拔节期阶段性干旱对小麦茎蘖成穗与结实的影响
李萍,尚云秋,林祥,刘帅康,王森,胡鑫慧,王东

Effects of Drought Stress During Jointing Stage on Spike Formation and Seed Setting of Main Stem and Tillers of Winter Wheat
LI Ping,SHANG YunQiu,LIN Xiang,LIU ShuaiKang,WANG Sen,HU XinHui,WANG Dong
表2 拔节期阶段性干旱对小麦主茎及不同蘖位分蘖幼穗所处的发育进程阶段的影响
Table 2 Effects of staged drought at jointing on development process of young spike of main stem and tillers at different positions of wheat
年份
Year		 品种
Cultivar		 处理
Treatment		 拔节0 d 0 days after jointing stage 拔节5 d 5 days after jointing stage 拔节10 d 10 days after jointing stage
O Ⅰ Ⅱ Ⅲ Ⅰp Ⅳ Ⅱp Ⅰ1 O Ⅰ Ⅱ Ⅲ Ⅰp Ⅳ Ⅱp Ⅰ1 O Ⅰ Ⅱ Ⅲ Ⅰp Ⅳ Ⅱp Ⅰ1
2017-
2018		 山农29
Shannong29		 CK 5 4.5 4.25 4 4 4 3.5 3.5 6 5.5 5 5 5 4.25 4.25 4 7 7 7 6.5 6.5 6 6 5.5
T1 5 4.5 4.25 4 4 4 3.5 3.5 6 5.5 5.5 5 5 4.5 4.25 4 7 7 7 6.5 6.5 6 6 5.5
T2 5 4.5 4.25 4 4 4 3.5 3.5 6 5 5 5 4.5 4.5 4.25 4 7 7 6.5 6 6 6 6 5.5
T3 5 4.5 4.25 4 4 4 3.5 3.5 6 5.5 5.5 5 5 4.5 4.25 4 7 7 7 6.5 6.5 6.5 6 6
T4 5 4.5 4.25 4 4 4 3.25 3.25 6 5 5 5 4.5 4.5 4.25 4 7 7 6 6 6 6 5.5 5
衡0628
Heng0628		 CK 5 4.25 4 4 4 4 3.25 3.25 5.5 5.5 4.5 4.5 4.25 4.25 4 4 7 7 6.5 6.5 6.5 6.5 6 5.5
T1 5 4.25 4 4 4 4 3.25 3.25 5.5 5.5 4.5 4.25 4.25 4.25 4 4 7 7 6.5 6.5 6.5 6.5 6.5 5.5
T2 5 4 4 4 4 4 3.25 3.25 5.5 5 4.5 4.25 4.25 4 4 4 7 7 6.5 6.5 6.5 6 6 5.5
T3 5 4.25 4 4 4 4 3.25 3.25 5.5 5.5 4.5 4.25 4.25 4.25 4 4 7 7 6.5 6.5 6.5 6.5 6 5.5
T4 5 4.25 4 4 4 4 3.25 3.25 5.5 5 4.5 4.25 4.25 4 4 4 7 7 6.5 6 6 5.5 5.5 5
2018-
2019		 山农29
Shannong29		 CK 4.5 4.25 4 4 4 3.5 3.5 3.25 6 5.5 5 5 5 4.5 4.25 4.25 7 7 6.5 6.5 6.5 6 5.5 5
T1 4.5 4.25 4 4 4 3.5 3.5 3.25 6 5.5 5.5 5 5 4.5 4.25 4.25 7 7 6.5 6.5 6.5 6 5.5 5
T2 4.5 4.25 4 4 4 3.5 3.5 3.25 6 5 5 5 4.5 4.5 4.25 4 7 7 6.5 6 6 6 5.5 5
T3 4.5 4.25 4 4 4 3.5 3.5 3.25 6 5.5 5.5 5 5 4.5 4.25 4.25 7 7 6.5 6.5 6.5 6.5 5.5 5
T4 4.5 4.25 4 4 3.5 3.5 3.25 3 6 5 5 5 4.5 4.5 4.25 4 7 7 6.5 6 6 5.5 5.5 5
衡0628
Heng0628		 CK 4.25 4.25 4 4 4 4 3.25 3.25 6 5.5 4.5 4.5 4.25 4.25 4 4 7 6.5 6.5 6.5 6.5 6 5 5
T1 4.25 4.25 4 4 4 4 3.25 3.25 6 5.5 4.5 4.25 4.25 4.25 4 4 7 6.5 6.5 6.5 6.5 6 5.5 5
T2 4.25 4.25 4 4 4 4 3.25 3.25 6 5 4.5 4.25 4 4 4 3.5 7 7 6.5 6.5 6.5 6 5 5
T3 4.25 4.25 4.25 4 4 4 3.25 3.25 6 5.5 4.5 4.25 4.25 4.25 4 4 7 7 6.5 6.5 6.5 6.5 5 5
T4 4.25 4.25 4.25 4 4 4 3.25 3.25 6 5 4.5 4.25 4 4 4 3.5 7 7 6 6 6 5 5 5