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荔枝一、物候期:早熟品种抽穗期,中迟熟品种花芽分化期。二、中心工作:控冬梢、促进花芽分化。三、主要病虫害:卷叶蛾、叶瘿蚊、尖细娥四、管理措施:1、及时利用控梢药物喷杀中迟熟品种抽生的冬梢,可选用40%乙烯利11～12毫升加15%多效唑18克兑30斤水;40%乙烯利11～12毫升加比久15克兑30斤水;控梢促花素1包兑40斤水(请按说明使用);调花素2支兑36斤水(请按说明使用)或用其他有效的控梢药物。注意不管使用何种控梢药物,在大面积喷施之前都应事先做小面积的试验,掌握好在树势弱、高温的情况下,使
Lychee First, the phenophase: early maturing varieties heading stage, late maturing varieties of flower bud differentiation period. Second, the center of work: control winter shoots, to promote flower bud differentiation. Third, the main pests and diseases: leaf roller moths, leaf mites mosquito, sharp E 4, management measures: 1, the timely use of control drugs to spray medium and late maturing varieties of winter shoots, the choice of 40% ethephon 11 ~ 12 ml plus 15 % Paclobutrazol 18 grams against 30 pounds of water; 40% ethephon 11 ~ 12 ml Gabe Gui 15 grams against 30 pounds of water; control apothecary 1 package of 40 pounds of water (according to instructions); 36 pounds of water (follow the instructions to use) or with other effective control tip drugs. Note that no matter what kind of control tip drugs used in the large area before spraying should be done in advance of a small area of the test, grasp the weak, high temperature conditions, make