California Agriculture
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California Agriculture, Vol. 3, No.4

Science of genetics in wheat improvement
April 1949
Volume 3, Number 4

Research articles

Cereals: Transfer of genes in the development of disease resistant wheat, oats and barley
by Fred N. Briggs
| Full text HTML  | PDF  
Not available – first paragraph follows: This is the first article in a series of brief progress reports on the application of the science of genetics to commercial agriculture.
This is the first article in a series of brief progress reports on the application of the science of genetics to commercial agriculture.
Olive girdling investigations: Seek to determine the best time and method for obtaining optimum fruit set
by H. T. Hartmann
| Full text HTML  | PDF  
Not available – first paragraph follows: One of the principal problems confronting California olive growers in certain years is the lack of sufficient set of fruit to assure a profitable yield at harvest time.
Not available – first paragraph follows: One of the principal problems confronting California olive growers in certain years is the lack of sufficient set of fruit to assure a profitable yield at harvest time.
Citrus tree freeze damage: Possible effect of the January 1949 cold spell on the 1950 crop and recommended treatment of injured trees
by J. C. Johnston
| Full text HTML  | PDF  
Not available – first paragraph follows: Damage to citrus trees by the January freeze now appears to be slight—when the State is considered as a whole.
Not available – first paragraph follows: Damage to citrus trees by the January freeze now appears to be slight—when the State is considered as a whole.
Walnut aphid control: Studies in northern California of effectiveness of addition of aphicide to codling moth spray
by W. W. Middlekauff, A. E. Michelbacher, Edward Wegenek
| Full text HTML  | PDF  
Not available – first paragraph follows: Investigations on the control of the walnut aphid in northern California were expanded in 1948.
Not available – first paragraph follows: Investigations on the control of the walnut aphid in northern California were expanded in 1948.
Dried prunes: Effect of harvesting time on the yield and quality under study
by J. H. Kilbuck, H. J. Phaff, E. M. Mrak
| Full text HTML  | PDF  
Not available – first paragraph follows: Yield and quality of prunes will vary with the harvesting date according to results obtained from studies made during the 1947 and 1948 seasons in the Sacramento Valley.
Not available – first paragraph follows: Yield and quality of prunes will vary with the harvesting date according to results obtained from studies made during the 1947 and 1948 seasons in the Sacramento Valley.
New blackberry: Boysen variety, shiny type, has flavor resembling a high quality wild berry
by Richard E. Baker
| Full text HTML  | PDF  
Not available – first paragraph follows: Studies by the Division of Pomology at Davis, to determine the value of blackberry varieties for commercial planting— their promise as parental material in a breeding program—includes the new shiny type of the Boysen variety here described for the first time.
Not available – first paragraph follows: Studies by the Division of Pomology at Davis, to determine the value of blackberry varieties for commercial planting— their promise as parental material in a breeding program—includes the new shiny type of the Boysen variety here described for the first time.
Farm records and accounts: Adequate financial records are essential to good management and successful farming
by Arthur Shultis
| Full text HTML  | PDF  
Not available – first paragraph follows: The 60 to 100 hours a year spent by the average farmer in keeping financial records is apt to be the most profitable time he spends.
Not available – first paragraph follows: The 60 to 100 hours a year spent by the average farmer in keeping financial records is apt to be the most profitable time he spends.
Ornamental plants: New mite control chemical promising but more tests required
by A. Earl Pritchard, Robert E. Beer
| Full text HTML  | PDF  
Not available – first paragraph follows: The use of DMC— di-(p-chlorophenyl) methyl carbinol—cannot be recommended, particularly with regard to control of the cyclamen mite, until further experience is gained concerning its effectiveness and the tolerance of plants.
Not available – first paragraph follows: The use of DMC— di-(p-chlorophenyl) methyl carbinol—cannot be recommended, particularly with regard to control of the cyclamen mite, until further experience is gained concerning its effectiveness and the tolerance of plants.
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California Agriculture, Vol. 3, No.4

Science of genetics in wheat improvement
April 1949
Volume 3, Number 4

Research articles

Cereals: Transfer of genes in the development of disease resistant wheat, oats and barley
by Fred N. Briggs
| Full text HTML  | PDF  
Not available – first paragraph follows: This is the first article in a series of brief progress reports on the application of the science of genetics to commercial agriculture.
This is the first article in a series of brief progress reports on the application of the science of genetics to commercial agriculture.
Olive girdling investigations: Seek to determine the best time and method for obtaining optimum fruit set
by H. T. Hartmann
| Full text HTML  | PDF  
Not available – first paragraph follows: One of the principal problems confronting California olive growers in certain years is the lack of sufficient set of fruit to assure a profitable yield at harvest time.
Not available – first paragraph follows: One of the principal problems confronting California olive growers in certain years is the lack of sufficient set of fruit to assure a profitable yield at harvest time.
Citrus tree freeze damage: Possible effect of the January 1949 cold spell on the 1950 crop and recommended treatment of injured trees
by J. C. Johnston
| Full text HTML  | PDF  
Not available – first paragraph follows: Damage to citrus trees by the January freeze now appears to be slight—when the State is considered as a whole.
Not available – first paragraph follows: Damage to citrus trees by the January freeze now appears to be slight—when the State is considered as a whole.
Walnut aphid control: Studies in northern California of effectiveness of addition of aphicide to codling moth spray
by W. W. Middlekauff, A. E. Michelbacher, Edward Wegenek
| Full text HTML  | PDF  
Not available – first paragraph follows: Investigations on the control of the walnut aphid in northern California were expanded in 1948.
Not available – first paragraph follows: Investigations on the control of the walnut aphid in northern California were expanded in 1948.
Dried prunes: Effect of harvesting time on the yield and quality under study
by J. H. Kilbuck, H. J. Phaff, E. M. Mrak
| Full text HTML  | PDF  
Not available – first paragraph follows: Yield and quality of prunes will vary with the harvesting date according to results obtained from studies made during the 1947 and 1948 seasons in the Sacramento Valley.
Not available – first paragraph follows: Yield and quality of prunes will vary with the harvesting date according to results obtained from studies made during the 1947 and 1948 seasons in the Sacramento Valley.
New blackberry: Boysen variety, shiny type, has flavor resembling a high quality wild berry
by Richard E. Baker
| Full text HTML  | PDF  
Not available – first paragraph follows: Studies by the Division of Pomology at Davis, to determine the value of blackberry varieties for commercial planting— their promise as parental material in a breeding program—includes the new shiny type of the Boysen variety here described for the first time.
Not available – first paragraph follows: Studies by the Division of Pomology at Davis, to determine the value of blackberry varieties for commercial planting— their promise as parental material in a breeding program—includes the new shiny type of the Boysen variety here described for the first time.
Farm records and accounts: Adequate financial records are essential to good management and successful farming
by Arthur Shultis
| Full text HTML  | PDF  
Not available – first paragraph follows: The 60 to 100 hours a year spent by the average farmer in keeping financial records is apt to be the most profitable time he spends.
Not available – first paragraph follows: The 60 to 100 hours a year spent by the average farmer in keeping financial records is apt to be the most profitable time he spends.
Ornamental plants: New mite control chemical promising but more tests required
by A. Earl Pritchard, Robert E. Beer
| Full text HTML  | PDF  
Not available – first paragraph follows: The use of DMC— di-(p-chlorophenyl) methyl carbinol—cannot be recommended, particularly with regard to control of the cyclamen mite, until further experience is gained concerning its effectiveness and the tolerance of plants.
Not available – first paragraph follows: The use of DMC— di-(p-chlorophenyl) methyl carbinol—cannot be recommended, particularly with regard to control of the cyclamen mite, until further experience is gained concerning its effectiveness and the tolerance of plants.

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