The secretions and getting rid of technique are major presented, that provided the theory basis and practical txperience for the difficult questions to control Psylla Chinensis in pear orchards.

 
  • 梨木虱及其分泌物的危害和综合防治的研究进展.;重点介绍了中国梨木虱分泌物及其破除技术;为解决梨树生产中梨木虱难防治问题提供了理论依据和实践经验
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