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甘薯是一个高产稳产作物。但是,多年来,由于留种及其它原因优种退化严重、产量低而不稳。在实际生产中,除了引进新的高产品种进行高倍繁殖,迅速推广外,1982年我们用江西化工学院生产的植物激素三十烷醇在三户承包的夏薯田进行试验收到了增产的效果。试验面积4.66亩,品种为已退化的胜利百号。于8月23日甘薯结薯后,采用叶面喷雾的方法,浓度为0.8ppm,即0.1%的三十
Sweet potato is a high and stable crop. However, over the years, superior species have been severely degenerated for subsistence and other reasons, with low and unstable yields. In actual production, in addition to the introduction of new high-yielding varieties for high-multiplication and rapid promotion, in 1982 we used the Jiangxi Chemical Industry Institute plant phytohormones triacontanol trial in the three contract sweet potato fields received a yield increase. 4.66 acres of test area, the varieties have been degraded Victory 100. On August 23 sweet potato tuber after the method of foliar spray, the concentration of 0.8ppm, or 0.1% of the thirty