California Agriculture
California Agriculture
California Agriculture
University of California
California Agriculture

Archive

June 1979
Volume 33, Number 6

Peer-reviewed research and review articles

Adult EFNEP: The first 10 years
by Gaylord P. Whitlock, Mary B. Hall
| Full text HTML  | PDF  
Records document that in the past decade the diets of more than 100,000 low-income homemakers and their families in California have been measurably improved as a result of the Expanded Food and Nutrition Education Program (EFNEP). Furthermore, improvement in eating patterns is occurring more rapidly, thanks to the program's efficiency.
What the homemaker eats is a reflection of what her family eats.
Status of puncturevine weevils and their host plant in California
by Donald M. Maddox, Lloyd A. Andres
| Full text HTML  | PDF  
The introduction of a seed weevil and a stem-boring weevil has had mixed results in the reduction of puncturevine, a spiny-burred weed that can injure grazing animals ingesting them, and can downgrade the value of land, alfalfa hay crops, and wool. The weevils were imported from Italy in 1961.
Thanks to imported biological controls, 32 counties report a decline in puncturevine.
Electrophoresis and electrofocusing identify wheat varieties
by Calvin O. Qualset, Colin W. Wrigley
| Full text HTML  | PDF  
Electrophoresis of grain proteins reliably identifies wheat varieties; electrofocus- ing provides additional information about protein composition. The speed of these methods promises to be valuable on many grounds: in international trade, in forensic and legal applications, and in regulating breeders' rights.
Many wheat-producing countries are turning to electrophoresis for speedy variety identifications.
Soaps for home landscape insect control
by Wayne S. Moore, Joseph C. Profita, Carlton S. Koehler
| Full text HTML  | PDF  
Soap detergent sprays can control certain insects on ornamental plants. They have limited residual action and may damage some plants.
Combination versus single fungicides for control of Septoria leafspot in celery
by Albert O. Paulus, Jerry Nelson, Harry Otto
| Full text HTML  | PDF  
Fungicidal treatments proved far more effective than no treatment in controlling Septoria apiicola, the fungus that afflicts California's celery during the rainy season.
With development of celery's tolerance to benomyl fungicide, new controls are being tested. Here are results.
Pressure-injecting chemicals into trees
by Wilbur O. Reil
| Full text HTML  | PDF  
Experiences in the past five years with injecting pesticides or nutrients into trees are summarized here.
Reaction of cauliflower cultivars to downy mildew in Imperial Valley
by Demetrios G. Kontaxis, Keith S. Mayberry, Vincent E. Rubatzky
| Full text HTML  | PDF  
Recent tests indicate that some cauliflower cultivars appear to be resistant to a downy mildew infection that has turned up unexpectedly in the Impérial Valley.

Editorial, News, Letters and Science Briefs

Expectations of integrated pest management
by J. B. Kendrick
Full text HTML  | PDF  
Research briefs
by Editors
Full text HTML  | PDF  
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June 1979
Volume 33, Number 6

Peer-reviewed research and review articles

Adult EFNEP: The first 10 years
by Gaylord P. Whitlock, Mary B. Hall
| Full text HTML  | PDF  
Records document that in the past decade the diets of more than 100,000 low-income homemakers and their families in California have been measurably improved as a result of the Expanded Food and Nutrition Education Program (EFNEP). Furthermore, improvement in eating patterns is occurring more rapidly, thanks to the program's efficiency.
What the homemaker eats is a reflection of what her family eats.
Status of puncturevine weevils and their host plant in California
by Donald M. Maddox, Lloyd A. Andres
| Full text HTML  | PDF  
The introduction of a seed weevil and a stem-boring weevil has had mixed results in the reduction of puncturevine, a spiny-burred weed that can injure grazing animals ingesting them, and can downgrade the value of land, alfalfa hay crops, and wool. The weevils were imported from Italy in 1961.
Thanks to imported biological controls, 32 counties report a decline in puncturevine.
Electrophoresis and electrofocusing identify wheat varieties
by Calvin O. Qualset, Colin W. Wrigley
| Full text HTML  | PDF  
Electrophoresis of grain proteins reliably identifies wheat varieties; electrofocus- ing provides additional information about protein composition. The speed of these methods promises to be valuable on many grounds: in international trade, in forensic and legal applications, and in regulating breeders' rights.
Many wheat-producing countries are turning to electrophoresis for speedy variety identifications.
Soaps for home landscape insect control
by Wayne S. Moore, Joseph C. Profita, Carlton S. Koehler
| Full text HTML  | PDF  
Soap detergent sprays can control certain insects on ornamental plants. They have limited residual action and may damage some plants.
Combination versus single fungicides for control of Septoria leafspot in celery
by Albert O. Paulus, Jerry Nelson, Harry Otto
| Full text HTML  | PDF  
Fungicidal treatments proved far more effective than no treatment in controlling Septoria apiicola, the fungus that afflicts California's celery during the rainy season.
With development of celery's tolerance to benomyl fungicide, new controls are being tested. Here are results.
Pressure-injecting chemicals into trees
by Wilbur O. Reil
| Full text HTML  | PDF  
Experiences in the past five years with injecting pesticides or nutrients into trees are summarized here.
Reaction of cauliflower cultivars to downy mildew in Imperial Valley
by Demetrios G. Kontaxis, Keith S. Mayberry, Vincent E. Rubatzky
| Full text HTML  | PDF  
Recent tests indicate that some cauliflower cultivars appear to be resistant to a downy mildew infection that has turned up unexpectedly in the Impérial Valley.

Editorial, News, Letters and Science Briefs

Expectations of integrated pest management
by J. B. Kendrick
Full text HTML  | PDF  
Research briefs
by Editors
Full text HTML  | PDF  

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