Rational Design of Grain Size to Improve Rice Yield and Quality

doi:10.1016/j.rsci.2022.04.003

Rice Science ›› 2023, Vol. 30 ›› Issue (1): 1-5.DOI: 10.1016/j.rsci.2022.04.003

Rational Design of Grain Size to Improve Rice Yield and Quality

Tao Yajun¹^,², Wang Jun¹^,², Xu Yang¹^,², Wang Fangquan¹^,², Li Wenqi¹^,², Jiang Yanjie¹^,², Chen Zhihui¹^,², Fan Fangjun¹^,², Zhu Jianping¹^,², Li Xia¹^,², Yang Jie¹^,²()

¹Institute of Food Crops, Jiangsu Academy of Agricultural Sciences / Nanjing Branch of Chinese National Center for Rice Improvement, Nanjing 210014, China
²Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225009, China

Received:2022-02-24 Accepted:2022-04-13 Online:2023-01-28 Published:2022-11-11
Contact: Yang Jie
About author:First author contact:
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Peer review under responsibility of China National Rice Research Institute

1. supplemental data for article 1.pdf(544KB)

Abstract

Tao Yajun, Wang Jun, Xu Yang, Wang Fangquan, Li Wenqi, Jiang Yanjie, Chen Zhihui, Fan Fangjun, Zhu Jianping, Li Xia, Yang Jie. Rational Design of Grain Size to Improve Rice Yield and Quality[J]. Rice Science, 2023, 30(1): 1-5.

Figures/Tables 2

Fig. 1. Effects of mutant GS9, qGL3 and TGW6 on grain shape and quality. A, Plant morphologies of JXY1 and mutants JXY1#1?JXY1#8. Scale bars, 10 cm. B, Grain shapes of JXY1 and mutants JXY1#1?JXY1#8. The gray square indicates the homozygous Nipponbare genotype, the blue square indicates the homozygous long-grain genotype, and the green square indicates the heterozygous long-grain genotype. Scale bars, 1 cm. C, Rapid Visco Analyzer spectra of JXY1 and mutants JXY1#1?JXY1#8. D?F, Comparisons of grain length (D), grain width (E) and grain length to width ratio (F) in JXY1 and mutants JXY1#1?JXY1#8. Data are Mean ± SD (n = 7). Different lowercase letters above the bars denote significant differences (P < 0.05).

Fig. 2. Effects of mutant GS9 and TGW6 on grain shape and quality in NJ0378. A, Plant morphologies of NJ0378 and mutants NJ0378#1?NJ0378#3. Scale bars, 10 cm. B and C, Grain yield per plant (B) and white rice appearance (C) of NJ0378 and mutants NJ0378#1?NJ0378#3. Scale bars, 2 cm. D, Scanning electron micrographs of endosperms of mature seeds. Scale bars, 10 μm. E, Grain lengths and widths of NJ0378 and mutants NJ0378#1?NJ0378#3. Scale bars, 1 cm. F?I, Comparisons of 1000-grain weight (F), grain yield per plant (G), chalkiness rate (H) and chalkiness degree (I) in NJ0378 and mutants NJ0378#1?NJ0378#3. Data are Mean ± SD (in F and G, n = 7; and in H and I, n = 3). Different lowercase letters above the bars denote significant differences (P < 0.05). J, Rapid Visco Analyzer spectra of NJ0378 and mutants NJ0378#1?NJ0378#3.

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Rational Design of Grain Size to Improve Rice Yield and Quality

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