15 rezultatima
In July 2018, a sample of lavender var. Grosso (Lavandula × intermedia 'Grosso') from Miami County, OH was received by The Ohio State University Vegetable Pathology Laboratory in Wooster. Lavender plants were field-grown in sandy clay soil with plastic mulch under drip irrigation.
Tobacco (Nicotiana tabacum L.) is a leafy, annual, solanaceous plant grown commercially for its leaves. China accounts for more than 39.6% of total global tobacco production (3). In May 2012, seedlings of tobacco cv. Honghuadajinyuan in a Guiyang tobacco commercial field (Guizhou, China, 26.35° N,
In early August 2000, a leaf spot disease of broadleaf tobacco (Nicotiana tabacum L.) was widespread and severe in Connecticut and Massachusetts. The spots were roughly circular, with necrotic centers and concentric rings and often surrounded by a yellow halo. Spots ranged in size from small fleck
Yellow stunt, an emerging disease of tobacco (Nicotiana tabacum), has become increasingly prevalent in tobacco-growing regions in southern Brazil. Major symptoms are moderate to severe stunting, yellowing of leaves, severe wilting, darkened roots, necrosis of stem tissue directly above the soil
In June 2010, shade-grown cigar wrapper tobacco (Nicotiana tabacum L.) plants in Hampshire County, Massachusetts were observed with leaf lesion symptoms that ranged from small (2 to 3 mm) water-soaked spots to larger (2 to 3 cm) lesions. Lesions had a pattern of concentric rings, necrotic centers
Tobacco (Nicotiana tabacum L.) is a leafy, annual, solanaceous plant grown commercially for its leaves. Guizhou Province produces more than 30% of the total Chinese tobacco crop. In July 2010, a disease was observed in a commercial field of 5-month-old N. tabacum plants in Bijie, Guizhou in
In June 2011, 15 transplant beds of broadleaf cigar wrapper tobacco (Nicotiana tabacum L., cv. C9) plants in Hartford County, Connecticut, were observed with almost every plant diseased. Leaf lesion symptoms ranged from small (2 to 3 mm) water-soaked spots to larger (2 to 3 cm) lesions. Disease was
Cigar tobacco (Nicotiana tabacum L.), sun air-cured tobacco, originally from South America, with a main use to rolling cigar wrapper that is different from flue-cured tobacco. In April, 2018, diseased leaves were observed in cigar tobacco in some fields in Danzhou city (109.58°E, 19.53°N) and
In August 2010, lesions similar to those reported for target spot were observed on Nicotiana tabacum L. plants produced in float systems in Cerrillos, Salta, Argentina. Tobacco leaves with characteristic lesions were collected from different locations in Cerrillos, Salta. Symptoms ranged from small
Tobacco (Nicotiana tabacum L.) is a leafy, annual, solanaceous plant grown commercially for its leaves in China. In continuing research on foliar diseases of tobacco in Guizhou province in August 2019, diseased leaves of tobacco that had sandy beige, elliptical or irregular shaped lesions,
During warm and humid periods in the winters of 2004 to 2006, severe leaf necrosis and vein rot symptoms were observed on cabbage (Brassica oleracea var. capitata L.), broccoli (Brassica oleracea var. italica Plenck.), and Brussels sprouts (Brassica oleracea var. gemmifera D.C.) in the Mediterranean
Tobacco (Nicotiana tabacum L.) is a leafy, annual, solanaceous plant grown commercially for its leaves. China is the biggest single tobacco market and accounts for more than 40% of the global tobacco consumption (1). Tobacco seed harvested in Guiyang, Guizhou Province, China, are commonly
In February 2013 in coastal California (Santa Cruz County), plantings of red raspberry (Rubus idaeus var. strigosus) exhibited symptoms of a previously undocumented disease. Initial symptoms were small (less than 5 mm wide), angular, water-soaked lesions on leaf and petiole tissues of recently
In 2009 and 2010, outbreaks of bacterial spot characterized by significant fruit spotting occurred in at least 2,000 ha of commercial processing tomatoes in northwest Ohio and southeast Michigan. Losses were estimated at $7.8 million. Diseased fruit and foliage were collected from 32 Ohio and
Fruit rot disease (FRD), an emerging problem of tinda (Praecitrullus fistulosus) in India. FRD epidemics begin during rainy and warm weather and often spoil marketable produce. Symptoms appear as numerous, pale brown-to-dark brown, deeply penetrating circular soft rot lesions on fleshy fruit