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红中的细菌斑点病原体的杆菌殖民化和管理由 Pseudomonas spp

Mohsen M Elsharkawy¹, Amr A Khedr¹, Farid Mehiar¹

¹Department of Agricultural Botany, Faculty of Agriculture, Kafrelsheikh University, Kafr Elsheikh 33516, Egypt.

|June 15, 2023

概括

这项研究揭示了植物生长促进根茎细菌 (PGPR) 如何殖民番茄根,并增强植物对Pseudomonas syringae pv的防御能力. 番茄 DC3000. 番茄 DC3000. 番茄 DC3000. 番茄 DC3000. 番茄 DC3000. 番茄 DC3000 番茄番茄番茄番茄番茄番茄特定的PGPR菌株通过根植殖和防御机制激活来促进植物生长和抗病能力.

科学领域:

植物与微生物的相互作用
植物病理学植物病理学
分子植物-微生物相互作用

背景情况:

伪omonas spp. 这种类型的. 对于提高作物生产和抗病能力至关重要.
了解树枝细菌的殖民机制是可持续农业的关键.
致病性伪虫针头 pv. 番茄 (Pst) 导致番茄作物的重大损失.

研究的目的:

研究植物生长促进根茎细菌 (PGPR) 在殖民西红根中的化学作用机制.
通过PGPR.评估番茄植物对病原体Pst的耐药性的激活.
确定有效增强番茄生长和疾病管理的特定PGPR菌株.

主要方法:

使用毛细管进行化学测试,以评估PGPR对根排泄物 (酸和酸) 的反应.
通过实时 qPCR 来量化防御酶活动 (多氧化酶,过氧化酶) 和与致病相关的 (PR) 基因表达 (PR1,PR2,LOX,PAL).
在PGPR接种后对番茄生长和产量特征的评估.

主要成果:

在63个树根细菌分离物中观察到对根液的化学反应的显著变化.
伪虫T15表现出最强的抗虫活性,并显著改善了番茄生长和产量.
PGPR治疗,特别是N42和T15分离物,提高了防御酶活性和调高了关键的PR基因,表明植物防御能力增强.

结论:

番茄根的菌殖民是通过化学反应对根排泄物进行调解的.
特定的PGPR菌株,如P. putida T15,通过激活植物防御通路 (酸和莉酸) 来有效地控制Pst.
这些发现为改善番茄病耐药性和通过有益的树枝细菌提高作物产量的机制提供了洞察力.

关键词:

伪蒙的注射器化学毒素活动活动.与病变发生相关的基因.根系细菌 (Rhizobacteria) 是一种细菌.系统阻力是系统的阻力.在这里,我们可以看到茄,番茄,番茄.

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