This revision updates information on susceptibility of grapevines to several common herbicides used in agricultural production. Color photos illustrate injury symptoms. The publication provides practical measures that vineyard owners and their neighbors can take to reduce the risk of herbicide drift and injury to grapes.
The use of management units for soil testing and nutrient application is an
effective strategy to increase accuracy in monitoring and managing nitrogen (N), phosphorus (P), and other nutrients. A management unit can be a group of fields, a single field, or an area within a field. To measure changes...
The larvae, or “worms,” of sawflies resemble small, green caterpillars
that feed on the leaves of various plants. Although sawflies are
rarely an economically important problem in Oregon cereal crops, unusually large populations (300 larvae/10 sweeps) of one species, probably Pachynematus sp., were found in Umatilla County in 2003. The...
Mustard and rapeseeds (Brassica sp.) are native to the temperate regions of Europe. They were among the first domesticated crops. Mustard has been cultivated for at least 4,000 years as an oil, spice, and medicinal plant. It has been cultivated not only for seed, but also as a forage, green...
Correct identification of pest problems is the beginning of a successful
integrated pest management (IPM) program. Regular scouting can provide early warning of problems, allow the widest range of control options, and bring favorable economic, ecological, and social consequences.
Homeowners have a multitude of options for pest control. This guide suggests ways to control garden pests using safe and ordinary household chemicals. The good news is that the ingredients needed can be found in your kitchen or medicine cabinet. Examples include baking soda, beer, vegetable oil, chile peppers, vinegar,...
Published February 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Recommendations in this nutrient management guide apply to spring or winter canola (Brassica napus or Brassica rapa) grown under irrigated or dryland management in rotation with a variety of crops. Recommendations for nitrogen, phosphorus, sulfur, potassium, zinc, boron, and lime are covered in this guide.