New carnation pests: Bud mite and leaf miner found in California may cause serious problems

Pritchard, A

New carnation pests: Bud mite and leaf miner found in California may cause serious problems

Author

A. Earl Pritchard

Author Affiliations

A. Earl Pritchard is Associate Professor of Entomology, University of California, Berkeley.

Publication Information

Hilgardia 11(3):5-5. DOI:10.3733/ca.v011n03p5. March 1957.

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Abstract

Carnation growers in California—constantly combating spider mites, thrips and aphids, and occasional infestations of carnation bud moth or mealy-bugs—have two new pests to fight.

Also in this issue:

Use of marketing contracts: Farmer cooperatives in California usually require contracts with members to effectively integrate marketing operations

Serpentine leaf miner damage: Spinach losses in 1956 recall cyclic attacks by pests and need of both insecticides and natural enemies for control

New materials for codling moth: New compounds evaluated for control of codling moth should resistance to DDT be developed by the pest in California

Soft scales on walnut in 1956: Increase in soft scale populations on walnuts in northern California effected by several factors in complex problem

Smog reduces seedling growth: Zutano avocado seedling growth affected by synthetic smog of ozone and hexene vapor in fumigation chamber experiment

Tree nutrient sprays: Results of foliar sprays to supplement deficiencies affected by fruit variety

Soil profiles identify series: Basic soil surveys establish classifying characteristics and indicate selection of most efficient agricultural use

Soil sterilized by irradiation: Sterilization of soil by exposure to an electron beam offers new tool for research on chemistry and microbiology of soil

New Satsuma mandarin strains: Fruit of nucellar lines of mandarin-orange color earlier and have higher per cent of soluble solids than the parent line

The biology of the garden centipede, Scutigerella immaculata