优质水稻新种质ZY56的创制及评价

邱东峰,葛平娟,刘刚,杨金松,陈建国,张再君

Breeding and Evaluation of Elite Rice Line ZY56

DongFeng QIU,PingJuan GE,Gang LIU,JinSong YANG,JianGuo CHEN,ZaiJun ZHANG

表3 ZY56在多个生长地点的温光反应

Table 3 Temperature and photoperiod reactions of ZY56 in multiple growth sites

年份地点 Year and site 播种期（月/日） Sowing date (M/D) 始穗期（月/日） Initial heading date (M/D) 播始历期 Duration from seedling to heading (d) 总积温 Total accumulated temperature (℃) 有效积温 Effective accumulated temperature (℃) 基本营养生长期 Basic vegetative growth period(d) 基本营养生长有效积温 Effective accumulated temperature of basic vegetative growth (℃) 幼穗分化日 Date of spike differentiation (M/D) 幼穗分化 临界光照时长 Critical day length for spike differentiation 幼穗分化期积温 Accumulated temperature in spike differentiation period (℃) 2017荆州 2017 Jingzhou 05/08 08/16 101 2772.0 1560.0 68 945.5 07/15 13 h 56 min 1010.5 2017武汉 2017 Wuhan 05/09 08/11 95 2583.0 1443.0 62 818.0 07/10 14 h 00 min 1021.0 05/20 08/23 96 2672.5 1520.5 63 920.5 07/22 13 h 50 min 996.0 2017武穴 2017 Wuxue 05/18 08/24 98 2750.5 1550.5 67 964.0 07/24 13 h 45 min 982.5 05/30 09/03 96 2696.0 1532.0 64 992.5 08/02 13 h 33 min 935.5 06/12 09/11 92 2569.5 1465.5 59 966.0 08/11 13 h 20 min 895.5 2018枣阳 2018 Zaoyang 04/18 08/04 109 2832.5 1524.5 76 929.0 07/03 14 h 13 min 991.5 2018武汉 2018 Wuhan 05/14 08/22 101 2882.0 1670.0 68 1044.0 07/21 13 h 51 min 1022.0 2018荆州 2018 Jingzhou 05/16 08/23 100 2818.0 1618.0 67 1003.5 07/22 13 h 51 min 1010.5 2018江夏 2018 Jiangxia 05/25 08/20 88 2542.0 1486.0 55 853.0 07/19 13 h 52 min 1029.0 2018陵水 2018 Lingshui 05/09 07/31 84 2435.0 1427.0 51 872.0 06/29 13 h 14 min 951.0 11/27 03/21 115 2492.0 1112.0 85 760.5 02/20 11 h 37 min 711.5 12/01 03/31 121 2631.5 1179.5 91 827.5 03/02 11 h 47 min 712.0