Matching the spray to the tree

摘要

How do fruit growers adjust spraying to fit the sizes of trees in their orchards?"Trees have gotten smaller and canopy volume has decreased, but pesticide labels are stiH written in terms of so much per acre," said Dean Polk, a Rutgers Universityentomologist who is its tree fruit IPM coordinator in New Jersey.As products have gotten more expensive, growers have every reason to want to use less if they can and still feel assured they are getting adequate coverage and protection. Yet they are often frustrated when thev seek advice.