“点枝灵”软膏制剂是北京农业大学研制开发的新一代整形发枝产品,主要由细胞分裂素和多种营养制成。此项成果已于1994年11月通过农业部科技成果鉴定,达到国际先进水平。 苹果和梨的芽具有晚熟性,而且大多数品种成枝率都较低。例如,目前生产上推广的主要品种“红富士”、“王林”、“北斗”定植当年一般成枝只有3～5个,短枝型品种“新红星”成枝往往只有2～3个,定植第二年也只有15～ “Zhitian Ling” ointment preparation is a new generation of shaping and hairpin product developed by Beijing Agricultural University, which is mainly made of cytokinin and various nutrients. This result was passed in November 1994 by the Ministry of Agriculture scientific and technological achievements appraisal, reached the international advanced level. Buds of apples and pears are late-maturing, and most varieties have lower rates of shoots. For example, only 3 to 5 branches are commonly planted in the main varieties of “Red Fuji”, “Wanglin” and “Beidou” popularized in production at present, and only 2 to 3 branches of spur type “New Red Star” The second year of planting is only 15 ~