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树冠光照分布对砂子早生桃果实产量及品质的影响
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摘要:
桃的树冠以自然开心形树形较为合理,叶面积系数以5~6为宜。光分布与果实产量、品质有较为密切的关系。从产量看果实主要分布在相对光强为30.19~41.76%的层间内。果实着色的程度、可溶性固形物与滴定酸的比值随相对光强的增加而增加。
关键词:  桃,光照强度,产量,果实品质
DOI:
基金项目:
IMPACTS OP THE LIGHT DISTRIBUTION OF PEACH CROWN ON THE YIELD AND QUALITY OF EARLY MATURE FRUIT
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Abstract:
In the present study, it is demonstrated that naturaly open center type isa relatively reasonable shape for peach trees, and leaf area indices are betterranged in 5--6. Peach fruit yield and quality are closely related to light distribution. Fromthe view of yield, fruit are mostly distributed in the layer with relative lightintensities at 30. 9--41. 76% .Degrees of fruit coloration and the ratioes of solu-able solid matter to titrated acid increase as relative light intensities increase.
Key words:  Peach,Light,intensity,Yield,Fruit quality

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