Calag Archive

Populations of root-lesion nematodes on roots of Shasta strawberries ranged from an average of 2.5 per sample pint of fumigated soil to 59.5 per pint sample of untreated soil in counts made in 1951.

Spidier mite injury has increased during the past several years in northern California walnut groves.

Damage by the fruit tree leaf roller is held to a minimum if an effective insecticide—DDT, DDD, parathion, or EPN—is applied seven to 14 days after egg hatching begins.

Air transportation—because time is an important factor in the effective marketing of certain fruit and vegetable crops—may provide an important service in the distribution of perishable products.

A new type lemon clipper, and a new method of picking, increased the actual fruit picking rate by 30% with an overall rate of harvesting productivity increase of 10% during 1951 field trials.

Part I of a series of reports of studies on the effects of packing house equipment plant layout, and work methods on efficiency and costs made co-operatively by the University of California Giannini Foundation of Agricultural Economics, and the Tareau of Agricultural Economics, U. S. Department of Agriculture, under the authority of the Research and Marketing Act. Detailed reports are available by addressing the Giannini Foundation, 207 Giannini Hall, University of California, Berkeley 4.

Three irrigations a year—between June and September—of 7.5 acre inches each seemed to constitute an adequate irrigation program for French prunes in Yolo loam during a 16-year test at Davis.

Garlic is one of the oldest cultivated crops—and California produces some 80% of all that is grown in the United States—but there have been few studies on its development under field conditions.