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6 不同播期处理下主要生育阶段水稻积温的差异
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Table 6 Accumulated 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 | 1661.5a | 1689.9b | 984.2a | 979.6a | 1233.4a | 1185.6a | 3879.1a | 3855.1a | S2 | 1654.0c | 1689.5d | 945.3b | 933.2b | 1196.4b | 1140.1b | 3795.7b | 3762.8b | S3 | 1657.8b | 1697.6a | 897.4c | 888.2c | 1148.7c | 1099.5c | 3703.9c | 3685.3c | S4 | 1626d | 1689.8c | 835.0d | 828.4d | 1126.1d | 1078.9d | 3587.1d | 3597.1d | S5 | 1581.8e | 1634.5e | 774.2e | 788.9e | 1107.9de | 1048.3e | 3463.9e | 3471.7e | S6 | 1533.7f | 1581.2f | 701.4f | 715.0f | 1145.5c | 1027.1f | 3380.6f | 3323.3f | S7 | 1433.7g | 1501.2g | 660.8g | 674.7g | 1102.8e | 1039.6ef | 3197.3g | 3215.5g | 均值Mean | 1592.6 | 1640.5 | 828.3 | 829.7 | 1151.5 | 1088.4 | 3572.5 | 3558.7 | 迟熟中粳 LMMJ | S1 | 1808.4a | 1839.3a | 1026.a | 998.0a | 1155.9a | 1130.7a | 3991.2a | 3968a | S2 | 1812.1a | 1821.9a | 988.9a | 958.0a | 1105.4b | 1091.5a | 3906.4b | 3871.4b | S3 | 1800.1a | 1841.3a | 929.3b | 906.6b | 1076.2c | 1046.5b | 3805.6c | 3794.4c | S4 | 1768.6a | 1822.6a | 866.1c | 860.1c | 1045.2d | 1018.6bc | 3679.9d | 3701.3d | S5 | 1710.1b | 1757.5b | 822.8c | 819.8c | 1011.9e | 984.3c | 3544.8e | 3561.6e | S6 | 1685.2b | 1739.7b | 728.9d | 703.9d | 966.5f | 939.8d | 3380.6f | 3383.4f | S7 | 1580.3c | 1669.9c | 694.8d | 666.2d | 922.2g | 893.6e | 3197.3g | 3229.7g | 均值Mean | 1737.8 | 1784.6 | 865.4 | 844.7 | 1040.5 | 1015.0 | 3643.7 | 3644.3 | 年度(Y) | ** | NS | ** | NS | 类型(T) | ** | ** | ** | ** | 播期(S) | ** | ** | ** | ** | 年度×类型(Y×T) | NS | NS | ** | NS | 年度×播期(Y×S) | NS | NS | NS | * | 类型×播期(T×S) | NS | NS | ** | ** | 年度×类型×播期(Y×T×S) | NS | NS | NS | NS |
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