Handling Vineyard Pests

Nowadays, growing grape is becoming more common among homeowners who have enough space to grow grapes in their backyards. Grapevines have a long life and can produce steady income for the gardeners. However, there are also pests that could destroy a grape vineyard like any other plants out there. It is imperative to know the types of pest that could be harmful to your grapevines and the rightful actions to take. Here, we will tackle some of the common pests of grapevine and how to handle them.

Foliage Pests

Grape phylloxera is a form of foliar form, and it possesses a root. This occurs in the leaves and the roots of the grapes. The best way to identify these pests it to look for tiny aphid-like insects with a yellow body. The infected plant causes the formation of tiny galls like abnormal growths that form on the leaves. Grape phylloxera’s eggs can survive the winter because it hides under the bark of the grapevine. During spring, the eggs will hatch, and it will start to move onto the new leaves to develop new galls. If the female reaches maturity, it will start to lay eggs within the galls and nymphs hatching from the eggs will crawl to new leaves at shoot tips to repeat the process. There are many generations of phylloxera each season, so it is best to handle the situation right away.

Japanese Beetle

This insect feed on over 300 species and plants and is very common among others. Adult beetle can be spotted with their brilliant metallic green head and thorax with copper-brown wing covers. Their eggs are very small and are growing in grassy areas. The leaves fed to Japanese beetles will soon wither and die. It will first cause a lace-like appearance to the leaves. Grapes can only tolerate so much of the damage from the Japanese beetles.

Grape Flea Beetle

Usually having approximately 1/10 inch, long, shiny blue-purple to blue-green, with enlarged hind legs for jumping. These insects mainly damage buds which stop them from developing into shoots that will later result in a decrease in grape yield. It is best to monitor the grapevine in early spring for grape flea beetle infestation.

There are a lot of pests that could do extensive damage to the grape vineyard like we said, it is best to do research first and the best solution for each. Always remember to monitor your grapevines early in spring and in late winter for starting activity of the pests.