Breeding of new indica-japonica hybrid rice combination Zhejingjiayou 710 with high yield and good quality

doi:10.16178/j.issnv0528-9017.20240921

Abstract

Abstract:

Zhejingjiayou 710, derived from japonica-type CMS line Zhejing 7A and indica-type restorer line DR610, is a new indica-japonica hybrid rice combination co-developed by Jiaxing Academy of Agricultural Sciences, Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences and Zhejiang Wuwangnong Seed Industry Co., Ltd. With the characteristics of high yield, wide adaptability and good grain quality, it was registered and released by the National Crop Variety Approval Committee in 2022. The breeding process, characteristics and key technical points in cultivation and hybrid seed production of Zhejingjiayou 710 were introduced in this study.

Key words: indica-japonica hybrid rice, Zhejingjiayou 710, high yield, good quality, breeding

CLC Number:

S511
S334

Cite this article

ZHANG Xinyue, YE Shenghai, DONG Junjie, FU Haowei, LI Youfa. Breeding of new indica-japonica hybrid rice combination Zhejingjiayou 710 with high yield and good quality[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(4): 830-833.

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URL: http://www.zjnykx.cn/EN/10.16178/j.issnv0528-9017.20240921

http://www.zjnykx.cn/EN/Y2025/V66/I4/830

Figures/Tables 4

Table 1 Yield, growth period and main agronomic and economic characteristics of Zhejingjiayou 710 in regional test

年份	品种	产量/ (t·hm^-2)	产量差异显著性		全生育期/ d	有效穗/ (万·hm^-2)	株高/ cm	穗长/ cm	每穗总粒数	每穗实粒数	结实率/ %	千粒重/ g
年份	品种	产量/ (t·hm^-2)	0.05	0.01	全生育期/ d	有效穗/ (万·hm^-2)	株高/ cm	穗长/ cm	每穗总粒数	每穗实粒数	结实率/ %	千粒重/ g
2020	嘉优5号(CK)	9.42	b	B	154.0	228.0	112.4	20.4	191.4	161.2	84.2	29.0
2020	浙粳嘉优710	10.74	a	A	154.0	213.0	118.6	22.4	306.3	246.0	80.3	23.2
2021	嘉优5号(CK)	9.44	b	B	152.0	252.0	112.6	19.7	180.7	159.4	88.2	29.6
2021	浙粳嘉优710	9.90	a	A	152.3	241.5	122.5	21.2	256.2	209.2	81.6	23.8
平均	嘉优5号(CK)	9.43			153.0	240.0	112.5	20.1	186.0	160.3	86.2	29.3
平均	浙粳嘉优710	10.32			153.2	226.5	120.6	21.8	281.3	227.6	80.9	23.5

Table 1 Yield, growth period and main agronomic and economic characteristics of Zhejingjiayou 710 in regional test

年份	品种	产量/ (t·hm^-2)	产量差异显著性		全生育期/ d	有效穗/ (万·hm^-2)	株高/ cm	穗长/ cm	每穗总粒数	每穗实粒数	结实率/ %	千粒重/ g
年份	品种	产量/ (t·hm^-2)	0.05	0.01	全生育期/ d	有效穗/ (万·hm^-2)	株高/ cm	穗长/ cm	每穗总粒数	每穗实粒数	结实率/ %	千粒重/ g
2020	嘉优5号(CK)	9.42	b	B	154.0	228.0	112.4	20.4	191.4	161.2	84.2	29.0
2020	浙粳嘉优710	10.74	a	A	154.0	213.0	118.6	22.4	306.3	246.0	80.3	23.2
2021	嘉优5号(CK)	9.44	b	B	152.0	252.0	112.6	19.7	180.7	159.4	88.2	29.6
2021	浙粳嘉优710	9.90	a	A	152.3	241.5	122.5	21.2	256.2	209.2	81.6	23.8
平均	嘉优5号(CK)	9.43			153.0	240.0	112.5	20.1	186.0	160.3	86.2	29.3
平均	浙粳嘉优710	10.32			153.2	226.5	120.6	21.8	281.3	227.6	80.9	23.5

Table 2 Yield, growth period, and main agronomic and economic characteristics of Zhejingjiayou 710 in field test

品种	全生育期/d	产量/ (t·hm^-2)	各生产试验评价等级
品种	全生育期/d	产量/ (t·hm^-2)	江苏家和种业科技有限公司	安庆市彩禾农业发展有限公司	黄冈市农业科学院	临安区良儿家庭农场	浙江勿忘农种业股份有限公司
嘉优5号(CK)	152.8	9.08	B	B	B	B	B
浙粳嘉优710	151.2	9.83	A	A	B	A	B

Table 2 Yield, growth period, and main agronomic and economic characteristics of Zhejingjiayou 710 in field test

品种	全生育期/d	产量/ (t·hm^-2)	各生产试验评价等级
品种	全生育期/d	产量/ (t·hm^-2)	江苏家和种业科技有限公司	安庆市彩禾农业发展有限公司	黄冈市农业科学院	临安区良儿家庭农场	浙江勿忘农种业股份有限公司
嘉优5号(CK)	152.8	9.08	B	B	B	B	B
浙粳嘉优710	151.2	9.83	A	A	B	A	B

Table 3 Grain quality of Zhejingjiayou 710

品种	糙米率/ %	精米率/ %	整精米率/ %	粒长/ mm	长宽比	垩白粒率/ %	垩白度/ %	透明度/ 级	碱消值/ 级	胶稠度/ mm	直链淀粉/ %	部标等级
嘉优5号(CK)	83.1	73.5	63.1	5.3	1.8	22	2.2	1.0	6.9	80	17.0	三等
浙粳嘉优710	81.8	72.6	66.1	5.6	2.1	12	1.7	2.0	6.4	74	16.3	三等

Table 3 Grain quality of Zhejingjiayou 710

品种	糙米率/ %	精米率/ %	整精米率/ %	粒长/ mm	长宽比	垩白粒率/ %	垩白度/ %	透明度/ 级	碱消值/ 级	胶稠度/ mm	直链淀粉/ %	部标等级
嘉优5号(CK)	83.1	73.5	63.1	5.3	1.8	22	2.2	1.0	6.9	80	17.0	三等
浙粳嘉优710	81.8	72.6	66.1	5.6	2.1	12	1.7	2.0	6.4	74	16.3	三等

Table 4 Comprehensive evaluation of resistance to major pests and diseases of Zhejingjiayou 710

年份	品种	稻瘟病/级				年穗瘟损失率最高/级	白叶枯病/ 级	条纹叶枯病/ 级	褐飞虱/ 级
年份	品种	浙江	安徽	湖北	平均	年穗瘟损失率最高/级	白叶枯病/ 级	条纹叶枯病/ 级	褐飞虱/ 级
2020	嘉优5号(CWK)	3.2	4.5	4.0	3.9	3	5	5	9
2020	浙粳嘉优710	3.0	4.2	1.5	2.9	3	5	3	9
2021	嘉优5号(CK)	5.3	4.5	3.5	4.4	5	5	3	9
2021	浙粳嘉优710	5.3	5.5	1.0	3.9	5	3	5	9
综合评价	嘉优5号(CK)	4.2	5.0	5.0	5.0	9
综合评价	浙粳嘉优710	3.4	5.0	5.0	5.0	9

Table 4 Comprehensive evaluation of resistance to major pests and diseases of Zhejingjiayou 710

年份	品种	稻瘟病/级				年穗瘟损失率最高/级	白叶枯病/ 级	条纹叶枯病/ 级	褐飞虱/ 级
年份	品种	浙江	安徽	湖北	平均	年穗瘟损失率最高/级	白叶枯病/ 级	条纹叶枯病/ 级	褐飞虱/ 级
2020	嘉优5号(CWK)	3.2	4.5	4.0	3.9	3	5	5	9
2020	浙粳嘉优710	3.0	4.2	1.5	2.9	3	5	3	9
2021	嘉优5号(CK)	5.3	4.5	3.5	4.4	5	5	3	9
2021	浙粳嘉优710	5.3	5.5	1.0	3.9	5	3	5	9
综合评价	嘉优5号(CK)	4.2	5.0	5.0	5.0	9
综合评价	浙粳嘉优710	3.4	5.0	5.0	5.0	9

References 6

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