Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Defoliation for early pruning Bartlett: Pears defoliated without tree injury by application of caustic dust in tests on most efficient use as defoliant

Author

W. H. Griggs

Author Affiliations

W. H. Griggs is Associate Professor of Pomology, University of California, Davis.

Publication Information

Hilgardia 12(9):12-15. DOI:10.3733/ca.v012n09p12. September 1958.

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Abstract

The principal ingredient of a lime nitrogen fertilizer—calcium cyanamide—has initial toxic or caustic properties, in the presence of moisture, that cause plant leaves to absciss.

Griggs W. 1958. Defoliation for early pruning Bartlett: Pears defoliated without tree injury by application of caustic dust in tests on most efficient use as defoliant. Hilgardia 12(9):12-15. DOI:10.3733/ca.v012n09p12

Also in this issue:

Strawberry processing costs: Cost-reducing adjustments in processing methods, plant size, and hours of operation may yield substantial savings

Development of prune harvester: New pickup principle improves machine designed to harvest French prunes from ground after removal from tree by shaking

Sodium leaf scorch of apricot: Condition causing damage to orchards in Hemet area improved by heavy irrigation treatments with contour basin checks

Apricot irrigation studies: Consumptive use of water by trees and soil salinity control experiment conducted in western Stanislaus County orchards

Soil salinity hazard to seeds: Planting variation to minimize salinity to germinating seeds successful in field tests with alfalfa in Palo Verde Valley

Asparagus irrigation studies: Evidence indicates asparagus on sedimentary soil can utilize about 20″ of irrigation in addition to a normal 16″ rainfall

Nematodes and bacteria on rose: Root-lesion nematode and hairy-root bacterium on important rose crop in southern California controlled by treatments

Gibberellin on orange fruit: Content of ascorbic acid, hydrogen ion and juice increased while rind color, thickness and texture coarseness decreased

Rootstock effect on olive: Influence on tree growth is found to vary with the scion variety in tests conducted at Winters, Corning, and Lindsay

Breeding for resistance to onion downy mildew caused by Peronospora destructor

A genetic analysis of red seed-coat color in Phaseolus vulgaris

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