拉枝对黔核7号泡核桃叶片营养、成花及坚果品质的影响
S664.1; [目的]探究拉枝对泡核桃(Juglans sigillata Dode)生理生长、成花坐果和坚果品质的影响.[方法]以黔核7号为试材,以自然生长开张角度在30°～35°之间的枝条为对照(CK),设置拉枝60°、90°和110° 3个处理,统计拉枝后枝条的数量和类型、成花数和坐果数,计算坐果率,测定叶片的光合特性、叶绿素含量、叶片的营养元素含量和坚果品质.[结果]拉枝90°时显著提高了黔核7号的总枝条数、短枝数和中长枝数,与对照相比分别提高了 36.8％、64.0％和81.0％;并且,拉枝90°时雌花数、坐果数、坐果率达到最大值,比对照组分别提高了 206.6％、231.1％和1...
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| Published in | 果树学报 Vol. 39; no. 1; pp. 60 - 67 |
|---|---|
| Main Authors | , , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
贵州大学农学院·贵州省果树工程技术研究中心,贵阳550025%赫章县核桃产业发展事业局,贵州赫章553200
10.01.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1009-9980 |
| DOI | 10.13925/j.cnki.gsxb.20210330 |
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| Abstract | S664.1; [目的]探究拉枝对泡核桃(Juglans sigillata Dode)生理生长、成花坐果和坚果品质的影响.[方法]以黔核7号为试材,以自然生长开张角度在30°～35°之间的枝条为对照(CK),设置拉枝60°、90°和110° 3个处理,统计拉枝后枝条的数量和类型、成花数和坐果数,计算坐果率,测定叶片的光合特性、叶绿素含量、叶片的营养元素含量和坚果品质.[结果]拉枝90°时显著提高了黔核7号的总枝条数、短枝数和中长枝数,与对照相比分别提高了 36.8％、64.0％和81.0％;并且,拉枝90°时雌花数、坐果数、坐果率达到最大值,比对照组分别提高了 206.6％、231.1％和14.1％;树体内膛、中部和外围的净光合速率、气孔导度、蒸腾速率、叶绿素a含量、叶绿素b含量、类胡萝卜素含量在拉枝90°时达到最大值,拉枝90°和110°能够显著降低中部和外围叶片的胞间CO2浓度;叶片的N、P、K、Ca、Mg、Fe、Zn元素含量在拉枝90°时也有不同程度的增加;拉枝在不明显改变黔核7号的纵径、横径、果形指数、壳厚、出仁率的情况下,能够促进其核仁质量、蛋白质含量和粗脂肪含量的积累,其中,只有拉枝90°显著增加了黔核7号的单果质量,比对照提高了6.0％.[结论]拉枝90°能够增加黔核7号泡核桃的叶片养分含量,促进成花和坐果,并提高坚果品质. |
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| AbstractList | S664.1; [目的]探究拉枝对泡核桃(Juglans sigillata Dode)生理生长、成花坐果和坚果品质的影响.[方法]以黔核7号为试材,以自然生长开张角度在30°～35°之间的枝条为对照(CK),设置拉枝60°、90°和110° 3个处理,统计拉枝后枝条的数量和类型、成花数和坐果数,计算坐果率,测定叶片的光合特性、叶绿素含量、叶片的营养元素含量和坚果品质.[结果]拉枝90°时显著提高了黔核7号的总枝条数、短枝数和中长枝数,与对照相比分别提高了 36.8％、64.0％和81.0％;并且,拉枝90°时雌花数、坐果数、坐果率达到最大值,比对照组分别提高了 206.6％、231.1％和14.1％;树体内膛、中部和外围的净光合速率、气孔导度、蒸腾速率、叶绿素a含量、叶绿素b含量、类胡萝卜素含量在拉枝90°时达到最大值,拉枝90°和110°能够显著降低中部和外围叶片的胞间CO2浓度;叶片的N、P、K、Ca、Mg、Fe、Zn元素含量在拉枝90°时也有不同程度的增加;拉枝在不明显改变黔核7号的纵径、横径、果形指数、壳厚、出仁率的情况下,能够促进其核仁质量、蛋白质含量和粗脂肪含量的积累,其中,只有拉枝90°显著增加了黔核7号的单果质量,比对照提高了6.0％.[结论]拉枝90°能够增加黔核7号泡核桃的叶片养分含量,促进成花和坐果,并提高坚果品质. |
| Author | 潘学军 樊卫国 江辉 王金金 曹景富 吴浪 蔡虎 张文娥 彭剑 |
| AuthorAffiliation | 贵州大学农学院·贵州省果树工程技术研究中心,贵阳550025%赫章县核桃产业发展事业局,贵州赫章553200 |
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| Author_FL | WU Lang JIANG Hui ZHANG Wen'e PENG Jian CAI Hu WANG Jinjin CAO Jingfu FAN Weiguo PAN Xuejun |
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| Keywords | 泡核桃;拉枝;光合特性;成花;坚果品质 |
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| Title | 拉枝对黔核7号泡核桃叶片营养、成花及坚果品质的影响 |
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