WebThe gray leaf spot pathogen survives on corn residue and in the soil. In spring, spores called conidia are disseminated by wind or rain splash onto corn leaves. Under high … WebApr 11, 2024 · In total, 21 resistant sources were planted and crossed with two inbred lines, CO388 and CO442, with high general combining ability (GCA) for grain yield and lower GCA CO428 but with polygene (PG) resistance to NCLB, gray leaf spot, eyespot, Stewart’s wilt, and Goss’s wilt . Their pedigree and heterotic groups are listed in Table 1. Most ...
Gray Leaf Spot of Corn - Crop Protection Network
WebGray leaf spot (GLS) is a foliar disease of corn (Zea mays . L.). Gray leaf spot was first observed in corn in 1925 in Illinois and then more extensively in eastern seaboard states, such as the Carolinas and Virginia, in the 1940’s. This pathogen was not seen as an economic threat until the mid 1970’s when no-till and other WebJun 25, 2024 · The plot area was in irrigated no-till corn production for four years prior to the start of the study, with a high level of gray leaf spot each year. Three Pioneer brand corn hybrids with differing levels of resistance to gray leaf spot were included in the study. Results of the study demonstrated the potential for gray leaf spot to cause ... shogun restaurant vintage park
Gray Leaf Spot - Purdue University
WebJul 13, 2024 · Gray Leaf Spot is a fungus found in corn nearly every growing season. “Spores are dispersed by wind and splashing water. Infection of corn leaves and disease development are favored by warm (80s°F), humid (>90% for 12+ hours) weather.” ... Because Gray Leaf Spot (or Cercospora zeae-maydis) survives on corn residue, corn … WebGray leaf spot (GLS), caused by the fungus Cercospora zeae-maydis, has been one of the most prevalent foliar fungal diseases of corn in the state of Ohio ever since it was first … WebAug 20, 2024 · Annual reductions in corn (Zea mays L.) yield caused by diseases were estimated by university Extension-affiliated plant pathologists in 26 corn-producing states in the United States and in Ontario, Canada, … shogun restaurant riverside