New answers tagged diagnosis
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Normally leaf curling down the length of a pepper leaf is a sign of some environmental effect on the plant (water, sun, fertilizer, temp), either too much or too little. Gardening always seems to be either too much or too little with the same effect.
Sometimes I just stop doing all things to the plant for several days and then re-evaluate.
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Sure looks like canker disease to me.
' CANKER, plant disease, caused by numerous species of fungi and bacteria, that occurs primarily on woody species. Symptoms include round-to-irregular sunken, swollen, flattened, cracked, discoloured, or dead areas on the stems (canes), twigs, limbs, or trunk. Cankers may enlarge and girdle a twig or branch, killing the ...
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It's possibly an early case of severe BER. There may be a problem with calcium availability, pH, your watering frequency, nutrient composition, temperature, and/or any of some other factors.
Calcium unavailability is implicated in BER, but the presence of BER doesn't mean the soil is necessarily calcium-deficient. It may just be in unavailable forms.
I would ...
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There could be so many thing causing this, but I don't think that this is caused by a disease. If this was cause from a disease, it would be more serious and there would be many more signs of a oncoming illness, not just from yellowing leaves. Because of the yellowed leaf tips, it may be going through some sort of nutrient deficiency, it may not be getting ...
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It looks like fungal infection from the photos. If that is true, similar brown patches with yellowish borders, like those visible in the mango leaves, should be present in the citrus leaves nearby. The fungal infection is likely to be more extensive in the citrus trees compared to the mango plant.
The infection can be treated with various copper based ...
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