Talaromyces omanensis and Aspergillus fumigatus endophytic fungi suppress Pythium aphanidermatum and its induced damping-off diseases of cucumber and radish

IF 1 Q3 PLANT SCIENCES

Archives of Phytopathology and Plant Protection Pub Date : 2023-05-26 DOI:10.1080/03235408.2023.2216350

Boshra A. Halo, Rashid Al-Yahyai, A. Al-Sadi

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Abstract

Abstract Damping-off diseases caused huge losses in crop production in numerous countries. Pythium aphanidermatum represents a major cause of these diseases. In the present investigation, two endophytic fungi Talaromyces omanensis and Aspergillus fumigatus isolated from a desert plant, Rhazya stricta, were investigated for their efficiency in suppressing P. aphanidermatum and its stimulated damping-off diseases in cucumber and radish. The results proved the ability of both endophytes to inhibit P. aphanidermatum growth in both solid and liquid forms, inhibit its oospore production, induce abnormal patterns in its hyphae and suppress its induced damping-off diseases. Moreover, T. omanensis produced an inhibition zone area against P. aphanidermatum and enhanced the fresh weight of cucumber and length, fresh weight and dry weight of radish. Further, A. fumigatus caused cellular leakage in P. aphanidermatum mycelium. The previous results were interpreted through the secretion of β-1,3-glucanase, cellulase and siderophore by both endophytic fungi.

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阿曼Talaromyces omanensis和烟曲霉内生真菌抑制无叶腐霉及其诱导的黄瓜和萝卜抗病性

在许多国家，退潮病给农作物生产造成了巨大损失。蛇皮霉是这些疾病的主要病因。本文研究了从沙漠植物拉兹亚(Rhazya stricta)中分离得到的两种内生真菌阿曼塔芳菌(Talaromyces omanensis)和烟曲霉(Aspergillus fumigatus)对黄瓜和萝卜中蛇皮霉(P. aphanidermatum)及其诱发的消湿病害的抑制作用。结果证明，这两种内生菌均能抑制假单胞菌的固体和液体生长，抑制其卵孢子的产生，诱导其菌丝的异常模式，抑制其诱导的阻尼病。对黄瓜鲜重、萝卜长、鲜重和干重均有显著提高，对黄瓜鲜重和萝卜干重均有显著提高。此外，烟曲霉还会引起假单胞菌菌丝的细胞渗漏。上述结果可以通过内生真菌分泌β-1,3-葡聚糖酶、纤维素酶和铁载体来解释。

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

Archives of Phytopathology and Plant Protection Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.20

自引率

0.00%

发文量

100

期刊介绍： Archives of Phytopathology and Plant Protection publishes original papers and reviews covering all scientific aspects of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology, herbal studies and applied nematology and entomology as well as strategies and tactics of protecting crop plants and stocks of crop products against diseases. The journal provides a permanent forum for discussion of questions relating to the influence of plant protection measures on soil, water and air quality and on the fauna and flora, as well as to their interdependence in ecosystems of cultivated and neighbouring areas.