| 橡胶树抗寒高产新品种云研77-4产量和生长的观测 |
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| 引用本文： | 肖桂秀.橡胶树抗寒高产新品种云研77-4产量和生长的观测[J].热带农业科技,1997(3). |
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| 作者姓名： | 肖桂秀 |
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| 作者单位： | 云南省热带作物科学研究所 |
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| 摘 要： | 经苗圃系比、初级系比和适应性系比试验表明：云南省热带作物科学研究所选育的橡胶新品种云研７７—４产量较高、抗寒性较强，副性状良好。１—６割年平均单株产干胶２．６５ｋｇ，为对照ＧＴ１的１２８．６％，抗寒系比区１—７割年平均单株产干胶３．９ｋｇ，为对照ＧＴ１的１５８．５％，生长比ＧＴ１快１６％—１９％，７年可开割，抗寒能力比ＧＴ１强
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| 关 键 词： | 橡胶树 云研77-4 产量 生长 |
Observe and Survey on Yield and Growth of Anticold and High-Yield Rubber New Cultivar,Yunyan 77-4 |
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| Xiao Guixiu.Observe and Survey on Yield and Growth of Anticold and High-Yield Rubber New Cultivar,Yunyan 77-4[J].Tropical Agricultural Science & Technology,1997(3). |
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| Authors: | Xiao Guixiu |
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| Institution: | Tropical Crops Research Institute of Yunnan.Jinghon.666100 |
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| Abstract: | Yunyan77-4 was selected by Tropical Cyops Research Institute of Yunnan .The different grade clone trial show that the new cultivar is anticold and high-yield.The mead dry rubber yields of 1-5 of tapping year in nursery and 1-7 of tapping year on adaptable clone trial are 2.65kg/tree and 3.9kg/tree,respectively.The yields are 128.6% and 158.6% when compared with the control(GT1),respcetively. |
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| Keywords: | rubber tree Yunyan 77-4 yield growth |
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