Curry leaf plant new shoot blacken and die


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Hi ,

I live in Melbourne, Australia and my curry leaf plants new shoots are blackening and dyeing off. I was talking to a few friends and they think its because its still cold at night, but I am not too sure because some of my other friends have plants that are doing fine in this weather.
Please find some pics of new shoots.
 

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Thanks for the reply. I will try to not water them for couple of weeks to see if that helps. I only water them once every two or three days and the water seems to be draining off pretty well. Can that be fungus? The only spray that I havent tried is a fungicide.
 
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There is a direct relationship between N and P in the leaves and temperature. You should purchase and use thermometers for the soil temps and the plant temps as well as the ones everyone has taught you to use for the air temps. You will find it interesting I suspect.
 
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Thanks for the reply. I will try to not water them for couple of weeks to see if that helps. I only water them once every two or three days and the water seems to be draining off pretty well. Can that be fungus? The only spray that I havent tried is a fungicide.
Yes, Root Rot Fungus. It kills the roots, blackens stems and affects leaves as well. Fungicidal sprays don't work very well against Root Rot. Take the plant out of the container and look at the root. If they are brown or black they are dead. They should be creamy white. Wash away all of the soil from the roots, clean the container, repot with fresh potting soil and do not fertilize until you can see new growth. Do not water as often.
 

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