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2 edition of Sources and mechanisms of host plant resistance to the cabbage whitefly, Aleyrodes proletella (L.), in brassicas found in the catalog.

Sources and mechanisms of host plant resistance to the cabbage whitefly, Aleyrodes proletella (L.), in brassicas

Andrew David Ramsey

Sources and mechanisms of host plant resistance to the cabbage whitefly, Aleyrodes proletella (L.), in brassicas

by Andrew David Ramsey

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Published by University of Birmingham in Birmingham .
Written in English


Edition Notes

Thesis (Ph.D) - University of Birmingham, School of Biological Sciences, Faculty of Science, 1999.

Statementby Andrew David Ramsey.
ID Numbers
Open LibraryOL18496981M

The cabbage whitefly, Aleyrodes proletella, causes serious damage to brassica crops but no references exits to date on the development of this species on tomato. Following an accidental observation of these insects on tomato cv. Moneymaker, 2 assays to analyse A. proletella development on these plants under controlled conditions were conducted in the laboratory. Abstract. This chapter discusses some of the activities and achievements of the Plant Genetic Resources (PGR) Secure project, which aims to: (i) identify host plant resistance to the cabbage whitefly (Aleyrodes proletella) and cabbage aphid (Brevicoryne brassicae) via a germplasm screen where both are specialist phloem-feeding insects that feed only on members of the Brassicaceae family; (ii.

Chapter 1 (Page no: 1) Using phenomics and genomics to unlock landrace and wild relative diversity for crop improvement. This chapter discusses some of the activities and achievements of the Plant Genetic Resources (PGR) Secure project, which aims to: (i) identify host plant resistance to the cabbage whitefly (Aleyrodes proletella) and cabbage aphid (Brevicoryne brassicae) via a germplasm. Cabbage whiteflies, Aleyrodes proletella, were reared on Brussels sprouts (B. oleracea var. gemmifera cv. Cyrus). The whitefly population originated from adults collected in from a white cabbage field in Wageningen, the Netherlands (N 51° 57’, E 5° 38’) and the rearing was situated in a climate chamber at 20±2°C with an LD8.

Whitefly control is difficult and complex, as whiteflies rapidly develop resistance to chemical USDA recommends "an integrated program that focuses on prevention and relies on cultural and biological control methods when possible". While an initial pesticide application may be necessary to control heavy infestations, repeated applications may lead to strains of whiteflies that. The ladybird Clitostethus arcuatus (Rossi) is a specialist whitefly predator easily identified due to the pale horseshoe-shaped marking on the light- to dark-brown elytra. It is native throughout the western Palaeartic particularly around the Mediterranean but not in Scandinavia or the Baltic (Booth & Polaszek, ). In northern Europe, it was historically encountered only on walls, cliffs.


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Sources and mechanisms of host plant resistance to the cabbage whitefly, Aleyrodes proletella (L.), in brassicas by Andrew David Ramsey Download PDF EPUB FB2

The cabbage whitefly Aleyrodes proletella (L.) (Hemiptera: Aleyrodidae) is an important pest of a wide range of vegetable Brassicas. Since the control of Aleyrodes proletella book pest is still challenging, new approaches such as the use of resistant cultivars are required.

For this, we screened 16 commercialised Brussels sprout cultivars for resistance against this : Peter Hondelmann, Christina Paul, Monika Schreiner, Rainer Meyhöfer.

Sources and mechanisms of host plant resistance to the cabbage whitefly, Aleyrodes proletella (L.), in brassicas Resistance in B. spinescens and B. fruticulosa was based on an antibiotic mechanism which significantly reduced the life span of adult whiteflies and increased the mortality of the larval stages.

proletella styletsd id not. Identify resistance mechanisms against the cabbage whitefly Aleyrodes proletella in two Brassica oleracea cultivars Pierre Riviere, MSc thesis; Supervisor: Colette Broekgaarden; Wageningen University, Abstract Whiteflies are phloem feeders that have a long and continuous interaction with the plant leading to specific defense mechanisms.

Previously, a strong source of plant-age dependent resistance to the cabbage whitefly (Aleyrodes proletella) has been identified in the modern white cabbage (Brassica oleracea var. capitata. Host plant resistance towards the cabbage whitefly in Brassica oleracea and its wild relatives chemical characteristics of the leaf, e.g., pH of leaf s, mechanisms of resistance.

strong source of plant-age dependent resistance to the cabbage whitefly (Aleyrodes prole-tella) has been identified in the modern white cabbage (Brassica oleracea var.

capitata) vari-ety Rivera. However, nothing is known about the molecular mechanisms or the genes involved in this resistance. The cabbage whitefly, Aleyrodes proletella, is a pest on various Brassica crops and reduces marketability of especially Kale, Brussels sprouts and Savoy cabbage.

Previously, a strong source of resistance against this whitefly has been identified in the modern white cabbage (Brassica oleracea var. capitata) variety Rivera [ 23 ]. The cabbage whitefly Aleyrodes proletella L. is a serious pest of cabbage varieties such as Brussels sprouts or kale.

Tomato plants express intrinsic and induced defence mechanisms against a. Previously, a strong source of plant-age dependent resistance to the cabbage whitefly (Aleyrodes proletella) has been identified in the modern white cabbage (Brassica oleracea var. capitata) variety Rivera. However, nothing is known about the molecular mechanisms or the genes involved in this resistance.

Previously, a strong source of plant-age dependent resistance to the cabbage whitefly (Aleyrodes proletella) has been identified in the modern white cabbage (Brassica oleracea var.

Information is given about the cabbage whitefly (Aleyrodes proletella), a pest of all leafy brassicas, including cabbage [Brassica oleracea var. capitata], broccoli [B. oleracea var. italica], Brussels sprout [B. oleracea var. gemmifera], kale [B. oleracea var.

viridis], cauliflower [B. oleracea var. botrytis] and Chinese cabbage [B. pekinensis]. The cabbage whitefly (Aleyrodes proletella) is a pest of Brassicas but rarely reaches levels that require intervention. The citrus woolly whitefly (Aleurothrixus floccosus) is found mainly on citrus plants, but also attacks coffee (arabica), guava, eggplant, aubergine, mango, and several wild plants.

Hondelmann P., Paul C., Schreiner M., Meyhöfer R. (): Antibiosis and Antixenosis Host Plant Resistance Mechanisms of Several Brussels Sprout Cultivars Against Cabbage Whitefly (Aleyrodes proletella), insects - special Issue "Integrated Pest Management Strategies for Horticultural Crops", 11, DOI: /insects ABSTRACT: BACKGROUND: The cabbage whitefly, Aleyrodes proletella L., is emerging as a significant pest of field brassica crops in certain regions of the United Kingdom.

In order to investigate the contribution of pesticide resistance to this phenomenon, A. proletella populations were sampled from five different areas in England in and Host plant resistance is the most promising option in controlling cabbage root fly damage.

In a no-choice field test, we evaluated 94 accessions belonging to 16 Brassica-species for antibiosis. Aleyrodes proletella was found for the first time in Australia in January on cabbages, Sonchus oleraceus and Euphorbia peplus. Host Resistance and Immunity - (HH) Cabbage whitefly, Aleyrodes proletella (L.) (Hemiptera: Aleyrodidae), newly discovered in Australia.

1. Introduction. The European cabbage whitefly, Aleyrodes proletella (L.) (Hemiptera: Aleyrodidae), is a polyphagous species that feeds mostly on herbaceous host plants, with a preference for Brassicaceae and to a lesser extent also for Asteraceae (Martin et al., ).Feeding preferences differ even within brassica crops.

Trdan and Papler () observed higher susceptibility of kale than. Host plant resistance can be found in several plant species and in several forms (Smith ; Broekgaarden et al. ), for example, by the presence of a modified epicuticular wax layer on leaves of cabbage (Voorrips et al.

; Znidarcic et al. ), or by the production of specific compounds such as acylsugars that have a negative effect. Resistance to three organophosphate and four pyrethroid insecticides was monitored from to in field populations of adult whiteflies, Bemisia tabaci, from Pakistan using a leaf‐dip was generally a very high resistance to dimethoate and deltamethrin, and a moderate resistance to monocrotophos during to Hondelmann P., Paul C., Schreiner M., Meyhöfer R.

(): Antibiosis and Antixenosis Host Plant Resistance Mechanisms of Several Brussels Sprout Cultivars Against Cabbage Whitefly (Aleyrodes proletella), Special Issue "Integrated Pest Management Strategies for Horticultural Crops" - Insects, 11, DOI: /insects.

Cabbage whitefly (Aleyrodes proletella) Cabbage aphid (Brevicoryne brassicae) Aims of WP1 Finding host plant resistance to the cabbage whitefly and cabbage aphid via a germplasm screen them novel sources of resistance for breeding.The cabbage whitefly [Aleyrodes proletella L.

(Hemiptera: Aleyrodidae)] is becoming a serious pest in Brassica oleracea L. (Brassicaceae) crops. However, almost nothing is known about the interaction of this insect with its host plants.This chapter discusses some of the activities and achievements of the Plant Genetic Resources (PGR) Secure project, which aims to: (i) identify host plant resistance to the cabbage whitefly (Aleyrodes proletella) and cabbage aphid (Brevicoryne brassicae) via a germplasm screen where both are specialist phloem-feeding insects that feed only on.