大豆生殖生长期主茎和分枝的库源关系

• 作 者: Makie Kokubun 石春海
• 出 处: 原子能农业译丛
• 发表日期: 1986年01期
• 关键词: 大豆栽培 生殖生长期 同化物 库源 Glycine 光合产物 营养生长期 运转效率 叶位 示踪物

大豆[Glycine max(L.)Merr.]的籽粒产量是由叶片(源)的光合作用和输入种子(库)的光合产物的量来决定的。在以前的研究中,我们已发现大豆产量主要取决于花期至鼓荚早期时的源能力,并可通过改变株型来改良源的能力。这些结果也许与主茎叶位及源能力和同化物运转效率有密切关系。用~(14)C 示踪物的研究已证实,成熟叶在营养生长期主要的库是伸展叶、生长中的分生组织、伸长中的茎和根,而在生殖生长期则为豆荚和种子。在这类同化物分布的研究中,采取标记主茎上的特定叶或有活性的同化叶。虽然同化物输送的方

The grain yield of soybean [Glycine max (L.) Merr.] Is determined by the photosynthesis of the leaf (source) and the amount of photosynthetic products input into the seed (pool). In previous studies, we have found that soybean yield mainly depends on the source capacity from florescence to early drum pods and that the source capacity can be modified by changing the plant type. These results may be closely related to the main stem position and source ability and assimilation operating efficiency. Studies with ~ (14) C tracers have demonstrated that the major pools of mature leaves during vegetative growth are stretched leaves, growing meristems, stems and roots in elongation, and pods in reproductive growth And seeds. In studies of such assimilate distribution, specific leaves or active assimilating leaves on the main stem are marked. Although the assimilate delivery side