| 黄土高原南部残塬区苹果花芽生理分化始期调查分析 |
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| 引用本文： | 高绍棠 曹玉美. 黄土高原南部残塬区苹果花芽生理分化始期调查分析[J]. 西北林学院学报, 1993, 8(2): 70-74 |
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| 作者姓名： | 高绍棠 曹玉美 |
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| 作者单位： | 西北林学院园林系，西北林学院园林系，西北林学院园林系 陕西 712100，陕西 712100，陕西 712100 |
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| 基金项目： | 国家“八五”攻关项目“经济林生产潜力及栽培技术研究”课题 |
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| 摘 要： | 通过调查:秦冠乔化树花芽生理分化始期在5月21～22日;秦冠矮化树花芽生理分化始期在5月20日。富士乔化树花芽生理分化始期在5月24日;富士矮化树花芽生理分化始期在5月22日。不同龄级的树,营养枝率不同,但对花芽生理分化始期影响不大。秦冠乔化2O龄树大小年,营养枝率差别较大,但对其花芽生理分化始期无影响。富士乔化6龄树环剥倒贴皮处理,与对照比较,营养枝率差别较大,但对其花芽生理分化始期无影响。
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| 关 键 词： | 苹果 花芽 分化 黄土高原 |
Survey of Initial Physiological Differentiation of Apple Flower Bud in Southern Residual Loess Plateau |
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| Gao Shaotang Cao Yumei Ma Wenbin. Survey of Initial Physiological Differentiation of Apple Flower Bud in Southern Residual Loess Plateau[J]. Journal of Northwest Forestry University, 1993, 8(2): 70-74 |
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| Authors: | Gao Shaotang Cao Yumei Ma Wenbin |
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| Abstract: | Describes the initial physiological differentiation of apple flower buds of arboreous and dwarf Qinguan and Fuji strains in southern residual Loess Plateau. No distinct influence was found in initial physiological differentiation among uneven aged trees with different nutritive twig ratios. Arbor trees of 20 years old Qinguan strain in either bumper or off years with varied nutritive twig ratios initiated flower buds differentiation at the same time . Dwarf Fuji strain treated with girdling and patchied inversely do have considerable effect on nutritive twig ratios in contrast to the control,but no difference was examined on initial flower buds differentiation. |
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| Keywords: | apple flower bud physiological ditlerentiation |
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