不同熟期类型玉米品种籽粒灌浆和脱水特性
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王荣焕, 徐田军, 陈传永, 王元东, 吕天放, 刘月娥, 蔡万涛, 刘秀芝, 赵久然
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Grain filling and dehydrating characteristics of maize hybrids with different maturity
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WANG Rong-Huan, XU Tian-Jun, CHEN Chuan-Yong, WANG Yuan-Dong, LYU Tian-Fang, LIU Yue-E, CAI Wan-Tao, LIU Xiu-Zhi, ZHAO Jiu-Ran
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表4 不同熟期类型玉米品种的籽粒含水率和脱水速率
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Table 4 Grain moisture content and dehydrating rate of maize hybrids with different maturity
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熟期类型 Maturity type | 品种 Hybrid | 籽粒含水率 Grain moisture content (%) | 生理成熟前平均生理降水速率 Physiological dehydration rate before physiological maturity [% (℃ d)-1] | 生理成熟后平均 物理脱水速率 Physical dehydration rate after physiological maturity [% (℃ d)-1] | 平均总脱水速率 Average total dehydration rate [% (℃ d)-1] | 生理成熟期 Physiological maturity | 收获期Harvest stage | 中早熟类型 Medium-early maturity type | 吉单27 Jidan 27 | 26.6 e | 23.0 bcd | 0.045 a | 0.012 f | 0.028 cd | 京农科728 Jingnongke 728 | 30.2 abcd | 19.8 f | 0.043 ab | 0.034 a | 0.038 a | 农华101 Nonghua 101 | 29.9 bcd | 20.9 e | 0.044 a | 0.030 b | 0.037 a | 平均值Average | 28.9 | 21.2 | 0.044 | 0.025 | 0.035 | 中熟类型 Medium maturity type | 京单28 Jingdan 28 | 32.2 ab | 22.3 cd | 0.039 c | 0.033 ab | 0.036 a | 先玉335 Xianyu 335 | 30.2 abcd | 23.8 b | 0.041 bc | 0.022 cd | 0.031 bc | NK718 | 30.2 abcd | 23.2 bc | 0.041 bc | 0.024 c | 0.032 b | 京华8号 Jinghua 8 | 31.6 abc | 22.1 d | 0.040 bc | 0.032 ab | 0.036 a | 利民33 Limin 33 | 32.4 a | 22.4 cd | 0.039 c | 0.034 ab | 0.037 a | 京科528 Jingke 528 | 31.9 abc | 22.6 cd | 0.041 bc | 0.032 ab | 0.036 a | 京单38 Jingdan 38 | 30.7 abcd | 23.9 b | 0.040 bc | 0.023 cd | 0.032 b | 京科665 Jingke 665 | 29.1 d | 23.9 b | 0.040 bc | 0.018 e | 0.029 c | 平均值Average | 31.0 | 23.0 | 0.040 bc | 0.027 | 0.034 | 中晚熟类型 Medium-late maturity type | 郑单958 Zhengdan 958 | 30.0 abcd | 25.5 a | 0.038 c | 0.016 ef | 0.027 d | 京科968 Jingke 968 | 29.5 cd | 24.0 b | 0.038 c | 0.019 d | 0.029 c | 平均值Average | 29.8 | 24.7 | 0.038 | 0.018 | 0.028 | 变异来源 Source of variation | 熟期类型 Maturity type | ** | ** | ** | ** | ** | 品种Hybrid | ** | ** | ** | ** | ** |
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