Studies on Infection Condition of Gerlachia nivalis in Wheat

doi:10.3321/j.issn:1000-7091.1996.04.010

Abstract

Abstract: The experiment results showed that the optimum temperature for Gerlachia nivalis penetration is 17～20℃,and for disease development in tissure of the host is above 20℃.The infection occured above RH 93% in 2～3 days,and the longer the period sustained,the severer the disease occured.Under 20℃ and saturated humidity condition,when light intensity is 8000 10000lx,and lihgt controlled 6h every day,it is suitable for infect and extensive.Long time sustained light is not suitable for disease occured.

Key words: Gerlachia nivalis, Infection condition, Wheat

CLC Number:

S435.121

Kang Yebin, Shang Hongsheng, Wang Shuquan. Studies on Infection Condition of Gerlachia nivalis in Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1996, 11(4): 48-51. doi: 10.3321/j.issn:1000-7091.1996.04.010.

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