2 Simple & Organic Methods to Prevent, Kill, & Combat Blight on Tomatoes
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- Blight is something that every gardener fears. Tomatoes are prone to
blight and almost every gardener faces it as some point in their life.
However there are 2 tricks to getting rid of blight, and even
preventing it in the first place. The best part is they are not only
easy to do for anyone, they are totally organic! Drop the fungicides,
drop the chainsaw, grab a glass of lemonade and settle down....
settled? Good. :)
Baking soda spray: • EZ Baking Soda Fungici...
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Fortunately, I live on Mercury, and my plants usually burn during the day, so the blight spores cannot withstand the flames of the fire. I do, however, have a problem with my crop being completely converted to carbon, though, so there is that.
Fantastic coverage of a very challenging issue, Luke! I used several of these tips this year and had my first blight-free season in several years. :)
Sheryl
Definitely binge-watching. After being incredibly overwhelmed with so much going on in my life, it's so nice to be able to just sit and watch a guy talk about plants.
Awe well thank you! I hope things get better for you!
I’m doing container gardening and the pots are raised up on pallets above the ground. I also mulched the dirt with cedar shavings to keep dirt from splashing on my plants. I also pruned the lower branches and removed suckers. I really hope my tomatoes thrive this year!
A good compost tea, with some liquid yucca extract mixed in after brewing, applied as a foliar spray, can work very well to defend against blight and many (if not most) other fungal issues (for a wide variety of plants), and does not have the down-side of raising pH or potentially damaging the plants. Also keep in mind that using a vegetable oil solution on plants in full sun is like putting suntan lotion on them (without sunblock). Leaves need to be able to fully aspirate, especially in full sun, and oil solutions can hamper this process. In contrast, a good compost tea will help colonize the leaves with beneficial organisms which help fend off the unbeneficial ones and works symbiotically with the plant, which helps it to be more healthy in the end.
i use this with about 1/10 of "worm pee" lol, i made a little worm farm and catch their liquids solely for pest control
High quality worm castings are the best base material for a "good compost tea". Keep in mind what you feed the worms has a direct impact on the quality of the castings as well. Feed your worms a wide variety diet, and the castings will have a wide variety of beneficial organisms (and other degraders) in it. The liquid drain off from your worm farm is actually called leachate. Be careful when using it directly on plants, because it will also likely contain anaerobic organisms and other compounds that have not been fully composted. Best use for the leachate IMHO is to apply to a compost pile, or to material in a composter to help speed up the composting process. A bit of rock dust along with it really speeds up the composting process. I typically can have good finish compost within about 6 weeks using this method, when composting in a good compost tumbler that maintains high heat levels.
I thought I would mention that the liquid yucca extract is used to act as a binder. It acts to help the beneficial organisms establish and colonize on the foliage, by providing additional nutrition.
yeah i've heard that before (composting/aerating) and theories are all over the place. i have such a small farm and very little juice so i jus use it in my "debugging" routine haha. I'll usually aerate it a bit, i had a problem with beetles and slugs but now i don't. Seems to work for me :)
NEEM oil is great too
Omg thank u. I’m a new gardener and I’ve been literally been going crazy about having early blight. All the sights and videos I’ve went to says I would have to totally get rid of and burn the plant, that I couldn’t do much. But this made me feel a little better and maybe I can still have a proper harvest. Thank u! Definitely going to try out the spray.
Baking soda is sodium bicarbonate key word here "sodium" DONT USE BAKING SODA! instead use potassium bicarbonate
I think I followed every tip besides the early application of baking soda but it's early August around 85 F and blight is thriving. Would you recommend or discourage using copper fungicide? I've been trying the baking soda solution but blight keeps advancing. Tomoatoes were awesome until last week.
Thanks! I was panicked to come out and find my tomatoes had brown spots everywhere all over their leaves. I have just started gardening this year and have watched a great deal of your videos. I feel confident that I can handle this small blight uprising. I blame myself for planting these tomatoes too close to my squash plants.
If you do not have much growing space, you can space tomatoes a foot apart and prune all the side suckers leaving one single stem. Trellis upward. Clear bottom foliage to increase air flow. Doing this will channel the energy to the main vine and make your tomatoes bigger. Pruning to one single stem will not decrease amount of tomatoes. Your tomatoes will continue to produce as if it were left to grow without pruning side suckers. Pruning to one single stem works well for creating good air flow as well as producing bigger healthier tomatoes.
This is what I do. I also take the bottom branches off to about a 12-18 inches.
Never have a problem with blight.
@@troyb4533I let the suckers grow to a few inches then pinch them off planting them to multiply the number of tomato plants… they root themselves.
Cheap, simple and nontoxic solution. Thanks a ton.
Will my soil in my raised bed need to be removed before I plant anything in it next year?
Thanks for your advice. I have blight and I think Im past the point of no return. I dont have enough garden space this year. Glad I have 2 plots. 1 isnt infected badly. Can I treat my potatoes with the soda solution as well as my tomatoes?
Had this problem for the past couple years. Thanks for these tips!
Just wanted to say thank you once again. I think that you are the most knowledgeable of the gardening channels that I watch... and I appreciate all of your information and research in detailed explanations that you give
Summertime blight organism are up in the tree canopy. when humidity is high and the temps high at night, the fungus spores explode into the misty night ai everywhere carried by the fog........
Watering the plant with garlic tea will kill the blight in the soil.
Great tips and tricks Luke. another brilliant episode.
Tony
Jesus died on the cross for our sins ✝️ praise God
Excellent explanation and coverage of this issue. This is much appreciated, because it is too easy to make the wrong choices out of desperation/ignorance.
I don't buy the dishsoap part, and for very good reason.
Dishsoap is a GREASE CUTTER, not an 'emulsifier'', so whatever OIL it is will be destroyed, and the purpose for the same is defeated. Mind you, oil and soap reaction to each other doesn't change just because you're using it on a plant. Mof, the soap isn't needed at all when you allow the water to dry >>> the oil stays put.
Btw, SHAKE your spray bottle. and realize it's the best "emulsifier" you can get.
🇺🇸
What if the blight has spread to the main stem? It also seems like all of my leaves have blight. What would I do in this situation? Mind you all 3 of my plants have it and they are all growing tomatoes.
Great info! Thank you for this. I've got early blight so I'm gonna do this
Hi. Thanks for a great video. I really identify with the sentiment that you can't just expect soil to be completely sterile of fungi and pathogens, it's just a ridiculous notion. As you say, it's about protecting the plants with sensible growing methods. With this in mind, I wanted to mention that i've taken to composting plant material when I prune and at the end of the growing season. My question is, if a potato plant (which I grow in a pot) has been affected by blight and I remove dead tissue, it's obvious that the soil must containt blight. My question is, can drying out the soil in the sun, without necessarily eliminating the blight, will it deplete it so it isn't as prevalent in the soil the next year? Thanks, Nathanael
It's 90s here now, plants are no where lush. I believe I have blight too. If remove them I'm left with basically nothing. I pruned pretty far from base. I have mulch over soil too. I have no idea what to do now. Any tips? I wish it was simple for me too. Thank you
What is the ratio of baking soda and vegetable oil to be mixed with water for controlling blight in tomato. Please reply.
One gallon of water
2 tablespoons baking soda
4 drops of Dawn dish soap
1 tablespoon of vegetable oil
I got blight in the tomato raised beds for the past three years. I even used Neem. Nothing worked. I will try the baking soda mix. I always remove lower leaves. What about using weed screen/landscape cloth over the soil and then mulch??
Dude I’m about to give uuuup on tomatoes I cannot win 😭
I feel you. It's more complicated than I expected it to be.... there is so much stuff you have to take into consideration... it's quite a process. It's my first year and I've had about 50 plants... not sure if I will do it again.
Stanislava Simeonova it’s a science for sure. And definitely not cheap to buy all the supplies for it all to just die on you 😩😭
@@codegirl2069 Buying them can be better. I just pulled out all my cucumbers due to beetle attack.
Can you use the spray on peppers, potatoes? Really like tour channel, thanks for the helpful content.
Thank you for these garden tips. I generally don't get early blight but I more time than not get late blight. The tip about wiping down the cutters with alcohol was fantastic. Again thank for such informative information.
We are having a cold spring. All 5 of my super 100 cherry tomato plants have early blight! Happened in the last 3 days. I trimmed the dead parts off. Hope I'm not screwed! They are only 8" tall.
Late blight comes in on the wind from the south. The further north, the later it may appear. Tomato transplants from the south may come in with late blight.
I love your videos. They're very informative. Love your garden also. I recently started gardening in my backyard n have a lot to learn. One of my tomato plant leaves are burnt. What's the cause and how do I fix it.
Love the video. Oh boy, I just had a field day. One of my spider plants had a fungal infection treated it with neem oil hoping that would help, and then my nonstop apple blossom begonias had blight. I am trying your method with baking soda. It killed me to have to cut off some of the flowers and leaves. It needed to be done before it transfer to other healthy flowers and leaves. Hopefully, the flowers will grow again😢.
Can you plant tomatoes in the same raised bed if I have had blight the year before? I read I have to rotate tomatoes out of the bed.
Hmmm, can the baking soda spray be used on potatoes?
I've been gardening for yeas and I don't know what tomato blight is. I would like you to show me pictures and explain what it is before launching into how to fight it
Lucky you. Also the power is in your hands. You have google, yes?
I live in Florida and constantly deal with blight, any suggestions
Fellow Floridian here, the only thing i have found that has really helped is to do like Luke says and trim off all of the low lying leave and branches. Also, if you are using raised beds, make sure to fill your beds all the way to the top. I have found that in years where i didn't quite fill the beds up to the max and there was a few inches of space from the soil to the top of the beds that the blight is worse. I don't know if it like holds the blight spores in or what but when the soil is all the way to the top of the boxes it doesn't seem to happen as bad
Oh and also use some kind of mulch to prevent splashing, in Florida we get those short but super hard tropical rains that splash the soil up onto the plants like crazy so make sure to put down some pine straw of hay or wood chips or something to prevent the soil from getting splattered all over the base of the plants. This happened to me on my first year really bad I had to go out and rinse all the dirt off the plants constantly until i added some mulch.
Dylan Cummings Thanks for the info, I usually grow my tomatoes in 5-gallon pots or grow bags but this year I've had a terrible time with blight, lost a couple to it but will give this a try 😀
I am an experienced grower and some years blight is just a lot worse than others. I will try this baking soda method though I have tried a mixture of other bicarbonates and that didn't help.
I’m going to try this. I’m having blight and rotting.😊
Will blight kill my tomatos? It’s been in the 70s lately but 90s will soon comeback soon!
Hmm. You must have changed your opinion at some point. I just watched another video where you said it doesnt matter. I should really see when video you made first to see what your current opinion is. Great video like always
The blight ridden leaves will be fine to put in the compost IF the compost system is heated properly. But if it’s not then they won’t dye.
I believe I found blight on my calendula.
Used to never have blight. Have it every year now.
can you use neem oil and baking soda in combination thanks for all the good vids
I have pruned and pruned and pruned (18” of foliage from the base, kept the suckers pruned off and kept any dead leaves pruned as well), done as close to a 1 stem method, tried an aspirin spray, plants are 18”-24” apart. Still getting blight. Gonna try the baking soda spray and 🤞🏻it takes care of it! Thanks for the video!
Kayla McCloud did the baking soda end up working?
It helped a little if I remember but I still didn’t get a great harvest
Love from India.
Thank you for sharing very useful tips👍👍
I did all that but got blight. Too much rain.
Excellent vid thanks
Was wondering since the blight is soil bound to start with and then gets blown around by wind can you do the baking soda wash (no dishwashing liquid or oil) directly in to the soil after harvesting is finished to lower the pH of the soil to a point where blight cannot survive? And or raise it up in acidity for a week or 2 to kill the blighters?
In another video u said its ok to compost blight leaves. Which is correct?
I might be using this advice for both my tomatoes and my calendula.
you can avoid a lot of tom. problems by planting ceiibrity tom. plants immune to 5 major problems
You are so knowledgeable, I loved this video tips and tricks and I subscribed. Unfortunately 3-4 days of straight heavy rain in Los Angeles spread early blithe to my early girl tomato plant I bought that was $20 down the drain... I just got beef master hybrid and better boy. Although they’re smaller plants I feel like I’ll be ok and at least I know what to watch out for. First time gardener.
How ofter do i spray?
Last year I think I got late blight on my tomatoes. And the garden where the were had no easy water access so I decided to leave them. So I stopped watering at all and just let them die. It was very dry year and they started withering. But then rains came and the plants revived an there was no sign of the blight on the new growth. They gave many tomatoes... but the stink bug came and destroyed the tomatoes...
this is before he learnedto single stem
If the blight persists even after the baking soda/oil/dishsoap solution, should I just cut it off?
can you use the spray on potato leaves? I have found blight on my potatoes, and don't want it to spread. I have actually cut down some of my plants and will harvest those as early potatoes, but I want to treat the rest of them so I can leave them in the ground for bigger tubers in fall.
If tomatoes don’t like water on their leaves???, here in Australia we can have rain after a hot day? What can a person do to prevent from blight forming?
What about the tomato blight powder you can buy from the supermarket or nursery- any good?
He has videos on aspirin spray preventative and the baking soda spray here
I so appreciate this video!! Thank you!!
I have these little clear looking worma in my inside tomatoe plants. Do you know what they are? Also if so what can i do to get rid of them. Could it be the organic soil i got for them maybe?
Fungal Gnat larvae are in your soil. You can use a mix of 1 part hydrogen peroxide to 4 parts water to kill them. I wouldn't go stronger than that as your plant's roots will also be damaged. Use some fly paper or tanglefoot on a yellow cup for the adults.
My potatoes have blight. I’m so sad.
if you're growing potatoes or tomatoes in 5 gallon containers, and your plants get blight, do you have to get rid of the soil in the container?
George Streeter I hope someone replies. I’m dreading the idea of tossing all that soil
Thank you Celestial Chief, I get your message! :>)
I heard that using the soil for other vegetables for other vegetable family is fine but i will suggest to add some nutrition s to to soil like compost or compost tea
Either use it for other veggies, or spread it on concrete ground and let summer sun bake it should kill the fungus.
Using a dilute bleach solution can be more effective than using alcohol for dipping your garden snips in, especially in regard to helping defend against spread of various plant viruses. Most nurseries or other commercial growers use a bleach solution rather than alcohol for this reason. Do not use beach with any gold plated tools though, it will dissolve the gold plating. I found this out because I have a gold plated cigar cutter (scissors type) that work very well for pruning.
UrbanGardenFarms who ,and why would u bleach food ? Yes I know in the stores blah blah blah,but bleach isn't meant to be consumed no not for me.
Thank you for this helpful video ! I heard wrapping your tomato plant with copper wire can help to prevent it... What is your opinion on this ?
Do these methods work for potato plants too??
Thank you. This is very helpful and I will try it!
have you posted a video on this already? I remember watching something like this on your channel already.
I dont think u could find anywhere how much dish soap you add to the mixture, the older video doesnt use it.
4 drops per gallon of water
@@Twobarpsi thank you
@@kaitopet8048 👍
Can I feed the pruned leaves to my animals?
I miss this intro
mulch or row cover works well too
Baking soda is alkaline, not acidic
My freand for three years had problem with blight, thanks for the tip
When pruning very easy to also do a little weeding.
How often do you apply the baking soda?
Thank you so much for these great tips.
If we spray the tomatoes with your solution and then it rains can we spray them again or due I have to still wait the 2 weeks
If it rains more than 1/2" you can reapply immediately.
Last year I had no blight. This year very much so, and after a drought!
Don't understand that.
Same, my papaya, very hot here, and we're in drought ??
can you please tell me what heirloom tomato variety is suitable for growing in india
Dude, he lives in Michigan in the u.s. How's he gonna know about India? 🤣
Good tips,Thanks!
thanks for the great tips
thanks Luke. Great tips!
Would using neem oil work even better than vegetable oil?
Did any one reply to your concern? I have the exact thing happening. Sprayed 4 of my tomato plants and all are wilted, yellow and sad. Did not spray two other plants and they are going strong....I am concerned about loosing the entire crop too.
Thanks! That really helps.
What are all the little plants under and around the tomato plants?
Weeds
Thank uate
Great tips :-)
How do you know if you got it? What will the leaves look like?
Your tomatoes get black spots
Grey stems, white mildew, tomatoes turn brown before they ripen, plants almost die overnight...it seems to be on the stems before the leaves....spores splash up from the soil so mulching and pruning away the lower leaves is very important..
won´t the spray cause sunburns on the leaves?
Nope!
perfect! Thanks! =)
question......if you have blight one season, can you top your soil with blight free compost or mulch to prevent the blight spores from getting to the leaves the following year?
Just found you. So glad I did. First time planting tomato's. How often should I spray them with the baking soda/oil blend?
Going to try the baking-soda solution right now. I am 99% sure my blight issue is being caused by bad airflow, so pruning will happen also. Mine is early blight.
Philippians e: 9-11 Wherefore God also exalted him to the utmost, and gave him a name that is above every name, that in the name of Jesus every knee should bow, of those who are in heaven, and on earth, and under the earth; and every tongue confess that Jesus Christ is the Lord, to the glory of God the Father.