植物对尖孢镰刀菌防御的诱导。海洋微球菌在鹰嘴豆植物中的应用。

P. Patel, Keyur B. Patel, P. Dhandhukia, Janki N. Thakker
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引用次数: 4

摘要

鹰嘴豆的产量和消费量在印度是世界上最高的,但是,鹰嘴豆的生产受到枯萎病的严重限制,枯萎病是由镰刀菌引起的。ciceris (FOC)。在逆境条件下,植物体内活性氧(ROS)的产生会增加,从而造成严重的损害。为了减少这种活性氧,植物体内含有抗氧化剂,可以解毒活性氧并保护植物细胞。本研究旨在探讨在镰刀菌存在和不存在的情况下,黄体微球菌对鹰嘴豆防御酶诱导的影响。通过盆栽试验,探讨了以滑石粉为基础的海洋黄鳝生物制剂通过提高SOD、POX等防御酶,以及l -脯氨酸、总酚和叶绿素、类胡萝卜素等色素的积累诱导黄鳝抗镰刀菌的机理。盆栽试验采用四种不同的条件进行:T1(对照)、T2(黄体分枝杆菌处理)、T3 (FOC处理)和T4(黄体分枝杆菌+ FOC处理)。对防御酶进行了研究,发现与对照和病原菌处理植株相比,黄曲霉处理植株的防御酶增幅最大。叶黄霉处理植株的叶绿素含量和类胡萝卜素含量明显高于病原菌处理植株。本研究表明,黄豆芽孢杆菌具有保护植物免受自由基侵害的作用,可以显著增强植物对土传病原体的防御反应,从而保护鹰嘴豆植株。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ELICITATION OF PLANT DEFENSE AGAINST FUSARIUM OXYSPORUM F.SP. CICERIS IN CHICKPEA PLANT USING MARINE MICROCOCCUS SP.
Chickpea is produced as well as consumed highest in India amongst the whole world but, production is seriously curtailed by Fusarium wilt, caused by Fusarium oxysporum f.sp. ciceris (FOC). In stressful conditions, the reactive oxygen species (ROS) production increases in plants which cause significant damage. To reduce this ROS, plants have inbuilt antioxidants that can detoxify ROS and protect cells of plants. The present study aimed to investigate the effect of Micrococcus luteus on the induction of defense enzymes in the presence and absence of Fusarium in chickpea. Talc-based bio-formulation of marine M. luteus was employed under pot trials to scrutinize mechanism of induced resistance against Fusarium by the improvement of defense enzymes like SOD, POX as well as accumulation of L-proline, total phenolic and pigments like chlorophyll and carotenoids. Pot trials were done using four different conditions- T1 (control), T2 (M. luteus treated), T3 (FOC treated), and T4 (M. luteus + FOC treated). Defense enzymes were studied and a maximum increase in M. luteus treated plants as compared to control and pathogen treated plants were noted. The chlorophyll and carotenoid content were improved in M. luteus treated plants to pathogen treated plants. This study indicated that M. luteus helps the plant to protect itself from free radicals as it showed significant induction of enhanced plant defense response against soil-borne pathogen to protect chickpea plant.
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