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在Trichoderma spp.的局部分离物的有效性. 在给大米,Oryza sativa赋予干旱耐受性

Mohammad Haniph Shah¹, Mujeebur Rahman Khan²

¹Department of Plant Protection, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, 202002, UP, India.

Scientific reports

|July 31, 2024

概括

干旱严重影响了大米产量. 通过土壤应用应用Trichoderma harzianum AMUTHZ82显著增强水限条件下大米生长,生物质和光合作用,为干旱耐受性提供可持续的解决方案.

科学领域:

农业科学农业科学
植物病理学植物病理学
微生物学微生物学

背景情况:

由于干旱,大米 (Oryza sativa) 种植面临着显著的产量减少,这是一个主要的非生物压力.
水资源短缺是一个日益关注的问题,影响全球粮食安全和米生产.

研究的目的:

为了研究各种Trichoderma spp.的疗效. 在给大米赋予干旱耐受性的过程中.
确定最佳的应用方法 (土壤或种子处理) 和菌株,以提高水压下大米的弹性.

主要方法:

十一个本地Trichoderma spp. 这些菌株在米CV上进行了测试. 斯瓦纳纳子-1.0 版
应用方法包括土壤应用 (2g/kg土壤) 和种子处理 (20g/kg种子).
植物受到了不同的水供应:100%,75%,50%和25%的推灌量.

主要成果:

在最佳灌下,Trichoderma harzianum AMUTHZ84和T. viride AMUTVR73显示出显著的生长促进作用.
在75%的水量下,T. harzianum AMUTHZ82 (土壤应用) 在增强芽和根长度方面最有效.
在25-75%的水压下,T. harzianum AMUTHZ82持续改善了植物生长,生物质,叶色素和光合作用,土壤应用更有效.

结论:

三皮菌,特别是T. harzianum AMUTHZ82,可以有效地提高大米的干旱耐受性.
在水压下改善水生长方面,Trichoderma分离物的土壤应用通常比种子处理更有益.
这项研究强调了一种有希望的基于生物的战略,用于减轻大米种植的干旱影响.

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