![]() A fact sheet from the University of Florida was sent to help. ![]() Ministro F1: Papaya Ringspot Virus, Watermelon Mosaic Virus (Strain 2), Zucchini Yellow Mosaic Virus. Mini-Me F1: Cucumber Mosaic Virus, Downy Mildew, Powdery Mildew. Is this a recommended application? It was not thought to be a technique that would help! Better to have resistant varieties if they are available, and the writer said that he would contact AVRDC. Marketmore 97 (bred at Cornell): Cucumber Mosaic Virus, Downy Mildew, Powdery Mildew, Scab. The sender of the message from Pohnpei also asked about spreading Mancozeb, as a paste, with a brush on the stem against gummy stem blight. On watermelon and cucumber, fruit rot is the primary symptom. Copper sprays might be useful.Īlso, it was suggested that important steps in managing the disease are to:Ī fact sheet from Hawaii ( ) mentions that reports of gummy stem blight being seed transmitted are conflicting, but there is good evidence for it from other sources ( muskmelon and cucumber/pumpkin). Crown rot lesions girdle stems, resulting in rapid wilting and death of affected plants. If this was the case, it is likely that the plants would collapse. If a stem is broken and a stringy goo is present, this is indicative of bacterial infection. To check, another visited to the field would be needed to inspect the stems. There was a suggestion that the damage was caused by snails!Īnother suggestion was bacterial wilt of cucumber which is transmitted by beetles. Photos of gummy stem blight on cucumber taken in Pohnpei in the 1980s were sent (top right & left below). The photo was not clear enough for a diagnosis a long shot to see the general state of the plants was needed, but none could be obtained as the farm was some way off. He was asked to inspect cucumbers on Pohnpei, and found damaged leaves that he thought were gummy stem blight on the stems, Didymella bryoniae, and asked wither it is likely to be the cause of the problem? The farmer has been growing cucumber on the same land for several years. A member from Pohnpei, Federated States of Micronesia, asked for help in identifying a disease of cucumber. ![]() Crops > Vegetables > Cucurbits & others > Cucumber > Cucumber, possibly gummy stem blight, FSMĬrops VegetablesCucurbits & othersCucumber Cucumber, possibly gummy stem blight, FSM Cucumber, possibly gummy stem blight, FSM ![]()
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