Correction

Also in this issue:

Marketing California dates: Variable supply and quality, thin but widespread demand create problems to be overcome by orderly marketing

Apricot harvest predictable: Method of reliable forecast five to ten weeks before harvest an aid in merchandising fruit at right time

Walnut pest studies, 1950: Conventional and air carrier sprayers compared in codling moth and aphid control for northern California

Quick decline virus: Transmission tests indict the melon aphid as one vector of the disease

Current economic research: Agricultural economic studies cover farm management, conservation, marketing, commodity analyses

Use of fire in land clearing: Selection and preparation of the area to be cleared by planned application and confinement of fire important

Greenhouse roses: Control of powdery mildew and rust on certain varieties in bay area

Chrysanthemum pests: New chemicals promising against two-spotted spider mite and aphids

Mites on cotton: Control of spider mites varies with species attacking the plants

Raisins for turkeys: Fed at will with no harmful effects on growth and quality

The carbohydrate metabolism of Stipa pulchra