Varietal resistance of Algerian bread wheat against Fusarium culmorum, the main agent of crown rot on wheat

IF 1 Q3 PLANT SCIENCES

Archives of Phytopathology and Plant Protection Pub Date : 2023-02-07 DOI:10.1080/03235408.2023.2178064

Hamza Bouanaka, I. Bellil, D. Khelifi

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引用次数: 0

Abstract

Abstract Fusarium crown rot (FCR) is one of the serious wheat diseases. FC11 is one strain among 34 isolates obtained in a previous study, and identified as Fusarium culmorum strain highly pathogenic. FC11 was assigned the accession number MW151664 by NCBI GenBank. Two resistance/sensitivity tests were conducted on 9 cultivars (cv) of bread wheat. The In vitro test in the oven with the parameters; percentage of germination inhibition (%GI), to determine the tolerance of seedlings germination, and the Area Under the Disease Progress Curve (AUDPC) to test the tolerance to the initial infection of germinated coleoptiles. In in-vivo test in the growth chamber, the disease severity (DS) parameter used to test the cultivars ability to tolerate FCR induced by F. culmorum. The results showed that all cultivars were susceptible to FC11 with a significant decrease in germination and coleoptile emergence rate with GI% and AUDPC values reached up to 68.35, and 68.98% for cv. Boumerzoug and Hidhab, respectively. The cv. Bordj Mehis and Ain Abid showed significant susceptibility to F. culmorum, where length of the vegetative system and fresh weight (RCL% and RCW%) were negatively affected up to 28.66 and 56.66%, respectively. In this work, the cv. Akhamokh showed an interesting level of FCR tolerance among other cultivars tested.

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阿尔及利亚面包小麦品种对小麦冠腐病主要病原镰刀菌的抗性研究

摘要小麦枯萎病(Fusarium crown rot, FCR)是严重的小麦病害之一。FC11是先前研究获得的34株分离株中的一株，经鉴定为高致病性镰刀菌。NCBI GenBank为FC11分配了登录号MW151664。对9个面包小麦品种(cv)进行了2项抗性/敏感性试验。在恒温箱中进行体外试验;发芽抑制百分率(%GI)测定幼苗萌发的耐受性，疾病进展曲线下面积(AUDPC)测定发芽胚芽对初始侵染的耐受性。在生长室内的体内试验中，采用疾病严重程度(disease severity, DS)参数来测试品种对镰刀菌诱导的FCR的耐受能力。结果表明，所有品种对FC11均敏感，种子萌发率和胚芽出苗率显著降低，GI%和AUDPC值分别为68.35和68.98%。分别是Boumerzoug和Hidhab。的简历。柠条和艾因阿比(Ain Abid)的营养系统长度(RCL%)和鲜重(RCW%)受影响程度分别为28.66%和56.66%。在这项工作中，简历。Akhamokh在其他品种中表现出有趣的耐FCR水平。

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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.