Brevicoryne brassicae is an aphid species that feeds primarily on crucifers in all temperate and tropical regions of the world. Results comparative study with baythroidtm, neem oil 2% regarding the performance of synthetic insecticides to. Brevicoryne brassicae on four brassica leafy vegetables. Development of insecticide resistance in field populations. Nymph aphids younger than 4 days third instars produced no offspring after parasitism. Cabbage aphids can overwinter as eggs on brussels sprouts, cabbage, and kale. Studies of the ecology of the cabbage aphid brevicoryne brassicae on brassica field crops in canterbury, new zealand i. After incidences of poor control by recommended insecticides, the current study was undertaken to find out the status of insecticide resistance in pakistani b. Studies of the ecology of the cabbage aphid brevicoryne. Pdf on jan 1, 2004, beata gabrys and others published cabbage aphid, brevicoryne brassicae l. Common name mealy cabbage aphid latin name brevicoryne brassicae plants affected cabbage, cauliflower, brussels sprout, swede and other brassicas main symptoms greyish white aphids cluster underneath the leaves and on growing points. This aphid is globally distributed, located in all but the coldest terrestrial habitats.
While present in spring and summer, populations increase by late summer and persist well into the autumn and winter season. As a first step in a search for effective pest management techniques that can be affordable and easily. Commonly, life table parameters have been used to compare insect fitness on different varieties. Epilachna borealis fabricius coleoptera coccinellidae. Flight behaviour of the black bean aphid, aphis fabae, and the cabbage aphid, brevicoryne brassicae, in host and nonhost plant odour. Aphids were taken from a single cabbage plant collected in the field. This amount represents less likely cabbage aphid resistance in.
The host plants of the cabbage aphid, brevicoryne brassicae l, are restricted to. Studies of the ecology of the cabbage aphid brevicoryne brassicae. The average number of mummies produced per female parasitoid was 42. Pdf changes in morphological traits of the cabbage aphid. Fumigant toxicity and nymph production deterrence effect of five essential oils on adults of the cabbage aphid, brevicoryne brassicae l. Conclusive evidence of the properties of plants which determine host selection in aphids has been lacking1. Pull up and compost old plants, because cabbage aphids can overwinter in dead plant tissue.
The parasitoid diaeretiella rapae accepted all stages of the cabbage aphid brevicoryne brassicae. Aphididae, is a key pest of oilseed rape, brassica napus l. Aphididae is regarded as one of the major insect pest of brassica crops throughout the world. Aphids isolated from birth all became wingless, whereas over 50 percent of grouped controls developed wings. Hom aphididae is an important pest of crucifers and is controlled by different insecticides, especially dimethoate. The results of this study indicated that red cabbage was an unsuitable host for feeding of b. Performance of the cabbage aphid, brevicoryne brassicae l. It is important to thoroughly destroy host plant debris through tillage andor rouging. Brassica plants, digestive enzymes activity, life table parameters, plant resistance, the cabbage aphid.
Use of the parasitoid diaeretiella rapae mcintoch to. Aphididae is a serious pest of crucifers in pakistan. Smith, in genetic improvement of vegetable crops, 1993. Cabbage aphids are bluishgrey in colour with a pale powdery waxy coating. Brevicoryne brassicae, a major pest of brassica crops and an. Pathogenicity tests were also conducted which yielded positive results. Susceptibility of myzus persicae, brevicoryne brassicae. Effect of host plant on biology and life table parameters. It can cause total crop loss on brassica leafy vegetables 8.
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. The peach potato aphid, myzus persicae sulzer, 1776, is a generalist species that causes economic losses on many fieldgrown horticultural crops including vegetable brassicas and lettuce. Aphid densities tend to be higher on plants that have an excess of. Diaeretiella rapae did not show preference between young firstsecond instars and old fourth instars nymphs of the aphid. Cabbage aphids are one of several aphid species that can be problematic in canola crops. Lecanicillium longisporum on cabbage aphid brevicoryne. Effect of the cabbage aphid brevicoryne brassicae on total. Cabbage aphid brevicoryne brassicae is an important pest of cabbage in northeast india. Host plant preference and life table of brevicoryne brassicae. Make a choice to feed on brassica napus cultivars article pdf available in insects 103 march 2019 with 62 reads how we measure reads. Cabbage aphid brevicoryne brassicae click for html version summary. Flight behaviour of the black bean aphid, aphis fabae, and the cabbage aphid, brevicoryne brassicae, in host and non. Host plant preference and life table of brevicoryne.
Apterous adult aphids were bioassayed from 2006 to 2010 for their. Isolated wingless cabbage aphids, brevicoryne brassicae l. Agriculture and food research council linked research group in aphid biology, imperial college of science, technology and medicine, london. Aphididae is one of the most abundant canola pest insects, causing economic damage to flowering and podding crops. The cabbage aphid is of agricultural concern because it is a vector of at least 20 viral pathogens that can cause diseases in crucifers and citrus. Its pest status is enhanced by its high reproductive capacity. Aphidicidial activity of seven essential oils against the. Chemical insecticides for efficient control of this pest are often unaffordable for resourcepoor farmers. Factors affecting abundance and damage caused by cabbage aphid. The genetic and morphological differentiation of insect populations in relation to the use of different host plants is an important phenomenon that predates ecological specialisation and speciation in sympatric conditions. Abstract the literature concerning the breeding of brassicas resistant to cabbage aphid brevicoryne brassicae l. Pdf purification and characterization of myrosinase from. Induction of resistance against brevicoryne brassicae by.
Brevicoryne brassicae brvcbroverview eppo global database. Insecticidal activity and biochemical composition of. They are often found in dense clusters underneath the leaves. Cabbage aphid brevicoryne brassicae linnaeus insecta. Canola crop, cabbage aphid, neonicotinoids seed treatment, salicylic acid. This paper concerns three different aphid pests of field vegetable crops. Aphididae, is a serious pest native to europe but now found globally 1,2, and it causes significant losses.
How natural enemies and cabbage aphid brevicoryne brassicae l. Plants in all stages of growth are frequently covered with dense clusters of whitishgreen plant lice. Lamb plant diseases division, department of scientific and industrial research, auckland and a. Brevicoryne brassicae an overview sciencedirect topics. Hafez m 1961 seasonal fluctuations of population density of the cabbage aphid, brevicoryne brassicae l. Two primary species of aphids plant lice attack cole crops. Isolation caused hyperactivity of the corpus allatum. Purification and characterization of myrosinase from the cabbage aphid brevicoryne brassicae, a brassica herbivore. Infestations of these late season insects are typically controlled with foliar applications of.
Laboratory assessment of insecticidal properties of. The cabbage aphid, brevicoryne brassicae is one of the most serious insect pests of cabbage in lesotho. The cabbage aphid brevicoryne brassicae is a serious pest and requires high chemical inputs for adequate control. Effect of the cabbage aphid brevicoryne brassicae on total glucosinolate in the seed of oilseed rape brassica napus. Resistance to cabbage aphid brevicoryne brassicae in six brassica. Preferal wg, and akanthomyces dipterigenus vertalec were evaluated in a laboratory bioassay against peachpotato aphid myzus persicae, cabbage aphid brevicoryne brassicae, and currantlettuce aphid nasonovia ribisnigri. Latematuring brussels sprouts and cabbage are at high risk for damage by cabbage aphids. Etiella zinckenella treitschke lepidoptera pyralidae.
The cabbage aphid, brevicoryne brassicae hemiptera. Morphological light and scanning electron microscopy and molecular characterisation of the fungus revealed it to be lecanicillium longisporum. It is also a vector of over 100 plant viruses including in many important crops. Photograph by lyle buss, university of florida, entomology and nematology department. Flight behaviour of the black bean aphid, aphis fabae, and. Biochemical resistance mechanisms to dimethoate in. Infected aphids were spotted on cabbage plants in meghalaya, india. Because they are similar in life habits and response to treatments, they will be considered together. Population dynamics of cabbage butterfly pieris brassicae. Originally from the palaearctic, this species has invaded almost all parts of north america. Brevicoryne brassicae linnaeus homoptera aphididae.
Harvest brussels sprouts often, because sprouts left too long can serve as aphid nurseries. Cabbage aphid brevicoryne brassicae linnaeus edis university. 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 vegetable garden. Pdf management of cabbage aphid, brevicoryne brassicae l. Aphididae, is a serious pest native to europe but now found globally 1, 2, and it causes significant losses to economically important crops, including broccoli, oilseed rape, brussels sprouts, cauliflower, black and white mustard, toria, chinese cabbage, kale, and other field crops 1. The toxicity of dimethoate in six populations of the pest from different parts of iran was assayed using leafdip method. Uc management guidelines for cabbage aphid on cole. Like its host plants, the aphid produces a myrosinase.
No cultivar was completely resistant to infestation by cabbage butterfly and aphids. The cabbage aphid, brevicoryne brassicae, has developed a chemical defence system that exploits and mimics that of its host plants, involving sequestration of the major plant secondary metabolites glucosinolates. Fumigant toxicity and nymph production deterrence effect. Brevicoryne brassicae l cabbage aphid and myzus persicae sulzer green peach aphid peachpotato aphid. Four biopesticides based on the epf beauveria bassiana botanigard es and naturalis l, cordyceps fumosorosea s. Cabbage aphids have many natural enemies and these can sometimes control low populations.
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