Bursaphelenchus xylophilus is the pathogen that causes pine wilt disease,which has greatly damaged forests and ecosystems in countries of East Asia and Europe.B
When confined to a single leaf,the larvae of most leafminers should suffer intense intraspecific competition.The survival and performance of individuals are exp
Oil from seeds of Diospyros lotus was extracted using a conventional method with two different solvents:hexane and petroleum ether.A central composite design wi