03 Oct 2026 Global Potato Industry General partnerAVGUST
The Global Potato Industry
AGROTECHNOLOGY

Chemical Damage

1 min read Updated
Chemical Damage
General partnerCrop protection for the potato industry
Damage
Spots with bleached appearance on leaves caused by a mixture of pesticides and nutrients
applied in hot and humid weather.
Damage1
Top-dressed nitrogen fertilizers often burn foliage if applied when the weather is hot and humid. This is most likely to affect the growing point or newly
developing leaves, where granules of nitrogen may be trapped.

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