| 红背菜生长动态与产量构成研究 |
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| 作者单位： | 仲恺农业技术学院园艺系
(郑慧明，陆美莲)，仲恺农业技术学院园艺系(蓝新伟) |
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| 摘 要： | 本试验探讨了红背菜生长过程中的出叶速度、不同时期不同叶位叶重的变化、鲜重和干重增长、叶面积变化、叶片和叶柄的变化、叶片和叶柄的重量比例等。 红背菜出叶速度以8—20片叶长出最快,平均每两天约长1片新叶。最重叶的叶位随着生长而变化,对产量和质量影响较大的是第8—23叶位的叶。叶的鲜重和干重呈直线增加。红背菜扦插后40天左右叶数和叶面积增长较快,叶片的重量约为叶柄的8倍。
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| 关 键 词： | 红背菜 生长动态 丰产栽培 |
STUDIES ON THE GROWTH TRENDS AND YIELD COMPOSITION IN GYNURA BICOLOR DC. |
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| Authors: | Zheng Huiming Lou Meilian Lan Xinwei |
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| Institution: | Department of Horticulture |
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| Abstract: | Leafing rates, varitions of leaf weight, wet weight and dry weight of plant in different stage of Gynura were studied.
The greater leafing rates was from 8th-20th leavies which were grew every two days. The greatest weight of varied according to growth, and what had the greatest influence was 8th-23th leaves. Wet and dry weight of leaf increased perpendicularly.
Leafing after cuttaged. the plant grew rapidly in the spring, the number and size of leaf con-tiously increasing and more rapidly at 40 days later. Blades grew faster than stalks in all the stage. The weight of blades was about 8 times as much as that of stalks. |
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| Keywords: | Gynura bicolor DC growth trend high yield cultivation |
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