Development and reproduction of hawthorn spider mites on apple cultivars.
Author of the article:LI Ding-Xu
Author's Workplace：(Luoyang Agricultural College，Luoyang 471003,China).
Key Words：hawthorn spider mites; apple; cultivars; developments; reproduction
Abstract：Experiments on the development and reproduction of hawthorn spider mites,Tetrancychus vienensis Zacher, on some apple cultivars were conducted in the laboratory．The viability and spread of the mite was greatest on starking cultivars and lowest on