淮北地区优质食味粳稻温光适应性和最佳播种期

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

Temperature and Light Adaptability of High-Quality Japonica Rice and Optimum Seeding Date in Huaibei Region

XU FangFu,BIAN JinLong,HAN Chao,CHEN ZhiQing,LIU GuoDong,XING ZhiPeng,HU YaJie,WEI HaiYan,ZHANG HongCheng

表1 不同播期处理下水稻拔节期、抽穗期和成熟期

Table 1 Date of stem elongation, heading, and maturity of rice under seeding date (M-D)

品种 Variety 处理 Treatment 2017 2018 拔节期 Stem elongation 抽穗期 Heading 成熟期 Maturity 拔节期 Stem elongation 抽穗期 Heading 成熟期 Maturity 南粳2728 Nanjing2728 S1 07-16 08-19 10-14 07-18 08-20 10-12 S2 07-21 08-23 10-19 07-23 08-24 10-16 S3 07-26 08-27 10-24 07-28 08-28 10-21 S4 07-31 08-31 10-28 08-02 08-31 10-25 S5 08-04 09-02 10-31 08-06 09-03 10-29 S6 08-08 09-04 11-06 08-10 09-05 10-31 S7 08-11 09-06 — 08-13 09-07 — 南粳505 Nanjing505 S1 07-16 08-20 10-15 07-18 08-21 10-14 S2 07-21 08-24 10-19 07-23 08-25 10-18 S3 07-26 08-28 10-23 07-28 08-29 10-22 S4 07-31 08-31 10-27 08-02 09-01 10-26 S5 08-04 09-03 10-30 08-06 09-04 10-29 S6 08-08 09-05 11-06 08-10 09-06 11-01 S7 08-11 09-07 — 08-13 09-08 — 南粳9108 Nanjing9108 S1 07-19 08-24 10-20 07-21 08-25 10-19 S2 07-24 08-29 10-25 07-26 08-29 10-23 S3 07-29 09-02 10-29 07-31 09-02 10-27 S4 08-03 09-06 11-02 08-05 09-06 10-31 S5 08-06 09-09 — 08-08 09-09 — S6 08-12 09-11 — 08-14 09-11 — S7 08-15 09-13 — 08-17 09-13 — 福粳1606 Fujing1606 S1 07-23 08-29 10-24 07-25 08-29 10-23 S2 07-28 09-03 10-29 07-30 09-02 10-28 S3 08-02 09-07 11-02 08-04 09-05 10-31 S4 08-07 09-10 11-06 08-08 09-08 11-05 S5 08-11 09-12 — 08-12 09-11 — S6 08-15 09-14 — 08-17 09-13 — S7 08-18 09-16 — 08-20 09-15 —