Elucidation of molecular variability among isolates Pyricularia griseacausing blast disease in forage pearl millet

IF 0.8 4区农林科学 Q3 AGRONOMY

Range Management and Agroforestry Pub Date : 2023-12-20 DOI:10.59515/rma.2023.v44.i2.09

Prerana Parihar, R. K. Pandya, Purnima Singh, S. Tiwari, M.K Tripath, Niraj Tripathi, C. Satyavathi

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引用次数: 0

Abstract

Pearl millet is an important nutri-cereal for humans and a forage crop for livestock. It is ()Pennisetum glaucumthe only cereal crop that is proficient in adopting punitive climate conditions and peripheral soil. The blast disease caused by is a major problem in pearl millet, causing significant losses in high-yield Pyricularia griseahybrids/varieties grown for fodder. Blast disease is a major biotic threat in the cultivation of pearl millet in northern Madhya Pradesh, especially Gwalior, Morena, Bhind and Sheopur. In this investigation, we studied eight isolates of that cause pearl millet blast disease. We used RAPD and ISSR molecular markers to P. griseaassess their morphology, pathogenicity and genetics. Mycelium growth was investigated maximum in isolate PGMP1, howeverThe pearl millet blast , two isolates ., PGMP1 and PGMP8 were found to be highly virulent. vizfungus population in northern Madhya Pradesh is genetically diverse. RAPD and ISSR markers reliablyexplained the relationships among the different isolates. Our results on the characterization of blast pathogen might be advantageous in devising location-specific disease management strategies in pearl millet against blast disease.

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阐明引起饲用珍珠粟稻瘟病的分离株Pyricularia griseaca之间的分子变异性

珍珠粟是人类重要的营养谷物，也是牲畜的饲料作物。它是 Pennisetum glaucum 中唯一能适应恶劣气候条件和边缘土壤的谷类作物。疫病是珍珠粟的一个主要问题，它给作为饲料种植的高产杂交种/品种造成重大损失。在中央邦北部，尤其是瓜里奥尔、莫雷纳、宾德和希奥普尔，疫病是珍珠粟种植过程中的主要生物威胁。在这项调查中，我们研究了引起珍珠粟瘟的 8 个分离株。我们使用 RAPD 和 ISSR 分子标记来评估 P. grisea 的形态、致病性和遗传性。调查发现，菌丝生长量最大的是分离株 PGMP1，但在中央邦北部，两个分离株 PGMP1 和 PGMP8 的致病力很强。RAPD 和 ISSR 标记可靠地解释了不同分离物之间的关系。我们关于稻瘟病病原体特征的研究结果可能有利于制定针对珍珠粟稻瘟病的具体病害防治策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Range Management and Agroforestry AGRONOMY-

CiteScore

1.50

自引率

62.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Society has been established with the following objectives: 1. To advance the cause of research activity in all aspects of rangelands and to encourage and promote the studies on rangeland, wasteland ecosystems and agroforestry. 2. To provide facilities for seminars and conferences to rangeland researchers, development workers and farmers and to encourage close cooperation with organizations having related aims and interests. 3. To disseminate the knowledge of scientific agriculture and technology for forage and rangeland production, improvement and management.