Cooperative Extension prohibits discrimination and harassment regardless of age, color, disability, family and marital status, gender identity, national origin, political beliefs, race, religion, sex (including pregnancy), sexual orientation and veteran status. Be sure to obtain current information about usage regulations and examine a current product label before applying any chemical. Unfortunately, gummy stem blight (GSB) causes a major fungal disease on Cucurbitaceous. Stems may split and secrete drops of gummy, reddish brown ooze. Cucurbits are an important vegetable crop of the gourd family. Individuals who use agricultural chemicals are responsible for ensuring that the intended use complies with current regulations and conforms to the product label. When gummy stem blight strikes, stems develop dark, water-soaked lesions. A&T State University nor discrimination against similar products or services not mentioned. Penyakit ini muncul pada kondisi lingkungan yang panas dan lembab, serangan terjadi pada batang ruas bawah, yang ditandai dengan munculnya blendok atau gummy berwarna cokeat pada batang yang pecah. Host Parts Affected Stems, vines, leaves, and fruits are affected by gummy stem blight, which can result in yield reduction, damaged fruit (black rot), and plant death. The use of brand names and any mention or listing of commercial products or services in this publication does not imply endorsement by NC State University or N.C. Gummy stem blight affects all cucurbit crops such as cucumber, watermelon, melon, cantaloupe, squash, and pumpkin. Recommendations for the use of agricultural chemicals are included in this publication as a convenience to the reader. G Can be used in greenhouses, see label for restrictionsįor example, in watermelon you can use: Bravo alternated with Viathon, alternated with Luna Sensation, alternated with Switch every 7 days. Fungicide labels are legal documents, always read and follow fungicide labels.Įxample products for gummy stem blight control: Active ingredient Leaf symptoms start as browning at leaf edges. Both are caused by the fungus Didymella bryoniae. For the latest fungicide recommendations for gummy stem blight see the Southeastern US Vegetable Crop Handbook. Quick facts Gummy stem blight describes the leaf and stem infection stages of the disease. In India, this disease has been reported in several cucurbits such as ash gourd, bitter gourd, chow-chow, cucumber, muskmelon and ridge gourd. When applying fungicides, always remember to alternate products to avoid generating fungicide-resistant strains. Gummy stem blight (GSB) is caused by the fungus Didymella bryoniae (asexual state as Phoma cucurbitacearum or Ascochyta cucumis) and previously known as. Gummy stem blight is a major disease affecting cultivation of cucurbitaceous vegetable crops all over the world. Disease Control for Conventional Growers Skip to Disease Control for Conventional Growersįungicides may be required to control gummy stem blight, especially if environmental conditions are favorable for disease. What is Gummy Stem Blight This blight is a disease that affects explicitly members of the Cucurbitaceae family.
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