | - | 0.88 b | 5.95 e | - | 17.85 b | 1.30 d | - | 1.00 d | ||||
Bg 379-2 | 14.72 d | 23.79 b | 20.65 b | 0.70 b | 0.68 c | 0.82 b | 10.30 c | 21.60 b | 16.93 b | 1.40 d | 1.50 c | 1.20 c | ||||
Hondarawala | 13.22 d | 15.57 c | 24.20 a | 0.52 c | 0.49 d | 0.56 d | 6.87 e | 10.20 e | 13.55 c | 1.70 c | 2.00 b | 1.20 c | ||||
Bg 352 | 12.38 d | 16.28 c | 16.13 c | 0.48 c | 0.79 a | 0.94 b | 5.94 e | 17.10 c | 15.16 b | 2.10 b | 1.30 d | 1.10 d | ||||
Bg 250 | 13.18 d | - | 14.62 c | 0.76 b | - | 1.03 b | 10.02 c | - | 15.06 b | 1.30 d | - | 1.50 c | ||||
Bw 364 | 13.14 d | - | 21.38 b | 0.52 c | - | 0.93 b | 6.83 e | - | 19.88 a | 1.60 c | - | 1.30 c | ||||
At 353 | 11.43 d | 15.19 c | 15.17 c | 0.49 c | 0.76 b | 0.63 c | 5.60 e | 15.40 c | 9.56 e | 1.40 d | 1.30 d | 1.90 b | ||||
Suwandel | 10.63 d | - | 15.71 c | 0.48 c | - | 0.98 b | 5.10 e | - | 15.40 b | 1.80 c | - | 1.00 d | ||||
Ld 356 | 11.34 d | - | 22.70 b | 0.56 c | - | 0.98 b | 6.35 e | - | 22.25 a | 1.40 d | - | 2.20 a | ||||
Rathuheenati | 11.29 d | - | 17.45 c | 0.51 c | - | 0.86 b | 5.76 e | - | 15.01 b | 1.90 c | - | 1.10 d | ||||
Bg 357 | 7.70 e | 14.51 c | 17.60 c | 1.09 a | 0.83 a | 0.95 b | 8.39 d | 15.40 c | 16.72 b | 0.90 d | 1.20 d | 1.10 d | ||||
At 306 | 8.72 e | 11.61 d | 12.07 d | 1.25 a | 0.74 b | 1.26 a | 10.90 c | 16.00 c | 15.21 b | 2.00 b | 1.40 c | 1.60 c | ||||
At 354 | 11.19 d | 14.76 c | 18.83 b | 0.81 b | 0.75 b | 0.98 b | 9.06 d | 11.50 d | 18.45 b | 1.20 d | 1.30 d | 1.00 d | ||||
Bg 300 | 11.63 d | 13.50 c | 14.20 c | 1.01 a | 0.64 c | 0.98 b | 11.75 c | 14.80 c | 13.92 c | 1.90 c | 1.60 c | 1.80 b |
Table 4 Shoot dry weight (SDW), shoot phosphorus concentration (SPC) and shoot phosphorus uptake (SPU), phosphorus utilization efficiency (PUE) of the tested rice genotypes under studied conditions.
Season | Genotype | SDW (g/pot) | SPC (mg/g) | SPU (mg/pot) | PUE (g/mg) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | P0 GH | P0 F | P30 GH | |||||
Yala | H4 | 29.80 a | 11.95 c | 33.93 a | 0.65 b | 0.68 a | 0.50 e | 15.70 a | 8.12 b | 21.80 a | 1.50 c | 1.50 c | 2.00 a | |||
Suduheenati | 18.15 c | 21.18 a | 19.50 c | 0.75 a | 0.45 c | 1.04 a | 10.10 d | 9.53 b | 22.90 a | 1.30 d | 2.20 b | 1.00 b | ||||
H10 | 14.20 d | 9.83 c | 17.55 c | 0.47 d | 0.60 b | 0.85 c | 8.10 e | 5.89 c | 19.80 b | 2.10 a | 1.70 c | 1.20 b | ||||
Murungakayan | 20.40 c | 11.20 c | 24.90 b | 0.53 c | 0.38 d | 0.88 c | 12.00 c | 4.25 d | 15.00 d | 1.90 b | 2.60 b | 1.10 b | ||||
H7 | 24.10 b | 11.88 c | 21.00 c | 0.64 b | 0.29 e | 0.59 d | 16.50 a | 3.44 d | 17.20 c | 1.60 b | 3.40 a | 1.70 a | ||||
Bg 403 | 24.90 b | 21.28 a | 27.20 b | 0.59 b | 0.55 b | 0.55 d | 16.20 a | 11.70 a | 17.10 c | 1.70 b | 1.80 c | 1.80 a | ||||
Bg 358 | 13.00 d | 16.08 b | 15.10 c | 0.69 b | 0.45 c | 0.79 c | 18.60 a | 7.23 b | 12.00 e | 1.40 c | 2.20 b | 1.30 b | ||||
Bg 379-2 | 26.50 b | 18.75 b | 28.20 b | 0.68 b | 0.52 b | 0.61 d | 13.70 b | 9.75 b | 17.90 c | 1.50 c | 1.90 c | 1.60 a | ||||
Bg 352 | 22.80 b | 15.40 b | 25.00 b | 0.55 c | 0.48 c | 0.91 b | 14.70 b | 7.39 b | 12.50 e | 1.80 b | 2.10 b | 1.10 b | ||||
Bg 357 | 10.40 d | 23.60 a | 12.50 d | 0.47 d | 0.29 e | 0.82 c | 7.80 e | 6.84 c | 19.30 b | 2.10 a | 3.40 a | 1.20 b | ||||
At 354 | 19.50 c | 23.00 a | 21.20 c | 0.52 c | 0.48 c | 0.85 c | 10.60 d | 11.04 a | 10.20 e | 1.90 b | 2.10 b | 1.20 b | ||||
Maha | H4 | 32.00 a | 18.56 b | 25.93 a | 0.50 c | 0.65 c | 0.52 d | 16.00 b | 16.10 c | 13.48 c | 2.00 b | 1.50 c | 1.90 b | |||
Marss | 24.93 b | 38.12 a | 26.87 a | 0.77 b | 0.61 c | 0.50 d | 19.20 a | 31.00 a | 13.44 c | 2.00 b | 1.60 c | 1.20 c | ||||
Suduheenati | 23.61 b | 20.34 b | 28.27 a | 0.49 c | 0.81 a | 0.85 b | 11.57 c | 22.00 b | 24.03 a | 2.00 b | 1.20 d | 1.20 c | ||||
H10 | 24.01 b | 14.59 c | 16.66 c | 0.56 c | 0.59 c | 0.70 c | 13.45 c | 11.50 d | 11.66 d | 1.80 c | 1.70 c | 1.40 c | ||||
Rathel | 23.32 b | - | 25.32 a | 0.70 b | - | 0.46 d | 16.32 b | - | 11.65 d | 2.10 b | - | 1.00 d | ||||
Kaluheenati | 22.05 b | - | 25.11 a | 0.59 c | - | 0.83 b | 13.01 c | - | 20.84 a | 1.40 d | - | 1.30 c | ||||
Murungakayan | 21.03 b | 25.23 b | 28.07 a | 0.50 c | 0.51 d | 0.60 c | 10.52 c | 17.10 c | 16.84 b | 2.00 b | 2.00 b | 1.70 b | ||||
Kokuwellai | 20.05 b | - | 21.59 b | 0.51 c | - | 0.75 c | 10.23 c | - | 16.19 b | 1.70 c | - | 1.10 d | ||||
H7 | 18.44 b | 17.41 b | 18.25 b | 0.72 b | 0.85 a | 0.76 c | 13.28 c | 19.70 b | 13.87 c | 1.40 d | 1.20 d | 1.30 c | ||||
Sudubalawee | 18.43 b | 14.43 c | 21.87 b | 0.59 c | 0.43 d | 0.90 b | 10.87 c | 8.30 f | 19.68 a | 0.80 d | 2.30 a | 0.80 e | ||||
Bg 94-1 | 17.40 c | 15.51 c | 20.62 b | 0.79 b | 0.51 c | 0.65 c | 13.75 c | 10.40 e | 13.40 c | 2.00 b | 2.00 b | 1.30 c | ||||
Bg 403 | 17.49 c | 19.13 b | 27.08 a | 0.52 c | 0.50 c | 0.83 b | 9.09 d | 12.80 d | 22.48 a | 1.90 c | 2.00 b | 1.20 c | ||||
At 362 | 17.09 c | 20.31 b | 28.06 a | 0.70 b | 0.40 d | 0.54 d | 11.96 c | 10.80 e | 15.15 b | 1.00 d | 2.50 a | 1.00 d | ||||
Pokkali | 15.80 d | - | 19.62 b | 0.70 b | - | 0.76 c | 11.06 c | - | 14.91 b | 2.40 a | - | 1.10 d | ||||
Bg 358 | 15.20 d | 16.19 c | 22.53 b | 0.72 b | 0.48 d | 0.53 d | 10.94 c | 10.40 e | 11.94 d | 1.40 d | 2.10 b | 1.90 b | ||||
Bg 450 | 13.87 d | 20.93 b | 24.37 a | 0.64 b | 0.81 a | 0.75 c | 8.88 d | 12.60 d | 18.28 b | 1.30 d | 1.20 d | 2.00 a | ||||
Sudurusamba | 14.51 d | - | 20.28 b | 0.41 c | - | 0.88 b | 5.95 e | - | 17.85 b | 1.30 d | - | 1.00 d | ||||
Bg 379-2 | 14.72 d | 23.79 b | 20.65 b | 0.70 b | 0.68 c | 0.82 b | 10.30 c | 21.60 b | 16.93 b | 1.40 d | 1.50 c | 1.20 c | ||||
Hondarawala | 13.22 d | 15.57 c | 24.20 a | 0.52 c | 0.49 d | 0.56 d | 6.87 e | 10.20 e | 13.55 c | 1.70 c | 2.00 b | 1.20 c | ||||
Bg 352 | 12.38 d | 16.28 c | 16.13 c | 0.48 c | 0.79 a | 0.94 b | 5.94 e | 17.10 c | 15.16 b | 2.10 b | 1.30 d | 1.10 d | ||||
Bg 250 | 13.18 d | - | 14.62 c | 0.76 b | - | 1.03 b | 10.02 c | - | 15.06 b | 1.30 d | - | 1.50 c | ||||
Bw 364 | 13.14 d | - | 21.38 b | 0.52 c | - | 0.93 b | 6.83 e | - | 19.88 a | 1.60 c | - | 1.30 c | ||||
At 353 | 11.43 d | 15.19 c | 15.17 c | 0.49 c | 0.76 b | 0.63 c | 5.60 e | 15.40 c | 9.56 e | 1.40 d | 1.30 d | 1.90 b | ||||
Suwandel | 10.63 d | - | 15.71 c | 0.48 c | - | 0.98 b | 5.10 e | - | 15.40 b | 1.80 c | - | 1.00 d | ||||
Ld 356 | 11.34 d | - | 22.70 b | 0.56 c | - | 0.98 b | 6.35 e | - | 22.25 a | 1.40 d | - | 2.20 a | ||||
Rathuheenati | 11.29 d | - | 17.45 c | 0.51 c | - | 0.86 b | 5.76 e | - | 15.01 b | 1.90 c | - | 1.10 d | ||||
Bg 357 | 7.70 e | 14.51 c | 17.60 c | 1.09 a | 0.83 a | 0.95 b | 8.39 d | 15.40 c | 16.72 b | 0.90 d | 1.20 d | 1.10 d | ||||
At 306 | 8.72 e | 11.61 d | 12.07 d | 1.25 a | 0.74 b | 1.26 a | 10.90 c | 16.00 c | 15.21 b | 2.00 b | 1.40 c | 1.60 c | ||||
At 354 | 11.19 d | 14.76 c | 18.83 b | 0.81 b | 0.75 b | 0.98 b | 9.06 d | 11.50 d | 18.45 b | 1.20 d | 1.30 d | 1.00 d | ||||
Bg 300 | 11.63 d | 13.50 c | 14.20 c | 1.01 a | 0.64 c | 0.98 b | 11.75 c | 14.80 c | 13.92 c | 1.90 c | 1.60 c | 1.80 b |
Fig. 1. Classification of 30 rice genotypes for shoot dry weight (SDW) and phosphorus utilization efficiency (PUE) under P0 (A) and P30 (B) soil conditions in Maha season, 2012.SDW, Shoot dry weight; PUE, Phosphorus utilization efficiency; 1, H4; 2, Marss; 3, Suduheenati; 4, H10; 5, Rathel; 6, Kaluheenati; 7, Murungakayan; 8, Kokuwellai; 9, H7; 10, Sudubalawee; 11, Bg 94-1; 12, Bg 403; 13, At 362; 14, Pokkali; 15, Bg 358; 16, Bg 450; 17, Sudurusamba; 18, Bg 379-2; 19, Hondarawala; 20, Bg 352; 21, Bg 250; 22, Bw 364; 23, At 353; 24, Suwandel; 25, Ld 356; 26, Rathuheenati; 27, Bg 357; 28, At 306; 29, At 354; 30, Bg 300.
Type | Variety |
---|---|
Tolerant | H4 a, Marss, Suduheenati, H10, Rathel, Kaluheenati, Murungakayan, Kokuwellai, H7, Sudubalawee, Bg 94-1, Bg 403, At 362 |
Moderately tolerant | Pokkali, Bg 358, Bg 450, Sudurusamba, Bg 379-2, Hondarawala, Bg 352, Bg 250, Bw 364, At 353, Suwandel, Ld 356, Rathuheenati |
Sensitive | Bg 357 b, At 306, At 354, Bg 300 |
Table 5 Proposed scoring scheme for phosphorus deficiency tolerance (PDT) screening of rice genotypes.
Type | Variety |
---|---|
Tolerant | H4 a, Marss, Suduheenati, H10, Rathel, Kaluheenati, Murungakayan, Kokuwellai, H7, Sudubalawee, Bg 94-1, Bg 403, At 362 |
Moderately tolerant | Pokkali, Bg 358, Bg 450, Sudurusamba, Bg 379-2, Hondarawala, Bg 352, Bg 250, Bw 364, At 353, Suwandel, Ld 356, Rathuheenati |
Sensitive | Bg 357 b, At 306, At 354, Bg 300 |
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