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评估丰富生物炭和GA3对改善干旱压力下的小麦生长的有效性

Ghulam Sarwar¹, Tauseef Anwar², Mehvish Malik¹

¹Department of Botany, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.

BMC plant biology

|December 4, 2023

概括

富含的生物炭与吉伯酸 (GA3) 结合,在透应激下显著促进了小麦的生长. 这种组合改善了发芽,根和芽的发育,以及叶绿素含量,为作物生产提供了有前途的解决方案.

科学领域:

农业科学农业科学
植物生理学植物生理学
土壤科学土壤科学

背景情况:

透应激对作物生长,发展和生产率产生负面影响,特别是在依赖水的农业系统中.
生物炭和植物生长调节剂等有机补充剂可以减轻压力,但最佳的应用时间和组合需要进一步调查.
富含的生物炭 (KBC) 和酸 (GA3) 正在探索它们在提高作物弹性方面的潜力.

研究的目的:

为了评估丰富生物炭 (KBC) 含有或不含吉伯酸 (GA3) 在减轻小麦中透应激的有效性.
确定最佳的修改策略,以在正常和透应激条件下改善小麦生长属性.
评估小麦在透应激下对KBC和GA3治疗的生理反应.

主要方法:

在受控的透应激条件下,小麦被用富含的生物炭 (KBC,0.75%) 和酸 (GA3,15 mg/L) 处理.
测量了生长参数,包括发芽,芽和根的长度,以及新鲜/干燥的重量.
分析了诸如叶绿素含量和电解质泄漏等生理指标.

主要成果:

在透应激下,GA3+KBC的组合显著增强了小麦发芽 (9.44%),芽长 (29.30%),根长 (21.85%),芽生新鲜重量 (13.56%),芽生干重量 (68.38%),根生新鲜重量 (32.68%) 和根干重量 (28.79%).
治疗GA3+KBC导致甲甲,甲乙和总含量显著增加.
用GA3+KBC治疗的小麦减少了电解质泄漏,这表明在透应激下细胞膜稳定性得到改善.

结论:

在正常和透应激条件下,GA3 + KBC是增强小麦生长属性的最有效治疗方法.
对GA3和KBC的联合应用显示出在减轻透应激对小麦的不良影响方面具有显著的潜力.
建议对各种谷物作物进行进一步的实地研究,以确定GA3 + KBC作为透应激管理的最佳治疗方法.

关键词:

活性炭是一种活性炭.叶绿素含量叶绿素含量吉伯雷利酸是指的酸.增长属性是指增长的属性.透应激压力透应激压力小麦小麦小麦的小麦.

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