UACES Facebook Peas

Peas

August 6, 2016

question    I just returned home from three weeks of vacation and found that the leaves of my cowpeas are covered with a black         powder that doesn't brush off. I've attached a picture. Can/should I do something about it? The plants have just begun   flowering. I 

AnswerYou have (or had) a nice crop of aphids. These tiny insects suck the sap out of the plants and give off sticky honeydew.  Wherever the honeydew resides, a black sooty mold will form. Kill the aphids, and you take care of the problem.  With our recent heavy rains and wind, that may have solved the problem, since aphids are poor swimmers.  If not, insecticidal soap should do the trick


 

I just returned home from three weeks of vacation and found that the leaves of my cowpeas are covered with a black powder that doesn't brush off. I've attached a picture. Can/should I do something about it? The plants have just begun flowering. 

 

 You have (or had) a nice crop of aphids. These tiny insects suck the sap out of the plants and give off sticky honeydew.  Wherever the honeydew resides, a black sooty mold will form. Kill the aphids, and you take care of the problem.  With our recent heavy rains and wind, that may have solved the problem, since aphids are poor swimmers.  If not, insecticidal soap should do the trick.