淮北地区优质食味粳稻温光适应性和最佳播种期
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许方甫,卞金龙,韩超,陈志青,刘国栋,邢志鹏,胡雅杰,魏海燕,张洪程
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Temperature and Light Adaptability of High-Quality Japonica Rice and Optimum Seeding Date in Huaibei Region
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XU FangFu,BIAN JinLong,HAN Chao,CHEN ZhiQing,LIU GuoDong,XING ZhiPeng,HU YaJie,WEI HaiYan,ZHANG HongCheng
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表5 不同播期处理下主要生育阶段水稻日均温度的差异
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Table 5 Mean daily temperature in the main fertility stage difference between the two fertility types of rice varieties at seven sowing dates in 2017 and 2018 (℃)
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类型 Type | 处理 Treatment | 播种-拔节 SD-SE | 拔节-抽穗 SE-HE | 抽穗-成熟 HE-MA | 全生育期 SD-MA | 2017 | 2018 | 2017 | 2018 | 2017 | 2018 | 2017 | 2018 | 中熟中粳 MMMJ | S1 | 24.8g | 24.5g | 28.6a | 29.3a | 21.7a | 21.8a | 24.5a | 24.6a | S2 | 25.4f | 25.2f | 28.2b | 28.8b | 20.8b | 20.9b | 24.3b | 24.5b | S3 | 26.3e | 26.1e | 27.6c | 28.2c | 19.8c | 20.0c | 24.2c | 24.4c | S4 | 26.7d | 26.8d | 26.9d | 28.1d | 19.3d | 19.3d | 23.9d | 24.3d | S5 | 27.3c | 27.2c | 26.3e | 27.7e | 18.8e | 18.6e | 23.7e | 23.9e | S6 | 27.9b | 27.7b | 25.5f | 27.0f | 18.1f | 18.0f | 23.2f | 23.7f | S7 | 28.1a | 28.3a | 25.0g | 26.5g | 18.0f | 17.5g | 23.0g | 23.3g | 均值Mean | 26.6 | 26.5 | 26.9 | 27.9 | 19.5 | 19.4 | 23.8 | 24.1 | 迟熟中粳 LMMJ | S1 | 25.1f | 24.9g | 28.2a | 28.6a | 20.1a | 20.2a | 24.1a | 24.1a | S2 | 25.9e | 25.5f | 27.1b | 28.2ab | 19.2b | 19.4b | 23.8ab | 23.9ab | S3 | 26.5d | 26.3e | 26.2c | 27.9b | 18.8b | 18.5c | 23.7b | 23.9ab | S4 | 26.8c | 27.0d | 25.5d | 27.3c | 18.0c | 17.7d | 23.3c | 23.7bc | S5 | 27.4b | 27.5c | 25.0e | 26.5d | 17.6cd | 17.3de | 23.2c | 23.4cd | S6 | 27.9a | 27.9b | 24.3f | 25.6e | 17.4d | 17.1e | 23.2c | 23.3d | S7 | 28.0a | 28.3a | 24.0f | 25.1f | 17.3d | 16.9e | 23.0c | 23.3d | 均值Mean | 26.8 | 26.8 | 25.8 | 27.0 | 18.3 | 18.2 | 23.5 | 23.7 | 年度(Y) | * | ** | NS | ** | 类型(T) | ** | ** | ** | ** | 播期(S) | ** | ** | ** | ** | 年度×类型(Y×T) | NS | NS | NS | NS | 年度×播期(Y×S) | ** | ** | NS | * | 类型×播期(T×S) | ** | * | ** | ** | 年度×类型×播期(Y×T×S) | NS | * | NS | NS |
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