The multiplying mosquito

Also in this issue:

Factors affecting Ethephon as an aid in fruit ripening of peppers

Control of Ramularia leafspot of strawberry

Effects of air pollution on cotton in the San Joaquin Valley

Harvesting pears mechanically… a new approach to fruit collection

Rapid tissue testing for evaluating nitrogen nutritional status of (1) corn and (2) sorghum

Rapid tissue testing for evaluating (2) nitrogen nutritional status of sorghum

Broccoli shipping odors caused by poor air circulation and low oxygen levels

Autoradiographic method for studying absorption and translocation of herbicides using C¹⁴-labeled compounds