Efficacy of Cymbopogon Schoenanthus L. Spreng (Poaceae) Extracts on Diamondback Moth Damaging Cabbage
نویسندگان
چکیده
منابع مشابه
Diamondback moth: Feeding preference among commercial varieties of head cabbage
Thirty-nine commercial varieties of head cabbage were evaluated for feeding preference of the diamondback moth (DBM), Plutella xylostella, at Kula, Hawaii, USA. Varieties were evaluated for density of caterpillars, extent of feeding damage and percentage of marketable heads. Twelve out of 39 (31%) varieties that showed the least DBM caterpillar damage and produced high percentage of marketable ...
متن کاملEffect of Plant Age on Survival of Diamondback Moth on Two Cabbage Genotypes
Table 1. Percentage of larvae surviving on cabbage cultivar Round Up and diamondback moth-resistant glossy-leafed cabbage NY 2518, and relative resistance of NY 2518 (survival on NY 2518 expressed as a percentage of that on ‘Round Up’) at five plant ages and two inoculation schemes. Knowledge of age-dependent expression of resistance is critical for evaluation of breeding lines and for effectiv...
متن کاملControl of Diamondback Moth by Application of Neem Extracts
Some extracts from neem seeds/neem seed kernels can give satisfactory to good control of diamondback moth, Plutella xylostella (L.), in cabbage and other crucifers. Water extracts prove most effective, sometimes even at low concentrations as low as 12.5 g of seed kernels per liter of water, provided the raw material contains sufficient azadirachtin. Neem could be developed into products suitabl...
متن کاملToxicity of Selected Insecticides (Spinosad, Indoxacarb and Abamectin) Against the Diamondback Moth (Plutella xylostella L.) on Cabbage
Plutella xylostella L. is a most serious of insect pest for cruciferous or Brassica crops throughout the world. The common name of this insect pest is the Diamondback Moth (DBM). Plutella xylostella L. is an oligophagous insect which is feed on the group of botanically plants within the single plant family. This insect has become major serious problem to the crops because it easily and rapidly ...
متن کاملEffect of parasitoid elimination on populations of diamondback moth in cabbage
An insecticidal exclusion method was used to assess the effect of parasitoids on level of infestation by the diamondback moth (DBM), Plutella xylostella (L.) (Lepidoptera: Plutellidae), in cabbage. In field trials conducted at Rietondale, Pretoria, Gauteng Province and Brits, North-West Province, South Africa, a selective organophosphate pesticide, with systemic and contact action, dimethoate, ...
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ژورنال
عنوان ژورنال: Journal of Biofertilizers & Biopesticides
سال: 2012
ISSN: 2155-6202
DOI: 10.4172/2155-6202.10000119