All Issues

Approximately 250 seed harvesting tests with seven different crops–alfalfa, Ladino clover, red clover, alsike clover, Birdsfoot trefoil, barley, and Merion bluegrass–were made during the three years of 1951-1953 on 30 different combines and two stationary threshers.

The footsteps of a single drywood termite can be heard with a listening device designed as a tool for use in research.

Concentrated Fordhook lima beans –subjected to experimental variations during processing, freezing, and subsequent cooking–were adversely affected by increased delay time after vining, decreased blanch time and temperature, increased freezing temperature, decreased cooking time, and increased calcium content of the processing and cooking water.

A seed-coat deformity in lima beans –responsible for lowering the grade of the frozen product–has appeared in some of the green lima bean areas of California during the last two years.

Nitrogen, in the form of biuret, has a toxic action on citrus–when present in sufficient concentration–as demonstrated in tests with rooted Prior Lisbon lemon cuttings in sand cultures.

Avocado root rot fungus is effectively killed by methyl bromide when applied to the soil, but thus far no fumigant has been found that will not damage the roots.

Abatement of the offensive odors rising from disposal ponds of liquid winery wastes is a major problem of many California vintners.

The principal canning variety oí tomato in California in 1940 was the Santa Clara, but because of the spreading of Fusarium wilt in the Woodland area, it was thought that a Fusarium-resistant Santa Clara was needed.

Demeton has shown most outstanding promise for control of aphis and red spider mites on citrus.

Three varieties of walnuts–Payne, Placentia, and Franquette–Juglans regia on J. negri rootstock–were analyzed for their content of pantothenic acid, folie acid, and vitamin B₆ in an extension of previous studies of the vitamins thiamine, riboflavin, and niacin in the same varieties.