Breeding and application of Xunong 5，a new maize variety with high yield and multiple resistance

doi:10.16178/j.issn.0528-9017.20240363

Abstract

Abstract:

Xunong 5 is a new conventional maize variety developed by the Xuzhou Institute of Agricultural Sciences in the Jiangsu Xuhuai District，using RT212 as the female parent and HL210 as the male parent. It is suitable for cultivation in the Huang-Huai-Hai summer maize region. This variety exhibits high yield potential，strong comprehensive stress resistance，and wide adaptability. This paper describes the breeding process，characteristics，yield performance，comprehensive resistance，and cultivation techniques of Xunong 5，providing technical references for its extension and application.

Key words: high yield and multi-resistance, maize, Xunong 5, variety breeding, yield

CLC Number:

S513

HUANG Zhongqin, LI Xiaoshan, SU Zaixing. Breeding and application of Xunong 5，a new maize variety with high yield and multiple resistance[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(3): 562-565.

Figures/Tables 2

References 11

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年份	鉴定机构	小斑病		弯孢叶斑病		镰孢茎腐病		禾谷镰孢穗腐病		瘤黑粉病		南方锈病
年份	鉴定机构	病级	抗性	病级	抗性	发病率/%	抗性	病级	抗性	发病率/%	抗性	病级	抗性
2021	北京	5	MR	7	S	19.4	MR	1.5	HR	63.3	HS	3	R
2021	河北	1	HR	7	S	0.0	HR	3.9	MR	73.1	HS	3	R
2022	北京	3	R	3	R	6.1	R	3.6	MR	50.0	HS	5	MR
2022	河北	1	HR	5	MR	13.5	MR	3.1	R	76.0	HS	5	MR
综合		5	MR	7	S	19.4	MR	3.9	MR	76.0	HS	5	MR

年份	鉴定机构	小斑病		弯孢叶斑病		镰孢茎腐病		禾谷镰孢穗腐病		瘤黑粉病		南方锈病
年份	鉴定机构	病级	抗性	病级	抗性	发病率/%	抗性	病级	抗性	发病率/%	抗性	病级	抗性
2021	北京	5	MR	7	S	19.4	MR	1.5	HR	63.3	HS	3	R
2021	河北	1	HR	7	S	0.0	HR	3.9	MR	73.1	HS	3	R
2022	北京	3	R	3	R	6.1	R	3.6	MR	50.0	HS	5	MR
2022	河北	1	HR	5	MR	13.5	MR	3.1	R	76.0	HS	5	MR
综合		5	MR	7	S	19.4	MR	3.9	MR	76.0	HS	5	MR

年份	试验类别	郑单958产量/（kg·hm^-2）	徐农5号
年份	试验类别	郑单958产量/（kg·hm^-2）	产量/（kg·hm^-2）	增产点率/%	产量位次
2021	区域试验	8 001.0	8 820.0	89.5	2
2022	区域试验	8 848.2	9 157.5	75.0	9
2022	生产试验	8 910.1	9 202.5	72.5	5

年份	试验类别	郑单958产量/（kg·hm^-2）	徐农5号
年份	试验类别	郑单958产量/（kg·hm^-2）	产量/（kg·hm^-2）	增产点率/%	产量位次
2021	区域试验	8 001.0	8 820.0	89.5	2
2022	区域试验	8 848.2	9 157.5	75.0	9
2022	生产试验	8 910.1	9 202.5	72.5	5

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