Corpus ID: 87647705

Potential of using entomop athogenic nematodes in the management of diamondback moth on kale (brassica oleracea var. Acephala)

  title={Potential of using entomop athogenic nematodes in the management of diamondback moth on kale (brassica oleracea var. Acephala)},
  author={J. N. Ounya},
Kale, Drassica oleracea var. acephala L., is one of the most important vegetables grown in Kenya. However, it is prone to serious damage by diamondback moth (DBM), Plutella xylostella L. Extensive and regular use of insecticides to control DBM has led local populations of Plutella xylostella to develop resistance to the commonly used chemicals and exclusion ol natural enemies. This study was carried out with the aim of determining the occurrence ot entomopathogenic nematodes (EPNs) in different… Expand


Conserving the efficacy of insecticides against Plutella xylostella (L.) (Lep., Plutellidae)
The judicious use of chemicals in conjunction with other control measures (e.g. biological control agents, resistant varieties, proper fertilization rates) is the best way to manage DBM and other pests of cruciferous crops. Expand
Biological control of diamondback moth Plutella xylostella (L.), an Indian scenario with reference to past and future strategies
A future strategy in biological control of DBM in India is the integration of inundative releases of the egg parasitoid, T. bactrae, conservation of C. plutellae and spraying of Paecilomyces farinosus (Holmskiold) Brown and Smith or granulosis virus or Greater wax moth nuclear ployhredrosis virus. Expand
Foliar application of the entomopathogenic nematode Steinernema carpocapsae for biological control of diamondback moth larvae (Plutella xylostella)
The results indicate that host penetration on the leaf occurs within the first hour after application, so the major advantage using the formulation is not to enhance nematode survival but rather to provide optimal environmental conditions that support nematodes invasion of the host on foliage. Expand
Factors affecting entomopathogenic nematode infection of Plutella xylostella on a leaf surface
Overall, nematode survival and infectivity to DBM larvae were lower for S. riobravis than for S carpocapsae, and DBM mortality was higher on radish plants (pubescent leaves) than on cabbage plants (glaborous leaves). Expand
Impact of botanical pesticides derived from Melia azedarach and Azadirachta indica on the biology of two parasitoid species of the diamondback moth
Results indicate that these botanical pesticides have the potential to be combined with biological control programs for P. xylostella, and that hind tibia length was found to be significantly shorter in male C. plutellae that emerged from Plutella xylOSTella that had been exposed to syringa extracts. Expand
Assessment of Beauveria bassiana Sprays for Control of Diamondback Moth (Lepidoptera: Plutellidae) on Crucifers
The trials indicate the potential for including B. bassiana in an overall management program for P. xylostella larvae and the fungus, formulated as a wettable powder at 2 rates and as an emulsifiable suspension at a high rate provided significant reductions in larval counts. Expand
Effects of tillage practices on entomopathogenic nematodes in a corn agroecosystem
The nematodes' dissimilar sensitivities to tillage may be partly explained by differences in environmental tolerances and differences in tendencies to disperse deeper in the soil profile. Expand
Predictability in Biological Control Using Entomopathogenic Nematodes
An examination of entomopathogenic nematodes used in inundative releases on turfgrass against Japanese beetle larvae, Popillia japonica Newman, shows that most test failures can be explained on the basis of unsuitable nematode strains or environmental conditions. Expand
Effect of application rates and abiotic factors on Steinernema carpocapsae for control of overwintering navel orangeworm (Lepidoptera: Pyralidae, Amyelois transitella) in pistachios
Abstract The effect of reduced application rate, soil temperature at shallow depth (⩾2.5 cm), and soil type on the efficacy of Steinernema carpocapsae against the navel orangeworm, AmyeloisExpand
Effects of Adjuvants on Entomopathogenic Nematode Persistence and Efficacy Against Plutella xylostella
In field trials, the combination of TX7719 plus Blankophor BBH increased nematode persistence on watercress leaves and efficacy against P. xylostella significantly and the stilbene brightener did not increase nematodes efficacy consistently in greenhouse trials. Expand