Due to the meteorological factors,Henan Province had a large-scale outbreak of corn stalk rot in 2014,and the incidence status of 25 varieties was investigated.
The fruit swelling effect of forchlorfenuron( CPPU) and fruit thinning effect of ethychlozate on Tainong 1 mango( Mangifera indica L. cv.) were studied. Sprayin
Based on the survey of observation,the factors affecting prevalence degree of wheat scab( Gibberella zeae) were analyzed through coupling method. The results sh