Calag Archive

Fuel alcohol from Jerusalem artichoke

by Roy M. Sachs, Clifford B. Low, Amit Vasavada, Michael J. Sully, Lynn A. Williams, George C. Ziobro

Abstract

Tubers of this fast-growing plant could yield 25 to 30 gallons of alcohol per ton of fresh weight.

Problems with chemical control of pear psylla

by Helmut Riedl, Peter H. Westigard, Richard S. Bethell, James E. DeTar

Abstract

The relatively new pyrethroid insecticides are effective against pear psylla, but intensive use can hasten resistance development.

Ethephon is of doubtful value on Thompson Seedless table grapes

by Harry L. Andris, Frederik L. Jensen, Robert H. Beede

Abstract

An adverse color change outweighed the reduction in total acidity.

Bacterial blight on Persian walnuts

by Edward N. Mulrean, Milton N. Schroth

Abstract

Researchers have shown that the walnut blight bacterium survives the winter in buds and catkins, complicating control strategies.

Wheat response to drought

by Robert E. Sojka, Lewis H. Stolzy

Abstract

Measurement of drought sensitivity helps evaluate wheat cultivars for bad as well as good conditions.

Women in the agricultural labor market

by Juanita B. Wood, David H. Dupre, Orville E. Thompson

Abstract

A survey of graduates of agricultural colleges indicates women have not yet broken the job barriers in agriculture.

Monitoring peach twig borer in almonds with sex pheromone traps

by Wilbur O. Reil, Toynette W. Johnson, Joseph C. Profita, Clarence S. Davis, Lonnie C. Hendricks, Donald Rough

Abstract

A total first-flight trap catch of 155 moths is suggested as the economic threshold of nut damage at harvest.

New monitoring methods for the walnut husk fly

by Helmut Riedl, Robert G. Hislop, William W. Barnett, William W. Coates, Larry B. Fitch, Johannes L. Joos, William H. Olson, Joseph C. Profita, Wallace R. Schreader

Abstract

Yellow rectangle baited with ammonium carbonate was more attractive to husk flies than Pherocon AM trap (center) or green sphere.

Control of the walnut husk fly with pyrethroids and bait

by Robert G. Hislop, Helmut Riedl, Johannes L. Joos

Abstract

Bait spray applied to part of the tree canopy attracted husk flies and provided control for the entire tree.

Fertilizing summer-planted strawberries in California's Central Coast

by Norman C. Welch, James Quick

Abstract

Nitrogen applied in slow-release form increased yields of summer- planted Tioga and Aiko strawberries in two years of production

Leafminer species causes California mum growers new problems

by Michael P. Parrella, William W. Allen, Pat Morishita

Abstract

Relatively new to California, Liriomyza trifolii has seriously damaged commercial mum crops. It seems resistant to most pesticides.

could become a problem on celery

by John T. Trumble

Abstract

A Ieafminer new to California celery could cause serious damage if populations were to build up as they did in 1980.

Fuel alcohol from Jerusalem artichoke

by Roy M. Sachs, Clifford B. Low, Amit Vasavada, Michael J. Sully, Lynn A. Williams, George C. Ziobro

Abstract

Tubers of this fast-growing plant could yield 25 to 30 gallons of alcohol per ton of fresh weight.

Problems with chemical control of pear psylla

by Helmut Riedl, Peter H. Westigard, Richard S. Bethell, James E. DeTar

Abstract

The relatively new pyrethroid insecticides are effective against pear psylla, but intensive use can hasten resistance development.

Ethephon is of doubtful value on Thompson Seedless table grapes

by Harry L. Andris, Frederik L. Jensen, Robert H. Beede

Abstract

An adverse color change outweighed the reduction in total acidity.

Bacterial blight on Persian walnuts

by Edward N. Mulrean, Milton N. Schroth

Abstract

Researchers have shown that the walnut blight bacterium survives the winter in buds and catkins, complicating control strategies.

Wheat response to drought

by Robert E. Sojka, Lewis H. Stolzy

Abstract

Measurement of drought sensitivity helps evaluate wheat cultivars for bad as well as good conditions.

Women in the agricultural labor market

by Juanita B. Wood, David H. Dupre, Orville E. Thompson

Abstract

A survey of graduates of agricultural colleges indicates women have not yet broken the job barriers in agriculture.

Monitoring peach twig borer in almonds with sex pheromone traps

by Wilbur O. Reil, Toynette W. Johnson, Joseph C. Profita, Clarence S. Davis, Lonnie C. Hendricks, Donald Rough

Abstract

A total first-flight trap catch of 155 moths is suggested as the economic threshold of nut damage at harvest.

New monitoring methods for the walnut husk fly

by Helmut Riedl, Robert G. Hislop, William W. Barnett, William W. Coates, Larry B. Fitch, Johannes L. Joos, William H. Olson, Joseph C. Profita, Wallace R. Schreader

Abstract

Yellow rectangle baited with ammonium carbonate was more attractive to husk flies than Pherocon AM trap (center) or green sphere.

Control of the walnut husk fly with pyrethroids and bait

by Robert G. Hislop, Helmut Riedl, Johannes L. Joos

Abstract

Bait spray applied to part of the tree canopy attracted husk flies and provided control for the entire tree.

Fertilizing summer-planted strawberries in California's Central Coast

by Norman C. Welch, James Quick

Abstract

Nitrogen applied in slow-release form increased yields of summer- planted Tioga and Aiko strawberries in two years of production

Leafminer species causes California mum growers new problems

by Michael P. Parrella, William W. Allen, Pat Morishita

Abstract

Relatively new to California, Liriomyza trifolii has seriously damaged commercial mum crops. It seems resistant to most pesticides.

could become a problem on celery

by John T. Trumble

Abstract

A Ieafminer new to California celery could cause serious damage if populations were to build up as they did in 1980.

Calag Archive

Calag Archive

Peer-reviewed research and review articles

News and opinion

Peer-reviewed research and review articles

News and opinion