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比久(B_9)又叫阿拉,是一种植物生长抑制剂,对果树生产有下列作用。 1.抑制新梢生长,促进花芽分化;使新梢生长缓慢,节间缩短;促使树体矮化,叶片数量增加而且叶大色浓,有利于积累营养以满足花芽分化的需要。一般在春梢10厘米左右时喷施2000PPm药液为宜;秋梢生长初期喷洒后,可控制秋梢生长,提高耐寒力,还可抑制翌年春梢的生长和促进花芽的分化。 2.防止落果,减轻病害:采收前45～60天喷2000PPm药
Bijia (B_9) also known as Allah, is a plant growth inhibitor, the following effects on the production of fruit trees. 1. Inhibit the growth of shoots and promote flower bud differentiation; make shoots grow slowly, internodes shortened; promote the dwarf tree, leaf number increased and leaves thick color, is conducive to the accumulation of nutrients to meet the needs of flower bud differentiation. Spraying 2000PPm liquid is generally appropriate when the spring shoots about 10 centimeters; after the early shoots of autumn shoots are sprayed, the autumn shoots can be controlled to grow and the cold hardiness can be controlled; the growth of spring shoots and the differentiation of flower buds can also be inhibited in the following year. 2 to prevent falling, reduce disease: 45-60 days before harvest spraying 2000PPm medicine