Trees required in life cycle of certain root aphids

Also in this issue:

Economic aspects of fertilizing high value crops in California fields

Soil properties and citrus production affected by management practices

Disinfestation of planting sites may improve growth of Navel orange trees on Troyer citrange rootstock

Influence of extractives on seasoning stain of redwood lumber

Responses of rice to photoperiod

Nematode-free garlic planting stock

Goleta tests probe effects on lemon production by accumulated soil nitrogen

Fly control on a mushroom farm in southern California

Decline of redwood trees

Chemical changes in processed foods

Lygus bug damage to table beet seed

True plant bugs on stone fruits

Nematodes attacking cotton

Weed control in sweet pea seed crop at Lompoc

Relation between auction prices and supplies of California fresh Bartlett pears