Controlling Squash Vine Borer

Just recently a cultivator from the UK sent us a picture of damages to a pumpkin plant and wanted to know what it was as well as whether it could be regulated. This parasite had obviously been an issue for a long time, to the level that it was suspicious whether it was worthwhile planting pumpkins or squashes again.

Like all veggies, pumpkins and squashes are familiar with diseases and also insects. Squash Vine Borer (Melittia cucurbitae), which is what was impacting our farmer’s pumpkins, is only one of the series of parasites that influences members of the cucurbit family (members of which include pumpkins, squashes, zucchinis, cucumbers, melons and so on). Besides the UK Squash creeping plant borer resides in a lot of pleasant locations of North America, although out the Pacific Shore. This parasite is renowned for the truth that you can not see it till it is far too late (when the plant is shrivelled as well as does not recuperate when sprinkled). Close assessment will expose that the stem has been cut just over ground level.


When you take a look at the base of impacted plants, you will certainly notice a little opening and some frass (sawdust-like droppings). The hole signifies the visibility of the Squash Creeping Plant Borer If there are numerous numbers of borers, these bugs can really create the stem to damage - particularly if it is gusty - or to rot, relying on the weather. The injury will likewise avoid the plant from using up water and nutrients, which will eventually trigger it to die.

The Squash Vine Borer is the larvae of a types of black moth that strikes both wild and also grown ranges of squash. The moth resembles an or wasp as a result of its motions, and the bright orange scales on its back legs. It has a wing period or around 25 to 37mm (1 - 11/2 in). The ladies generally lay reddish-brown prompt the fallen leaves, as well as when they hatch out the larvae birthed their way into the base of the stem; the larvae create and feed inside the stalk, at some point eliminating the fallen leave. From the leaf, the caterpillars migrate to the main stem, and also with adequate feeding damage to the stem, the entire plant may die.

Squash Vine Borers can impact hubbard squash, pumpkins, zucchinis, gourds and also various other squashes. It is not usual to find them on melons or cucumbers. Control Gardeners locate Squash Vine Borer a tough bug to combat. Some attempt to avoid it by timing the manufacturing season to harvest prior to the insects can build up, or after they have peaked. Nonetheless, there are cultural control measures that can be carried out.

As Squash Creeping plant Borers overwinter in the dirt as larvae in cocoons, getting rid of as well as destroying old vines after harvesting will certainly assist. Farming will also assist to ruin any type of cocoons that might be there. Birds will certainly also help you with this work once the dirt is tilled.

Once your crop is planted, if you are attentive, you may have the ability to remove eggs when they appear. As the larvae normally bore right into the stem near ground degree, a paper or various other wrapping at the base of the stem may help as an obstacle. If you see the plant wilting or a hole at the base of the stem, it is possible (if you are extremely careful) to slit open the stem and also get rid of the larvae, and then cover the stem with damp soil to make sure that it can grow a lot more roots. As a matter of fact if you notice an opening, you can also just stack some wet dirt over the damaged location to try as well as advertise new root development to make sure that the plant will not pass away.

An old trick for expanding pumpkins as well as squash is to cover the vine with planet at various points along its size, inducing rooting at numerous factors, therefore continuing to feed the creating fruit despite the loss of the initial stem. After the vine has taken root at several factors, the infected section of the plant can be removed, along with another inch where the larvae is eating into healthy tissue, without considerable damage to the plant. Row covers are another option that can be consumed until flower.

Some garden enthusiasts use pesticides, yet these are ineffective after the larvae are inside the plant. It is likewise not recommended as these chemicals used to kill the grown-up moth might infect the flowers and thus kill pollinators via infected nectar or pollen.

Lucia Grimmer is the primary writer of ideal marketing books Just how to Expand Juicy Tasty Tomatoes and How to Expand Excellent Potatoes.

Lucia Grimmer is a world renowned professional in plant disease and also nourishment that trains horticulturists, agronomists as well as specialist cultivators. She has won awards for her technological papers and frequently performs tests on a variety of plants with the goal of boosting yield and also lowering disease.

Co-author Annette Welsford likewise has a gardening history, nevertheless her real abilities like with taking intricate technical info and also representing it so that even newbie gardeners locate it easy to understand.

Their books are thought about to be the authoritative “bibles” on [] Growing Tomatoes as well as [] Expanding Potatoes and have sold to thousands of newbie and expert gardeners in 85 nations, and also have been included on television, radio as well as leading gardening magazines in 4 continents.