Mathematical simulation on relatiouship of mean lethal rate of nuclear polybedrosis virus to its host insect and temperature

Abstract

Abstract: In this paper, the mathematical model describing the relationship of mean lethal rate V(T) of nuclear polyhedrosis virus (NPV) to its host larvae and temperature (T) is drawnas follows: V(T)=ρ(25℃)T/T₂₅exp △H_A^≠/R (1/T₂₅-1/T] / 1+exp[△H_H/R (1+T_1/2H-1/T)] of which, T₂₅ and R are 298.15°K and 8.314J·K^-1·mol^-1; respectively, and P(25℃),△H_A^≠, △H_H and T_1/2H are unknown parameters.The model can well fit to describe therelationship of mean lethal rate of NPV from tea geometrid Ectropis obliqua hypulina to its host larvae infected with the virus at the beginning of each instar and temperature.Itis also fit to simulate the relationship between V(T) and T of Heliothis zea NPV, Calleria mellonella NPV and Anticarsia gemmatalis NPV to their host larvae, respectively.

Key words: Lethal rate, Host larvae, Nuclear polyhedrosis virus, Mathematical model, Temperature

Ye Gongyin, Hu Cui, Lu Chenyin, Li Zichuan . Mathematical simulation on relatiouship of mean lethal rate of nuclear polybedrosis virus to its host insect and temperature[J]. Chinese Journal of Applied Ecology, 1995, 6(1): 56-60.

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Mathematical simulation on relatiouship of mean lethal rate of nuclear polybedrosis virus to its host insect and temperature

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