Effects of Plant Growth Regulator on Seedling Growth Under Drought Stress in Soybean

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Effects of Plant Growth Regulator on Seedling Growth Under Drought Stress in Soybean

更新时间：2024-11-07

- Effects of Plant Growth Regulator on Seedling Growth Under Drought Stress in Soybean
- Vol. 19, Issue 4, Pages: 190-192(2005)
- 作者机构：
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  CLC： S143.8S565.1
- Published：2005
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Effects of Plant Growth Regulator on Seedling Growth Under Drought Stress in Soybean[J]. 2005, 19(4): 190-192.
DOI：

Effects of Plant Growth Regulator on Seedling Growth Under Drought Stress in Soybean[J]. 2005, 19(4): 190-192. DOI：

摘要

采用盆栽试验

研究了在模拟干旱胁迫下喷施植物生长调节剂对大豆幼苗生长发育和生理生化指标的影响。结果表明

植物生长调节剂可促进大豆幼苗茎叶生长和主根伸长

增加侧根数

加大根冠比

提高叶绿素含量、脯氨酸含量和过氧化物酶(POD)活性

从而增强了植株的抗旱能力。喷施宝、云大120、地中宝、福施壮4种植物生长调节剂对不同大豆品种幼苗生长的影响基本一致

以喷施宝的效果最好

其次为云大120。

Abstract

The effects of spraying plant growth regulator under drought stress on seedling growth and physiological and biochemical indexes of soybean were studied based on pot experiment. The results indicated that the plant growth regulator could increase plant height

main root length

lateral root number

root/shoot ratio

chlorophyll content

proline content and the activity of peroxydase(POD)

and improve the ability of drought-resistance of soybean seedlings. Among the 4 plant growth regulators used in this experiment

PSB was the best effective for the drought-resistance of soybean seedlings.

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