江淮下游不同播期对稻-麦周年作物产量、品质及温光资源利用的影响

陈天晔, 袁嘉琦, 刘艳阳, 许轲, 郭保卫, 戴其根, 霍中洋, 张洪程, 李国辉, 魏海燕

Effects of different sowing dates on crop yield, quality, and annual light-temperature resources utilization for rice-wheat double cropping system in the lower reaches of the Yangtze-Huaihe Rivers valley

Tian-Ye CHEN, Jia-Qi YUAN, Yan-Yang LIU, Ke XU, Bao-Wei GUO, Qi-Gen DAI, Zhong-Yang HUO, Hong-Cheng ZHANG, Guo-Hui LI, Hai-Yan WEI

表2 播期对小麦主要生育时期的影响

Table 2 Effect of sowing date on main growth and development stages of wheat

播期 Sowing date 出苗期 Seeding stage (month/day) 拔节期 Jointing stage (month/day) 抽穗期 Heading stage (month/day) 开花期 Flowering stage (month/day) 成熟期 Maturity stage (month/day) 总天数 Total days (d) W-I 11/12 3/24 4/5 4/18 6/2 209 W-II 11/23 3/27 4/8 4/19 6/3 200 W-III 12/7 4/1 4/11 4/21 6/5 192