张建光, 刘玉芳, 孙建设, 施瑞德. 苹果套纸罩对防止果实日灼的效应[J]. 中国生态农业学报(中英文), 2005, 13(3): 99-100.
引用本文: 张建光, 刘玉芳, 孙建设, 施瑞德. 苹果套纸罩对防止果实日灼的效应[J]. 中国生态农业学报(中英文), 2005, 13(3): 99-100.
ZHANG Jian-Guang, LIU Yu-Fang, SUN Jian-She, LARRY Schrader. Effect of paper cone shading on preventing apple fruits from sunburn[J]. Chinese Journal of Eco-Agriculture, 2005, 13(3): 99-100.
Citation: ZHANG Jian-Guang, LIU Yu-Fang, SUN Jian-She, LARRY Schrader. Effect of paper cone shading on preventing apple fruits from sunburn[J]. Chinese Journal of Eco-Agriculture, 2005, 13(3): 99-100.

苹果套纸罩对防止果实日灼的效应

Effect of paper cone shading on preventing apple fruits from sunburn

  • 摘要: 试验结果表明,“嘎拉”和“乔纳金”树冠外围果实套纸罩可减弱果实受光强度2/3左右,生长季晴天果实日表面最高温度降低7℃以上,果实日灼率由45%左右降为7%~11%左右。苹果果实日灼易发区在其树冠西南面应适当多留内膛果和半遮荫果,外围裸露果则可套纸罩保护,时间以5月中下旬进行为宜。

     

    Abstract: Experimental study shows that the paper cone shading of fruits in periphery of tree crown can significantly reduce the light reception by 2/3 by fruit,resulting in a decrease of fruit surface temperature(≥7℃).So the sunburn percentage is lowered dramatically.In addition,the paper cone shading should be conducted in mid or late May for the fruit on southwest canopy.In the areas where sunburn app ears frequently,partly or completely shaded fruits should be remained during fruit thinning.

     

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