Vol. 10, Issue 1, 1956

Pear packing plant economies: Study shows possible variations in plant organization and operation offer potential reductions in inplant packing costs

B FrenchL SammetR Bresrler

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Research Article

Irrigation pumping plant costs: Capacity of well, design and power of pumping plant must be engineered to fit water needs of crop for operating economy

V Scott

George Koumbarakis, graduate student in irrigation, University of California, Dauis, at the time the following study was made, assisted in the work.

Research Article
Three new hybrid tomatoes: Crosses between male-sterile and fertile varieties prove superior for quality and early yield of market tomatoes
C RickC BaughnB Hall
A high early yield of marketable fruit was the goal achieved in an experiment in the breeding of hybrid tomatoes that started in 1947.
Research Article
Flare-up of oriental fruit moth: Costly outbreak of pest of peach orchards in 1954 resulted in co-operative research in 1955 to develop control program
F SummersL BrownJ FoottJ Quail
An outbreak of Oriental fruit moth— not Oriental fruit fly—caused appreciable crop damage in a small number of peach orchards near Kingsburg during the harvest of 1954. This was the...
Research Article
Powdery mildew on peach trees: Comparative effectiveness of sulfur and other chemicals for control of peach powdery mildew in tests near Linden
J OgawaF Charles
Peach powdery mildew—a fungus disease incited by Sphaerotheca pannosa (Wallr.) Lev.—attacks leaves, twigs, and fruit of peach trees.
Research Article
Citrus replant seedling tests: Trifoliate orange rootstock shows better growth in old citrus soil than other seedlings included in replant problem study
J MartinW BittersJ Ervin
The citrus replant problem varies greatly in severity in different soils and areas. Part of that variation appears to be related to the rootstock originally grown on the soil and...

Research Article

Sulfur dioxide injury on citrus: Riverside tests show orange trees to be resistant to plantdamaging air pollutant at known atmospheric concentrations

E DarleyJ MiddletonJ Kendrick

Concentrations of sulfur dioxide—an important plant-damaging constituent of the atmosphere—vary from 0.01 part per million—ppm—to 0.24 ppm, and average about 0.06 ppm in the south coastal plain of California.

Research Article

Filbertworm Injury to Walnuts

A MichelbacherS HitchcockA Retan

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Research Article

Mechanized Cucumber Picking

B HallJ MacGillivray

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Research Article
Manure as Source of Nitrogen
T EmbletonW Jones
Studies of tilled and nontilled citrus and avocado orchards show manure to be efficient in supplying nitrogen to tilled soil.

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