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选用5个小豆品种为试验材料,采用双因素裂区设计,研究间作栽培条件下不同小豆品种花荚期的光合特征参数及其产量经济性状变化,旨在为山西中部科学选择适应性强、光利用效率高的小豆品种提供理论依据。结果表明,花荚期阶段,在小豆/玉米间作模式下,小豆上部叶片的叶绿素含量远低于对照(无遮阴),中红10号的净光合速率(Pn)、气孔导度(Gs)和蒸腾速率(Tr)最高,中红6号次之;无遮阴条件下,各个小豆品种的Pn高于遮阴条件下的Pn,晋小豆5号Pn最高,中红6号次之。收获后,不同小豆品种的产量与净光合速率的高低相对应。研究结果表明,中红6号是一个在山西中部适应性和光利用能力较强的小豆品种。
Five small adzuki bean varieties were selected as experimental materials and the two-factor split design was used to study the photosynthetic characteristics and the changes of yield and economic characters during flowering and podding stages of different adzuki bean varieties under intercropping cultivation. The use of high efficiency adzuki bean varieties provide a theoretical basis. The results showed that the chlorophyll content in the upper leaves of adzuki bean was significantly lower than that of the control (no shade) in the adzuki bean / maize intercropping stage at the pod stage, and the net photosynthetic rate (Pn), stomatal conductance (Gs) And transpiration rate (Tr) were the highest, followed by medium red 6. Under no shade, the Pn of each adzuki bean was higher than that under shading, and the highest was pn of Jinzudou 5 and the next was red 6. After harvest, the yield of different adzuki bean varieties corresponded with the net photosynthetic rate. The results showed that Zhonghong 6 was a small bean variety with strong adaptability and light utilization ability in central Shanxi.