Whats wrong with my grape plant And how can I fix it?
This is my grape plant which grows in my garden outside it has all these deformities and I wnat to know what's causing it and how to fix it. Im not sure whether its bugs or disease?
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It’s hard to tell but to me it looks like some sort of disease. @SillyPlantGirl @stephongreg they might be able to help you!
To me- it looks like damage from the western grape leaf skeletonizer - or a similar caterpillar, which eats the soft tissue between veins, leaving a papery, web-like leaf structure. The pests are often small, green caterpillars that hide under leaves and may have already dropped to the soil by the time this type of damage is visible. Management options include applying BT (Bacillus thuringiensis) early in the caterpillar's growth stage or physically removing them. The caterpillar looks like the photo, and then as an adult. That’s just my thoughts. I don’t have grape plants, but they grow wild and are super invasive here- and they have brought a “bug” that not many know of except in vineyard. I’m going to add info about BT in another reply so you can find it.
Here’s the info on BT- “ Bacillus thuringiensis (BT) is highly effective and considered one of the safest natural pest controls for home grapevines because it is a biological, naturally occurring soil bacteria. It targets the stomach lining of chewing caterpillars—like the western grape leaf skeletonizer—while remaining non-toxic to humans, birds, pets, and beneficial insects like ladybugs or honeybees. To use BT effectively on your grapes while minimizing any risks, keep these practical guidelines in mind: Safe and Proper Application- Target the Right Strain: Look for BT kurstaki (Btk) on the product label. This specific strain targets leaf-eating caterpillars without harming other organisms. Common consumer brands include Thuricide and DiPel. Avoid Human Irritation: While BT is non-toxic if ingested, the concentrated liquid or dust can cause mild skin or eye irritation. Wear gloves and protective eyewear while mixing, and avoid breathing in the spray mist. Protect Helpful Pollinators: Avoid spraying directly onto open flowers or sections of the vine where bees are actively foraging. While BT is generally safe for adult bees, minimizing direct contact with any spray is a good practice. Maximizing Effectiveness- Spray the Undersides: Caterpillars typically hatch and hide on the bottoms of the leaves. Use a pump sprayer with the nozzle angled upward to coat both the top and the underside of the foliage thoroughly. Apply in the Evening: BT breaks down quickly when exposed to direct sunlight. Applying it in the late afternoon or evening gives the bacteria more time to stay active on the leaves so the caterpillars can consume it overnight. Watch the Weather: Rain or heavy overhead watering will wash the BT off the leaves. Plan your application for a dry window, and prepare to reapply after a heavy rainfall or every 7 to 10 days if the pests persist. Use Fresh Mixes: Only mix what you intend to use right away. Once BT is mixed with water, the bacteria lose their effectiveness quickly and should be applied within 12 hours. Sounds like a lot!! I’m adding hashtags to draw in more help. I could be wrong, and maybe there’s a different way to fix this than BT. I want to get you help 😊 #HappyPlants #PlantsMakePeopleHappy #PlantAddict #PlantTherapy #GregGang #Greggers #GreggersSupportingGreggers