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20世纪90年代以来,我国先后从日本、韩国引进了大批梨树良种,如金二十世纪、新高、南水、爱甘水、黄金梨、圆黄等。但是许多单位在引进日韩梨良种的同时,却忽视了一个重要的问题,即需要引进相应的配套栽培技术,结果使目前日韩梨生产上出现了一系列的问题。主要表现1.栽培技术相
Since the 1990s, China has successively introduced a large number of pear tree species from Japan and South Korea, such as the golden twentieth century, the new high, the south water, the sweet water, the golden pear, and the yellow circle. However, at the same time that many units have introduced the Japanese and Korean pear varieties, they have neglected the important issue that they need to introduce the corresponding cultivation techniques. As a result, a series of problems have emerged in the production of Japanese and Korean pear products. The main performance 1. Cultivation phase