The best fungicides are Flint Extra, Cabrio, mancozeb, or chlorothalonil.
How do you treat watermelon fungus?
Management: Because watermelon varieties and hybrids are all susceptible to powdery mildew, fungicide sprays are required to control this disease. Preventive spray programs with fungicides can be effective, but the fungus readily develops fungicide resistance, often within a single season.
What do you spray watermelon with?
Melons are always attacked by fungal diseases, such as powdery and downy mildews. Therefore, preventive sprays should be employed often, using fungicides such as copper or mancozeb. Spraying can be done once a week during the dry season and at least twice during the wet season.
How do you increase watermelon fruit size?
To maximize the size of the melon, water the plants regularly in deep water sessions that keep the soil moist. Side dress the Watermelon plants with fertilizer prepared for edible crops or fertilizer tea to feed the plants. Fertilizer encourages growth to produce large melons.
How do you get rid of powdery mildew on watermelon?
Baking soda has been proved by many gardeners to be effective in treating powdery mildew. Mix 1 teaspoon baking soda in 1 quart of water. Spray plants thoroughly, as the solution will only kill fungus that it comes into contact with. Milk spray is another effective home remedy.
How do you control pest and disease of watermelon?
Herbicides are applied with shallow incorporation, and transplants are placed with the roots below the treated zone. Postemergence herbicides are used to control grasses. Metam sodium is used for preplant weed suppression. Plastic mulch provides excellent weed control over the plant row.
How do you control the watermelon virus?
Crop rotation with non-host plants may help in avoiding the virus. Remove waste from previous cultures. Control insecticide use in order not to affect beneficial insects. Control ant populations that protect aphids with sticky bands.
What causes black spots on watermelon leaves?
Anthracnose – This seed-borne fungus is hard to detect initially, as it may only appear as small spots on your plants and fruits. As it grows, these spots expand and turn black or gray and new sunken areas may appear on your fruit.
What causes brown spots on watermelon leaves?
Cercospora leaf spot is a disease caused by the fungus Cercospora citrullina. It can affect all cucurbit crops (like cucumber and squash) but it is especially common on watermelons. The fungus usually only affects the leaves of the plant, though it can occasionally spread to the petioles and stems.
How do you take care of watermelon plants?
Keep soil moist, but not waterlogged. Water at the vine’s base in the morning, and try to avoid wetting the leaves and avoid overhead watering. Reduce watering once fruit are growing. Dry weather produces the sweetest melon.
How do I make my watermelon sweeter when growing?
Heat brings out melons’ sweetness, so make sure to plant them in a location that warms up early in spring and stays hot through the end of September. The south side of a fence or wall is ideal as the structure will absorb heat and light from the sun and reflect it back onto the melons.
Is Epsom salt good for watermelon?
For sweeter watermelons and cantaloupes when the plant starts vining and again when small 1-inch melons appear, spray with 6 1/2 tablespoons Epsom salts and 3 1/2 tablespoons borax in 5 gallons of water. For more fruit on your pepper plants, fertilize the plant by burying an open one-half pack of book matches near it.
Should watermelon vines be pruned?
Pruning watermelons promotes healthier vines and increases fruit size. Look for irregular or rotting fruit to prune from the plant. Removing the less than perfect melons will enable the plant to focus energy towards growing bigger, healthier, juicier melons.
What kills powdery mildew instantly?
Potassium bicarbonate– Similar to baking soda, this has the unique advantage of actually eliminating powdery mildew once it’s there. Potassium bicarbonate is a contact fungicide which kills the powdery mildew spores quickly.
Which fungicide is best for powdery mildew?
Biological fungicides (such as Serenade) are commercially available beneficial microorganisms formulated into a product that, when sprayed on the plant, destroys fungal pathogens. The active ingredient in Serenade is a bacterium, Bacillus subtilis, that helps prevent the powdery mildew from infecting the plant.
What is the best treatment for powdery mildew?
Baking soda solution: Mix 1 tablespoon baking soda and ½ teaspoon liquid soap such as Castile soap (not detergent) in 1 gallon of water. Spray liberally, getting top and bottom leaf surfaces and any affected areas.
What are the common diseases of watermelon?
Watermelon: Diseases and Symptoms
- Downy mildew.
- Powdery mildew.
- Anthracnose.
- Alternaria leaf spot.
- Fusarium wilt.
- Bud necrosis disease.
- Cucumber mosaic disease.
- IPM for Watermelon.
What is killing my watermelon plants?
The most common reasons for watermelon plants dying include incorrect soil, watering issues, not enough sunlight, or planting issues. Temperature, weeds, diseases, and pests can also play a role.
What causes yellow spots on watermelon leaves?
Yellow spots on watermelon leaves are early symptoms of powdery mildew.
What to spray on watermelons for bugs?
Insecticides Insecticides used in watermelon are: abamectin, esfenvalerate, diazinon, dimethoate, carbofuran, dicofol, methomyl, permethrin, carbaryl, endosulfan, imidacloprid, bifenthrin, beta-cyfluthrin, thiamethoxam, spiromesifin, fenpropathrin, dinotefuran, spintor, vydate, and fulfill.
What makes watermelon crack?
Water pressure within the fruit can build up when it gets too hot, causing the melons to split open. One way to help alleviate splitting is by adding straw mulch, which will help retain moisture in the soil and insulate plants. Adding shade covers during excessively hot periods may help too.