Identifying resistance to gray leaf spot

Author: qkdb

August undefined, 2024

WebGray leaf spot is commonly found in newly-established lawns, typically during their first year of establishment. The disease is most severe during this period and can damage entire … WebThe center of the leaf spot may have a gray, felt-like growth of sporulation (formation of spores) after extended periods of warm, moist conditions (Figure 1). A leaf spot may …

Genetic control of resistance to gray leaf spot of maize in tropical ...

WebAbstract. Breeding maize for gray leaf spot (GLS) resistance has been hindered by the quantitative nature of the inheritance of GLS resistance and by the limitations of selection … WebIf gray leaf spot is suspected, collect a cup-cutter sample and incubate it overnight in a plastic bag. A distinct gray mold will be apparent on leaves blighted by gray leaf spot … coworkimmo annemasse

Identification of quantitative trait loci controlling …

WebGray leaf spot, a foliar disease of corn (Zeae mays) caused by the fungus Cercospora zeae-maydis, has become of economic importance in many regions of the world over the … Web17 feb. 2024 · Gray Leaf Spot (GLS) is commonly thought to be a disease associated with the cool-season grasses of ryegrass and tall fescue, but it has a rather destructive … WebSelection for resistance against gray leaf spot (GLS) is a major objective in the lupin breeding programs. A segregation ratio of 1:1 (resistant:susceptible) in F8 recombinant … cowork hive

Comparative QTL Mapping of Resistance to Gray Leaf Spot in …

Plant Diseases and Control Penn State Extension

WebIf gray leaf spot is suspected, collect a cup-cutter sample and incubate it overnight in a plastic bag. A distinct gray mold will be apparent on leaves blighted by gray leaf spot (Figure 4). This mold is quite distinct from the cottony mycelium produced on leaf surfaces by other diseases including dollar spot, brown patch, and Pythium blight ... Web27 jul. 2010 · However, to understand how Si reduces gray leaf spot, it is necessary to study the effects of Si on the components of host resistance. In a greenhouse, six rates … coworkids pamplonaWeb1 okt. 2001 · Abstract Bulked segregant analysis was used to identify amplified fragment length polymorphism markers (AFLPs) linked to quantitative trait loci (QTLs) involved in the resistance to gray leaf spot (GLS) in maize. By using ten AFLP primer combinations 11 polymorphic markers were identified and converted to sequence- specific PCR markers. cowork hub london

"WebBreeding maize for gray leaf spot (GLS) resistance has been hindered by the quantitative nature of the inheritance of GLS resistance and by the limitations of selection under less … " - Identifying resistance to gray leaf spot

Identifying resistance to gray leaf spot

BP-107-W Turfgrass Disease Profiles - Purdue University

Web1 mrt. 2004 · Parents with improved resistance to gray leaf spot were selected based on progeny turf plot evaluations in 2000, inter-pollinated and seeded into turf plots in the … WebGray leaf spot is a fungal disease (caused by Pyricularia grisea) that occurs most commonly on St. Augustinegrass (Stenotaphrum secundatum), but occasionally may also be found infecting tall fescue, bermudagrass, …

Did you know?

Web17 sep. 2024 · Gray leaf spot (GLS), caused by different species of Cercospora, is a fungal, non-soil-borne disease that causes serious reductions in maize yield worldwide. The identification of major quantitative trait loci (QTLs) for GLS resistance in maize is essential for developing marker-assisted selection strategies in maize breeding. Web27 feb. 2024 · Abiotic problems and disorders of roses. Few or no flowers. Pale yellow leaves. Leaf margins (edges) browning. Leaves: green between veins, Herbicide injury. Problems due to poor care after planting. Leaves: yellow between veins, veins remain green. Environmental (weather) stresses, shady conditions, excessive lush growth from …

Web18 aug. 2012 · Gray leaf spot (GLS), caused by the causal fungal pathogen Cercospora zeae-maydis, is one of the most serious foliar diseases of maize worldwide. In the current study, a highly resistant inbred line Y32 and a susceptible line Q11 were used to produce segregating populations for both genetic analysis and QTL mapping. The broad-sense … Web30 mei 2006 · The results indicate that ag- gressive isolates, regardless of which sibling species of C. zeae-maydis are used, should be used to select for GLS resistance in field trials. In the eastern United States, three genetical- ly distinct species of Cercospora, the two sibling species of C. zeae-maydis (types I and II) and C. sorghi var. may- dis, are …

WebGray leaf spot is a disease of increasing importance in the turfgrass industry in the United States. It has been a chronic disease in St. Augustinegrass (Stenotaphrum secundatum) for many years. Recently, … Web28 jun. 2024 · The identification of QTL/genes to resist gray leaf spot (GLS) caused by Cercospora zeae-maydis or Cercospora Zeina plays an urgent role in improving GLS resistance in maize breeding practice.

WebGrey leaf spot of maize, (Zea maydis L.) (Cercospora zeae-maydis) Tehon and Daniels, is one of the most destructive leaf diseases of maize. The distribution and severity of grey …

WebIn this study we mapped the QTL Qgls8 for gray leaf spot (GLS) resistance in maize to a ~130 kb region on chromosome 8 including five predicted genes. In previous work, using near isogenic line (NIL) populations in which segments of the teosinte (Zea mays ssp. parviglumis) genome had been introgress … cowork iconWebGray leaf spot is a foliar disease that affects perennial ryegrass and tall fescue. It is caused by a fungal pathogen (Pyricularia grisea) that readily infects and kills leaf blades. Leaf … disney grilled cheese sandwichWebmean number of spots on a leaf were 21% and 52%, respectively, for inoculation with S. solani and 29% and 70%, respectively, for inocula-tion with S. lycopersici. Thus, disease … co workimgbspaces in geneve