2 edition of Breeding for partial resistance to downy mildew in peas found in the catalog.
Breeding for partial resistance to downy mildew in peas
by Dept. of Plant Breeding Research, Swedish University of Agricultural Sciences in Svalöv
Written in English
|The Physical Object|
|Pagination||94 p. :|
|Number of Pages||94|
Higher levels of resistance are needed to reduce the need for fungicides. The objective of this study was to identify new sources of resistance to downy mildew among Plant Introduction accessions from the U.S. National Plant Germplasm System, elite cultivars, and breeding lines of by: Rob Pyne 1, Kathryn Homa 1,2, Bill Barney 1,2, Andy Wyenandt 1, and Jim Simon 1 1 Department of Plant Biology and Pathology, Rutgers University 2 IR-4 Program. In a basil variety and breeding line trial was conducted as an initial screen for potential sources of genetic resistance to downy mildew caused by Peronospora belbahrii, a destructive .
This video is on Downy mildew disease of vegetable pea from Govind Ballabh Pant University of Agriculture & Technology Pantnagar. Evaluating resistance to Downy Mildew is a major goal of the trials. DM started showing up in our fields in mid July and is now widespread. Our trials were all planted late to expose plants to more Downy Mildew. Winter Squash: We are evaluating 48 varieties for Downy Mildew resistance, productivity, flavor, sweetness and keeping quality.
North Carolina State University has had a breeding program on cucumber (Cucumis sativus L.) for more than half a program was established by Warren Barham in Richard Lower was hired in to work on pickling cucumbers. Identification of a constitutive 45 kD soluble protein associated with resistance to downy mildew in muskmelon (Cucumis melo L.) line PI F. Physiol. Mol. Plant Pathol. 41, – Cohen, Y., and Eyal, H. (). Downy mildew-, powdery mildew- and fusarium wilt-resistant muskmelon breeding line PIF. Phytoparasit –Cited by:
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Get this from a library. Breeding for partial resistance to downy mildew in peas. [Rolf Stegmark]. Selection for partial resistance to downy mildew in peas by means of greenhouse tests.
Summary. A partially downy mildew resistant pea line was back-crossed to a susceptible cultivar with more pods per node and lower seed weight. Breeding lines with different degrees of infection in a greenhouse test were by: 7.
grapevine downy mildew, disease-resistant variety, Rpv1, Rpv3: DOI: /ActaHortic Abstract: Downy mildew, caused by Plasmopara viticola, is a highly destructive disease of grapevine.
In recent decades, European breeding programs for disease resistance have led to the creation of new cultivars resistant to downy mildew. RECENT RESEARCH ON DOWNY MILDEW RESISTANCE USEFUL FOR BREEDING INDUSTRIAL - USE SUNFLOWERS Felicity VEAR, Frédéric SERRE, Sylvie ROCHE, Pascal WALSER, made for the use of partial resistance in breeding programmes.
Partial resistance to downy mildew has been studied in France sincein a collaboration Cited by: Downy mildew is a major grapevine disease caused by the biotrophic oomycete, Plasmopara us disease resistance studies of diverse Vitis germplasm have been previously carried out to identify downy mildew resistance sources; however, ratings were mainly reported using leaf disc in vitro testing and foliage field assessment, or upon leaf and Cited by: A partially downy mildew resistant pea line was back-crossed to a susceptible cultivar with more pods per node and lower seed weight.
Breeding lines with different degrees of infection in a. Authors: R. Eibach, E. Zyprian, R. Töpfer: Keywords: downy mildew, powdery mildew, Vitis, resistance, marker assisted selection, breeding DOI: /ActaHortic Abstract: The practical application of pyramidizing resistance genes by the use of molecular markers was investigated in an F1 progeny derived from the cross of ‘VHR ’ x ‘Regent’.
and in developing artificial screening techniques, identifying sources of resistance, breeding for disease resistance, and developing alternative control measures.
This bulletin has been prepared to communicate the current status of knowledge on downy mildew and its management to a wide range of research and extension personnel.
It is intendedFile Size: 5MB. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.
This fast growing fungus affects Brassicas, cucumbers, melons, peas and more. It may appear at any time of the season, but is most often a problem in humid areas, especially in cool (below 75 degrees F) wet weather (the spores need water to germinate and grow).
Strategy for downy mildew resistance breeding in pearl millet in India RP Thakur 1*, KN Rai, IS Khairwal2 and RS Mahala3 1. International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), PatancheruAndhra Pradesh, India 2.
Breeding for Resistance to Basil Downy Mildew (two genes with dominant alleles conferring resistance and recessive alleles conferring susceptibility to downy mildew). Breeding from resistant. Single dominant genes confer resistance to several diseases like Enation mosaic virus (en), Near Wilt, Fusarium oxysporum f.
pisi race 2 (fnw), Fusarium wilt, Fusarium oxysporum f. pisi race 1 (fw), Brown root of peas, Fusarium solani f. pisi, Rust, Uromyces fabae, Downy mildew Perenospora pisci and Bacterial blight.
In rapeseed and mustard, the major diseases (downy mildew, white rust, Alternaria blight and Sclerotinia stem rot) cause 37–47%loss in pod formation and 17–54% reduction in grain yield.
The identification of new sources of resistance is a high priority in breeding programs. About germplasm accessions of Indian mustard were evaluated under multiple environments (3. VII Eucarpia Meeting on Cucurbit Genetics and Breeding. Number.
ISBN. ISSN. EARLINESS AND RESISTANCE TO DOWNY MILDEW (PSEUDOPERONOSPORA CUBENSIS) Roch W. Doruchowski; BREEDING OF HULL-LESS SEEDED PUMPKINS (CUCURBITA PEPO) FOR THE USE OF THE OIL.
(Maincrop) A British bred maincrop, Pea Oasis produces a huge yield of double pods per node, averaging 8 to 9 succulent, dark green peas per pod. Resistant to pea wilt, Pea Oasis also has good downy mildew resistance.
More Info. Sun shade: Full sun ; Grows in: Vegetable Plot Flower Colour: White Longevity: Annual. Just £ The Arabidopsis Ler-RPP27 gene confers AtSgt1b-independent resistance to downy mildew (Peronospora parasitica) isolate Hiks1.
The RPP27 locus was mapped to a four-bacterial artificial chromosome interval on chromosome 1 from genetic analysis of a cross between the enhanced susceptibility mutant Col-edm1 (Col-sgt1) and Landsberg erecta (Ler-0).Cited by: Downy mildew: Pathogen populations from western and central Africa and Asia have been studied and no single QTL has been found to be effective against all populations.
This indicates that pathotype-strain specificity is a major mechanism of downy mildew resistance. Interestingly, not all of the QTLs resistance were inherited from. Powdery (Podosphaera pannosa Wallr.:Fr.) and downy mildew (Peronospora sparsa Berk.)() attack roses in the field but both are generally more common in greenhouse cut flower productionThese pathogens require cool humid conditions although downy mildew needs free water for conidia germination and infection whereas powdery mildew conidia germination is Cited by:.
Rape Beans Peas Maize Beet Increase harvestable yield Plant breeding accountable for 92% improve. in W.B & 87% Downy mildew P. mildew, Ascochyta Eyespot Fusarium BMYV, BYV Mildew, Rhyncho.
rust Eyespot AYPR combined sources of partial resistance. Breeding for disease resistance.Downy mildew, caused by the pathogen Peronospora viciae, is a common disease of peas in Victoria, South Australia and mildew is one of the most common fungal diseases of peas and is favoured by wet, cool seasons.
Night temperatures below 10°C and morning dew promotes the disease.Many cucumber cultivars have since been developed with high resistance to downy mildew. However, indowny mildew was able to infect even the most resistant cucumber cultivars and has once again become one of the most economically important diseases for North Carolina and many other states.