滴灌模式对苹果光合特性、产量及灌溉水利用的影响

刘星,曹红霞,廖阳,周宸光,李黄涛

Effects of Drip Irrigation Methods on Photosynthetic Characteristics, Yield and Irrigation Water Use of Apple

LIU Xing,CAO HongXia,LIAO Yang,ZHOU ChenGuang,LI HuangTao

表2 滴灌方式和灌水量对苹果树冠层结构参数的影响

Table 2 Effects of drip irrigation methods and irrigation amount on canopy structure parameters of apple trees

冠层指标 Canopy index 滴灌方式 Drip irrigation 灌水量 Irrigation amount 开花后天数 Days after flowering (d) 2018 2019 20 80 140 20 80 140 叶面积指数 Leaf area index BDI W1 1.19abc 1.79bcd 2.08bc 1.19bc 1.77abcd 2.06b W2 1.13c 1.71cd 2.12bc 1.06d 1.66cd 2.08b W3 1.12c 1.73cd 1.94d 1.19bc 1.71bcd 1.96bc ADI W1 1.24ab 1.81abc 2.13b 1.27ab 1.81abc 2.03bc W2 1.27ab 1.92a 2.24a 1.35a 1.92a 2.35a W3 1.17bc 1.76bcd 2.04c 1.15cd 1.87ab 1.95bc UDI W1 1.28a 1.86ab 2.05bc 1.25b 1.82abc 2.05bc W2 1.17bc 1.8abc 1.92d 1.11cd 1.81abc 1.9bc W3 1.10c 1.67d 1.86d 1.18bc 1.62d 1.87c 叶倾角 Leaf inclination BDI W1 23.59a 18.43b 16.89ab 23.44a 19.11a 17.02a W2 23.46a 17.3cd 16.68abc 22.98a 17.12c 16.97a W3 22.27bc 16.01e 14.19f 22.61ab 15.72e 14.48b ADI W1 23.27ab 17.71bc 17.30ab 24.17a 18.01b 17.34a W2 21.72cd 19.57a 17.36a 22.23b 19.44a 17.79a W3 20.32e 16.26de 15.60de 19.63c 16.24de 14.81b UDI W1 23.44a 16.80cde 16.38bcd 22.48ab 17.04cd 16.84a W2 20.15e 16.68cde 15.83cde 20.30c 16.89cd 15.59b W3 20.96de 16.40de 14.97ef 19.33c 16.7cd 15.51b 丛生指数 Clumping index BDI W1 0.80a 0.74ab 0.60ab 0.77ab 0.76a 0.66a W2 0.65bcd 0.63d 0.58ab 0.71bc 0.66ab 0.53cd W3 0.63cd 0.61d 0.55bc 0.67c 0.57b 0.52d ADI W1 0.71b 0.71bc 0.59ab 0.75ab 0.73c 0.56bcd W2 0.62d 0.60d 0.50c 0.66c 0.61c 0.52d W3 0.61d 0.53e 0.49c 0.56d 0.53cd 0.42e UDI W1 0.81a 0.78a 0.63a 0.82a 0.80cd 0.57bcd W2 0.71b 0.71bc 0.61ab 0.71bc 0.65de 0.59bc W3 0.70bc 0.65cd 0.57ab 0.67c 0.62e 0.62ab 叶面积指数 Leaf area index 叶倾角 Leaf inclination 丛生指数 Clumping index 开花后天数 Days after flowering (d) 开花后天数 Days after flowering (d) 开花后天数 Days after flowering (d) 2018 2019 2018 2019 2018 2019 20 80 140 20 80 140 20 80 140 20 80 140 20 80 140 20 80 140 滴灌方式Method ns * * ns * ** ns * ** ns ns * ns ** * ns * ns 灌水量Irrigation amount * * ns ns * ** ns * ** ns * ** ** ** * ** ** * 滴灌方式×灌水量 Method×Irrigation amount ns ns * ns ns ** ns ns * ns ns * ns ns ns ns ns ns