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Subject:  how soon to stack pesticides?

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Haslet Texas

newbie to the game. I've read pages upon pages about insecticides, which brand, what type, etc.... none of the threads have touched on frequency, or how soon others can be applied. I am a paranoid grower, because I currently have SVB on my zucchini not real far from my pumpkins. I want to get out ahead and nuke these bastards early!! I have bifen XTS, and merit 75WP. I mixed the merit 1/8tsp in a gallon, and did a foliar drench spray after sundown last night. I went generous on the spray and covered quite a decent area around the plants as well. my question is..... how soon can apply the bifen? I am wanting to spray it asap! also how soon can foliar Fert be sprayed after insecticides? I want all of these applications to have their own amount of time to absorb and actually be effective.

6/25/2017 10:12:43 PM

big moon

Bethlehem CT

I would get the bifenthrin down right away. That will keep the squash bugs away. WIth the merit the squash bugs will still come and eat, then they will die. You don't want them even taking one bite, that is all it takes for the dreaded YVD virus to take hold.
The most important thing you can do as an applicator is to read the label. The label will tell you most everything you need to know. It will tell you how often you can spray, it will tell you if the product can be mixed with other sprays, it will tell you if plants are likely to be sensitive under high heat etc.
As for the foliar ferts, same thing follow the directions. Don't go heavier than the label suggests with them, as they are a salt and can cause damage to the leaves especially under intense sun and heat which you will have in Texas.

6/26/2017 6:32:19 AM

Linus Van Pelt (Engel Orange)

Menomonie, WI (mail@gr8pumpkin.net)

Apply the merit as a drench, then apply your contact. Otherwise you are just washing off your insecticide. The Merit will uptake through the roots into the tissue.

6/26/2017 7:39:55 AM

Big City Grower (Team Green Gro)


I'm pretty sure Ohio valley has a spray program on there web site float around the web and look at club web sites sometimes there are things there people forget about and why do the work when someone else has done it and figured it out

6/26/2017 10:41:35 AM


Torrance, Ca.

I did what big city grower recommended a couple years then tweaked it to my area. All the proper ratios are in the program and this will take a lot of the guessing work out for you.

My disease pressure is half of what it use to be.

6/26/2017 12:35:08 PM


Haslet Texas

hey thanks a ton fellas I will forsure check that out. I waited a day and am about to go spray. since I only did the merit as a foliar and not the drench, I wonder if the additional area I sprayed the soil around the plants will work for now or will my solution be too diluted for the foliar app?

6/26/2017 8:09:08 PM

Pumpkin Envy

Ellwood City, PA, USA

Here is a URL to the OVGPG Spray/Drench Program that was referenced:

6/29/2017 10:23:56 AM

Total Posts: 7 Current Server Time: 1/18/2019 1:47:52 PM
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