Impact of Ph (hydrogen Ion Concentration) on Efficacy of Endosulfan 0.07% against Spodoptera Litura
نویسندگان
چکیده
The bio-efficacy of endosulfan 0.07% with different quality of water as spray fluid was studied against different larval instars of Spodoptera. litura in laboratory condition. Among the four different quality of water, rain water and river water as spray fluid proved to be most effective while sea water as spray fluid resulted in low per cent mortality in different instars of S. litura, due to of acidic medium and a high electrical conductivity which adversely affected the physical properties and bio-efficacy of endosulfan.
منابع مشابه
Spodoptera litura nuclear polyhedrosis virus (NPV-S) as a component in Integrated Pest Management (IPM) of Spodoptera litura (Fab.) on cabbage
Field tests were conducted to evaluate the effect of Spodoptera litura (Fab.) nuclear polyhedrosis virus (NPVS) alone and in combination with endosulfan and neemarin (neem seed kernel extract) against S. litura in cabbage. Treatment with NPV-S (500 LE/ha) + Endosulfan (625 ml/ha) was better in reducing the larval population and increasing yield than other treatments. However, considering cost b...
متن کاملEfficacy of sub lethal concentration of entomopathogenic fungi on the feeding and reproduction of Spodoptera litura
In the present investigation, impact of sub lethal concentrations of entomopathogenic fungi, namely Isaria fumosorosea, Beauveria bassiana and Paecilomyces variotii, secondary metabolite on feeding, growth, fecundity and hatchability of Spodoptera litura was performed. The S. litura treated with I. fumosorosea and B. bassiana metabolites exhibited renounced food consumption. The growth rate of ...
متن کاملBioefficacy of Flindersine against Helicoverpa armigera Hübner, Spodoptera litura Fabricius, Anopheles stephensis Liston. and Culex quinquefasciatus Say
Flindersine, an alkaloid isolated from Toddalia asiatica, was evaluated for their antifeedant, larvicidal and growth inhibitory activities against Helicoverpa armigera, Spodoptera litura and larvicidal activity against vector mosquitoes Anopheles stephensi and Culex quinquefasciatus. For this, leaf disc no choice method was used for agricultural pests; larvicidal activity was tested on second a...
متن کاملInteractions between Meteorus pulchricornis and Spodoptera exigua Multiple Nucleopolyhedrovirus
Baculoviruses may interact with parasitoids in the same host. A previous study has shown that infection of larvae with Spodoptera litura nucleopolyhedrovirus (SpltNPV) was deleterious to the survival and development of Meteorus pulchricornis (Wesmael) (Hymenoptera: Braconidae). In this paper, the interactions between M. pulchricornis and Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV) ...
متن کاملEfficacy of Spodoptera litura multiple nucleopolyhedrovirus after serial passage through the homologous insect larval host.
An originally isolated baculovirus, Spodoptera litura multiple nucleopolyhedrovirus (SpltMNPV) was serially passed through the S. litura larvae for upto four generations to determine the mean number of occlusion bodies (OBs) harvested per larva and their efficacy in terms of infectivity, feeding cessation and speed of kill of host larvae. The results revealed that the mean number of OBs harvest...
متن کامل