Cucurbitaceae family Bottle gourd is a very oldest and very famous vegetable. It is also known other name like as Winter melon, Fuzzy melon, and White gourd. How to cultivated Bottle gourd and Bottle gourd pest control method we already discuss pleases study this article. So let start Bottle gourd diseases management.
Alternaria leaves blight
Alternaria leaves blight caused by leakage fungus Alternaria cucumerina. This diseases mostly damage Watermelon, pumpkin, Bottle gourd and squash. This disease is a small, yellow-brown spot with a yellow or green hello which appeared on the first oldest leaves. These streaks cause internal degradation of the fruit and primarily infects the infected fruits. The damaged plants will become weak, produce fewer fruits, and the fruit will be ineffective.
i) Use drip irrigation to reduce the spread of bacteria by overhead irrigation
ii) Use resistant varieties.
iii) Don doesn’t work in plants when wet.
iv) If you take the diseases to the primary stage, it can be effective in reducing its expansion it becomes widespread and severe.
v) Removed and destroy infected plants at the end of the season in small gardens.
Bottle gourd diseases management | Bottle gourd diseases control
Cercospora leaf spot
Cercospora is the common disease on all cucurbits vegetable. This disease is usually found in the leaves, but if the environment is suitable, the symptoms may also be petioles and pillars. There are irregular spots which watch bottle gourd vegetable.
i) At first, any diseases plant should be removed and destroyed.
ii) Crop debris should be removed after harvest
iii) Two-three years later crop rotations.
Downey Mildew is the serious diseases of the bottle gourd vegetable. It caused by the fungus as water mold pseudoperonspora cubensis. Once established in one area, this disease can spread, rapidly, resulting in the decrease of fruit quality and yield. Early symptoms of the small chlorotic spot on the surface of the upper surface, often the old developing crown leaves first.
i) Avoided overhead irrigation
ii) Select fields for crop cultivation and management crops and reduce moisture leaves for the developing of air circulation.
iii) Spray fungus mixture of 16 parts Dithane M-45 and parts Karathane 25WP per kg in 800-900 liters of water. And make a solution Dithane M-45 and 2gm Karathane 25WP per 5 liters of water.
Powdery Mildew for Bottle gourd diseases management
Typical light grey to white powder spots appear on the upper surface and later on the under the surface of the leaf blades, sheaths, and bracts. Infected plants become stunted due to the reduction in size and number of leaves, and produce poor yield. There are numerous small rounds of affected areas, and clithiusasia is formed in the dark.
i) The Plant is sites with good air circulation and sun exposure.
ii) Choose planting sites with good air movement and free of shade.
iii) Aureofungin 50 ppm also give good control of the diseases.
iv) Spray Carbendazim or Tridemoph 0.1%
Scab (Bottle gourd diseases management)
This fungus can attack any aboveground portions of the plant including leaves and petioles. Angular brown lesions on leaves with small veins and lesions may also present on petioles in stems and fruits.
Treat seed tubers with Agallol -3 @ 500gm/100 liters of water for 10 minutes before sowings