Soybean frog-eye leaf spot(FLS) has been a major disease andproduction constralnt in the Northeast of China.The paper reported methods for identifying and evalu
It was controversial issue if nuclear polyhedrosis virus(NPV)could replicate in midgut cells of host larvae from Lepidoptera by now.The replication of Mythimna
It is not reasonable to estimate the average relationship degreein statistics by using the mean of relationship coefficients between the individuals in a animal
The even degree of chicken population could be estimated by thecoefficient of variation or the percentage of the chicken whose body weights were not higher and