生育约束型直播水稻生育特征与稳产关键技术
张洪程,邢志鹏,翁文安,田晋钰,陶钰,程爽,胡群,胡雅杰,郭保卫,魏海燕

Growth Characteristics and Key Techniques for Stable Yield of Growth Constrained Direct Seeding Rice
ZHANG HongCheng,XING ZhiPeng,WENG WenAn,TIAN JinYu,TAO Yu,CHENG Shuang,HU Qun,HU YaJie,GUO BaoWei,WEI HaiYan
表4 种植方式对水稻主要生育时期茎蘖数和成穗率的影响
Table 4 Effects of planting methods on tiller number and effective panicle percentage at main growth stages of rice
品种类型
Variety type
种植方式
Planting
method
基本苗
Basic seedlings
(×104 hm-2
拔节期
Jointing
(×104 hm-2
抽穗期
Heading
(×104 hm-2
成熟期
Maturity
(×104 hm-2
成穗率
Percentage of
productive tiller (%)
常规粳稻
JCR
机插 MT 75.8 473.9b 366.6b 356.8b 75.3a
直播 DS 90.0 519.0a 385.0a 366.5a 70.6b
籼粳杂交稻
JIHR
机插 MT 50.5 329.9b 254.8b 248.2b 75.3a
直播 DS 60.0 359.7a 266.3a 254.5a 70.8b
杂交籼稻
IHR
机插 MT 50.5 380.2b 282.8b 276.1b 72.7a
直播 DS 60.0 413.4a 296.7a 283.3a 68.5b