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Analysis of Carbon Content in Off-season Flowering and Non-flowering Longan Trees

ISSN号：1000-7091
期刊名称：《华北农学报》
时间：0
分类：S685.13[农业科学—观赏园艺;农业科学—园艺学] S667.2[农业科学—果树学;农业科学—园艺学]
作者机构：[1]Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences / Key Laboratory of Crop Gene Resources and Germplasm Enhancement in Southern China, Ministry of Agriculture / National Cultivar Improvement Center of Tropical Fruit Tree, Danzhou 571737, China, [2]Henan Vocational College of Agriculture, Zhengzhou 451400, China
相关基金：Supported by National Nonprofit Institute Research Grant of CATAS-TCGRI （1630032014017）; Special Fund for Agro-scientific Research in the Public Interest （ 201003021 ） ; China Agriculture Research System （CARS-33-25）.

作者： Ziqin YANG[1], Xingxing CHEN[2], Lei ZHANG[1], Jiwang HONG[1], Songgang LI[1]

关键词：不开花, 龙眼树, 碳含量, 淡季, 成熟叶片, 反季节开花, 开花结果, 身体状况, Longan, Flower induction, Flowering, Carbon

中文摘要：

After flower induction,some longan trees can successfully blossom and bear fruit,while others with similar tree body status can only sprout leaf buds.In order to investigate the main reason for these differences,in this study,off-season flowering and non-flowering longan trees were used as experimental materials to analyze the changes of carbon content in mature leaves,tender leaves,mature shoots,tender shoots and terminal buds of longan trees after flower induction by potassium chlorate. The result showed that carbon content played an important role in flowering process. Off-season longan trees with carbon content in mature leaves reached 50. 93 mg /g could successfully blossom,but those with carbon content in mature leaves lower than 37. 40 mg /g were usually difficult to blossom. In addition,the maturity of tender leaves posed great influence on flowering. Specifically,tender leaves with a higher maturity contained higher carbon content and could easily blossom,which could be used as a new indicator to evaluate flower induction in off-season longan trees.

英文摘要：

After flower induction, some longan trees can successfully blossom and bear fruit, while others with similar tree body status can only sprout leaf buds. In order to investigate the main reason for these differences, in this study, off-season flowering and non-flowering longan trees were used as experimental materials to analyze the changes of carbon content in mature leaves, tender leaves, mature shoots, tender shoots and terminal buds of longan trees after flower induction by potassium chlorate. The result showed that carbon content played an important role in flowering process. Off-season longan trees with carbon content in mature leaves reached 50.93 mg/g could successfully blossom, but those with carbon content in mature leaves lower than 37.40 mg/g were usually difficult to blossom. In addition, the maturity of tender leaves posed great influence on flowering. Specifically, tender leaves with a higher maturity contained higher carbon content and could easily blossom, which could be used as a new indicator to evaluate flower induction in off-season longan trees.

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