牛茹萱;王晨冰;赵秀梅;王发林;王鸿;

• 1:甘肃省农业科学院林果花卉研究所
• 2:甘肃农业大学园艺学院

摘要(Abstract)：

【目的】探明非耕地日光温室油桃根域限制对冠层特征的影响。【方法】以油桃品种‘中农金辉’为试验材料,在西北地区戈壁非耕地日光温室中测定不同根域限制体积(135 L、225 L、360 L、576 L和对照1 440 L)对油桃树体生长、结果特性的影响,并用CI-110冠层分析仪分析不同处理对冠层特征参数的影响。【结果】L135、L225和L360限根体积处理的树体干径显著低于对照处理(L1440),但仅有135 L处理显著降低了油桃平均单果质量及产量。利用CI-110冠层分析仪分析叶面积指数(LAI)、散射辐射透过系数(TCDP),L135叶面积指数为1.81,显著低于L225(2.02)和L360(2.21)限根处理,L576限根处理的LAI为2.87,与对照处理(L1440)无显著差异。限根栽培限制了树体枝叶生长量,造成L135、L225、L360限根处理的TCDP升高到0.34、0.30和0.25。【结论】L225和L360的限根体积可在适当增大栽培密度的条件下,应用于西北非耕地日光温室桃限根生产栽培。

关键词(KeyWords)： 油桃;非耕地;叶面积系数;果实品质

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(31360467);; 公益性行业(农业)科研专项(201203004);; 果树种质创新与新品种选育(2014GAAS04)

作者(Author): 牛茹萱;王晨冰;赵秀梅;王发林;王鸿;

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DOI:

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