行政院農業委員會台南區農業改良場  研究彙報第22號

超甜玉米主要害蟲綜合防治之研究

顏福成

摘  要

顏福成.1988.超甜玉米主要害蟲綜合防治之研究。臺南區農業改良場研究彙報22:25~37。

1.超甜玉米主要害蟲有甜菜夜蛾、玉米螟、玉米穗蟲及玉米蚜蟲等,其中以玉米螟危害最嚴重。

2.核多角體病毒(N.P.V.)Elcar對穗蟲之防除效果佳,但對玉米螟無防除效果。

3.Pay off. Sumicidin. Larvin及Kestrel等對甜菜夜蛾之防除效果良好。

4.蘇力菌Thuricide以注射方式,直接注入果穗頂部對玉米螟及玉米穗蟲之防治效果均佳。

5.超甜玉米各重要害蟲,可使用下列方法行綜合防治:

(1)玉米生育初期,若發現甜菜夜蛾為害時,可噴射Pay off 或Sumicidin或Larvin防除之。

(2)雄花抽穗10∼15日前,用Dursban粒劑逐株均勻施放于心葉部份防除玉米螟。

(3)雄花抽穗期間,拔除有玉米螟蟲之雄花(不宜超過二分之一)燒毀。同時任選上述藥劑一種,或E.P.N.噴灑1∼2次。

(4)果穗抽齊後噴射Pay off 或Sumicidin一次,以防除玉米螟、玉米穗蟲及玉米蚜蟲。

(5)花絲抽齊後用Thuricide灌注於果穗一次,以防除玉米螟及玉米穗蟲。

6.施用此綜合防治法後,其收穫物中各種藥物之殘留劑量,無論果穗或植株上皆在容許量之內。


Studies on the Integrated Control of Key Insect Pests of Super sweet Corn

F. C. Yen 

Summary

1. The key insect pests of super sweet corn were beet army worm (Spodoptera exigua Hubner), corn borer (Ostrinia furnacalis H.) corn ear worm (Helicoverpa armigera Hubner) and corn aphid (Rhopalosiphum maidis F.), while corn borer was the worst one.

2. Elcar showed effective control on corn ear worm but poor on corn borer.

3. Pay off, Sumicidin, Larvin and Kestrel were good for the control of beet army worm.

4. Direct injection of Thuricide solution into corn ears showed good result for controlling corn borer and corn ear worm.

5. The integrated control of key insect pests of super sweet corn could be conducted as follows:

(1) Pay off or Sumicidin or Larvin could be used for the control of beet army worm at the young stage of corn.

(2) Dursban G. was loaded on the top leaves to control corn borer on 10 to 15 days before tasselling.

(3) During the tasselling stage to pluck and burn the injured tassels but no more than one half, to control corn borer.  Where the insecticides EPN or Dursban etc. was sprayed one or two times in the meantime.

(4) To spray Pay off or Sumicidin one time after heading to control corn borer, corn ear worm and corn aphids was necessary.

(5) After silk stage Thuricide was injected into ears one time to control corn borer and corn ear worm.

6. There had no residue problem under the integrated control of super sweet corn.

Research Bulletin of Tainan DAIS 22:25~37



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