Laboratory assessment of insecticidal properties of. Management of cabbage aphid, brevicoryne brassicae l. The cabbage aphid, brevicoryne brassicae, is a pest of many plants of the brassicaceae family including cabbage, brassica oleracea linnaeus, 1753. Cabbage aphid brevicoryne brassicae is an important pest of cabbage in northeast india. Aphididae, is widely distributed in agricultural regions and is one of the principal pests of vegetables, especially brassicae. In the event of a toxic or transport emergency, call our 24hr toll free number. Induction of resistance against brevicoryne brassicae by. When you see clusters of graygreen aphids on kale, broccoli, cabbage, or brussels sprouts, youre looking at cabbage aphids brevicoryne brassicae, one of the weirdest pests in the. However, initially larger populations on the weed free sprouts became smaller than. African journal of agricultural research host preference.
Population dynamics of the cabbage aphid, brevicoryne brassicae l. Brevicoryne brassicae is an aphid species that feeds primarily on crucifers in all temperate and tropical regions of the world. Nymphs, apterous and alate aphids were significantly different. Susceptibility of myzus persicae, brevicoryne brassicae and nasonovia ribisnigri to fungal biopesticides in laboratory and field experiments article pdf available in insects 111. However, few studies have combined this with a full transcriptomic analysis. Evaluating the effectiveness of botanical sprays in. General information about brevicoryne 1brvcg this website uses cookies our website uses cookies to ensure that we give you the best possible online experience. Toxicity of insecticides to cabbage aphid, brevicoryne. Glossyleaved forms of brussels sprouts and marrowstem kale were found to be highly resistant to aphid, although the resistance appeared to be directly related to the lack of cuticular wax. Brevicoryne brassicae wikispecies, free species directory. Insecticidal activity and biochemical composition of. The cabbage aphid brevicoryne brassicae is a serious pest and requires high chemical inputs for adequate control. Extended phylogenetic analysis of a new israeli isolate of. Infected aphids were spotted on cabbage plants in meghalaya, india.
He projected that when aphid densities averaged one per square inch 0. Four biopesticides based on the epf beauveria bassiana botanigard es and naturalis l, cordyceps fumosorosea s. A new biotype of cabbage aphid, brevicoryne brassicae l. However, initially larger populations on the weed free. The aim of this study was to evaluate the potential of entomopathogenic fungi epf for the control of aphid pests of field vegetable crops. An brevicoryne brassicae in uska species han insecta nga syahan ginhulagway ni linnaeus hadton 1758. Responses of brassica oleracea cultivars to infestation by.
Brevicoryne brassicae virus brbv is a positivestrand genomic rna virus which is unassigned tentative member of the genus iflavirus. Chapman department of entomology lincoln college, canterbury, new zealand abstract the toxicities of. Rape aphids, brevicoryne brassicae linn is the most. Field experiments were conducted in the faculty of agriculture farm, suez canal university. Time from birth to adult was 126 degreedays above a threshold of 6. Brevicoryne brassicae an overview sciencedirect topics. Effect of the cabbage aphid brevicoryne brassicae on. More brevicoryne brassicae colonized brussels sprout plants in bare soil than in weeds. The cabbage aphid, brevicoryne brassicae is one of the most serious insect pests of cabbage in lesotho. Smith 1969 caught more brevicoryne brassicae and other alate aphids in yellow watertraps in a weed free crop of brussels sprouts than in a crop with a weedy background.
A copy of the license is included in the section entitled gnu free. Brevicoryne brassicae on four brassica leafy vegetables. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. Evaluating the effectiveness of botanical sprays in controlling aphids brevicoryne brassicae on rape brassica napus l. Yield losses caused when beet western yellows virus infects canola. This paper concerns three different aphid pests of field vegetable crops. Brevicoryne brassicae brvcbroverview eppo global database. The cabbage aphid brevicoryne brassicae is a serious pest and requires high chemical inputs for. Chemical insecticides for efficient control of this pest are often unaffordable for resourcepoor farmers. Photograph by lyle buss, university of florida, entomology and nematology department.
Toxicity of insecticides to cabbage aphid, brevicoryne brassicae l. Intraspecific variation in resistance or susceptibility to herbivorous insects has been widely studied through bioassays. Insecta, hemimetabola hemiptera, sternorrhyncha, aphidoidea, aphididae common name. The peach potato aphid, myzus persicae sulzer, 1776, is a generalist species that causes economic losses on many fieldgrown. The aphids feed on many varieties of produce, including cabbage, broccoli especially, brussels sprouts, cauliflower and many other members of the genus brassica, but do not feed on plants outside of the family. Proceedings of the entomological society of washington 1083. Aphididae, is a serious pest native to europe but now found globally 1,2, and it causes significant losses to economically important. Host preference and performance of cabbage aphid brevicoryne brassicae were studied on seven brassica varieties under greenhouse. Brevicoryne brassicae on curley kale melige koolluis op boerenkool. Brevicoryne brassicae linnaeus homoptera aphididae.
The cabbage aphid, brevicoryne brassicae hemiptera. Aphididae is one of the most abundant canola pest insects, causing economic damage to flowering and podding crops. Four biopesticides based on the epf beauveria bassiana. Brevicoryne brassicae, commonly known as the cabbage aphid or cabbage aphis, is a destructive aphid plant louse native to europe that is now found in many other areas of the world. Susceptibility of myzus persicae, brevicoryne brassicae. Preferal wg, and akanthomyces dipterigenus vertalec were evaluated in a laboratory bioassay against peachpotato aphid myzus persicae. In insects of hawaii, a manual of the insects of the hawaiian islands, including enumeration of the species and notes on their origin, distribution, hosts. Smith, in genetic improvement of vegetable crops, 1993. A novel virus, brevicoryne brassicae virus brbv, has been identified in the cabbage aphid using a method based on the random amplification of encapsidated rna. Cabbage aphids, brevicoryne brassicae, linnaeus colony or cluster on a cabbage stem. Levels of total glucosinolates compounds known to reduce the nutritive value of rapeseed meal were determined in the seed of oilseed rape, brassica napus l. Wolfenbarger 1967 estimated the impact of aphid densities on cabbage yield. As a first step in a search for effective pest management techniques that can be affordable and easily.
Resistance to the cabbage aphid brevicoryne brassicae. General information about brevicoryne brassicae brvcbr. Effect of temperature on the biological parameters of the. An brevicoryne brassicae in nahilalakip ha genus nga brevicoryne, ngan familia nga aphididae. Brbv was first identified and characterized in the. Genus brevicoryne 1brvcg species brevicoryne brassicae brvcbr. Lecanicillium longisporum on cabbage aphid brevicoryne. Host plant preference and life table of brevicoryne.
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