담배거세미나방을 인공사료로 사육했을 경우 경과일수는 약 42일(강낭콩잎 사육은 37.9일)이었고 담배거세미나방 유충 핵다각체병 바이러스의 LC50은 1,3,5령에 대해 각각 5.04×102, 4.48×103, 4.52×104 다각체/ml이었으며, LC50은 1 령은 1.1×105 다각체/ml에서 7.1일, 3 령은 1.1×106 다각체/ml에서 7.7일, 5령은 1.1×107 다각체/ml에서 7.0일로 나타났다. 1 령유충은 비교적 고농도인 105-6 다각체/ml로 접종했을 때 2-4령기, 3 령의 경우는 107 다각체/ml 농도에서 100% 치사되었고, 병사충은 5 령때 발생했다. 담배거세미나방은 A. californioca MNPV, S. littoralis MNPN 및 T. ni MNPV에 의해 병원성이 나타났으며, 1.1×107 다각체/ml로 접종했을 때 각각 92.0, 92.0, 60.0%의 사충율을 보였다.

Rearing of Spodoptera litura fed on arfificial diet basically formulated with kindby bean powder was much promisible for production of S. litura nuclear polyhedrosis virus(SINPV) than that on kidney bean leaves. The LC50 of SINPV against 3rd and 5th instar were 4.48×103 PIB/ml and 4.52×104 PIB/ml, respectively. The LC50/TEX of SINPV varied from 5.8 days to 7.7 days at higher inocula in the testes. The larval growth of 1st and 3rd instar larvae fed on virus were much delayed and the larval were killed within 4th instar in the former and within 5th instar in latter. S. litura larvae were very susceptible to multinucleocapsid nuclear polyhedsosis virus (MNPV) of Autographa californica, S. littoralis and Trichoplusia ni.

• 任大準
• 朴範錫
• 陳炳來
• 崔鐀文
• 姜錫權