Medfly problem simmers

Also in this issue:

Effects of infection with Rhynchosporium secalis on some components of growth and yield in two barley cultivars

Reflections

If medfly infestation triggered a trade ban: Embargo on California produce would cause revenue, job loss

Excess nitrogen raises nectarine susceptibility to disease and insects

Drip irrigation controls soil salinity under row crops

Hedgerows use more water, but increase efficiency, profit in young walnuts

Nutrition videotapes reach low-income WIC audiences

Electrostatic sprayers improve pesticide efficacy in greenhouses

Parasitoid shows potential for biocontrol of eugenia psyllid