绿豆基因型对绿豆黄曲霉病毒的抗性反应

Parasappa Saable, S Revanappa Biradar, Pavan Shinde, B Manu, Channamma Kamati, Ramakrishnan Nair, Umashanker Prajapati, Aditya Pratap, Mohd. Akram, Kodandaram
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引用次数: 0

摘要

绿豆黄曲霉病毒(MYMV)是绿豆种植区的一种重要病毒病,会导致绿豆严重减产,尤其是在春夏季节。本研究旨在确定绿豆中的 MYMV 供体。在 2019 年夏季的自然田间条件下,共对 104 个绿豆基因型进行了 MYMV 评估。结果显示,绿豆基因型的 MYMV 严重程度从 0% 到 100% 不等。在 104 个基因型中,32 个基因型完全不受 MYMV 侵染,2 个基因型表现出抗性反应(R),22 个基因型表现出中度抗性反应(MR),其余 48 个基因型对 MYMV 表现出易感和高度易感反应。因此,在 2020 年和 2021 年夏季的附生条件下,进一步评估了已确定的 34 个有潜力的绿豆品系以及易感对照 DGGV-2 对 MYMV 的抗性。两年中 MYMV 的汇总数据表明,IPM-1205-2、IPM-2-14、IPM-410-3、IPM14-10、IPM-205-7 和 IPM-1604-1 这六个基因型表现出稳定的 MYMV 抗性。这些已确定的稳定抗性基因型将成为绿豆育种计划开发抗性栽培品种的潜在供体。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Response of mungbean genotypes for resistance against mungbean yellow mosaic virus
Mungbean yellow mosaic virus (MYMV) is an important viral disease across mungbean growing areas and causes severe yield loss in mungbean especially during the spring/summer season. The present study was envisaged to identify MYMV donors in mungbean. A total of 104 mungbean genotypes were evaluated for MYMV under natural field conditions during summer, 2019. The results revealed that MYMV severity ranged from 0% to 100% among mungbean genotypes. Out of 104 genotypes, 32 genotypes were completely free from MYMV, two genotypes exhibited resistant reaction (R), 22 genotypes were found moderately resistant (MR) and the remaining 48 genotypes were susceptible to highly susceptible reaction to MYMV. Thus, the identified 34 promising lines of mungbean were further evaluated against MYMV along with susceptible check DGGV-2 under epiphytotic conditions during the summer of 2020 and 2021. Pooled data of MYMV over the two years indicated that six genotypes namely, IPM-1205-2, IPM-2-14, IPM-410-3, IPM14-10, IPM-205-7 and IPM-1604-1 were showed stability for MYMV resistance. These identified stable resistant genotypes will serve as potential donors for the mungbean breeding program to develop resistance cultivars.
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