The potato tuberworm, Phthorimaea operculella
(Zeller) (PTW), is one of the most important limitations to
potato, Solanum tuberosum L., productivity worldwide.
Leaves, stems, petioles and more importantly, potato tubers,
in the field and storage can be seriously affected. Due to the
relatively recent arrival of the PTWin the United States...
Potato purple top disease is caused by a phytoplasma
known as Beet Leafhopper Transmitted Virescence Agent
(BLTVA), which is vectored by the beet leafhopper (BLH,
Circulifer tenellus Baker). Previous studies determined that
BLTVA can cause significant reductions in yield and tuber
quality; however, quantifying the damage caused by BLTVA
and...