Calag Archive

Since 1971, scales on iceplant have been reported in eight Bay Area counties. Trials show that several substances control scales effectively.

In an experiment comparing walnuts from irrigated trees with those from dry trees, the effects of lack of soil moisture on the normal seasonal development of walnuts were determined.

Maximum alfalfa seed set is achieved through slight water stress. Experiments with varying drip- and furrow-irrigation frequencies showed that the highest clean seed yields were achieved with furrow irrigation at 7-day intervals.

Introduction of

Preliminary pathogenicity tests confirm the role of Acremonium stricturn in the expression of vascular wilt of shasta daisy.

Pressure injection of iron and zinc is more effective and less costly than present methods used to correct deficiencies. The materials are compatible with Terramycin and can be applied with the antibiotic treatment for pear decline.