化学封顶对棉花株型的调控及评价指标筛选

祝令晓,刘连涛,张永江,孙红春,张科,白志英,董合忠,李存东

The Regulation and Evaluation Indexes Screening of Chemical Topping on Cotton’s Plant Architecture

ZHU LingXiao,LIU LianTao,ZHANG YongJiang,SUN HongChun,ZHANG Ke,BAI ZhiYing,DONG HeZhong,LI CunDong

表3 2015—2016年不同打顶处理对棉花果枝性状的影响

Table 3 Effect of different topping treatments on fruiting branches character in 2015-2016

品种 Cultivar 处理 Treatment 2015 2016 果枝数 Fruiting branches number 果节数 Fruiting node number 上部果枝长度 Fruiting branches length (cm) 近远端直径比 Diameter ratio of near and far branches 果枝数 Fruiting branches number 果节数 Fruiting node number 上部果枝长度 Fruiting branches length (cm) 近远端直径比 Diameter ratio of near and far branches JM863 MT 14.58±0.64c 84.71±6.12b 20.47±1.22a 1.40±0.01b 14.50±0.65c 81.80±7.89c 15.90±1.47a 1.30±0.04b CT 16.83±1.28b 95.64±10.12a 14.48±2.33b 1.47±0.06b 16.17±1.62b 84.20±6.55bc 10.06±0.82c 1.38±0.05ab NT 18.50±1.12a 98.64±7.98a 19.69±1.15a 1.66±0.06a 17.58±1.26a 99.90±7.23a 11.56±0.70b 1.47±0.03a ND601 MT 14.20±0.45c 79.74±3.56c 23.01±2.74a 1.35±0.03c 14.58±0.64c 87.15±4.55b 19.65±1.31a 1.24±0.02c CT 17.60±0.89b 84.66±7.87b 13.82±1.84c 1.47±0.03b 16.83±1.28b 88.80±7.89b 9.76±0.58c 1.40±0.06b NT 21.60±0.55a 91.64±9.99a 17.70±0.89b 1.65±0.02a 18.50±1.12a 91.46±9.11a 12.79±0.83b 1.51±0.05c