Effects of Irrigation and Chemical Control on Grain Filling and Chlorophyll Content in Wheat with Different Grain Colors

doi:10.7668/hbnxb.2010.04.032

Abstract

Abstract: To study the effects of irrigation and chemical control on grain filling and chlorophyll content in wheat with the different grain colors. The change of chlorophyll content in glumes，grains，flag leaves and the change of 1 000-grain weight and protein content in grains were tested after anthesis in three varieties of wheat with different grain colors by different irrigation and chemical control treatments. The result showed that irrigation 2 times was more faster than irrigation 3 times on the dry matter accumulation rate at 5－30 days after anthesis，there was significant difference in the 1 000-grain weight between irrigation 2 times and 3 times at days 15 and 25 after anthesis. The effect of irrigation on filling rate and 1 000-grain weight were similar. There were significant difference in chlorophyll content of grains，glumes and flag leaves，protein content，1 000-grain weight，and filling rate in wheat with different grain colors. In our experentment chemical control treatment had no significant influence on grain filling and chlorophyll content.

Key words: Irrigation, Chemical control, Chlorophyll, Grain filling, Wheat with different grain colors

CLC Number:

S152.01

YANG Gui-xia, ZHAO Guang-cai, XU Ke, CHANG Xu-hong, YANG Yu-shuang, MA Shao-kang. Effects of Irrigation and Chemical Control on Grain Filling and Chlorophyll Content in Wheat with Different Grain Colors[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(4): 152-157. doi: 10.7668/hbnxb.2010.04.032.

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