11 resultats
The Plant Disease Diagnostic Laboratory of the Pennsylvania Department of Agriculture received diseased geranium (Pelargonium × hortorum) samples from several Pennsylvania (PA) greenhouses in 1999 and 2000 and from one Delaware (DE) greenhouse in 1999. Originating from Guatemala, plants exhibited
Ralstonia solanacearum (Smith) Yabuuchi, Kosako, Yano, Hotta, and Nishiuchi, the cause of brown rot of potato (Solanum tuberosum), was detected for the first time in Turkey in 1995 in five potato fields in the Nevsehir Province of the central Anatolia Region and was eradicated under measures
In October 2005 and September 2006, two outbreaks of bacterial wilt occurred in the south and north (90 and 95 m above sea level, respectively) of Mauritius, respectively, on different potato cultivars in seed potato fields. Symptoms were reported at harvest when profuse creamy exudates were
A strain of Thermoactinomyces sp., TM9208, isolated from a soil sample in the Taipei area showed antagonistic activity to Gram positive bacteria but not to the Gram negative on the potato extract agar plate by the cross streaking method. The strain showed strong starch hydrolysis, beta type of
A survey of southwestern Nigeria showed an outbreak of wilt disease caused by Ralstonia solanacearum in 80% of tomato (Lycopersicon lycopersicum) fields in the production area of Ogun State (7°15'N, 3°25'E) in June 1996. Subsequent surveys conducted in Edo (6°45'N, 5°30'E), Delta (5°15'N, 5°45'E),
Recent investigations on the nutritive role of different carbohydrates for the survival and growth of Oryzaephilus mercator show that fructose, glucose, dextrin and glycogen are of high nutritive value, fructose being even better than natural control diet (wheat + 5% yeast). Maltose, soluble starch,
Horn lian (Typhonium giganteum) is a perennial herb of the family Aracea and is commonly used for expelling phlegm and as an antispasmodic treatment. In August 2012, horn lian grown in Changchun, Jilin Province of China, exhibited soft rot disease with ~60% incidence and experienced great losses.
During the spring of 2004 and 2005, angular leaf spot was observed on cucumber (Cucumis sativus L.) in some areas of Kurdistan Province in Iran for the first time. Disease incidence in affected fields was approximately 100%. Symptoms were initially small, round or irregular, water-soaked spots on
Ralstonia solanacearum (Smith) Yabuuchi et al. causes bacterial wilt worldwide on a wide range of plant species. In Mali, the disease is commonly found on potato (Solanum tuberosum L.), tomato (Lycopersicon esculentum var. esculentum L.), pepper (Capsicum annuum L.), eggplant (Solanum melongena L.),
Leaf blight symptoms on coriander (Coriandrum sativum) were observed during the summers of 2000 to 2002 in fields at the Beidou and Sijhou townships, Changhua County, Taiwan. Symptoms first appeared as small spots on the lower sides of leaves and stems. The centers of the spots quickly turned brown
Banana finger-tip rot is an endemic minor disease in Taiwan. Diseased fingers are recognized externally by their distorted shape, often being narrow at the tip, smaller, and curved out of line with the other fingers. Parts of the pulp within the finger appear slightly gelatinous and yellow.