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題 名 | 水稻褐飛蝨經濟施藥法之比較 |
---|---|
作 者 | 劉達修; | 書刊名 | 臺中區農業改良場研究彙報 |
卷 期 | 5 1981.06[民70.06] |
頁 次 | 頁68-74 |
關鍵詞 | 水稻; 施藥法; 褐飛蝨; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗乃依藥劑形態及施藥器別等擬定數種不同施藥方法,以選出防 治效果最優,收益最高之經濟施藥法,其結果以孕穗中期及齊穗期施用粉劑二次 之效益最高,而孕穗中期施用粒劑一次,再於齊穗期噴粉劑一次之收益亦佳,但 其藥效之良否,則因施用粒劑種類及施藥時期與田間積水情形而異,試驗結果顯 示,施用3% Furadan G,在田間積水較淺之情形下,可得較優之藥效及收益,液 劑處理區之收益偏低,而插秧前施用粒劑,對害蟲棲群及產量似無助益。 |
英文摘要 | Different pesticidal formulations and application methods were tested in the field to select the most effective and economical control measure for the control of the brown planthopper on rice. Results showed that two applications of insecticidal dust, one at mid-booting and the other at the uniform heading stage, gave the most profitable result. The application of a granule at mid-booting and a dust at the uniform heading stage also showed a high profit. Carbofwan. G. 3% when used under shallow water condition, gave a better result in terms of its efficacy and profit. However, application of gramuler before transplanting of rice seedings would do nothing to either pest population or rice yield. And spraying usually gave lower profit. |
本系統中英文摘要資訊取自各篇刊載內容。