花生“抗黄1号”叶面积与干物质积累动态研究

Study on Leaf Area and Dry Matter Accumulation of New Peanut Variety "Kanghuang 1"

研究结果表明,抗黄1号虽在各生育阶段的叶面积系数(LAI)均比泉花10号低,但仍具有较高的LAI;在苗期、结荚期,抗黄1号的净同化率分别比泉花10号高10.6%、21.8%;抗黄1号除在开花下针期干物质积累率比泉花10号略低外,其余各个时期的积累率均大于泉花10号;产量形成期的经济系数抗黄1号也比泉花10号高;抗黄1号不仅库大、源大,而且库/源比率高,库、源的协调性也比泉花10号好。

The research indicated that the leaf area index （LAI） of Kanghuang 1 was lower than that of Qnanhua 10 at different growth phases, but still had high LAI; the net assimilation rate （NAB.） of Kanghuang 1 was separately 10.6% and 21.8% higher than Quanhua 10 at seedling stage and bearing pod stage; the dry matter accumulation rate of Kanghuang 1 was slightly higher than that of Quanhua 10 except at pegging stage; The economic coefficient of Kanghuang 1 was higher as compared to Quanhua 10 in grain -filling period. Kanghuang 1 showed not only big sink and big source, but also concerted sink - source structure.