Effects of light quality on pod elongation in soybean (Glycine max (L.) Merr.) and cowpea (Vigna unguiculata (L.) Walp.).
Effects of light quality on pod elongation in soybean (Glycine max (L.) Merr.) and cowpea (Vigna unguiculata (L.) Walp.).
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光质量对大豆 (Glycine max (L.) Merr.) 和豇豆 (Vigna unguiculata (L.) Walp.) 荚果伸长的影响。
DOI：
10.1080/15592324.2017.1327495
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
Ishibashi Y.
中科院分区：
文献类型：
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作者：
Tanaka S;Ario N;Nakagawa ACS;Tomita Y;Murayama N;Taniguchi T;Hamaoka N;Iwaya-Inoue M;Ishibashi Y.
大豆荚位于节点处，处于阴影中，而豇豆荚位于叶子外部并暴露在阳光下。为了比较光质量对大豆和豇豆豆荚生长的影响，我们测量了用白光、蓝光、红光或远红光处理的豆荚长度。在这两个物种中，除了豇豆的红光处理之外，在所有光处理中，豆荚在黑暗时期比在光照时期伸长得更快。在黑暗和光照期间，红光显着抑制大豆的荚伸长。另一方面，红光处理的豇豆荚的伸长在光照期间显着促进。这些结果表明，大豆和豇豆之间结荚位点的差异可能解释了它们对豆荚生长的红光响应的差异。
Soybean pods are located at the nodes, where they are in the shadow, whereas cowpea pods are located outside of the leaves and are exposed to sunlight. To compare the effects of light quality on pod growth in soybean and cowpea, we measured the length of pods treated with white, blue, red or far-red light. In both species, pods elongated faster during the dark period than during the light period in all light treatments except red light treatment in cowpea. Red light significantly suppressed pod elongation in soybean during the dark and light periods. On the other hand, the elongation of cowpea pods treated with red light markedly promoted during the light period. These results suggested that the difference in the pod set sites between soybean and cowpea might account for the difference in their red light responses for pod growth.