methodologie de criblage des varietes resistantes

New methodology of aluminum resistance evaluation in - methodologie de criblage des varietes resistantes ,NEW METHODOLOGY OF ALUMINUM RESISTANCE EVALUATION IN GUINEA GRASS. ABSTRACT - A new methodology of genotype screening as to aluminum (Al3+) ..... S.A.; RUSSELL, W.A. Stability parameters for paring varieties.Accelerated breeding of smut-resistant sugarcane varietiesMETHODOLOGY ............................................................................................................. 3. 3.1 Accelerated development of high yielding smut resistant varieties for.





Th1_Évaluation de la résistance à la sécheresse de nouvelles variét

30 Oct 2013 ... Évaluation de la résistance à la sécheresse de nouvelles variétés de riz ... Matériel et Méthodes Année 1 : Test de criblage dispositif « Alpha...

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Groundnut rosette disease management

duration rosette resistant lines ... Screening methodologies were developed ... short-duration, disease-resistant groundnut varieties will assist a substantial.

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Full text

Use of resistant hybrids/varieties appears to be the only way to ... data revealed that almost all newly developed varieties were susceptible to the disease. .... résistantes pourrait constituer la seule méthode efficace de lute contre la mala- die.

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Evaluation of a novel technique for screening cowpea varieties

a methodology designed to identify only the most resistant cowpea varieties. Resistant varieties were identified but some problems were encountered with.

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Methodology for Screening Sorghum Resistance

Methodology for Screening Sorghum Resistance to Storage Pests w9 ... can be nained throunh rowinn varieties with host-olant resistance. This character is often.

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Screening of blast resistant gene Pik-h in rice varieties

The introgression of genes for blast resistance into improved varieties has been .... of alien gene introgression, improvement of various breeding methodologies,...

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Developing Aflatoxin resistant maize varieties in ghana

Identify lines that are resistant to field and storage fungi. Develop varieties (hybrids, top crosses) from resistant lines. Methodology. Obtained accessions from...

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evaluation de la resistance varietale du niebe

point des variétés résistantes aux bruches tout en étant productives en ... et local vis à vis de C.maculatus en utilisant la méthode classique de criblage (qui.

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Crops | Pulses

Identifying and incorporating race specific bacterial blight resistance genes in ... The development of new methodologies to develop pulse germplasm include: ... Pulse and oilseed crop varieties with specific adaptation and production and...

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Transgenic Crops: An Introduction and Resource Guide

Bt corn varieties, for example, contain a gene from a bacterium (Bacillus ... All of the geically engineered insect-resistant crop varieties produced so far use ...... generated controversy over the methodology used and certain conclusions, the...

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An in vitro detached leaf assay for pre-screening resistance to

and without contamination of the pathogen into the environment. This methodology will be useful for identification of cassava varieties with resistance to CAD.

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Novel methodologies in screening and selecting olive varieties and

1 Dec 2008 ... Novel methodologies in screening and selecting olive varieties and root-stocks for resistance to Verticillium dahliae. Polymnia P. Antoniou...

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Storage insect pests of maize and methodologies for mininmizing

To develop screening methodology that enables the uniform screening of maize varieties ... yielding maize varieties that are resistant to insect pests of regional...

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Characterization of Resistance Gene Analog

The use of resistant varieties is the most effective method of prevention and control. Breeding for resistant varieties requires precise screening methodologies...

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MG (Misghina) Teklu

Developing methodology for screening the relative susceptibility of potatoes with ... However, to use resistant varieties and/or cultivars in the farmers field or to...

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Methodology for assessing rice varieties for resistance to the lesser

Methodology for assessing rice varieties for resistance to the lesser grain borer, ... Laboratory tests were conducted on single varieties of long-, short-, and...

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Plant Geic Engineering: Methodology

A number of geically engineered plant varieties have been developed. Traits that have been introduced by transformation include herbicide resistance,...

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Geic improvement of rice varieties for Africa

term, allow us to focus on the development of resistant varieties through ... to adopt systematic crop management, and new methodologies including wider.

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Update on Methodology Used in Screening for Resistance to

the screening methodology originally developed by Nuss and Atkinson (1983) and ... control varieties, ranging from the most susceptible to the most resistant.

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Screening of groundnut varieties against leaf minerAproaerema

severity index by following the methodology of Ghule et al. (1988) (Table 2). ... The varieties under moderately resistant group harboured larval population...

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Plant Pathology

Control of the diseases was attempted through isolation of resistant varieties, evolving new resistant varieties by hybridization, .... Screening methodology.

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Impact assessment of agricultural technology: Concept, methodology and application to rice pests ... the development of varieties with durable blast resistance .

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Wild Solanum species as resistance sources against

Resistance screenings against Phyrophthom infesrmrs, Globodem pallido ... species, the use of different pathogen strains or isolates, or to different methodologies for ... Most widely grown popular varieties are very susceptible to late blight.

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Screening of Soybean (Glycine Max (L.) Merrill) Genotypes

was done under laboratory condition by following the methodology adopted by IITA [4]. .... Growing resistant varieties is the most economical and safe method of...

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Identification of Blast-Resistant Varieties from

30 Nov 2012 ... An experiment was conducted to identify rice varieties resistant to blast disease. Samples .... Index (RI) methodology (Sirithunya et al.,. 2001) of...

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Projets de recherche

Tests des variétés expérimentales et du progrès de Sélection (IFAD .... Mettre au point une méthodologie de criblage et développer les connaissances en sélection ... identification de variétés résistantes à la mineuse identifiées dans chacun...

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Breeding for resistance to planthoppers in rice

backgrounds and for breeding varieties resistant to hoppers. Characterization of .... methodology and breeding strategies to be adopted. Diverse genes for...

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Methodology for assessing rice varieties for resistance to the lesser

28 Feb 2008 ... Methodology for assessing rice varieties for resistance to the lesser grain borer, Rhyzopertha dominica. Y. Chanbang1, F. H. Arthur2,a, G. E....

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Germplasm enhancement for yellow spot resistance in wheat

A higher proportion of varieties carrying enhanced resistance to this disease ... Selection methodologies, including controlled environment, field and marker...

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Criblage de quelques variétés de riz de Côte d'Ivoire pour la

Les travaux de criblage des variétés pour la résistance au ... criblage pour leur résistance au RYMV sur la ..... Lefficacité de la méthode dinoculation par friction.

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New Methods for Identification and Evaluation of Intake

and be evaluated using appropriate methodologies. This may not necessarily mean ... OF INTAKE CHARACTERISTICS OF GRASS VARIETIES ... resistance.

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Screening and identification of defense-related genes against

18 Oct 2013... background for anthracnose-resistance of local banana varieties. ... methodology is employed for determining the geic background of host...

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Development of rapid screening methods to detect resistance of

Research for Development Development of rapid screening methods to detect resistance of maize varieties to the main storage pests.

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A. Screening techniques for pest and disease resistance

The different screening techniques for pest resistance are listed below. 1. Field Screening. The varieties to be evaluated or the segregating population to be...

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La variété la plus résistante est un hybride tropical. Aucun génotypes de ... Teretriosoma nigrescens, nest pas affectée par la méthode de stockage. La mite...

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Brown planthopper: threat to rice production in Asia

efforts are being made to identify resistant varieties and to understand host-plant ... SCREENING FOR RESISTANCE. Screening methodology adopted.

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New agriculturist: Pulses: The potential of pigeonpea

ICRISATs first major impact in disease resistance was to release a Fusarium wilt ... the establishment of resistance germplasm and wilt screening methodology for ... Newly developed resistant varieties yield far higher than traditional varieties...

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Breeding for disease resistance in wheat

Screening methodology and selection environment. The probability of ..... New approach to the breeding of wheat varieties resistant to Puccinia graminis tritici.

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Improved methodology for resistance screening in spring wheat

Improving screening methodologies such as soil type, size of pot, ... varieties against P. thornei and to determine source(s) of resistance by evaluation of various...

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Plant breeding for organic and sustainable, low-input agriculture

During four years of screening and regional tests the top ten varieties were identified. ... to bine the important traits earlyness, field resistance against late blight, ... The methodology for a regional breeding program is developed and needs...

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