›› 2004, Vol. 6 ›› Issue (4): 46-50.

Online:2004-08-15 Published:2009-11-03

河南省小麦超高产品种产量形成特点及关键栽培技术研究

郭天财[1] 朱云集[1] 王晨阳[1] 崔金梅[1] 康国章[2]

[1]河南农业大学|郑州450002 [2]国家小麦工程技术研究中心|郑州450002

作者简介:郭天财|男|1 953年生|教授、博士生导师|主要从事小麦高产栽培生理研究。
基金资助:
国家“十五”重中科技专项《粮食丰产科技工程))(2004BA502A-06)部分研究内容

Abstract

摘要：

在大田高产栽培条件下，对2种穗型冬小麦品种的群体动态、穗花发育、子粒灌浆和产量构成特点进行了系统研究，并在此基础上提出了2种穗型冬小麦品种实现超高产产量指标栽培管理的关键技术，即对于分蘖成穗率高、穗粒重较低的多穗型品种，应在保持适宜群体头数的基础上，采取拔节期追氮等措施能有效减少小花、子房退化，增加粒数和粒重，提高产量；针对大穗型品种分蘖成穗率低、穗粒重较高的特点，充分发挥其分化小穗、小花数多，穗粒重高的优势，并通过适当加大播量和适期肥水管理，促进分蘖成穗，增加有效穗数，是提高该类品种产量的关键。

关键词: 河南小麦产量形成栽培技术

CLC Number:

S512.1

郭天财[1] 朱云集[1] 王晨阳[1] 崔金梅[1] 康国章[2]. 河南省小麦超高产品种产量形成特点及关键栽培技术研究[J]. , 2004, 6(4): 46-50.

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河南省小麦超高产品种产量形成特点及关键栽培技术研究

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