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newbiedean

yellowing of the leaves at the tips

17 posts in this topic

can anyone tellme what this is. its appeared on one or two leaves on each plant...is it something to worry about?

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You need to upload some pictures mate. It could be any number of things!

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Most likely nute burn if it's at the tips. Pics would tell  a lot though.

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large.webcam-toy-photo8.jpg

 

im using plagron batmix and havent used extra nutes through veg, going to introduce bloom now im ready to flower but im not wanting to until ive sorted these leaves out really...if i need to that is?

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i forgot to attach the pics first time...had a few tonight:fart:

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From that pic they look a bit hungry, another picture of the plant as a whole would be good, along with a little info on your watering schedule, pot sizes, temps etc

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POT SIZE IS 10l, I WATER AN HOUR AFTER LIGHTS ON (18-6) AND AGAIN ABOUT HALF WAY THROUGH LIGHT IF NEEDED NOW, I WAS ONLY WATERING ONCE A DAY AROUND 1.5 LITRES. NOW I WATER BETWEEN 1 AND 1.5 LITRES THEN UP TO ANOTHER LITRE 9 HOURS INTO LIGHT ROUGHLY IF NEEDED. IM HOPING THAT SORTS IT. TEMPS GETTING AS HIGH AS 31C AT THE HEIGHT OF THE DAY AS ITS SUNNY HERE. IM GOING TO GET AN EXHAUST FAN AND FILTER TODAY TO KEEP THE TEMPS DOWN THEN I CAN FLOWER. MORE PICS LATER. AS I SAY THIS IS ONLY ON 3-4 LEAVES ON EVERY PLANT.

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You'll get more answers if you post in the right place :skin_up:

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oh i dont know what im doing on here. im new :( where would i put this?

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Posted (edited)

Hi @newbiedean

 

Easy done mate... just re-post your Q in the problem solver board (sick plants thread, I reckon) and give as much detail as you can inc. your pics...

 

Good luck! :v:

Edited by Slugums
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I see youre growing in soil...if thats the case you really need to stick to a wet/dry watering cycle. This means you need to let the pots dry out before giving them any more water. Ideally so theres roughly 10% water left in your compost. Its unlikely your pots are drying out this much if youre watering them twice every day! You also need good airflow in order to have healthy plants, you wont have this if you dont have any extraction and also risk getting busted if you dont have a filter attached to it. Flowering Cannabis really stinks and is almost impossible to mask without a good filter. Get some more pics up brother!

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Hi Dean.

 

As others have said, it would be easier to tell if we could see the whole plant, but it could be light burn.  Might you have left droplets of water on the leaves?  If it's a bit close to the light they can act as lenses and cause damage like that.  As long as it's not getting worse, you probably don't need to worry.

 

I'm a bit concerned about your watering, because it shouldn't need watering anything like that often if it's in compost in a ten liter pot.  Usually that would only need watering twice a week, and watering it as much as you are should have drowned it.  But it doesn't look drowned, which suggests it's way too hot in your GR and the planet is transpiring heavily, the plant version of sweating, and burning all that water off.  Or that the pot is leaking badly.  Get a proper extraction fan in just as soon as you can.  It's not just about avoiding getting busted, the plants need huge amounts of airflow, especially when the weather is hot.

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il take some more pics this morning and upload. thanks for all your help. im getting the extractor today :) i have moved the light up to 18" above canopy and the water droplets...that could be it. i do spray them regularly with plain water...is that bad??

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these are some more pics of tyhe leaves and one of the whole plant. sorry the camera is awful...does this help?large.IMG_20180516_114108.jpglarge.IMG_20180516_114049.jpglarge.IMG_20180516_114020.jpg

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Still best to move this to the problem solver board... That said... if you spray with water during light on or shortly before, or if they have droplets from transpiration, those droplets will magnify the light and burn little spots in the leaves...

 

Problem solver board! ;)

 

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