[1]张雯,安贵阳,李翠红,等.根系分区交替灌溉对富士苹果光合作用及果实品质的影响[J].西北林学院学报,2010,25(06):33-37.
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根系分区交替灌溉对富士苹果光合作用及果实品质的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第25卷
期数:
2010年06期
页码:
33-37
栏目:
森林生物学
出版日期:
2010-11-30

文章信息/Info

作者:
张雯;安贵阳;李翠红;
西北农林科技大学园艺学院;
关键词:
苹果分区交替灌溉光合作用果实品质
摘要:
以西北农林科技大学白水苹果试验站果园15 a生的红富士苹果为材料,研究了不灌溉(对照)、树盘两侧分区交替灌溉和不分区灌溉3种处理对苹果叶片、新梢生长量等形态指标以及叶片叶绿素含量、净光合速率、蒸腾速率、气孔导度、胞间CO_2浓度等光合指标及产量和果实品质的影响。结果表明:分区交替灌溉较常规灌溉用水量减少了50%;新梢生长量显著降低,叶面积基本保持不变;叶绿素含量无显著性差异,chl(a/b)值出现小幅升高;气孔开度和蒸腾速率显著降低,净光合速率无显著性差异,瞬时水分利用效率显著提高;产量下降4%,总水分利用效率和灌溉水生产效率大幅提高;果形指数显著提高,单果重、硬度、可溶性固形物含量、果实着色率和光洁指数等优于常规灌溉处理。

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备注/Memo

备注/Memo:
基金:陕西省“13115“科技创新工程”陕西省苹果工程技术研究中心”(2008ZDGC-01)
更新日期/Last Update: 2010-11-30