頁籤選單縮合
題 名 | 春植蔗田內五種蔗螟幼蟲與蛹數之發生消長=Seasonal Occurrence of Larvae and Pupae of Five Borer Species in Spring Cane |
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作 者 | 鄭文義; 陳先明; 王瑞圖; | 書刊名 | 臺灣糖業研究所研究彙報 |
卷 期 | 163 1999.03[民88.03] |
頁 次 | 頁1-17 |
分類號 | 434.718 |
關鍵詞 | 春植蔗田; 螟害枯心; 螟害節間; 蔗螟幼蟲與蛹數; 白螟; 黃螟; 條螟; 二點螟; 紫螟; Spring cane; Dead hearts; Damaged internodes; Borer larvae and pupae; Scirpophaga nivella; Argyroploce schistaceana; Proceras venosatus; Chilotraea infuscatella; Sesamia inferens; |
語 文 | 中文(Chinese) |
中文摘要 | 在73/74至82/83共10個年期春植F160蔗田,自甘蔗萌芽整齊至採收前為止,每兩週一次在208m�揚捫n內割取枯心採集其內之蔗螟幼蟲與蛹,同時在104m�揚捫n內逢機選取30支蔗株,同樣採集蛀入節間之蔗螟幼蟲與蛹,結果203次枯心數調查採獲1,865隻蔗螟幼蟲與197隻蛹,199次螟害節間數調查採獲110隻幼蟲與5隻蛹。其中,白螟377隻(內2隻蛹),以四月上半月至五月上半月之幼蔗期之採獲數最多,平均每次每公頃293-361隻,其次為六月上半月至八月上半月之每公頃78-192隻。黃螟95隻(內9隻蛹),三月下半月至五月下半月間有一世代,但每公頃僅採獲0-43雙,六月中另有一個世代,每公頃204隻,七月下半月至九月下半月間又有第三個高峰,每公頃203-259隻,十月上半月至次年二月上半月間有多個世代且出現每公頃943隻之最高峰。條螟148隻(內3隻蛹),主要為害成蔗期,六月上半月每公頃95隻,七月下半月至九月上半月間出現每公頃2,084隻之最高峰。二點螟1,517隻(內187隻蛹),二月下半月第一次調查即出現在幼蔗期之最高峰,每公頃1,058隻,其後自幼蔗採獲之蟲數減少,六月開始自螟害節間採獲,於八月下半月出現每公頃3,195隻之最高採獲數。而以紫螟之40隻(內1隻蛹)最少,僅佔全部採獲數之1%,且似集中出現於六至八月間。 |
英文摘要 | The larvae and pupae of five borer species were collected from both dead hearts of a 208-m�� area and damaged internodes of 30 stems sampled from 104-m�� area once every 2 weeks at the experiment farm of the Taiwan Sugar Research Institute in the 1984/85 to 1993/94 spring canes for studying their seasonal occurrences. The survey showed that 375 larvae and 2 pupae of Scirpophaga nivella, 86 larvae and 9 pupae of Argyroploce schistaceana, 145 larvae and 3 pupae of Proceras venosatus, 1,330 larvae and 187 pupae of Chilotraea infuscatella, and 39 larvae and 1 pupa of Sesamia inferens were collected. Seasonal occurrences of the five borer species are discussed and shown in Figs. 1 to 5. |
本系統中英文摘要資訊取自各篇刊載內容。