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題名 | PE覆膜處理對甘藷健康種苗生產及甘藷蟻象危害之影響=Effects of Covering PE Plastic on the Production of Sweet Potato Seedings and Infestation of Sweet Potato Weevil |
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作者 | 羅淑芳; 黃哲倫; 黃守宏; | 書刊名 | 作物、環境與生物資訊 |
卷期 | 11:3 2014.09[民103.09] |
頁次 | 頁169-176 |
分類號 | 434.31 |
關鍵詞 | 甘藷; PE覆膜; 健康種苗; 甘藷蟻象; Sweet potato; PE plastic coating; Healthy seedling; Sweet potato weevil; |
語文 | 中文(Chinese) |
中文摘要 | 以甘藷「台農57號」及「台農66號」健康種苗為材料,種植時在土壤畦表進行黑色PE塑膠布覆膜(蓋)及無覆膜(蓋)土壤的處理。在種植前期的3個月平均溫度皆低於20℃,5個月後調查植株地上部及地下部性狀,結果顯示土壤有覆膜者兩品種不論每株最長蔓長(cm)、大於80 cm或30 cm蔓數、先端苗數量、蔓重(g)、塊根數及塊根重等均顯著高於無覆膜者,其中又以「台農57號」有覆膜者植株生長勢最旺盛。計算兩品種每分地的先端苗數量,其覆膜者較無覆膜者高出41.6-90%,以先端苗每捆400苗重計算,則覆膜者每捆的重量顯著高於無覆膜者之重量。因此,顯示覆膜處理能有效增加甘藷苗之數量與質量。而在甘藷蟻象危害率上,有覆膜塑膠布之處理方式,對甘藷蟻象之危害亦具有明顯抑制效果。由此試驗結果,顯示「台農57號」與「台農66號」在低溫環境下利用黑色PE膜覆蓋表土,能有效提高健康種苗生產的數量與品質。 |
英文摘要 | The healthy seedlings of sweet potato cultivars ‘Tainung No.57 (TNG57)' and 'Tainung No.66 (TNG66)' were used as experimental materials, and covering of black PE plastic on furrow surface and no cover were used as treatments for this study. During growth period, average temperature of the first 3 months was under 20℃. After 5 months of plant growth, the agronomic traits of foliage and tuber (storage root) were measured. The results showed that the maximum vine length, the vine length longer than 80 cm or 30 cm, the amounts of initial part of seedlings, vine weight, the number of tubers and tuber weight of two varieties grown under coverage of black PE plastic were higher than those of no cover treatment. Comparing two sweet potato varieties, 'TNG57' had higher growth vigor than 'TNG66', particularly to PE plastic furrow cover treatment. Calculating the amounts of initial part of seedlings from two varieties, the treatment covered with black PE plastic was 41.6-90% higher than that of no cover treatment. The average weight of 400 initial part of seedlings from PE plastic coverage was higher than that of no coverage. Accordingly, the treatment of black PE plastic cover increased the amounts and quality of sweet potato seedling significantly. As for the infestation of sweet potato weevil ["Cylas formicarius" (Fabricius)], results showed that PE plastic cover treatment reduced tuber damage. As a result, cultivars 'TNG57' and 'TNG66' grown under black PE plastic cover treatment in a low temperature condition would increase the amounts and quality of sweet potato seedlings effectively. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。