棉花叶芽和花芽化学组分的研究

Studies on Chemical Constituents in the Leaf Bud and Flower Bud of Cotton

1986～1988年对棉花叶芽和花芽(混合芽)化学组分的研究结果表明,叶芽含有17种氨基酸,6种糖,2种生物碱.1种有机酸;花芽含有11种氨基酸,8种糖,2种生物碱,2种有机酸.叶芽中各种无机元素的含量均比花芽高,而花芽中氨基酸总量及糖的总量均比叶芽高.据分析结果,在调控腋芽分化时,应控制叶芽中氨基酸的种类,使之减少与金属离子的配合,进而提高花芽体内作为营养成份的无机元素的含量.

In order to have a further study on the law of growth and differentiation in cotton axillary bud, the suitable chemical Controling substances are selected purposively for adjusting and controling differentiation of axillary bud. We have studied the chemical constituents of the leaf bud and flower bud (blend bud) of cotton from 1986 to 1988. The research results are as follows.1 . The leaf bud Contains seventeen kinds of amino acid, six kinds of carbohydrate, two kinds of alkaloid and one kind of organic acid.The flower bud contains eleven kinds of amino acid, eight kinds of corbohydrate, two kinds of alkaloid and two kinds of organic acid.2 . The content of inorganic elements in the leaf bud is higher than that in the flower bud.3 . The total amount of amino acids and carbohydrates in the flower bud is higher than that in the leaf bud.According to analytic results, kinds of amino acid in the leaf bud should be controled when adjusting and controling differentiation of the axillary bud so that the complexation of arnino acids with metallic ions would be decraesed, and then content of inorganic elements as nutrient composition in flower bud Would be increased.