Seed Treatment With Fungicides and Biocontrol Agents for Fusarium Wilt Management and Improvement of Seed Quality in Lentil

IF 1.1 4区 农林科学 Q3 PLANT SCIENCES Journal of Phytopathology Pub Date : 2024-09-19 DOI:10.1111/jph.13389
Sunil Jadhav, Atul Kumar, Jameel Akthar, Praveen Patted, Gyna P. Mishra, Muralidhar Aski, Sakshi Tomar
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Abstract

Lentil (Lens culinaris) is an important pulse crop in India. Fusarium wilt caused by Fusarium oxysporum f. sp. lentis (Fol), is a major biotic constraint in lentil production. The present investigation was undertaken to evaluate the efficacy of combination products of fungicides and bio-agents against Fol under in vitro and in vivo conditions. Fungicides were evaluated using the poisoned food technique, while the antagonistic activity of bio-agents was studied using dual culture technique. Among seven combination products of fungicides, carbendazim 12% + mancozeb 63% was the most effective fungicide in restricting the colony diameter of the pathogen. In field conditions, the seed treatment with carbendazim 12% + mancozeb 63% at 2.5 g/kg seed performed best in both yield and seed quality parameters. Among the bio-agents tested, Trichoderma asperullum gave the best results in suppressing pathogen growth under in vitro conditions. The seed treatment with the combination of T. asperullum + Pseudomonas fluorescens at 5 g/kg seed showed improvement in seed yield and seed quality parameters in the field. The present study has provided chemical and biological measures for the integrated management of lentil wilt.

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用杀真菌剂和生物控制剂进行种子处理以控制镰刀菌枯萎病和提高扁豆种子质量
扁豆(Lens culinaris)是印度重要的豆类作物。由 Fusarium oxysporum f. sp. lentis(Fol)引起的镰刀菌枯萎病是扁豆生产中的主要生物制约因素。本研究旨在评估杀菌剂和生物制剂组合产品在体外和体内条件下对 Fol 的药效。使用有毒食物技术对杀菌剂进行了评估,同时使用双重培养技术研究了生物制剂的拮抗活性。在七种杀菌剂组合产品中,多菌灵 12%+ 曼可滋 63% 是限制病原体菌落直径最有效的杀菌剂。在田间条件下,使用多菌灵 12%+ 曼可滋 63%(每公斤种子 2.5 克)进行种子处理,在产量和种子质量参数上都表现最佳。在测试的生物制剂中,Trichoderma asperullum 在体外条件下抑制病原体生长的效果最好。以每公斤种子 5 克的剂量使用褐曲霉+荧光假单胞菌的组合处理种子后,田间的种子产量和种子质量指标均有所提高。本研究为扁豆枯萎病的综合防治提供了化学和生物措施。
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来源期刊
Journal of Phytopathology
Journal of Phytopathology 生物-植物科学
CiteScore
2.90
自引率
0.00%
发文量
88
审稿时长
4-8 weeks
期刊介绍: Journal of Phytopathology publishes original and review articles on all scientific aspects of applied phytopathology in agricultural and horticultural crops. Preference is given to contributions improving our understanding of the biotic and abiotic determinants of plant diseases, including epidemics and damage potential, as a basis for innovative disease management, modelling and forecasting. This includes practical aspects and the development of methods for disease diagnosis as well as infection bioassays. Studies at the population, organism, physiological, biochemical and molecular genetic level are welcome. The journal scope comprises the pathology and epidemiology of plant diseases caused by microbial pathogens, viruses and nematodes. Accepted papers should advance our conceptual knowledge of plant diseases, rather than presenting descriptive or screening data unrelated to phytopathological mechanisms or functions. Results from unrepeated experimental conditions or data with no or inappropriate statistical processing will not be considered. Authors are encouraged to look at past issues to ensure adherence to the standards of the journal.
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