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題 名 | 淹水對狼尾草(Pennisetum purpureum)生長之影響=Effects of Waterlogging on Growth of Napiergrass (Pennisetum purpureum) |
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作 者 | 林正斌; | 書刊名 | 中華民國雜草學會會刊 |
卷 期 | 33:1 2012.06[民101.06] |
頁 次 | 頁27-36 |
分類號 | 434.4 |
關鍵詞 | 狼尾草; 淹水; 農藝性狀; 成分; Napiergrass; Waterlogging; Agronomic trait; Chemical component; |
語 文 | 中文(Chinese) |
英文摘要 | The objective of this study was to determine the water tolerance of napiergrass (Pennisetum purpureum), including four cultivars, i.e., Taishu No.1 (cv. TLG1), Taishu No.2 (cv. TLG2), Taishu No.3 (cv. TLG3) and Taishu No.4 (cv. TLG4) unhder waterlogging stress. For the waterlogging treatment, two week-old plants were grown in waterlogging status for 2 weeks, and then were allowed to grow for another 4 weeks before harvest. The waterlogging treatment was conducted with 4 growth cycles within one year. All waterlogging experiments consisting of the complete randomized design (CRD)with 3 replications. The agronomic traits, fresh weight of single plant (FW) and chemical components of the plants were determined. The results showed that the FW of cv. TLG1, TLG2 and TLG4 decreased significantly (p<0.05) after 1st waterlogging. However, no difference of FW was observed between waterlogging treatment and CK after the 4^th waterlogging. The chemical components of the plants were significantly affected by the 2^nd waterlogging treatment. Crude protein (CP) in waterlogged plants was lower than that of CK and water soluble carbohydrate (WSC)was higher than that of CK after the 2^nd waterlogging for 4 cultivars. The contents of CP and WSC for cv. TLG3 were not significantly afftected by waterlogging. The agronomic trait and the fresh weight of cv. TLG3 were less affected by waterlogging treatment. It suggested that cv. TLG3 was more tolerant to waterlogging than the other three cultivates. |
本系統中英文摘要資訊取自各篇刊載內容。