Cucumber Plant Diseases
Symptoms may include white mold on the vines stunted growth and discolored. The cucumber mosaic virus CMV has a large spread being known for affecting zucchini pumpkin tomato eggplant and other spontaneous plant species.
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This Primefact covers common cucurbit diseases caused by fungi bacteria and viruses.
Cucumber plant diseases. This can be difficult for gardeners who are trying to grow heirloom varieties however. Most active during warm rainy weather they survive for long periods in infected plant debris. You can avoid these problems by choosing diseases-resistant cucumber varieties.
Certain diseases such as pink root brown spot and cucumber mosaic really have no other form of prevention or treatment beyond the innate resistance inside the plant. Most of them are fungal infections. Alternaria Leaf BlightSpot This is caused by Alternaria cucumerina and is common in areas with warm temperatures and frequent rainfall.
Cucumbers like many vines are susceptible to fungal infections. The plant may have 4 or 5 main stems from which the tendrils branch. The blights most commonly affecting cucumbers include.
One of the more common diseases is powdery mildew. Fungal spores live in the soil and can be carried by cucumber beetles. These lesions expand until they become limited by the larger secondary veins in the leaf giving the spots an angular shape Figure 1.
Fusarium wilt and bacterial wilt are untreatable fatal fungal diseases that cause cucumber plants to wilt and die. It manifests on the leaves of the plant through the appearance of symptoms of a weak mosaic which evolves in parallel burns on tissues and subsequently leads to their wilting. Viral diseases May be caused by cucumber mosaic virus CMV squash mosaic virus SqMV watermelon mosaic virus WMV and zucchini yellow mosaic virus ZYMV.
Although descriptions of the more common diseases have been given to assist with identification it can be difficult to diagnose some diseases with similar symptoms. Cucumber Cucumis sativus is a warm season vining annual plant in the family Cucurbitaceae grown for its edible cucumber fruit. Prevention is much better than a cure so.
The cucumber mosaic virus is a disease caused by organisms called aphids. The cucumber plant is a sprawling vine with large leaves and curling tendrils. Fusarium wilt is a fungal disease which infects plant vascular tissues.
There are other less common diseases affecting cucurbits which are not covered here. Plants are stunted and yellow. The disease is caused by a bacterium and the initial symptoms are small water-soaked spots that develop on the undersides of leaves.
Angular leaf spot is one of the most widespread diseases of cucumber. Symptoms include a mosaic pattern on leaves that in severe cases result in a shoestring effect. Fruits can be malformed and bumpy and seeds can also be malformed.
Depending on the cucumber variety you plant you may rarely have problems with other cucumber diseases. This can be spread via fungal spores that are. FUNGAL INFECTIONS Fungi can cause your cucumber plant to wilt and develop white yellow or brown spots.
Another issues faced by the cucumber is lack of bee activity to pollinate the flowers. As fungal diseases cucumber blights can spread into the garden on wind currents and throughout it by splashing water. The leaves of the plant are arranged alternately on the vines have.
Consider sending samples to a plant disease diagnostic laboratory. Clean straw mulch drip irrigation good air movement a trellis or support and root level or early morning watering should deter fungal spores.
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