頁籤選單縮合
題 名 | 鳳梨刈葉數及時期對於其纖維及果實產量之影響研究=Study on the Effect of Cutting Leaves at Different Dates with Different Numbers upon the Fiber Production and Fruit Yield of Pineapple(Ananas comosus Merr.) |
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作 者 | 陳梯全; 季景元; | 書刊名 | 中華農學會報 |
卷 期 | 42 民52.06 |
頁 次 | 頁37-42 |
關鍵詞 | 鳳梨; 刈葉數; 果實纖維; 刈葉時期; 果實產量; |
語 文 | 中文(Chinese) |
英文摘要 | Pineapple (Ananas comosus Merr. ) is one of the most important crops in Taiwan. The acreages have been extended to 9,737.18 in 1961 and more than 10,000 hectares in 1962. It still has a tendency to increase year by year. Since the pineapple introduced from mainland about 200 years ago, some of them were cultivated especially for taking fiber from their leaves. Most of fibers were exported to the southern part of mailand as material for making textiles. This condition could not be maintained after the cotton textile with cheap price imported from Japan. In order to study the possibility for decorticating fiber from pineapple leaves after harvesting of fruits with FCES Type-A motor-operating decorticator, yields of pineapple fruit and fiber influenced by cutting leaves at different dates with different numbers of leaf have just been studied from 1959 to 1961. This experiment was established as a 4×3 factorial design with 4 replications. Each plot had 42 plants. The distance between rows and in rows are 35cm ×35cm. There are about 3500 plants per hectare. The middle 20 plants from each plot were used for collection of data. The results are as follows: 1. There is no significant difference for fiber yield among four different dates of cutting leaves. However, the fibers are longer and higher in yield when they are decorticated from leaves cut during harvesting of fruits. 2. There is very significant difference for fiber yield among three different numbers of cutting leaves, that is, the more pineapple leaves cut, the more fiber yield gives. However, the fiber yield from 9 pieces of leaves cut during harvesting of fruits is higher than that from 12 pieces of leaves cut 1 month before harvesting of fruits. 3. When the fiber is decorticated from leaves cut before harvesting of fruits, the younger leaves cut, the lower fiber % gives. However the fiber % will be dropped as a result of cutting old leaves after harvesting of fruits. 4. There is only slight influence for different dataes and numbers of cutting leaves on the percentage of setting fruits. The later will not be dropped even if the number of cutting leaves increases to 12 pieces. 5. Average weight per fruit will be heavier if few number of leaves per plant are cut as earlier as possible. 6. In order to have the higher yield of pineapple fruits and fiber from leaves and convenience of work in Taiwan, nine pieces of leaves are recommended to be cut for fiber during harvesting of fruits. |
本系統中英文摘要資訊取自各篇刊載內容。