| 抗寒脐橙“赣华79—9新生系”的选育及生物学特性与适应性研究 |
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| 引用本文： | 邓毓华,李凡.抗寒脐橙“赣华79—9新生系”的选育及生物学特性与适应性研究[J].江西农业大学学报,2001,23(4):473-477. |
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| 作者姓名： | 邓毓华 李凡 |
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| 作者单位： | 1. 江西农业大学农学院,江西南昌,330045
2. 南昌市科委,江西南昌,330006 |
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| 摘 要： | 脐橙（Citrus sinensis(L)osbeck)赣华79－9新生系，是1979年由华盛顿脐橙自由授粉的种子，播种出苗后从多胚多苗中选出的珠心苗，该新生系1982年开始挂果，果实高圆球形，橙黄色，色泽鲜艳，无核，果大，质优，有香气，果实于11月中下旬成熟，座果率较华励顿脐橙高，特别是抗寒性和耐湿性均强，1979－2000年20多年来，经过4次严寒大冻的考验，同园或附近的温州密柑和Beng柑都被冻死（1991年冬）或遭受严重冻害，而赣华79－9则无冻害或冻害较轻，通过抗寒性的测定，其结果表明：赣华79－9新生系叶片内积累的ABA比Beng柑和温州蜜柑数值都大，内源GA3的含量始终保持较低的水平，进一步证明该新生系抗寒性强，生产实践也证明其抗寒性和耐湿性均强，适应性也广。
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| 关 键 词： | 脐橙 赣华79－9新生系 抗寒性 耐湿性 座果率 选育 生态适应性 |
| 文章编号： | 1000-2286(2001)04-0473-05 |
| 修稿时间： | 2001年10月8日 |
A Study on the Biological Characteristics and Adaptability of Cold-resistant Navel Orange"New Cultivar Ganhua 79-9 |
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| DENG Yu-hua ,LI Fan.A Study on the Biological Characteristics and Adaptability of Cold-resistant Navel Orange"New Cultivar Ganhua 79-9[J].Acta Agriculturae Universitis Jiangxiensis,2001,23(4):473-477. |
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| Authors: | DENG Yu-hua LI Fan |
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| Institution: | DENG Yu-hua 1,LI Fan 2 |
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| Abstract: | New cultivar "Ganhua 79-9" Navel orange (Citrus sinensis osbeck) was selected in 1979 from the nucellus embryo seedlings from the seeds of Washington Navel Orange which were produced by free pollintion. The new cultivar began to fruit in 1982, with high-round shape, orange-yellow colour, seedless, big fruit, good quality and flavour. The fruit ripen in middle-late November, fruit-setting ratio is higher than that of Washington Navel Orange. Moreover, its cold resistance and wet tolerance are very strong. During 1979 to 1999, resisted four heavy freezes, with no or little freeze injury, but Mandrin and Ponkan in the same or near orchards were severely frozen even to death. Through the determination of cold resistance, its ABA content in its leaves is higher than that of Mandrin and Ponkan, and its internal GA 3 content has a constant lower level. Its practical production shows strong wet tolerance and wide adaptability. |
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| Keywords: | Navel Orange new cultivar Ganhua 79-9 cold-resistance wet-tolerance fruit-setting ratio |
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