Yield Analysis of Wheat Varieties Released from Regional Trial in Hubei Province from 2001 to 2016

doi:10.14088/j.cnki.issn0439-8114.2018.24.012

Abstract

Abstract: Based on wheat （Triticum aestivum L.） regional trial in Hubei from 2001 to 2016, the yield-increasing rate, performance and changing trend of yield and main agronomic traits, and correlation among traits of wheat varieties released had been analyzed in the text. The results showed that, the yield-increasing rates of 27 wheat varieties released were from -2.02% to 9.16%, and the average value of traits such as yield, kernals per spike, plant height and days to maturity were higher, and the average value of effective spikes and 1000-grain weight were lower than that of Zhengmai9023. Comparing with Zhengmai9023, yield, effective spikes and days to maturity were increasing progressively,and kernals per spike,1000-grain weight and plant height were descending. Effective spikes （0.65） and 1000-kernel weight （0.64） were positively related with yield at 0.01 level. Effective spikes was negatively related with kernals per spike（-0.54） at 0.01 level. Keeping on raising effective spikes, intensifying selecting large-grain, solving the contraction of effective spikes and kernals per spike would be major directions of wheat breeding on yield at present in Hubei province.

Key words: Wheat（Triticum aestivum L.）, Zhengmai9023, regional test, yield, agronomic traits, correlation analysis, Hubei province

CLC Number:

S512.1

TONG Han-wen, PENG Min, LIU Yi-ke, ZHU Zhan-wang, CHEN Ling, ZOU Juan, ZHANG Yu-qing, GAO Chun-bao. Yield Analysis of Wheat Varieties Released from Regional Trial in Hubei Province from 2001 to 2016[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(24): 46-50.

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