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Friday, August 7, 2020 | History

2 edition of Genetical and environmental variation for resistance to bacterial blight of upland cotton found in the catalog.

Genetical and environmental variation for resistance to bacterial blight of upland cotton

N. L. Innes

Genetical and environmental variation for resistance to bacterial blight of upland cotton

by N. L. Innes

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Published by Cotton Research Corporation in London .
Written in English


Edition Notes

Reprinted from: Heredity, vol. 32, Part 1, 1974 pp.53-72.

Other titlesHeredity.
Statementby N.L. Innes, S.J. Brown and J.T. Walker.
SeriesCotton Research Corporation Research memoirs -- no.90
ContributionsBrown, S. J., Walker, J. T., Cotton Research Corporation.
ID Numbers
Open LibraryOL18335602M

Bacterial blight has quietly found its way back into cotton fields for the second year in a row. There is little we can do about it now. However, by knowing more about this disease, cotton growers can make decisions to minimize impact next year and beyond. Genetic dissection of genotype x environment interactions conferring Use of Chemical Mutagenesis in Improving Upland Cotton. World Cotton Research Conference 4. P. Non-refereed Volunteered: 6 of QTL’s conferring resistance in cotton to the bacterial blight pathogen. Agron.

J. Singla, S.G. Krattinger, in Encyclopedia of Food Grains (Second Edition), Introduction. Biotic stress in plants is caused by living organisms, specifically viruses, bacteria, fungi, nematodes, insects, arachnids, and weeds. In contrast to abiotic stress caused by environmental factors such as drought and heat, biotic stress agents directly deprive their host of its nutrients . Narrow genetic base and complex allotetraploid genome of cotton (Gossypium hirsutum L.) is stimulating efforts to avail required polymorphism for marker based breeding. The availability of draft genome sequence of G. raimondii and G. arboreum and next generation sequencing (NGS) technologies facilitated the development of high-throughput marker technologies in cotton.

Bacterial Blight was well controlled by host-plant resistance breeding done at Oklahoma State and Texas A&M Universities, but is resurging. Target Spot, a tropical disease of rubber, is now a significant disease of cotton in the South Atlantic and Gulf Coastal regions, and sporadically occurs in the Mid-South.   To minimize the impact of environmental factors in the analysis, biochemical techniques such as isozyme and protein electrophoresis (Hunter and Merkert ) were later employed. Since , various molecular techniques such as RAPD, AFLP, and SSR, have been used to measure genetic variation (Mondini et al. ). These molecular markers not.


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Genetical and environmental variation for resistance to bacterial blight of upland cotton by N. L. Innes Download PDF EPUB FB2

The inheritance of resistance in Upland cotton to Xanthomonas malvacearum was investigated using a half diallel set of crosses between six inbred varieties. Parents and progeny were inoculated and Cited by:   resistance to bacterial blight in cotton was first demonstrated by Knight and Clouston () in the Sudan.

Genetical and environmental variation for resistance to bacterial blight in Upland cotton. Heredity Bird, L.S. The MAR (Multi-Adversity Resistance) system of genetic improvement of cotton. Bacterial blight is becoming a devastating cotton disease due to the climate change in sub-continent regions.

To grow resistant germplasm is an economical and effective tool to manage the disease. Thirty-one cotton varieties/lines were screened against bacterial blight of cotton disease under field conditions. Genetic analysis of resistance to rice bacterial blight staggered at two to three week intervals in three sets to enable synchronisation of the flowering dates, and subsequently allow a successful crossing (Sarkarung, ).

At flowering stage, all the parental lines were crossed in the screenhouse using the full-diallel mating designCited by: 6. this study was to determine the bacterial blight reactions of 61 Upland cotton cultivars.

This in-formation should be useful to breeders interested in incorporating blight resistance into future cotton cultivars. Varying numbers of cultivars (including four checks) were planted each year near Perkins, Oklahoma, over a 3-yr period. Explore the latest full-text research PDFs, articles, conference papers, preprints and more on FUNCTIONAL GENETICS.

Find methods information, sources, references or conduct a. Bacterial blight was first described in the U.S. in and it can infect all growth stages of cotton.

The bacterium is a seed-borne pathogen, but can also enter through the stomates of leaves or open wounding from infected crop debris from a previous season [].Early symptoms of this disease start as water-soaked lesions on leaves and then progress into.

bacterial wilt, anthracnose, cotton leaf curl and bacterial rust are the major diseases of cotton. Bacterial blight of cotton caused by Xanthomonas compestris pv. malvacearum is known to be one of the most devastating disease in cotton (Innes, ). Bacterial blight can reduce the yield of the crop up to.

Explore the latest full-text research PDFs, articles, conference papers, preprints and more on PLANT VIRUS EPIDEMIOLOGY. Find methods information, sources.

Explore the latest full-text research PDFs, articles, conference papers, preprints and more on CONVENTIONAL BREEDING. Find methods information, sources, references or conduct a literature review. Genetic variability for virulence of the bacterial blight pathogen [Xanthomonas campestris pv malvacearum (Smith) Dye] on cotton (Gossypium hirsutum L.) has been shown by the identification of 19 races of the pathogen based on disease reactions of a set of ten host differentials.

This study was conducted to determine the inheritance of host resistance to. Goals / Objectives Bacterial blight R-genes will be mapped as quantitative trait loci (QTL) to resolve their chromosomal and subgenomic location. This work will build on the genomic tools and resources generated by my research (CSREES-NRI, Wright et al.

; Rong et al.) to gain new insight into Xcm resistance in cotton. The level of overall variation of SNPs and indels among cotton species is low, comparable to natural variation (– SNPs kb −1) between Brachypodium accessions 28 but lower than that (~   Bacterial blight disease of Persian walnut (Juglans regia, L.), caused by Xanthomonas arboricola pv.

juglandis (Xaj), leads to significant nut losses in northern, central and western areas of Iran. To identify the natural sources of resistance to disease in the endemic walnut genotypes of Iran, sixteen walnut genotypes, collected from different areas of Hamedan.

Explore the latest full-text research PDFs, articles, conference papers, preprints and more on PLANT FUNCTIONAL TRAITS. Find methods information, sources, references or conduct a literature review. Resistance to Bacterial Blight of Cotton: The Genes B9 and B10 - Volume 1 Issue 3 - N. Innes. Tyagi AP; Olng'otie PAS, Screening for resistance to bacterial blight in Upland cotton (Gossypium hirsutum L.).

Plant Breeding, (2) UK CAB International, Xanthomonas campestris pv. malvacearum. [Distribution map]. Distribution Maps of Plant Diseases, April (Edition 6). Wallingford, UK: CAB International, Map   Additionally, the cotton variety, seed lot, and a disease severity rating should be determined.

Destroy remaining stalks at the first opportunity to reduce the survival of bacteria in crop debris. In the year following a bacterial blight infestation, fields should be planted to a blight-resistant variety or rotated to a different crop.

In this study, we determined the community structure of rhizosphere bacteria in cotton, and studied the variation of rhizosphere bacterial community structure in different soil. By identifying genes that confer tolerance to environmental stresses, such as cold, heat, or salt, and resistance to diseases and pests, he allows farmers to do more with less by reducing the risks and costs of production.

Primary Disciplines. Crop Genetic Improvement; Education. Ph.D: Genetics, University of California, Davis —. Bacterial Blight, also called Angular Leaf Spot, is a disease caused by the bacterium, Xanthomonas citri pv. malvacearum (“Xcm” will be used throughout this bulletin).

Bacterial Blight was first described in the United States in and continues to be a major disease of cotton throughout the world. Genetic diversity and population structure in the US Upland cotton was established and core sets of allelic richness were identified for developing association mapping populations in cotton.

Elite plant breeding programs could likely benefit from the unexploited standing genetic variation of obsolete cultivars without the yield drag typically associated with .A.

Nagaraja, I.K. Das, in Biotic Stress Resistance in Millets, Bacterial blight. Bacterial leaf blight of finger millet is caused by Xanthomonas axonopodis pv. was first reported from Gujarat, India, by Desai et al. ().Later it was reported from Uganda, Africa (Adipala, ).Initial symptoms appear as water soaked, translucent, linear, pale yellow to .