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題名 | 五梨跤不同長度及重量之胎生苗對於苗木生育之影響=Effects of Different Lengths and Weights of Viviparous Seedlings upon Seedlings Growth of Rhizophoara Mucronata |
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作者 | 陳慶芳; | 書刊名 | 嘉義農專學報 |
卷期 | 50 1997.02[民86.02] |
頁次 | 頁19-29 |
分類號 | 436.253 |
關鍵詞 | 紅樹林; 五梨跤; 胎生苗; Mangrove; Rhizophoara mucronata; Viviparous seedling; |
語文 | 中文(Chinese) |
中文摘要 | 以四種不同長度(20∼25cm、26∼30cm、31∼35cm、大於3 5cm)等級與五種不同重量(15∼20g、21∼25g、26∼30g、31∼35 g、大於35g)等級之五梨跤胎生苗,直插於遮光之砂床下,並以淡水澆灌經140天栽 培後,苗木性狀之結果如下: 不同長度胎生苗經140天栽培後,側根乾重及胚根長呈顯著差異,而苗高、根頸直徑、葉 面積、地上部鮮重、側根鮮重、地上部乾重及總乾重則呈極顯著差異;品質指數顯示20∼ 25cm長者與26∼30cm、31∼35cm及大於35cm三種胎生苗發育之苗木品 質有極顯著差異,顯示胎生苗長度在26cm以上者可培育較佳品質之苗木。不同重量胎生 苗間,經140天栽培後,胚根長呈顯著差異,而苗高、根頸直徑、葉面積、地上部鮮重、 側根鮮重、葉數、側根乾重、地下部乾重及總乾重等性狀則呈極顯著差異;品質指數則以大 於35g及31∼35g重者顯著優於26∼30g、21∼25g及15∼20g重者。 |
英文摘要 | The experiment was conducted with a view to study the influence of different lengths and weights of viviparous seedlings on their growth conditions of Four-petaled mangrove. The viviparous seedlings were divided into two types, the length: 20 ∼ 25cm,26 ∼ 30cm,31 ∼ 35cm and >35cm; the weights:15 ∼ 20g, 21 ∼ 25g,26 ∼ 30g,31 ∼ 35g and>35g. The experiment were conducted for 140 days and the results showed that the growth response of different length of seedlings were highly significantly different between lengths 20 ∼ 25cm and seedlings longer than 26cm. The viviparous seedlings longer than 26cm perform the best, suggesting the longer seedlings(>26cm)should be used. The growth response of viviparous seedlings with different weights were significantly different between seedlings>31g and seedlings<30g. |
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