Jackfruit Trees
Q.

Jackfruit tree leaves drying out. part II

Zone Moscow | MalibuElan added on August 3, 2018 | Answered

Recently i asked a question about leaves of my Jackfruit tree drying out. Drtreelove answered that it is mainly because of micro-nutrient deficiency, but he need more info. I post a picture of the whole tree. Watering is as usual nothing special on that. The window is directed south so it gets lots of sun during the day. If it's micro nutrient deficiency, how can i add it in, should i use something general?

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drtreelove
Certified GKH Gardening Expert
Answered on August 3, 2018

Thanks for the photo. That confirms its an indoor container plant. The pattern of leaf discoloration, browning and yellowing of the tips and leaf margins indicates water deficit (drought stress). But this can be caused by root rot from over watering. So I recommend that you use a soil moisture meter and get the watering right, not to much or too little.
Other aspects of the leaf discoloration that I see is yellowing between the veins. That pattern usually indicates a nutrient deficiency.
I recommend that you find a compete organic fertilizer with a full range of plant nutrients. I don't know what's available in Moscow, but I can give you an example from the US https://www.downtoearthfertilizer.com//products/blended_fertilizer/all-purpose-4-6-2/
Notice that it has Calcium, Magnesium and Sulfur components as well as trace minerals, which most commercial chemical NPK fertilizers do not.

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