论文部分内容阅读
一、根线虫病的发现经过与危害症状罗甸县是我省甜橙主要生产县。为了发展甜橙生产,一九七六年从四川引进锦橙30,000株,先行假植。
First, the discovery of root nematode disease and harm Luodian County, the province is the main producing sweet orange County. In order to develop sweet orange production, 30,000 Jincheng orange plants were introduced from Sichuan in 1976 and planted them first.