Improving growth and yield of sunflower (Helianthus annuus L.) by foliar application of potassium hydroxide (KOH) under salt stress

被引：0
|
作者：
Akram, Muhammad Saeed [1 ]
Athar, Habib-Ur-Rehman
Ashraf, Muhammad
机构：
[1] Univ Agr Faisalabad, Dept Bot, Faisalabad, Pakistan
[2] Bahauddin Zakariya Univ, Inst Pure & Appl Biol, Multan, Pakistan
来源：
PAKISTAN JOURNAL OF BOTANY | 2007年 / 39卷 / 03期
关键词：
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
An experiment was conducted to assess whether KOH applied as a foliar spray could mitigate the adverse effects of salt stress on plant growth and yield of sunflower plants. For this purpose, KOH @ 0, 0.5, 1.0, 1.5 and 2.0% was applied as a foliar spray to salt stressed and non-stressed sunflower plants. Foliar spray of KOH increased the growth and yield under non-stress and salt stressed conditions. Increasing levels of KOH increased leaf K+. Although foliarly applied KOH had growth promoting effects, it did not change nutrient status except leaf K. Thus, foliar application of K as KOH improved growth and yield of sunflower plants by improving K+/Na+ ratio.
引用
收藏
页码：769 / 776
页数：8
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