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How to Defeat Tomato Blight
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- Опубликовано: 10 авг 2020
- #tomato diseases #Tomatoblight
Gary Heilig, retired Horticulture Educator for Michigan State University Extension discusses
Fungal diseases that affect tomatoes
How to identify Septoria Leaf Spot and Early Blight
How it affects the plants and crop yield
Conditions that encourage the disease
Cultural control recommendations and
Chemical management tools (organic and conventional)
One thing I found that kills the fungus in the soil is simple, cheap and non-toxic, “Cornmeal”. I live in the northwest and I put in a raised bed. When I planted tomato starts as well as other types of plants they would die within a few days. I researched it and found that there was a fungus in the soil, so I looked for something to treat it with, but I was told that it would have to run it’s course and may take about 3 years. I found something on the internet that said cornmeal would take care of it. So I mixed some into the soil and didn’t have a problem after that with blight or black spot. I also had a severe problem with powdery mildew and black spot on my roses. I mixed it into the soil around the base of the roses and didn’t have a problem after that.
I heard cornmeal was also good to spread on top of the soil to prevent (weed) seeds from germinating. I have several pounds of it that came from a cattle feed yard
(on the floor/dirty), but I haven't tried it yet.
You'll have a problem with mice if use corn meal.
@@pentatonic7833 No.
@@valevisa8429 You have to turn it into the soil around the plant. You wouldn’t want to leave it on top of the soil where mice can get to it.
@@pentatonic7833 When I use it for my plants I sprinkle it around the plant and work it into the soil with my fingers. If you’re applying to your soil, just put a dusting on it before you till it. Just enough to lightly cover the ground. Too much won’t hurt it because it also acts as a fertilizer.
Short, clear and to-the-point! Excellent! Thank you!
My tomatoes have the blight because of too much rain. I was able to removed the disease leaves early on so it slowed down the infection. The fruits started ripening but I am not going to have an abundant harvest because of the wet weather we are having. Your suggestion to removed the disease leaves was spot on. Thanks.
Oh my goodness thank you you got right to the point I was sitting on a bucket in my garden and didn't want to have to watch a long RUclips happen onto your channel thank you
I get 200-300 tomatoes a year and thought I knew everything, but I still learned some things from this video. 👍
by far the best video on this topic; and the bit about distinguishing septoria leaf spot from early blight was perfect. you made it "click" for me. thank you!
First year gardener and I found black spots all over my tomato plants already. This video was better than any article I found! Thank you so much!
Agree with other commenters. Good instructions for those who love their tomatoes!!
I love how you explain things. Even though I know a bit about growing a garden and know there are different kinds of blight but you make it stick in my brain and the names of the blights and, well, you are just very good at explaining things.
Best way I’ve found to water tomatoes is cut the bottom out of a plastic pop bottle, remove the cap, and jam the neck into the soil by the base of the plant. Fill the bottle with water. If the soil is muddy and jams full the neck of the bottle, it will take maybe an hour for the water to drain out which I think is ideal. Do not wet the leaves if possible
You can also wet sheets of newspaper and put them around the base of the plant to keep soil from splashing up and infecting the leaves during rainfall. You can use landscape cloth spikes to hold them down
As the plant grows, I cut the leaves off the bottom 1/2 of the plant
Thanks for the "spot on" info about my tomatoes this year. This year in W.V. it seems it is raining off and on each and every day and the humidity is killing me and my plants. I have never had such a horrible time growing tomatoes. Thanks again for the info.
Thorough and comprehensive, lacking verbiage, which makes a nice change from those professing to possess knowledge.
A well earned new subscriber, incidently!
Thanks for uploading.
The ladies at church are firm, “never put tomatoes to sleep with wet feet!” Water before noon, trim the infected leaves.
Great video! Short, simple, to the point, and covers most of the material!
Thank you. Very informative. Personally, I found the background music to be annoying, unnecessary and distracting.
Subscribed! I've been gardening for quite a few years, but somethings you forget along the way. I'm dealing with blight right and have some neem oil. I'm watching this at 9:30 at night and want to get out there in the garden to apply some neem, but have to wait till morning. Thank you, for sharing the information, hope I can stop this blight.
Thank you, I live in Southern Illinois and have been getting early blight/septoria every year, I thought I was doing something wrong but I see now that the humidity is always going to be a problem for tomatoes here, at least I know how to extend the plants life now! Thanks!
Me too!
I got copper sulphate to treat my grapes, so now, I can do my tomatoes too! THANK YOU!
I am growing WVU's septoria leaf spot and light blight resistant tomato cultivars Mountaineer Pride (a slicer) and Mountaineer Delight (a beefsteak) this year. They were developed by professors Mannon Gallegly and Mafuz Rahman just recently. So far, in north central West Virginia's humid summer, they are doing very well, carrying a full load of leaves and fruit. I gently pruned the plants, applied a mulch and staked them. The seed can be purchased at Southern Exposure Seed Exchange.
Late blight
That’s great to know, I live in Tennessee by the Kentucky border, however I am originally from WVU, Morgantown to be exact and will check these tomatoes 🍅 out! 👍🙏🇺🇸🙌
HOWDY!!! I neeeeeed these! This is second year in a row my tomato crop has suffered. Southern WV!!!
This was straight to the point, and very informative. Out of all of the videos i searched up last year, i couldnt identify between the two illnesses. This video tells me that my tomato plants had the septoria leaf spot. Gratitude sent to your sister michigander in northeast oakland county. May your gardens harvest be abundant and healthy.
Thank you so much, Gary. Great information presented in an understandable and concise format. Much appreciated. God Bless!
Very concise and to the point. Thanks
Very very well presented and very helpful. Thanks.
I know it's an older video, but thank you for the info. I'm relatively new to growing tomatoes, and was wondering what was going on.
I just discovered your channel today and I love your videos!! Thank you so much for sharing your knowledge with us. I just discovered an interest in growing plants this year and it’s so helpful to find your answers here.
Yes indeed, thanks from a humid Missouri this in mid July to August so far!
I wish I'd watched this before planting 😁 Thankyou so much for taking the time to share your wisdom and teaching me without the waffle some sharers subject us to! You've got my follow, thankyou so much from the UK x
We are getting a lot of rain in Western NC this year and don't have time to trim the tomato plants because of all the thunder and lighting. We have few days with high temperatures and high humidity which has given us blight. Thank you for this video.
Thank you so very much for your simple and easy to follow teaching. I live in Cape Breton Nova Scotia and need lots of advice for my tomatoes and fruit trees! I am a newbie to growing food
Excellent video. Please continue posting. This video was concise and extremely informative. Thank you
Good job on this video. I appreciate the tips at the end. It's been very humid and rainy this year for me and all my Tomatoes now have it.
Thank you ! I love gardening, but when it comes to insects and diseases time after time I feel like giving up !
I place cardboard around the base of the tomatoes to stop splash up I never wet the plant only the cardboard water soaks through too much water tomatoes split and the cardboard slows down this down
I know what I need to do now. Thank you for posting this video👍
Always fight the blight in The Smoky Mountains and glad to find your information. I came across an article from Univ of R I suggesting aspirin in the planting hole. I have done this for 10 years after my first encounter with late blight and total loss of the crop. I don’t know if it helps but I see the different tomato diseases needing an all out approach from leaf picking, plant spacing of 54”, cages, and fungicide application on a regular basis. I will add need oil and copper sulfate to my Arsenal. Thank you. Cant wait to see what you suggest for late blight prevention. Oh, I also take all tomato plant residue to a remote spot and keep it our of the compost .
Bill williams does the aspirin in the planting hole work, thank you
I’m in the Smokey Mountains too and have an absolute horrible time of it. I’m gonna try all these things.
Burn it to ash and feed the ash back to the plant.
Wonderfully clear video. Thank you!
Could you clarify how to use the combination of Neem Oil and Copper Sulphate - ratio and any details - for tomato leaf spot / blight.
I’ve been using “Serenade”. and it takes care of most of these diseases including Blight...
awesome, this is truly some of the best info I've seen on YT...all the conjured up remedies "this product and that" never fix anything...so listen to this fella!
It's crazy, I moved from N Florida to Southern Kansas, and my tomatoes act completely different here.
I never fought against blight like I do here, and it's constant.
My girlfriend here was adamant about planting 3 Better Boys in a tote (holes drilled for drainage). I told her they will not do well that close together. They are my best producers. I'm confoozed! Just a little leave curl was all.
But my other potted cherry tomatoes and Beefsteaks, I'm in a nonstop battle with fungus. I have sprinkled baking soda in the pot soil, sprayed calcium with a Lil vinegar on the leaves, then next week used fungicide.
But, it's the first I ever potted tomatoes.
Next year, I will plant in raised compost because the soil is poor here without lots of work. The rains here are different than Florida, and I think my problem to readjust. I'm ready for next year ;).
My potted soil was a mixture of black cow (prefer black hen), potting soil, humus, spagma, and some sterile compost.
What an exceptionally well done, concise video! Subscribed!
Awesome information 😊. I tried a new gardening method this year (square foot gardening) and it's the first time I'm dealing with early blight. So far its only in one of the beds but im happy to know that i can prevent its spread. I'm in NC, so it's always humid
Hey Gary, Thanks for the info. There is a guy in Maryland, "The Rusted Garden", who has had great results with Hydro. Prox. h2o2. 8oz.ofh2o2 to a gallon of water he sprays to prevent and to stop the spread of all fungal diseases.
I have used the hydrogen peroxide this way, not as much, maybe 2 oz. at most. Had good results.
Hi! Would you please explain how you use it. Thanks!!
@@chuckredd9131 Hello, would you please let me know exactly how to use it and when
Much appreciated! Irina
The Rusted Garden says 1 cup hydro prox. to 1 gal. water in a sprayer once a week on the tomatoes, starting from the bottom, spray both sides of the leaves, After you have removed the infected leaves. I hope this helps, the rusted garden is a u tube channel. Test your plants before you spray!!!!!
Great content!!
Thank you for sharing your knowledge of tomato issues and care.
Excellent video and most helpful. Thank you so much !
Helpful. Please share tip of how much Neem Oil and Copper Sulfate we should use. Is to mix with water ?
Great information. Loved it. Thank you sir.👍
Thank you. My poor tomato plants have this issue! 😢 I've been spraying with neem and it's not working
Not one person talked about aspirin 325 mg non coated use 2 crushed up into a powder and a gallon of water. Stir i and mix it in a little warm water first. When I planted my tomatoes in my 5 gallon self watering system. I just watered the top of the soil so the aspirin water can get to the roots. Never had a problem. On the tomato leaves just use on 325 mg aspirin in a gallon and spray it on the leaves. Not on the middle of the day in sunshine. The I add calcium pellets to the soil as well when planting and this will take care of blossom end rot on type tomatoes. Good luck
This is the U Tube video on aspirin; ruclips.net/video/KgeOrjufh8w/видео.html
Is the use of aspirin recommended in organic farming?
Thanks Gary. Very well done and informative.
good stuff gary good to see someone that knows their stuff
We have a major issue with tomato blight here in FL. Thank you, Gary.
I have had a good season so far with blight only showing up on one tomato plant out of 10. Having them planted in individual containers is a big help in battling blight. After trying everything from 3% hydrogen peroxide to various blends suggested online, I finally found a way to almost stop the blight without having to treat that plant every couple of days. I decided to finally try some copper octanoate (Dr. Doom) fungicide.
It just worked and it keeps on working...I did a spray of the top of the soil in the container and all of the plant, including a good drench of the stems and branches...
Thank you! I live in Erie Pa. and I’m seeing this. It’s humid here because of the lake and we just went through two weeks of heavy rain at night.
I went to school in Erie. I am in LA, and all of my tomatoes have gotten blight.
Excellent! Wish I had seen this a month ago.
Daconil actually works. Having the plants staked, and deleafed up about a foot and open and in direct sunlight at sunrise helps a lot.
Another GREAT video! Thank you!
Thank you. Will now be able to address early blight here in CT.
Thanks so much for this educational video
Mulching with charcoal helps as well.
Gary, th an you for the excellent tip.
Great video. Very informative. Thank you.
Thank you very informative in a organized manner. It won’t help me tho I’ve been battling this disease for years now…..getting ready to quit soon.
Thank you very much, exactly our issues in central fl.
Good information, thanks
It's pretty bad here in Ga this year. Lots of rain, high humidity and high heat. I acted on a hunch and mixed about 3 tbsp of Dawn Ultra dish washing liquid in 2 gallons of water. Fully soaked my tomatoes and it has in fact halted the early blight. Also got rid of insects and apparently the deer aren't very fond of it either.
II also use it on my other plants, cucumber, squash and on raspberry, blackberry and figs. It's doing a great job at keeping insects away and stopped all the deer munching on everything.
Surely someone else has done this before? It certainly does seem to work great. No notice of ill effects on any of the plants. Just plain Dawn Ultra. The blue flavor, non anti-bacterial.
Since my first post I have had continued success against early blight. I later had a plant get hit with late blight and applied the spray. It did slow a bit but didn't stop the progression. I didn't followup any further with it and pulled the plant to prevent any further spread.
Yeah the combo of high temps and dry followed by a week of rain everyday in Athens, GA wrecked my tomato plants with septoria. I applied hydrogen peroxide spray but the rain everyday negated my attempt to halt it. Time to move on to the fall crops.
@@warrenalbert7922 I have been taking some big cuttings and sinking them in the ground about 8 inches and starting new plants. It's been working out pretty well so far. The Cherokee Purple plants have been taking the assault better than the rest of my plants hands down. You're only about 25 miles away from me but you get a lot more rain than I do. No doubt about it.
Thank you brother Gary 👊🏻🙏🏼
thanks gary...hear in florida its a no stop fight. nothing works 100% but i keep trying
This is very helpful. Thank you!
Good video and to the point - thank you.
Thanks for sharing God Bless All Good Americans
Thanks a lot!
Very informative.
🍅🍅🍅
What is wrong w/my comment, YT? You won't let me post it- PLEASE STOP- Nothing breaks your TOS:
I just now discovered your channel & this video. Thank you- This information is quite helpful.
That you for the wonderful information.
Gary. Legend mate. Good info well spoken.
Thank you for the tips!
I’m pleased I found this channel! Great information!
Thank you, Gary!!
Excellent video. The background noise, however, made it harder for me to understand.. I have hearing loss.
Are you aware of watering using feeding tubes? They are just a 4' PVC cheapest pipe about 2" diameter you can get with an angle cut on the bottom. If you try to drive them in the soil, they will stop up. It is better to put them in the hole as you are planting the tomato plant. You will need to help support the top of the tube until you install support for the tomato plant. The leaves do not get wet using this.
I water 2 quarts of miracle gro for tomatoes weekly until they begin blooming. I then switch to miracle gro bloom buster. It has less nitrogen for the plant but better supports fruiting. Get a funnel. I water 32 plants in about 30 minutes a week. I have a wagon to carry the buckets of water. I wish you well.
Very informative. Improved my knowledge and confidence. Thank you
Thanks good information
Great video ever! Thank you my brother.
Great video. Thank you!
Excellent info! Thanks
Thanks for your info.
Very informative. Thank You.
Great video!
Than you so much for commenting. I am truly glad you enjoyed it.
Excellent video. Very helpful
Hi Gary. I am so impressed with this video - very informative & to the point! Thank you! Could you tells us the proportions for the organic solution of neem oil & the copper sulfate!
It varies, but you also have to take the spray pump into consideration., ie, it's life usage.
Sounds strange, I know, but strong concentrations will effect if it works properly or not.
Most manufacturers of the oil or metal will give guidelines on mixtures.
I'd advise trying them separately, before combining and, even then, only in small amounts.
It's trial and error, basically, as no two pumps are alike and no two compositions are alike.
Good luck!
Your video was very helpful! Thank you.
Thank you Gary
Excellent.
great video. Thanks
Stumbled your channel, glad I did. Good stuff.
Thanks!
Thanks for the info!
Seeing a video like this just proves to me we are being watched/listened to.... Not once did I search for anything tomatoe related. Time to remove youtube permissions. Unfortunately youtube is a built in app! Thanks for the tips though!
Thank you, very helpful!
Great video straight to the
GreatInfo....thanks!
great video thank you
Great info sir. Thank you.