Investigations into the nature of the potato psyllid toxin
The potato or tomato psyllid, Paratrioza cockerelli (Sulc) (Homoptera: Psyllidae) is a pest of many solanaceous crops in the western U.S. and causes a disease in potatoes and tomatoes known as "psyllid yellows". The disease is caused by a phytotoxin produced by the potato psyllid that is systemic and causes many morphological changes in the host plant which can lead to crop loss. The effects of potato psyllid feeding on the yield of several varieties of potato, tomato and pepper were investigated. Tissue cultured potatoes were studied under greenhouse conditions by infesting the plants with ...
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