印度西孟加拉邦沿海地区向日葵腐领病菌核菌(Sacc)变异及土壤特征对其生长的影响

IF 0.8 4区 生物学 Q3 AGRONOMY
Legume Research Pub Date : 2019-01-01 DOI:10.18805/LR-3922
A. Maji, R. Nath, Deepak Singh, P. K. Garain
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引用次数: 3

摘要

向日葵是印度重要的油料作物。由菌核菌(Sclerotium rolfsii, Sacc)引起的领腐病是玉米的主要病害之一。本研究于2014-15年和2015-16年在体外条件下进行。为了观察土壤温度和土壤湿度的影响,罗尔夫斯(Sacc)。在不同的温度和湿度下生长。结果表明:在不同土壤pH值中,pH5.7对小麦种子的定殖效果最佳(61.67%),其次是pH 6.1(58.33%);在土壤温度条件下,病原菌菌丝生长的最适宜温度为30℃。土壤含水量为30%时病原菌生长最好,其次为25%。菌落形态、菌丝生长、菌核大小、菌核颜色和菌核数量发生了变化。不同菌株菌核数从352个(WBSR4)到411个(WBSR9)不等。在菌丝相容性研究中,36对组合中有25对表现出相容反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of variability and edaphological characteristics on growth of Sclerotium rolfsii (Sacc) causing collar rot disease of sunflower in coastal region of West Bengal, India
Sunflower is an important oilseed crop in India. One of the major diseases is collar rot caused by Sclerotium rolfsii (Sacc). This study was conducted during 2014–15 and 2015–16 under in-vitro condition. To see the effect of soil temperature and soil moisture, the S. rolfsii (Sacc). was grow at different temperature and at different moisture level. Results showed that among the different soil pH tested, pH5.7 was the best for colonization on wheat seeds 61.67% followed by 6.1(58.33%). In case of soil temperature most preferable temperature for mycelial grow of the pathogen was 30°C. The pathogen grown best in 30% soil moisture content followed by 25%. Variations were observed in colony morphology, mycelial growth, sclerotial size, colour and number of sclerotia. The number of sclerotia in different isolates varied from 352 (WBSR4) to 411 (WBSR9). Twenty five combinations showed compatible reaction out of 36 pairings in mycelial compatibility studies.
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来源期刊
Legume Research
Legume Research AGRONOMY-
CiteScore
1.30
自引率
37.50%
发文量
256
审稿时长
6-12 weeks
期刊介绍: Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.
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