Progression of Powdery Mildew, Alternaria Blight and Bacterial Leaf Blight of Cluster Bean in Relation to Weather Parameters

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作者
Kanwar, Harshraj [1 ]
Trivedi, Amit [1 ]
Chandrawat, Brajnandan Singh [2 ]
Sharma, Shanti Kumar [3 ]
机构
[1] MPUAT, Dept Plant Pathol, Udaipur 313001, India
[2] MPUAT, Dept Nematol, Udaipur 313001, India
[3] MPUAT, Directorate Res, Udaipur 313001, India
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中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A research was performed to assess the effect of weather parameters along with different date of sowing. Disease progress was influenced by different weather factors viz., temperature, relative humidity, sunshine and rainfall. For powdery mildew and Alternaria blight, maximum AUDPC (Area under disease progress curve) value were 333.9 and 378.3, respectively in the plants sown on 1st July and the lowest 191.4 and 205.1 in plants sown on 21st July 2014, respectively. However, effect of weather parameters on development of bacterial leaf blight resulted in abrupt increase in AUDPC from 289.4 to 444.5 in 4th to 5th week of inoculation, reaching its maximum 455.3 in 6th week of inoculation, due to fluctuating in rainfall and relative humidity. Lowest AUDPC 82.6 was observed in last sowing done on 21st July.
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页码:1285 / 1292
页数:8
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