Yellowing leaves

KnightRider
KnightRiderstarted grow question 6y ago
Hi Growmies, im in week 7 of my flowering cycle, my leaves have started yellowing between the veins before turning brown and dying from the tip inwards. Is this a calcium deficiency? Or is it natural dying from the end of flowering cycle or something else? Please advise thanks ✌️
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Week 16
Leaves. Color - Yellow
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TheUsualSuspect
TheUsualSuspectanswered grow question 6y ago
Its in week 7, breeders strain specs says 8 weeks flowering. But from what i can see on pics the trichomes looks milky/amber enough to flush and then close light for 48/72h and harvest. Dont worry about deficiencies in last 2 weeks of grow cycle, its perfectly normal that leaves withers to show tjat lifecycle has come to an end...
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The_420
The_420answered grow question 6y ago
Hello, it looks like your leaves have experienced a little thermal shock. They must have gotten too hot. I saw in your diary that the temperature was 27 degrees; ideally, it should be around 25%. I hope this helps you!
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MadeInGermany
MadeInGermanyanswered grow question 6y ago
Hey :-) Look with a microscope 👌If the trichome heads are about 70% milky and 30% clear, you can start with the flush. If the trichomes are about 70% milky and 30% amber, it is a very good time to harvest 👍🙏🏻 but do not pay attention to the leaves of the trichomes on the buds 👍
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NewbieLearner
NewbieLearneranswered grow question 6y ago
looks like a bit of an infection. Try removing all the affected leaves and then see if it starts appearing on other leaves. How much calmag have you been using during the cycle?
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