Now showing items 1-8 of 8
Impacts of nitrogen fertility, soilborne disease, and socioeconomic factors on diverse small grain production systems of the Pacific Northwest
Small grains are grown in rotation with many temperate crops in the Columbia Basin and Puget Sound regions, functioning to improve the profitability of the cash crops. During 2009-10, 45 isolates of
ROLE OF THE ASCIGEROUS STATE IN THE EPIDEMIOLOGY OF EYESPOT IN WHEAT
Eyespot is a chronic disease of winter wheat, caused by Oculimacula yallundae (OY) and O. acuformis (OA) that results in premature ripening of grain, lodging, and reduced grain yield. Discovery of the Oculimacula spp. ...
MANAGEMENT OF DAMPING-OFF CAUSED BY PYTHIUM SPP. IN ORGANIC VEGETABLE PRODUCTION IN THE PACIFIC NORTHWEST
Vegetable production is an important sector of the organic food industry in the Pacific Northwest USA. Significant acre s of organic vegetable crops, particularly processing green pea and sweet corn, are grown in the ...
Assessing Status of and Resistance to Phytophthora Root Rot on True Fir (Abies spp.)
Many fir species (Abies) are susceptible to Phytophthora Root Rot (PRR). Poor drainage and standing water facilitate pathogen survival, proliferation, and spore dispersal. Disease is caused by numerous Phytophthora spp. ...
IDENTIFICATION OF QUANTITATIVE TRAIT LOCI (QTL) FOR RESISTANCE TO SOIL- BORNE PATHOGENS FUSARIUM CULMORUM AND HETERODERA FILIPJEVI IN WHEAT (TRITICUM AESTIVUM L.)
Wheat (Triticum aestivum L.) is one of the world’s staple crops essential to global food security; however, its profitable production can be threatened by soil-borne diseases. The fungus, Fusarium culmorum, and cereal cyst ...
EFFECTS OF METEOROLOGICAL FACTORS ON CONIDIA INFECTION AND PRODUCTION OF ERYSIPHE NECATOR, PODOSPHAERA CLANDESTINA, AND PODOSPHAERA MACULARIS ON THE LEAVES OF GRAPE, CHERRY AND HOP
Grape, cherry and hop powdery mildew, caused by Erysiphe necator, Podosphaera clandestina, and P. macularis, are common problems in WA. Since conidia concentration is strongly related to disease intensity, it is an effective ...
Evaluation of progeny of genetically engineered barley plants for resistance to rhizoctonia oryzae and rhizoctonia solani AG-8
In recent years, farmers in the Pacific Northwest (PNW) have been adopting agricultural practices known as direct-seed, or no-till farming, for both economic and resource conservation benefits. Unfortunately, Rhizoctonia ...
INFLUENCE OF CROP VOLUNTEER AND GRASSY WEED GREENBRIDGE ON RHIZOCTONIA ROOT ROT OF CEREALS AND DISEASE RESISTANCE IN BRASSICA AND TRITICUM GERMPLASM
INFLUENCE OF CROP VOLUNTEER AND GRASSY WEED GREENBRIDGE ON RHIZOCTONIA ROOT ROT OF CEREALS AND DISEASE RESISTANCE IN BRASSICA AND TRITICUM GERMPLASM Abstract by Ebrahiem M. Babiker, Ph.D. Washington State University July ...