Please help identify pest, disease

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Cynical Odessa, TX Aug 10, 2018

This is on my amaranth.

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Kell San Leandro, CA(Zone 9b) Aug 10, 2018

I really can't tell from your pictures but it reminds me of caterpillar feces though more than I have ever seen. LOL . I would try using B.T. It is not a poison to people or other insects. If it isn't caterpillar damage, it won't hurt anything and you can then try a general systemic on it.

"What kills caterpillars?
B.t. to the Rescue Bacillus thuringiensis var. kurstaki is a naturally occurring bacterium that kills certain leaf-eating worms and caterpillars. Simply spray Caterpillar Killer onto trees, shrubs and vegetables so that worms and caterpillars eat the treated vegetation."

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VincentRosas Buffalo, NY Oct 04, 2018

Amaranth leaves are very much edible and a good nutrition source in their own right.

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VincentRosas Buffalo, NY Oct 04, 2018

I think plant bugs had caused serious damage to your amaranth leaves. You should apply a layer of mulch will help to prevent weeds and conserve soil moisture.

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Kell San Leandro, CA(Zone 9b) Oct 04, 2018

Vincent rose, it would be cheaper to toss the plant and buy 100 more rather than pay for pest control for a caterpillar.

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