华北农学报 ›› 1999, Vol. 14 ›› Issue (3): 91-95. doi: 10.3321/j.issn:1000-7091.1999.03.019

所属专题: 小麦

• 论文 • 上一篇    下一篇

深耘断根对旱地高产小麦花后根系干重及产量的影响

石岩1, 位东斌1, 于振文2, 余松烈2   

  1. 1. 山东莱阳农学院旱作研究所, 莱阳 265200;
    2. 山东农业大学农学系, 泰安 271018
  • 出版日期:1999-09-28

Effects of Deep Cultivation root Cutting on Dry Weight of Root System After Anthesis and Yield in Dry Land Wheat of High Yield

Shi Yan1, Wei Dongbin1   

  1. 1. Institute of Dry Land Crops, Laiyang Agricultural College, Laiyang 265200;
    2. Department of Agronomy, Shandong Agricultural University, Taian
  • Published:1999-09-28

摘要: 在旱地大田条件下研究了深耘断根对旱地高产小麦花后根系干重及产量的影响。结果表明,4个处理中以冬前深耘断根最好,起身期深耘断根与对照(不断根)次之,冬前和起身期都深耘断根效果最差.冬前深耘断根可增加中、下层根系的重量和比率,降低根系生长冗余性,控制最高总茎数,提高成穗数及成穗率,使子粒产量中来自花后光合器官输送的比例增加,从而使产量提高,因而在旱地高产麦田应推广冬前深耘断根。

关键词: 小麦, 旱地, 深耘断根, 根系干重, 产量

Abstract: Effects of Deep Cultivation root Cutting on Dry Weight of Root System After Anthesis and Yield in Dry Land Wheat of High Yield.

Key words: Wheat, High yield in dry land, Deep Cultivation root cutting, Dry weight of root system, Yield

引用本文

石岩, 位东斌, 于振文, 余松烈. 深耘断根对旱地高产小麦花后根系干重及产量的影响[J]. 华北农学报, 1999, 14(3): 91-95. doi: 10.3321/j.issn:1000-7091.1999.03.019.

Shi Yan, Wei Dongbin. Effects of Deep Cultivation root Cutting on Dry Weight of Root System After Anthesis and Yield in Dry Land Wheat of High Yield[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1999, 14(3): 91-95. doi: 10.3321/j.issn:1000-7091.1999.03.019.

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