播期对直播水稻产量、花后各器官干物质和氮素积累及转运的影响
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孙琪, 耿艳秋, 金峰, 刘丽新, 郑浣彤, 郭丽颖, 邵玺文
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Effects of Sowing Dates on Yield, Dry Matter and Nitrogen Accumulation and Translocationin Organs after Anthesis of Direct Seeding Rice
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Sun Qi, Geng Yanqiu, Jin Feng, Liu Lixin, Zheng Huantong, Guo Liying, Shao Xiwen
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表2 播期对直播稻抽穗期和成熟期各器官干物质积累量的影响
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Table 2 Effects of sowing dates on dry matter accumulation in various organs of direct seeding rice at heading stage and maturity stage kg/hm2
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年份
Year | 生育时期
Growth stage | 品种
Cultivar | 播期
Sowing date | 茎鞘
Stem-sheath | 叶片
Leaf | 穗
Panicle | 地上部
Aboveground | | 2018 | 抽穗期Heading stage | 白粳1号Baijing 1 | SD1 | 3 210.94c | 1 382.41b | 992.83c | 5 586.18c | | | | SD2 | 5 148.82a | 2 092.75a | 1 900.82a | 9 142.39a | | | | SD3 | 4 508.91b | 1 665.30b | 1 466.75b | 7 640.96b | | | 长白9号Changbai 9 | SD1 | 3 951.23b | 1 877.36a | 1 028.74a | 6 857.33b | | | | SD2 | 4 610.26a | 1 590.16a | 1 482.47a | 7 682.89a | | | | SD3 | 4 164.96b | 1 413.07a | 1 316.49a | 6 894.52b | | | 龙粳31号Longjing 31 | SD1 | 3 482.55b | 1 839.55b | 885.58b | 6 207.68b | | | | SD2 | 4 308.44a | 2 273.16a | 1 254.36a | 7 835.96a | | | | SD3 | 4 138.72a | 2 072.94a | 1 178.59a | 7 390.25a | | 成熟期Maturity stage | 白粳1号Baijing 1 | SD1 | 2 989.08c | 1 132.26b | 5 637.11c | 9 758.45c | | | | SD2 | 4 721.90a | 1 562.48a | 8 230.73a | 14 515.11a | | | | SD3 | 4 155.94b | 1 313.16ab | 6 791.36b | 12 260.46b | | | 长白9号Changbai 9 | SD1 | 3 727.61b | 1 720.80a | 6 576.07c | 12 024.48b | | | | SD2 | 4 286.10a | 1 256.19b | 7 918.24a | 13 460.53a | | | | SD3 | 3 891.43b | 1 126.33b | 7 103.09b | 12 120.85b | | | 龙粳31号Longjing 31 | SD1 | 3 306.72a | 1 526.52a | 6 550.88b | 11 384.12b | | | | SD2 | 3 953.35a | 1 720.58a | 7 497.13a | 13 171.06a | | | | SD3 | 3 816.92a | 1 641.43a | 7 306.17a | 12 764.52ab | | 2019 | 抽穗期Heading stage | 白粳1号Baijing 1 | SD1 | 3 493.33c | 1 268.89c | 638.89c | 5 401.11c | | | | SD2 | 5 196.36a | 2 300.60a | 1 767.27a | 9 264.23a | | | | SD3 | 4 801.23b | 1 483.78b | 1 281.35b | 7 566.36b | | | 长白9号Changbai 9 | SD1 | 4 348.16b | 1 787.45a | 1 014.79a | 7 150.40a | | | | SD2 | 4 715.05a | 1 468.12b | 1 314.21a | 7 497.38a | | | | SD3 | 4 528.64ab | 1 389.63b | 1 257.12a | 7 175.39a | | | 龙粳31号Longjing 31 | SD1 | 2 968.38c | 899.34c | 518.12b | 4 385.84c | 年份
Year | 生育时期
Growth stage | 品种
Cultivar | 播期
Sowing date | 茎鞘
Stem-sheath | 叶片
Leaf | 穗
Panicle | 地上部
Aboveground | | | | SD2 | 4 478.60a | 1 921.97a | 1 207.91a | 8 808.48a | | | | SD3 | 3 561.95b | 1 345.08b | 1 110.24a | 6 017.27b | | 成熟期Maturity stage | 白粳1号Baijing 1 | SD1 | 3 227.77b | 1 157.78b | 5 255.55c | 9 641.10c | | | | SD2 | 4 528.48a | 1 801.21a | 7 278.17a | 13 607.86a | | | | SD3 | 4 414.95a | 1 198.10b | 6 721.26b | 12 334.31b | | | 长白9号Changbai 9 | SD1 | 4 081.97a | 1 677.90a | 4 983.75c | 10 743.62b | | | | SD2 | 4 228.08a | 1 211.64b | 7 112.23a | 12 551.95a | | | | SD3 | 4 190.66a | 1 178.51b | 6 086.43b | 11 455.60a | | | 龙粳31号Longjing 31 | SD1 | 2 771.50b | 814.29c | 4 533.62c | 8 119.41c | | | | SD2 | 3 919.60a | 1 601.42a | 7 164.05a | 12 685.07a | | | | SD3 | 3 283.35b | 1 172.25b | 5 977.68b | 10 433.28b |
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