论文部分内容阅读
利用红苕藤尖越冬培育种苗,是我省红苕育苗技术上的一项重大改革,自1972年在巫山县大昌公社试验成功以来,目前已有较大发展。由于它具有大量节省种薯的优点,受到群众和有关领导部门的重视。通过几年的推广应用,现在对这一方法评价颇不一致。许多生产单位反应有增产的效果,有的甚至认为连续留种的世代愈多,其增产效果也越大。但广东、福建、云南等省在推广种植越冬薯时发现,利用老藤繁殖的,一般
The use of red spider vine tip overwintering breeding seedlings, is a major reform of the technology in our province red grower, since 1972 Dachang commune in Wushan County successful trial, has been a greater development. Because of its advantages of saving a lot of seed, it is valued by the masses and relevant leaders. After several years of promotion and application, the evaluation of this method is quite inconsistent. Many production units responded with the effect of increasing production, and some even thought that the more generations they kept in succession, the greater the production increase effect would be. However, Guangdong, Fujian, Yunnan and other provinces in the promotion of planting overwintering potato found that the use of old vine breeding, general