12/11/2023 0 Comments Muskmelon seedlingsVines wilt suddenly and die starting with one or two leaves.īacterial wilt clogs the circulatory system of plants. Avoid soil previously planted in cucumbers and family members, potatoes, peppers, eggplant, and tomatoes. Light brown streaks can be seen in the stem split lengthwise. Young melon plant in full growth Whole plant problems Plants wilt and die beginning with crown or older topmost leaves. Remove broadleaf weeds that serve as virus reservoir. The virus is spread from plant to plant by aphids and leafhoppers. Mosaic virus causes leaves to become thickened, brittle, and easily broken from the plant plants are stunted and yields are poor. Irregular yellowish to brownish spots on upper leaf surfaces grayish powder or mold on undersides.ĭowny mildew is caused by a fungus. Common in late summer or fall but does not result in the loss of the plant. Spores germinate on dry leaf surfaces when the humidity is high spores do not germinate on wet leaves. Powdery mildew is caused by fungal spores. Round white powdery spots and coating on leaves. Trap adults beneath boards in spring, hand pick and destroy. Squash bug is a flat, shield-shaped black or brownish bug with a triangle on its back it sucks juices from plants. Leaves have yellow specks that turn brown, then black vines wilt from the point of attack. Handpick mulch around plants plant resistant varieties dust with wood ashes. Striped cucumber beetle has wide black stripes on the wing covers. Spotted cucumber beetle is greenish, yellowish, ¼ inch (7mm) long with black spots and a black head. Holes chewed in leaves, leaves skeletonized runners, and young fruit scarred. Water-soaked blotches on leaves–not enlarging past leaf veins water-soaked spots can appear on fruitsĪngular leaf spot or bacterial spot is a waterborne bacterium that causes irregular geometric patterns on leaves. Destroy infected leaves and cultivate the garden to destroy larvae and keep adult flies from laying eggs. The leafminer larvae tunnel inside leaves. Use floating row covers to exclude bugs spray with insecticidal soap. They suck the juices from leaves and stems. Leafhoppers are green, brown, or yellow bugs with wedge-shaped wings. Coarse white speckling or stippling on the upper surface of leaves leaves may turn brown. Introduce beneficial insects into the garden. Remove infested leaves and the whole plant if infestation is serious. Whiteflies will congregate on the undersides of leaves and fly up when disturbed. Leaves yellow tiny white-winged insects around plants. Spray with water or use insecticidal soap or rotenone. Spider mites suck plant juices causing stippling. Leaves turn pale green, yellow, or brown dusty silver webs on the undersides of leaves and between vines. They leave behind sticky excrement called honeydew which can turn into a black sooty mold. Melon problems and solutions Leaf problems Leaves curl under and become deformed and yellowish.Īphids are tiny, oval, and yellowish to greenish pear-shaped insects that colonize the undersides of leaves. Plants produce few fruits, mostly foliage.Water-soaked spots–sunken, brown, or black–on fruit.Fruit is misshapen or flavor is bitter.Plants are stunted and yellow runners turn yellow and wilt gradually die.Vines wilt suddenly and die starting with one or two leaves. Plants wilt and die beginning with crown or older topmost leaves.Irregular yellowish to brownish spots on upper leaf surfaces grayish powder or mold on undersides.Round white powdery spots and coating on leaves.Leaves have yellow specks that turn brown, then black vines wilt from the point of attack.
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