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This morning I went out scouting the three vineyards for the growth stage of the vines to determine when to apply the first fungicide of the season. As I approached the last vineyard behind someone who bought the house from my sister when I planted the vineyard, I saw him driving a lawn tractor pulling a broadcast sprayer. A quick look of the lawn and seeing a few dandelion flowers, I suspected he was applying an herbicide probably containing 2,4-D which is highly toxic to grapes. He was just finishing up so I approached him cordially and asked if he was spraying for dandelions. Yes he said and clover too. He had this really great herbicide called Trimec he got from Tractor Supply. I knew right there that my suspicions were correct. I told him about 2,4-D being very toxic to grapes even a half mile away. He sprayed within 20 feet of my vines. I asked if I could see the spray container and I would show him how to check what chemicals were in it. He agreed and I showed him that the main ingredient is ineed 2,4-D and it has two other active chemicals. One of them is also Dicamba, which is another growth regulator spray and also causes a lot of injury to grapes.
I should be able to tell in the next couple weeks if there was any volatilization and drift into the vineyard. If there was there will be injury as this is the most susceptible time for grapes.
So my point in saying all this is too warn all you landowners that want a nice green lush lawn that you need to be responsible (and legally are) for what you spray and the consequencies of it. Their dandelion free lawn could cost me $ 50,000 and if so may affect them.
I should be able to tell in the next couple weeks if there was any volatilization and drift into the vineyard. If there was there will be injury as this is the most susceptible time for grapes.
So my point in saying all this is too warn all you landowners that want a nice green lush lawn that you need to be responsible (and legally are) for what you spray and the consequencies of it. Their dandelion free lawn could cost me $ 50,000 and if so may affect them.