Analysis on Grain Filling Characteristics of High-yielding Wheat in Huaibei Area

doi:10.7668/hbnxb.2010.S2.019

Abstract

Abstract: "Select 7 to its high yielding varieties of wheat in Huaibei area,the grain-filling processes were studied.The results showed that the process of grain filling was "S"curve.Wheat grain filling stage can be divided into gradual increase stage,the rapid increase stage,and slow increase period.The logistic equation was at significant level(R0.980 1).Correlation analysis showed grain-weight were decided by rapid increase stage and grain filling rate at slow increase stage and were positive with the entire grain-filling period and average grain-filling rate.In rapid increase stage and slow increase stage,faster grain-filling rate,longer duration,more dry-matter accumulation quantity and higher grain weight. "

Key words: H igh-yielding wheat, Grain filling characteristics, Grain weight

CLC Number:

S512.1

ZHANG Yao-lan, CAO Cheng-fu, DU Shi-zhou, ZHAO Zhu, QIAO Yu-qiang, LIU Yong-hua, ZHANG Si-hua. Analysis on Grain Filling Characteristics of High-yielding Wheat in Huaibei Area[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(S2): 84-87. doi: 10.7668/hbnxb.2010.S2.019.

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