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California Agriculture
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California Agriculture, Vol. 2, No.6

Potassium deficiency evident in orange leaves
June 1948
Volume 2, Number 6

Research articles

Effect of potash on oranges: Studies on deficiency and excess in relation to tree growth, composition and fruit quality
by H. D. Chapman, S. M. Brown, D. S. Rayner
| Full text HTML  | PDF  
Not available – first paragraph follows: To throw more light on the problem of potash fertilizer in. California citrus orchards, additional research was initiated a number of years ago.
Not available – first paragraph follows: To throw more light on the problem of potash fertilizer in. California citrus orchards, additional research was initiated a number of years ago.
Studies on dehydration of figs: Reduction in yeast count achieved is considered advantage for this type of drying
by E. M. Mrak
| Full text HTML  | PDF  
Not available – first paragraph follows: The studies covered by this report were conducted by C. N. Chari and C. P. Natarajan, graduate students in the Division of Food Technology, under the direction of Dr. E. M. Mrak. The study of Calimyrna figs harvested under commercial conditions was made with the cooperation of the California Fig Institute.
The studies covered by this report were conducted by C. N. Chari and C. P. Natarajan, graduate students in the Division of Food Technology, under the direction of Dr. E. M. Mrak. The study of Calimyrna figs harvested under commercial conditions was made with the cooperation of the California Fig Institute.
Low volume spraying: Of deciduous fruit trees successful with air carrier speed sprayers
by Arthur D. Borden
| Full text HTML  | PDF  
Not available – first paragraph follows: The speed sprayer introduced in California in 1944 proved that a large volume of air at a relatively low velocity is more efficient and economical than water as a means of applying liquid sprays of fungicides and insecticides.
Not available – first paragraph follows: The speed sprayer introduced in California in 1944 proved that a large volume of air at a relatively low velocity is more efficient and economical than water as a means of applying liquid sprays of fungicides and insecticides.
Irrigation practices: Efficiency of different systems determined by various factors
by C. N. Johnston
| Full text HTML  | PDF  
Not available – first paragraph follows: An efficient irrigation system depends upon adapting equipment and practices to the soil type and contour of the land being worked.
Not available – first paragraph follows: An efficient irrigation system depends upon adapting equipment and practices to the soil type and contour of the land being worked.
Avocado root rot: Two-phase series of experiments to determine control methods
by George A. Zentmyer, L. J. Klotz
| Full text HTML  | PDF  
Not available – first paragraph follows: Avocado root rot occurs primarily on soils that tend to stay wet for varying periods, and is a disease with which the soil-inhabiting cinnamon fungus—Phytophthora cinnamoni—is usually associated.
Not available – first paragraph follows: Avocado root rot occurs primarily on soils that tend to stay wet for varying periods, and is a disease with which the soil-inhabiting cinnamon fungus—Phytophthora cinnamoni—is usually associated.
Suggestions for vineyard fertiliization: Test plots recommended to determine most efficient fertilization proggram
by W. O. Williams
| Full text HTML  | PDF  
Not available – first paragraph follows: Vineyard yields were increased by 10% at a cost of about $15 per acre in experimental fertilizer plots in 11 California counties where an average crop increase ranged from 9.4% to 14%.
Not available – first paragraph follows: Vineyard yields were increased by 10% at a cost of about $15 per acre in experimental fertilizer plots in 11 California counties where an average crop increase ranged from 9.4% to 14%.
Black-end of pear: Problem is subject of extensive field and laboratory studies
by L. D. Davis
| Full text HTML  | PDF  
Not available – first paragraph follows: Intensive investigations have been conducted in the field and in the laboratory since about 1930 regarding black-end or hard-end condition of pears and the relation of the rootstock to the incidence of the disease.
Not available – first paragraph follows: Intensive investigations have been conducted in the field and in the laboratory since about 1930 regarding black-end or hard-end condition of pears and the relation of the rootstock to the incidence of the disease.
Two new table-wine grapes: Promising in combining high productivity and wine quality
by H. P. Olmo
| Full text HTML  | PDF  
Not available – first paragraph follows: The following extract is from Experiment Station Bulletin 704, Ruby Cabernet and Emerald Riesling listed on page 16. Cuttings of Ruby Cabernet and Emerald Riesling are not offered for sale or distribution by the University of California, but may be purchased from nurserymen. I f you want to know where they may be obtained, write to the Division of Viticulture, California Agricultural Experiment Station, Davis, California.
The following extract is from Experiment Station Bulletin 704, Ruby Cabernet and Emerald Riesling listed on page 16. Cuttings of Ruby Cabernet and Emerald Riesling are not offered for sale or distribution by the University of California, but may be purchased from nurserymen. I f you want to know where they may be obtained, write to the Division of Viticulture, California Agricultural Experiment Station, Davis, California.
Citrus red mite: New chemical gives promising results in control experiments
by L. R. Jeppson
| Full text HTML  | PDF  
Not available – first paragraph follows: Known by the code K-1875 the new chemical, bis (p-chlorophenoxy) methane, promises aid to the citrus grower in his fight to control the citrus red mite.
Not available – first paragraph follows: Known by the code K-1875 the new chemical, bis (p-chlorophenoxy) methane, promises aid to the citrus grower in his fight to control the citrus red mite.
PE in poultry: Variety of factors found to affect control of avian pneumoencephalitis
by J. R. Beach
| Full text HTML  | PDF  
Not available – first paragraph follows: The virus of PE—avian pneumoencephalitis, pneumo or Newcastle disease—recently was isolated from the air of a poultry house containing an infected flock.
Not available – first paragraph follows: The virus of PE—avian pneumoencephalitis, pneumo or Newcastle disease—recently was isolated from the air of a poultry house containing an infected flock.
Sweet root orange trees: Symptomless hosts of the quick decline virus
by H. S. Fawcett, J. M. Wallace
| Full text HTML  | PDF  
Not available – first paragraph follows: Infected sweet root orange trees can serve as carriers of the virus of quick decline even though they remain symptomless.
Not available – first paragraph follows: Infected sweet root orange trees can serve as carriers of the virus of quick decline even though they remain symptomless.

General Information

California Clingstone peaches: Economic status, 1948
by Sidney Hoos, H. Fisk Phelps
Full text HTML  | PDF  
New publications
by Editors
Full text HTML  | PDF  
Webmaster Email: wsuckow@ucanr.edu

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California Agriculture, Vol. 2, No.6

Potassium deficiency evident in orange leaves
June 1948
Volume 2, Number 6

Research articles

Effect of potash on oranges: Studies on deficiency and excess in relation to tree growth, composition and fruit quality
by H. D. Chapman, S. M. Brown, D. S. Rayner
| Full text HTML  | PDF  
Not available – first paragraph follows: To throw more light on the problem of potash fertilizer in. California citrus orchards, additional research was initiated a number of years ago.
Not available – first paragraph follows: To throw more light on the problem of potash fertilizer in. California citrus orchards, additional research was initiated a number of years ago.
Studies on dehydration of figs: Reduction in yeast count achieved is considered advantage for this type of drying
by E. M. Mrak
| Full text HTML  | PDF  
Not available – first paragraph follows: The studies covered by this report were conducted by C. N. Chari and C. P. Natarajan, graduate students in the Division of Food Technology, under the direction of Dr. E. M. Mrak. The study of Calimyrna figs harvested under commercial conditions was made with the cooperation of the California Fig Institute.
The studies covered by this report were conducted by C. N. Chari and C. P. Natarajan, graduate students in the Division of Food Technology, under the direction of Dr. E. M. Mrak. The study of Calimyrna figs harvested under commercial conditions was made with the cooperation of the California Fig Institute.
Low volume spraying: Of deciduous fruit trees successful with air carrier speed sprayers
by Arthur D. Borden
| Full text HTML  | PDF  
Not available – first paragraph follows: The speed sprayer introduced in California in 1944 proved that a large volume of air at a relatively low velocity is more efficient and economical than water as a means of applying liquid sprays of fungicides and insecticides.
Not available – first paragraph follows: The speed sprayer introduced in California in 1944 proved that a large volume of air at a relatively low velocity is more efficient and economical than water as a means of applying liquid sprays of fungicides and insecticides.
Irrigation practices: Efficiency of different systems determined by various factors
by C. N. Johnston
| Full text HTML  | PDF  
Not available – first paragraph follows: An efficient irrigation system depends upon adapting equipment and practices to the soil type and contour of the land being worked.
Not available – first paragraph follows: An efficient irrigation system depends upon adapting equipment and practices to the soil type and contour of the land being worked.
Avocado root rot: Two-phase series of experiments to determine control methods
by George A. Zentmyer, L. J. Klotz
| Full text HTML  | PDF  
Not available – first paragraph follows: Avocado root rot occurs primarily on soils that tend to stay wet for varying periods, and is a disease with which the soil-inhabiting cinnamon fungus—Phytophthora cinnamoni—is usually associated.
Not available – first paragraph follows: Avocado root rot occurs primarily on soils that tend to stay wet for varying periods, and is a disease with which the soil-inhabiting cinnamon fungus—Phytophthora cinnamoni—is usually associated.
Suggestions for vineyard fertiliization: Test plots recommended to determine most efficient fertilization proggram
by W. O. Williams
| Full text HTML  | PDF  
Not available – first paragraph follows: Vineyard yields were increased by 10% at a cost of about $15 per acre in experimental fertilizer plots in 11 California counties where an average crop increase ranged from 9.4% to 14%.
Not available – first paragraph follows: Vineyard yields were increased by 10% at a cost of about $15 per acre in experimental fertilizer plots in 11 California counties where an average crop increase ranged from 9.4% to 14%.
Black-end of pear: Problem is subject of extensive field and laboratory studies
by L. D. Davis
| Full text HTML  | PDF  
Not available – first paragraph follows: Intensive investigations have been conducted in the field and in the laboratory since about 1930 regarding black-end or hard-end condition of pears and the relation of the rootstock to the incidence of the disease.
Not available – first paragraph follows: Intensive investigations have been conducted in the field and in the laboratory since about 1930 regarding black-end or hard-end condition of pears and the relation of the rootstock to the incidence of the disease.
Two new table-wine grapes: Promising in combining high productivity and wine quality
by H. P. Olmo
| Full text HTML  | PDF  
Not available – first paragraph follows: The following extract is from Experiment Station Bulletin 704, Ruby Cabernet and Emerald Riesling listed on page 16. Cuttings of Ruby Cabernet and Emerald Riesling are not offered for sale or distribution by the University of California, but may be purchased from nurserymen. I f you want to know where they may be obtained, write to the Division of Viticulture, California Agricultural Experiment Station, Davis, California.
The following extract is from Experiment Station Bulletin 704, Ruby Cabernet and Emerald Riesling listed on page 16. Cuttings of Ruby Cabernet and Emerald Riesling are not offered for sale or distribution by the University of California, but may be purchased from nurserymen. I f you want to know where they may be obtained, write to the Division of Viticulture, California Agricultural Experiment Station, Davis, California.
Citrus red mite: New chemical gives promising results in control experiments
by L. R. Jeppson
| Full text HTML  | PDF  
Not available – first paragraph follows: Known by the code K-1875 the new chemical, bis (p-chlorophenoxy) methane, promises aid to the citrus grower in his fight to control the citrus red mite.
Not available – first paragraph follows: Known by the code K-1875 the new chemical, bis (p-chlorophenoxy) methane, promises aid to the citrus grower in his fight to control the citrus red mite.
PE in poultry: Variety of factors found to affect control of avian pneumoencephalitis
by J. R. Beach
| Full text HTML  | PDF  
Not available – first paragraph follows: The virus of PE—avian pneumoencephalitis, pneumo or Newcastle disease—recently was isolated from the air of a poultry house containing an infected flock.
Not available – first paragraph follows: The virus of PE—avian pneumoencephalitis, pneumo or Newcastle disease—recently was isolated from the air of a poultry house containing an infected flock.
Sweet root orange trees: Symptomless hosts of the quick decline virus
by H. S. Fawcett, J. M. Wallace
| Full text HTML  | PDF  
Not available – first paragraph follows: Infected sweet root orange trees can serve as carriers of the virus of quick decline even though they remain symptomless.
Not available – first paragraph follows: Infected sweet root orange trees can serve as carriers of the virus of quick decline even though they remain symptomless.

General Information

California Clingstone peaches: Economic status, 1948
by Sidney Hoos, H. Fisk Phelps
Full text HTML  | PDF  
New publications
by Editors
Full text HTML  | PDF  

University of California, 1301 S. 46th St., Bldg. 478 Richmond, CA
Email: calag@ucanr.edu | Phone: (510) 665-2163 | Fax: (510) 665-3427
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