Tao Longxing, Wang Xi, Liao Xiyuan, Shen Bo, Tan Huijuan, Huang Shiwen
State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China.
Ying Yong Sheng Tai Xue Bao. 2006 Apr;17(4):647-52.
This paper studied the grain quality and Q-enzyme activity of three rice varieties and their combinations as affected by air temperature and sink-source volume. The results showed that at the early stage of milk filling, the grains of fully milk filling under high temperature had a higher chalkiness, lower transparency, and lower rate of white rice. Compared with the grain of early-rice, that of late rice had higher gel consistency and transparency, and higher rate of white rice. Planting rice at early-or late season had no significant effect on the amylose and protein contents of rice grain. Leaf-cutting to limit source decreased grain quality markedly, while grain-thinning to decrease sink improved grain quality significantly.
本文研究了3个水稻品种及其组合的籽粒品质和Q酶活性受气温和库源体积的影响。结果表明，在灌浆初期，高温下充分灌浆的籽粒垩白度较高，透明度较低，糙米率较低。与早稻籽粒相比，晚稻籽粒的胶稠度和透明度较高，糙米率也较高。早季或晚季种植水稻对稻米直链淀粉和蛋白质含量无显著影响。剪叶限制源显著降低了籽粒品质，而疏粒减少库则显著改善了籽粒品质。
