有性生殖在拉比迪迪霉攻击鹰嘴豆中的作用

Q4 Agricultural and Biological Sciences
Basem Attar, S. Ahmad, M. Kayim, E. Choueiri, H. Ghannam, A. Hamwieh, Rabat Morocco. Icarda, Cairo Egypt. Icarda
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引用次数: 2

摘要

刘建军,刘建军,刘建军,刘建军。2020。有性繁殖在影响鹰嘴豆的拉贝氏Didymella的侵袭性中的作用。植物保护学报,38(1):17-24。鹰嘴豆生产在许多国家都受到疫病的影响,由于高侵袭性病原体种群的进化,流行品种停产。有性生殖被认为在拉氏Didymella rabiei攻击性种群的进化中起着重要作用。利用4个亲本分离株(AR01为MAT1-2, AR02、AR03和AR04为MAT1-1)进行3个杂交,这些亲本分离株具有不同程度的攻击性。对每个杂交随机选择的20个子代及其亲本进行了鹰嘴豆易感基因型(ILC-263)和抗性基因型(ICC-12004)的侵袭性检测。此外,采用多重交配类型标记确定交配类型频率。用潜伏期和疾病严重程度来衡量后代的分离侵袭性。所有子代的平均潜伏期为6 ~ 12天。三种杂交后代的攻击性表现出显著差异。AR04杂交的AR01后代具有较高的攻击性。两种交配类型在所有杂交中出现的频率几乎相等。我们的研究结果表明,有性繁殖可以产生能够适应抗性品种的后代,并可能影响常用的杀菌剂管理Ascochyta疫病的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea
Attar, B., S. Ahmed, M. Kayim, E. Choueiri, H.A. Ghannam, A. Hamwieh. 2020. Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea. Arab Journal of Plant Protection, 38(1): 17-24. Chickpea production is affected by Ascochyta blight disease in many countries and popular cultivars are put out of production due to the evolution of highly aggressive pathogen population. Sexual reproduction is believed to play an important role in the evolution of aggressive population in Didymella rabiei. Three crosses were made using four parental isolates (AR01 as MAT1-2 and AR02, AR03 and AR04 as MAT1-1) with varying levels of aggressiveness collected from Syria. Twenty randomly selected progenies per cross together with their respective parents were tested on susceptible (ILC-263) and resistant (ICC-12004) chickpea genotypes for their aggressiveness. Moreover, the mating type frequency was determined using multiplex Mating type markers. Latent period and disease severity were used to measure isolate aggressiveness in the progenies. The mean latent period ranged from 6-12 days in all progenies. The progenies showed significant differences on their aggressiveness in the three crosses. High level of aggressiveness of the progenies was generated from AR01 by AR04 crosses. The frequency of the two mating types was almost equal in all crosses. Our findings showed that sexual reproduction can create progenies that can adapt to resistant cultivars and could affect the effectiveness of commonly used fungicides to manage Ascochyta blight.
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来源期刊
Arab Journal of Plant Protection
Arab Journal of Plant Protection Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
0.40
自引率
0.00%
发文量
12
期刊介绍: The Arab Journal of Plant Protection is an open access journal included in CABI, AGRIS and Google Scholar data bases and indexed by Scopus. The journal’s aim is the promotion of plant health for crops grown in the Arab and Near East region and for safe food production and transfer of new knowledge on plant pests and their sustainable management. The journal deals with all scientific
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