California Agriculture
California Agriculture
California Agriculture
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California Agriculture, Vol. 19, No.4

Elm Leaf Beetle
April 1965
Volume 19, Number 4

Research articles

Parasites for control of: Grape Leafhopper
by R. L. Doutt, J. Nakata
Full text HTML  | PDF  
Leafhopper Treatment Levels for: Thompson seedless grapes used for raisins or wine
by C. D. Lynn, F. L. Jensen, D. L. Flaherty
Full text HTML  | PDF  
Feeding studies on the grape leafhopper
by H. Kido, E. M. Stafford
| Full text HTML  | PDF  
Abstract Not Available – First paragraph follows: in areas where natural enemies of the grape leafhopper, Erythroneura elegantula Osb. are absent, or insufficient in numbers, chemical control may be necessary to prevent an increase in leafhoppers from causing serious economic damage. From an economic standpoint, determining the level of infestation allows not only prevention of serious damage to the vines, but also could save the cost of insecticide applications. This study of daily and seasonal periods when leafhopper damage occurred was conducted as a preliminary step in determining the economic level of leafhopper infestation.
Abstract Not Available – First paragraph follows: in areas where natural enemies of the grape leafhopper, Erythroneura elegantula Osb. are absent, or insufficient in numbers, chemical control may be necessary to prevent an increase in leafhoppers from causing serious economic damage. From an economic standpoint, determining the level of infestation allows not only prevention of serious damage to the vines, but also could save the cost of insecticide applications. This study of daily and seasonal periods when leafhopper damage occurred was conducted as a preliminary step in determining the economic level of leafhopper infestation.
Surveying: Leafhopper populations
by F. L. Jensen, E. M. Stafford, H. Kido, D. Flaherty
Full text HTML  | PDF  
A progress report of control methods for: Elm Leaf Beetle
by C. S. Koehler, P. Dean Smith, R. L. Campbell, C. S. Davis
Full text HTML  | PDF  
Insecticides: For control of grape leafhopper
by F. L. Jensen, C. D. Lynn, E. M. Stafford, H. Kido
Full text HTML  | PDF  
Handling: Sweet cherries for fresh shipment
by W. C. Micke, F. G. Mitchell, E. C. Maxie
Full text HTML  | PDF  
Tomato Planting Dates: For mechanical harvesting
by W. L. Sims
| Full text HTML  | PDF  
Abstract Not Available – First paragraph follows: recent studies with varieties of canning tomatoes for mechanical harvesting support tests and observations during the past four years emphasizing the effectiveness of date of planting. An orderly and continuous supply of fruit to the processor can be assured only through the use of properly spaced planting dates. During the 1965 season, more than 200 machines are expected to be used in harvesting a potential 20,000 acres-about 17 to 20% of California's average annual canning tomato production.
Abstract Not Available – First paragraph follows: recent studies with varieties of canning tomatoes for mechanical harvesting support tests and observations during the past four years emphasizing the effectiveness of date of planting. An orderly and continuous supply of fruit to the processor can be assured only through the use of properly spaced planting dates. During the 1965 season, more than 200 machines are expected to be used in harvesting a potential 20,000 acres-about 17 to 20% of California's average annual canning tomato production.
Temperature Effects: On vegetative growth and oil quality of FLAX
by D. M. Yermanos, J. R. Goodin
Full text HTML  | PDF  
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California Agriculture, Vol. 19, No.4

Elm Leaf Beetle
April 1965
Volume 19, Number 4

Research articles

Parasites for control of: Grape Leafhopper
by R. L. Doutt, J. Nakata
Full text HTML  | PDF  
Leafhopper Treatment Levels for: Thompson seedless grapes used for raisins or wine
by C. D. Lynn, F. L. Jensen, D. L. Flaherty
Full text HTML  | PDF  
Feeding studies on the grape leafhopper
by H. Kido, E. M. Stafford
| Full text HTML  | PDF  
Abstract Not Available – First paragraph follows: in areas where natural enemies of the grape leafhopper, Erythroneura elegantula Osb. are absent, or insufficient in numbers, chemical control may be necessary to prevent an increase in leafhoppers from causing serious economic damage. From an economic standpoint, determining the level of infestation allows not only prevention of serious damage to the vines, but also could save the cost of insecticide applications. This study of daily and seasonal periods when leafhopper damage occurred was conducted as a preliminary step in determining the economic level of leafhopper infestation.
Abstract Not Available – First paragraph follows: in areas where natural enemies of the grape leafhopper, Erythroneura elegantula Osb. are absent, or insufficient in numbers, chemical control may be necessary to prevent an increase in leafhoppers from causing serious economic damage. From an economic standpoint, determining the level of infestation allows not only prevention of serious damage to the vines, but also could save the cost of insecticide applications. This study of daily and seasonal periods when leafhopper damage occurred was conducted as a preliminary step in determining the economic level of leafhopper infestation.
Surveying: Leafhopper populations
by F. L. Jensen, E. M. Stafford, H. Kido, D. Flaherty
Full text HTML  | PDF  
A progress report of control methods for: Elm Leaf Beetle
by C. S. Koehler, P. Dean Smith, R. L. Campbell, C. S. Davis
Full text HTML  | PDF  
Insecticides: For control of grape leafhopper
by F. L. Jensen, C. D. Lynn, E. M. Stafford, H. Kido
Full text HTML  | PDF  
Handling: Sweet cherries for fresh shipment
by W. C. Micke, F. G. Mitchell, E. C. Maxie
Full text HTML  | PDF  
Tomato Planting Dates: For mechanical harvesting
by W. L. Sims
| Full text HTML  | PDF  
Abstract Not Available – First paragraph follows: recent studies with varieties of canning tomatoes for mechanical harvesting support tests and observations during the past four years emphasizing the effectiveness of date of planting. An orderly and continuous supply of fruit to the processor can be assured only through the use of properly spaced planting dates. During the 1965 season, more than 200 machines are expected to be used in harvesting a potential 20,000 acres-about 17 to 20% of California's average annual canning tomato production.
Abstract Not Available – First paragraph follows: recent studies with varieties of canning tomatoes for mechanical harvesting support tests and observations during the past four years emphasizing the effectiveness of date of planting. An orderly and continuous supply of fruit to the processor can be assured only through the use of properly spaced planting dates. During the 1965 season, more than 200 machines are expected to be used in harvesting a potential 20,000 acres-about 17 to 20% of California's average annual canning tomato production.
Temperature Effects: On vegetative growth and oil quality of FLAX
by D. M. Yermanos, J. R. Goodin
Full text HTML  | PDF  

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