Study on the Effect of Natural Control on M. matsumurae and D. spectabilis
- Received Date: 1990-03-23
- Available Online: 2012-12-04
Abstract: This paper reports ① In Kunyushan Forest Farm, the forest has been closed for 16 years successively to tender the trees and made it a thoroughly mixed forest. The result was that the trees grew well, there were a lot of natural enemies. ② The numbers of Matsucoccus matsumurae (Kuwana) and Dendrolimus spectabilis Butler were in a state of low population.