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California Agriculture, Vol. 13, No.2

Correction of localized rice failures
February 1959
Volume 13, Number 2

Research articles

Sorptive dusts on cockroaches: Easily applied compounds harmless to animals and humans effectively control cockroaches and other household pests
by I. Barry Tarshis
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Of 78 compounds screened in laboratory investigation to determine the effectiveness of sorptive dusts for killing and controlling cockroches, two compounds, a silica aerogel designated as SG 67–Dri-Die 67–and a silica gel called SG 77 were outstandingly effective.
Abstract Not Available – First paragraph follows: Of 78 compounds screened in laboratory investigation to determine the effectiveness of sorptive dusts for killing and controlling cockroches, two compounds, a silica aerogel designated as SG 67–Dri-Die 67–and a silica gel called SG 77 were outstandingly effective.
Iron deficiency of rice: Crop failures in localized areas within productive fields corrected in tests conducted in Glenn and Colusa counties
by Karl Ingebretsen, W. E. Martin, James Vlamis, Roy Jeter
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Experimental applications of ferric sulfate to nonsaline alkali spots in rice fields have greatly increased yields.
Abstract Not Available – First paragraph follows: Experimental applications of ferric sulfate to nonsaline alkali spots in rice fields have greatly increased yields.
Manganese in brussels sprouts: Lime applied to acid soil corrected incidence of manganese toxicity of Brussels sprouts in field tests near Pescadero
by John C. Lingle, R. H. Sciaroni
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Stunted and yellowed Brussels sprouts were observed in many fields in San Mateo County in 1957. The affected plants grew very slowly after transplanting and interveinal yellowing or chlorosis developed shortly. As the plants developed, the older leaves cupped upward and developed small, necrotic spots near the margins. The plants seemed more severely affected while they were young, but tended to outgrow the trouble after a few months. The yields were drastically reduced and maturity was delayed.
Abstract Not Available – First paragraph follows: Stunted and yellowed Brussels sprouts were observed in many fields in San Mateo County in 1957. The affected plants grew very slowly after transplanting and interveinal yellowing or chlorosis developed shortly. As the plants developed, the older leaves cupped upward and developed small, necrotic spots near the margins. The plants seemed more severely affected while they were young, but tended to outgrow the trouble after a few months. The yields were drastically reduced and maturity was delayed.
Micronutrient concentrations: Effects of soil applications of phosphate, potash, dolomite on micronutrient concentrations in Valencia orange leaves
by C. K. Labanauskas, T. W. Embleton, W. W. Jones, M. J. Garber
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: That the micronutrient nutrition of citrus trees may be changed by continued heavy applications of commercial fertilizers has been indicated by several reports. However, there is very little available experimental evidence from field studies on the influence of soil applications of phosphate, potash, and dolomite fertilizers on the micronutrient concentration in Valencia orange leaves.
Abstract Not Available – First paragraph follows: That the micronutrient nutrition of citrus trees may be changed by continued heavy applications of commercial fertilizers has been indicated by several reports. However, there is very little available experimental evidence from field studies on the influence of soil applications of phosphate, potash, and dolomite fertilizers on the micronutrient concentration in Valencia orange leaves.
Studies on strawberry quality: High temperatures that may occur in harvesting and handling of strawberries influence the rate of fruit deterioration
by E. C. Maxie, F. Gordon Mitchell, Arthur Greathead
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: The following article is the second of two reports on Quality Studies with Strawberries. The first report appeared in the January issue.
The following article is the second of two reports on Quality Studies with Strawberries. The first report appeared in the January issue.
Root regeneration by seedlings: Ability of ponderosa pine seedling to regenerate root system rapidly after transplanting is important factor in survival
by Edward C. Stone, Gilbert H. Schubert
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Erratic results obtained in organized ponderosa pine planting programs– some successful, more not successful– emphasized the need for reliable planting systems applicable to California conditions.
Abstract Not Available – First paragraph follows: Erratic results obtained in organized ponderosa pine planting programs– some successful, more not successful– emphasized the need for reliable planting systems applicable to California conditions.
Mealybug on apricot: Old pest of grapes and pears is causing new control problem for apricot growers
by Harold F. Madsen, Lester B. McNelly
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Damage to apricots by mealybugs is a relatively new problem as it was not reported prior to 1956. The species involved has been identified as the grape mealybug–Pseudococcus maritimus (Ehr.) –a common pest of grapes and pears.
Abstract Not Available – First paragraph follows: Damage to apricots by mealybugs is a relatively new problem as it was not reported prior to 1956. The species involved has been identified as the grape mealybug–Pseudococcus maritimus (Ehr.) –a common pest of grapes and pears.
Weed control in shasta daisy: Costly hand weeding of commercial flower crop reduced in successful field tests with neburon in Santa Barbara County
by Jack L. Bivins, William A. Harvey
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: One of the more promising of the newer herbicides for weed control in commercial flower crops is neburon– l-n-butyl-3 (3.4-dichlorophenyl)-1-methylurea–a chemical low in water solubility and toxicity to man or animals.
Abstract Not Available – First paragraph follows: One of the more promising of the newer herbicides for weed control in commercial flower crops is neburon– l-n-butyl-3 (3.4-dichlorophenyl)-1-methylurea–a chemical low in water solubility and toxicity to man or animals.
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California Agriculture, Vol. 13, No.2

Correction of localized rice failures
February 1959
Volume 13, Number 2

Research articles

Sorptive dusts on cockroaches: Easily applied compounds harmless to animals and humans effectively control cockroaches and other household pests
by I. Barry Tarshis
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Of 78 compounds screened in laboratory investigation to determine the effectiveness of sorptive dusts for killing and controlling cockroches, two compounds, a silica aerogel designated as SG 67–Dri-Die 67–and a silica gel called SG 77 were outstandingly effective.
Abstract Not Available – First paragraph follows: Of 78 compounds screened in laboratory investigation to determine the effectiveness of sorptive dusts for killing and controlling cockroches, two compounds, a silica aerogel designated as SG 67–Dri-Die 67–and a silica gel called SG 77 were outstandingly effective.
Iron deficiency of rice: Crop failures in localized areas within productive fields corrected in tests conducted in Glenn and Colusa counties
by Karl Ingebretsen, W. E. Martin, James Vlamis, Roy Jeter
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Experimental applications of ferric sulfate to nonsaline alkali spots in rice fields have greatly increased yields.
Abstract Not Available – First paragraph follows: Experimental applications of ferric sulfate to nonsaline alkali spots in rice fields have greatly increased yields.
Manganese in brussels sprouts: Lime applied to acid soil corrected incidence of manganese toxicity of Brussels sprouts in field tests near Pescadero
by John C. Lingle, R. H. Sciaroni
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Stunted and yellowed Brussels sprouts were observed in many fields in San Mateo County in 1957. The affected plants grew very slowly after transplanting and interveinal yellowing or chlorosis developed shortly. As the plants developed, the older leaves cupped upward and developed small, necrotic spots near the margins. The plants seemed more severely affected while they were young, but tended to outgrow the trouble after a few months. The yields were drastically reduced and maturity was delayed.
Abstract Not Available – First paragraph follows: Stunted and yellowed Brussels sprouts were observed in many fields in San Mateo County in 1957. The affected plants grew very slowly after transplanting and interveinal yellowing or chlorosis developed shortly. As the plants developed, the older leaves cupped upward and developed small, necrotic spots near the margins. The plants seemed more severely affected while they were young, but tended to outgrow the trouble after a few months. The yields were drastically reduced and maturity was delayed.
Micronutrient concentrations: Effects of soil applications of phosphate, potash, dolomite on micronutrient concentrations in Valencia orange leaves
by C. K. Labanauskas, T. W. Embleton, W. W. Jones, M. J. Garber
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: That the micronutrient nutrition of citrus trees may be changed by continued heavy applications of commercial fertilizers has been indicated by several reports. However, there is very little available experimental evidence from field studies on the influence of soil applications of phosphate, potash, and dolomite fertilizers on the micronutrient concentration in Valencia orange leaves.
Abstract Not Available – First paragraph follows: That the micronutrient nutrition of citrus trees may be changed by continued heavy applications of commercial fertilizers has been indicated by several reports. However, there is very little available experimental evidence from field studies on the influence of soil applications of phosphate, potash, and dolomite fertilizers on the micronutrient concentration in Valencia orange leaves.
Studies on strawberry quality: High temperatures that may occur in harvesting and handling of strawberries influence the rate of fruit deterioration
by E. C. Maxie, F. Gordon Mitchell, Arthur Greathead
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: The following article is the second of two reports on Quality Studies with Strawberries. The first report appeared in the January issue.
The following article is the second of two reports on Quality Studies with Strawberries. The first report appeared in the January issue.
Root regeneration by seedlings: Ability of ponderosa pine seedling to regenerate root system rapidly after transplanting is important factor in survival
by Edward C. Stone, Gilbert H. Schubert
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Erratic results obtained in organized ponderosa pine planting programs– some successful, more not successful– emphasized the need for reliable planting systems applicable to California conditions.
Abstract Not Available – First paragraph follows: Erratic results obtained in organized ponderosa pine planting programs– some successful, more not successful– emphasized the need for reliable planting systems applicable to California conditions.
Mealybug on apricot: Old pest of grapes and pears is causing new control problem for apricot growers
by Harold F. Madsen, Lester B. McNelly
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: Damage to apricots by mealybugs is a relatively new problem as it was not reported prior to 1956. The species involved has been identified as the grape mealybug–Pseudococcus maritimus (Ehr.) –a common pest of grapes and pears.
Abstract Not Available – First paragraph follows: Damage to apricots by mealybugs is a relatively new problem as it was not reported prior to 1956. The species involved has been identified as the grape mealybug–Pseudococcus maritimus (Ehr.) –a common pest of grapes and pears.
Weed control in shasta daisy: Costly hand weeding of commercial flower crop reduced in successful field tests with neburon in Santa Barbara County
by Jack L. Bivins, William A. Harvey
| Full text HTML  | PDF  
Summary Not Available – First paragraph follows: One of the more promising of the newer herbicides for weed control in commercial flower crops is neburon– l-n-butyl-3 (3.4-dichlorophenyl)-1-methylurea–a chemical low in water solubility and toxicity to man or animals.
Abstract Not Available – First paragraph follows: One of the more promising of the newer herbicides for weed control in commercial flower crops is neburon– l-n-butyl-3 (3.4-dichlorophenyl)-1-methylurea–a chemical low in water solubility and toxicity to man or animals.

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