丁香假单胞菌诱导抗性研究。喷洒无细胞微藻上清液对黄瓜生长的影响。

IF 2.5 3区 农林科学 Q2 PLANT SCIENCES
Sang-Moo Lee, Jin-Soo Son, Bongsoo Lee, Yong-Keun Chang, Chang-Ki Shim, Choong-Min Ryu
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引用次数: 0

摘要

小球藻是一种水生光合微藻属,用于膳食补充剂、化妆品和生物燃料的生产,最近也被用作农业补充剂的生物防治剂或生物肥料。小球藻上清可诱导拟南芥产生抗性,但其对作物的影响尚不清楚。研究了施用小球藻上清液对黄瓜(Cucumis sativus L.)诱导抗性的影响。对6株微藻进行叶面施用,结果表明高产油菌株HS2和ABC001的上清液对丁香假单胞菌产生诱导抗性。引起黄瓜角斑病。此外,在小球藻上清液中喷洒d -乳酸(一种已知的诱导抗性的决定因素)可以降低丁香假单胞菌(P. syringae pv)引起的疾病严重程度。通过激活水杨酸和茉莉酸信号通路在黄瓜叶片中产生泪腺。因此,小球藻上清液的应用保护农作物免受病害,同时提供了一种具有成本效益的回收废弃上清液的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Induced Resistance against Pseudomonas syringae pv. lachrymans in Cucumber by Spraying Cell-Free Microalgae Supernatant.

Induced Resistance against Pseudomonas syringae pv. lachrymans in Cucumber by Spraying Cell-Free Microalgae Supernatant.

Induced Resistance against Pseudomonas syringae pv. lachrymans in Cucumber by Spraying Cell-Free Microalgae Supernatant.

Induced Resistance against Pseudomonas syringae pv. lachrymans in Cucumber by Spraying Cell-Free Microalgae Supernatant.

Chlorella is a genus of aquatic photosynthetic microalgae used in the production of dietary supplements, cosmetics, and biofuels, and also recently utilized as biological control agents or biofertilizers in agricultural supplements. Chlorella supernatant elicits induced resistance in Arabidopsis thaliana but its effects on crop plants remain largely unknown. This study tested whether application of Chlorella supernatant elicited induced resistance in cucumber (Cucumis sativus L.). Foliar application of supernatants from six microalgal strains revealed that supernatants from the high biofuel-producing strains HS2 and ABC001 elicited induced resistance against Pseudomonas syringae pv. lachrymans, which causes angular leaf spot in cucumber. In addition, spraying plants with D-lactic acid, a previously known determinant of induced resistance in the Chlorella supernatant, reduced the severity of disease caused by P. syringae pv. lachrymans in cucumber leaves by activating the salicylic acid and jasmonic acid signaling pathways. The application of Chlorella supernatant thus protects a crop plant against disease while offering a cost-effective method of recycling waste supernatant.

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来源期刊
Plant Pathology Journal
Plant Pathology Journal 生物-植物科学
CiteScore
4.90
自引率
4.30%
发文量
71
审稿时长
12 months
期刊介绍: Information not localized
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