Killing Caterpillars with BT - BIOLOGICAL WARFARE! || Black Gumbo
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- เผยแพร่เมื่อ 23 มิ.ย. 2022
- When caterpillars show up in your garden, you must move quickly. Caterpillars can decimate a crop in a matter of days or even hours. At the first sign of caterpillar infestation, you must get rid of them quickly. I have found that BT is the best solution for these soft chewing monsters. BT stands for Bacillus thuringiensis, and works When the caterpillar ingests the bacteria. This bacteria causes the digestive system of the caterpillar to fail, and the caterpillar dies. I'll show you how to mix and apply this organic and safe solution. I'll also show you a failure, so that you can learn from my mistakes.
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Black Gumbo shares our suburban, backyard, sustainable gardening efforts. We work a small-scale, typical Zone 9a garden and raised beds, the kind of gardening accessible to all. We tend to take the slice of life approach and hope you will enjoy our family, our dog, our cooking, our adventures, and occasionally some commentary and advice. We love family, joy and friendship, and we invite you to enjoy these things with us!
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To overcome the short shelf life of BT I bought it in powered form from Seven Springs. It works just as well as the liquid form, and I think it is easier to handle too. Best of all, no more wasting of product throwing it away each year! Be sure to run fresh water through your sprayer after you use BT so you won't have the awful smell of dead bacteria in it. ;)
I had no idea about the heat/ storage issue! Thanks for learning that lesson for us 😁 I've found BT to be invaluable for saving so many varieties of plants from the nasty cabbage moth caterpillars that are rampant in my area.
Thank you for the heads up on the temp requirement on BT, I have left mine in my shed outside so I will be replacing my bottle this weekend! Blessings to you and your family.
something else to keep in mind along with storage. BT degradates fairly quick in sunlight even more so the higher the UV index.i always get more bang for my buck when i apply real early of a morning or near dusk. i seem to get better results with a late evening application honestly
Yeah, I put the second application on as the sun was going down, hope that gives the BT a better chance of wreaking havoc.
I had a bottle of Monterey BT from 2019. I didn't think it'd work but saw a lady online who says she uses the same bottle for years on her squash vine borers. So, last year, 2023, I used it on my zucchini plants, in the stems. It killed the vine borers just fine. So the shelf life was fine. But I kept it in my basement which stays reasonably cool. Anyway, I have a fresh bottle arriving tomorrow so I'll use the new stuff. HORRIBLE gypsy moth caterpillar infestation in PA this year. All the tree leaves are eaten to shreds. Trying to protect our pines and apple trees.
From what I understand of the product. It does not kill on contact. It need to ingest them and starve itself to death.
Best to look for a powder from and mix as you go for a longer shelf life!
Correct, they have to ingest the bacteria.
Honestly I didn't know it was that cheap at a box store. Good for you keeping it organic and thanks for the storage tip, it's gonna help a lot of people. 👍
Thanks for the shelf life information. I learned something new.
forealz
Oh no! I didn’t know this and my BT has been in my shed with my garden stuff. Thank you for this update!
Great content Scott
My okra has been eaten up by green grasshoppers. I added a little solar water fountain feature I made because the heat was so hard on the birds this year. I set it up near the okra not thinking about the grasshoppers. Those grasshoppers are gone and the birds come for water every day. It's so easy for us to forget how nature can solve many of our garden problems all by itself with just a little help from our friends. My okra looks great! It's kind of like when we are looking for something we put away in an unknown place and while we are looking for it, we find something else we've been looking for for years.
Scott, I didn’t realize about the storage of BT either. I used mine a couple of weeks ago. I need to get some fresh and store it in my utility room. Thank you so much for letting us know.🐛
My hero!!! I'm over run and nothing else has worked. I was wondering about BT and now I know. I also appreciate when you show us your troubles as well as your successes. Thank you so much.
Thanks for the info! That’s why ours did nothing too! We won’t store it in the garage anymore.
Caterpillars: spray weeks before the June spawning season.
Don't play games, spray in late may early June. Why risk a bountiful harvest for a 5 minute application per plant?
(Start with bottom leaves first, that's where the lazy ones hit first)
Ok I did use it right . I even checked my tomatoes and ended up finding the dead green horn worms. They turned brown. But it's good to know it works well. My next project was injections of my squash plants I lost 3 to the vine borers . So far it's working I haven't lost anymore. I did that last week.
That's the same monorty Bt I use . It works great for me so far . I spray in the evening and check in the morning. So far its working great 🙏🙏🙏
very well sir good luck.this video came out in a great time because i looked at my grape vine last week and i might have the same problem.
I got suspicious of the shelf life when I was going to order online. It would not guarantee the viability of the product and never bought it.
Great video Scott.
Thank you so much for this tip cause it’d hot in Houston and didn’t realize you have store inside the house#blessings
Great info on the storage issues.
Very important information. Thank you for sharing it.
Your number 1 Scott
Thank you for the information
Thanks for info. I didn't realize BT dies like that. 👍
My biggest problem has been Japanese beetles this year. I sure hope I don't have to fight those also!
I put out a Japanese beetle trap out every year. (Set it up away from your plants... i.e. opposite direction because the traps that use pheromones actually attract the little beasts.) It's amazing how many I catch every year. I have hibiscus as well as my regular veggies I have to protect. In my case, the trap is at the side of the house (no plants there) and my flowers are at the front and the back of the house. Works really well.
Awesome 👏🏼
I've been using Spinosad for several years and I think It is better than BT. It has never gone bad.
Doing the same for my plants. The grasshoppers are coming out so I am in process of screening in my porch and treating everything now. The heat is brutal
I heard that. Every bug in the world including ants. Plus no rain. Eveerythig Ive got is burned up. My blackeye pea cover crop is a disaster. The knods on the roots are so small hard see. Well on a good note thank you Lord for air cond.
most beautiful dear sir
What could I use to get rid of Japanese beetles? They have been laughing at my Neem oil. 😞
A Pyrethrin-based insecticide can help with them, don't use the traps, they just attract more beetles.
Thanks for sharing 🙏 😎 🏖 🏝
I've used it before and it does work really well for mosquitoes too, but caterpillars aren't my problem...it's squash bugs. They are a straight up nightmare. I don't even grow them anymore bc I get so fed up trying to get rid of them. It's too bad too bc they are my favorite.
🤔 hmmm... I bought mine at HD and it was not on shelf inside the store but in the covered area that gets hot (between the outdoors and the indoors). That may also affect the life. Darn!
Cannot say I ever seen those moths this far north, but I will keep an eye out for them. The grapes here are just now flowering so hopefully will have some in a couple months.
I'm waiting for the hornworms to appear in mass quantities like they always do in the summer. Thanks for the tip! Usually, the wasps lay eggs on them, but I can't wait while they eat away the whole tomato plant in a matter of minutes. So I'll try to grab a small bottle of this to have on hand for the month ahead.
Good lesson! I bet mine is no good either, thanks!
Just found something similar on my bush beans, Delicata squash, tomatoes and cucumbers. I dusted with Diatomateous Earth so hope tomorrow they will all be dead.
Thank u so much sir🙏🙏🙏
Can this be used to control Squash Vine Borers? If so how would you apply it? Thanks for your very informative videos. I have BT that has been in my garage over a year and I would not have known it had gone bad without your information. Thanks
Yes, it will kill vine borers if you can get them to ingest it. That's the trick. Once they are in the stem its hard to get to them. Some people inject BT solution into the stems of their squash plants. That's one method I've heard of.
@@ScottHead Or, if you have seen the moth flying around and get the Bt on the vines before the caterpillars bore into the vines. The will ingest it as the bore into the vine. Admittedly this is hard to time.
What kind of sprayer are you using? I have to pump mine too much.
I hope you get those nasty worms!!!!
Blessings!
It looked metal but you can get 1 gallon plastic bottle sprayers at the box store for $20.
This is the one I use: smile.amazon.com/gp/product/B0009KM25W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
If I may ask why did you buy the blue sprayer from amoson. I buy those cheep one that dont last I got 5 of them. Use for anything but it says Round on the tank. Looking for a good one. And and another thing will you show us how you chop down your cover crop.And what do use to chop with.
I have a worse pest in my garden now. A blasted mouse climbed my tomatoes and ate all my almost ripe cherry tomatoes. I have it on camera. Any recommendations for dealing with those little goobers?
Just trapping is all I ever do.
@@ScottHead thanks. Little goobers spit out the seeds all over my plant. There will be retribution.
i ghad to put some seven dust some kind of leaf eating pest is on my strawberries
Wish I could have seen how the fresh bt worked.
Check my video from today for the results.
I found bats in my yard is there a way you can attract bats to eat the worms? Also if there are bats will the bacteria affect them?
Thank you for the videos they are very informative.
BT is harmless to mammals so the bats are OK. I don't know that bats eat caterpillars (at least our local bats don't)
Hi. SCOTT.
How long does BT takes to kill caterpillar on my cannabis plants? I have the green caterpillars.
A day or two. They have to ingest it.
@@ScottHead thanks
How many days should I wait before harvesting leafy vegetables sprayed with BT?
three or four days, and then was really well.
@@ScottHead Thank you. I enjoy watching your videos.
Will this work for buck moth caterpillars on oak trees??
It should.
Is BT toxic to bees??
Hey Scott I have a question for you hopefully you can answer, I really put so much effort into my shirt the best of dirt organic fertilizer everything I didn’t use the dirt in Staten Island New York because it’s horrible south of the rescue years I’ve been living here I mean my soil is beautiful last year I had so so many egg plants and squash zucchini Japanese egg plants forget about the herbs I was a loaded I am upset loads of lemons now I don’t have nothing I think it’s dead besides that I wish I could take a picture and show you there was a tomato that was red I picked it and the bottom of the tomato was all black and don’t know if I have too much of something too little of some thing it’s not mushy but it’s just like a whole scab and it’s black so half the tomato the top is beautiful red and the bottom is all black I’m so upset because it’s hard for me but I really went out of my way I thought the shit I was gonna have it out really great harvest but I did get a beautiful zucchini already I didn’t get one too beautiful red tomatoes so I don’t know what it is what it could be maybe you know hopefully you can give me an answer thanks for listening I love you God bless
The tomato problem is probably blossom end rot, it is a common problem with tomatoes and has to do with uneven watering. Look up blossom end rot and see if that is your problem.
@@ScottHead I’ve always hear that blossom end rot means a lack of calcium in the soil and splitting of tomatoes is caused by uneven water.
Im buying BT armies today
Stop zooming in on those things making my skin crawl over here🤮😅😅😫
The word “organic” has lost all meaning. Who says this is safe and how do we know it’s true? Who makes it?
Please do your research. It’s a bacterium, very easy to use and a safe reliable tool with a limited life. It is a safe alternative to synthetic control.
@@livesoutdoors1708 if you did research then kindly answer my questions. Do you know who makes it? Who claims it’s safe? Where is it made? Many bacteria and other naturally occurring elements are genetically modified or synthesized in the lab.
@@livesoutdoors1708 if someone is recommending a product that is the very least they should know about it.
How about YOU dod your research instead of asking others to tell you their research. If you don't want to use it and can't do a little googling, that's all up to you. You can clearly see the manufacturers of both of the brands I used, and you can look them up.
@@ScottHead if you cannot answer the questions, which you obviously cannot, you do not belong pushing the product. If you cannot have a reasonable adult conversation you do not belong on my subscribed list either.