Analysis on high yield, stable yield and adaptability of national authorized wheat Hemai 22

doi:10.16178/j.issn.0528-9017.20240008

Abstract

Abstract:

To identify the yield characteristics of Hemai 22, this study used the data of regional test and production test of water area group in the north of Huang-huai winter wheat area from 2015 to 2018, and the high yield, stability and wide adaptability of Hemai 22 were systematically analyzed and comprehensively evaluated by variance analysis, coefficient of variation, high stability coefficient, rate of yield-increasing point and degree of adaption. The results showed that in 2015 to 2016, the yield of Hemai 22 was slightly lower than that of the control variety Jimai 22, and the yield reduction was not significant. In 2016 to 2018, the yield of Hemai 22 was significantly higher than that of the control variety Jimai 22, showing better production performance. In 2015 to 2018,the yield coefficient of variation and high temperature coefficient of Hemai 22 were in the forefront of the tested varieties, and had good stability and high yield. The average fitness of Hemai 22 in 3 years was equivalent to that of Liangxing 99 and Jimai 22. Except for the low yield point rate of Hemai 22 in 2015 to 2016, the yield increase point rates in 2016 to 2018 reached 89.5% and 91.7%, respectively, indicating that it had good adaptability in multiple environments. The comprehensive analysis showed that Hemai 22 had high yield, stable yield, wide adaptability, multi-resistance, high quality and other excellent traits, and had high promotion and utilization potential in the northern ecological area of Huang-huai winter wheat region.

Key words: wheat, Hemai 22, high yield, stable yield, adaptability

CLC Number:

S512.1

REN Zichao, WANG Chong, GOU Fengzhi, LIN Kun, LI Sitong, LIU Zhongyang, TIAN Shunshun, GUO Lingyun. Analysis on high yield, stable yield and adaptability of national authorized wheat Hemai 22[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(4): 874-879.

Figures/Tables 10

References 14

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试验年度	条锈病		叶锈病		白粉病		赤霉病		纹枯病
试验年度	病情指数/%	抗病性	病情指数/%	抗病性	病情级别	抗病性	病情级别	抗病性	病情指数/%	抗病性
2015—2016	80.0	MS	40	HS	6	MS	3.37	HS	29.29	MR
2016—2017	28.5	HS	40	HS	5	MS	3.40	MS	37.50	MS

试验年度	条锈病		叶锈病		白粉病		赤霉病		纹枯病
试验年度	病情指数/%	抗病性	病情指数/%	抗病性	病情级别	抗病性	病情级别	抗病性	病情指数/%	抗病性
2015—2016	80.0	MS	40	HS	6	MS	3.37	HS	29.29	MR
2016—2017	28.5	HS	40	HS	5	MS	3.40	MS	37.50	MS

试验年度	容重/ (g·L^-1)	粗蛋白质含量/ %	湿面筋含量/ %	吸水率/ %	稳定时间/ min	拉伸面积/ cm²	最大拉伸阻力/ EU
中强筋标准	≥770	≥13.00	≥28.5	≥58.0	≥7.0	≥80	≥350
2015—2016	814	14.62	29.8	—	7.5	—	—
2016—2017	812	14.76	29.3	59.9	35.2	110	712

试验年度	容重/ (g·L^-1)	粗蛋白质含量/ %	湿面筋含量/ %	吸水率/ %	稳定时间/ min	拉伸面积/ cm²	最大拉伸阻力/ EU
中强筋标准	≥770	≥13.00	≥28.5	≥58.0	≥7.0	≥80	≥350
2015—2016	814	14.62	29.8	—	7.5	—	—
2016—2017	812	14.76	29.3	59.9	35.2	110	712

试验年度	越冬死茎率/%	抗寒级别	评价
2015—2016	4.0	1	好
2016—2017	1.0	1	好
2017—2018	10.1	2	较好