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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

Low Volume Spray Applications of Technical Malathion to Vegetable Crops

Gerhardt, Paul D. 08 1900 (has links)
An experimental application of technical grade malathion was made by helicopter to a mixed planting of vegetables on the University of Arizona Mesa Experiment Station. Technical malathion at the rate of one pint per acre was not phytotoxic to onions, carrots, lettuce, cabbage, broccoli and cauliflower. This dosage did not satisfactorily control cabbage loopers and beet armyworms.
72

Labor Requirements for Vegetable Crops in Arizona

Pawson, Walter 08 1900 (has links)
No description available.
73

Yuma County Boligrow Trials, 1985

Butler, Marvin 04 1900 (has links)
No description available.
74

Oriental Vegetable Cultivar Trials

McGrady, John, Tilt, Phil 05 1900 (has links)
No description available.
75

Vegetable Transplant Container Trial

McGrady, John, Tilt, Phil 05 1900 (has links)
No description available.
76

Improved Management Strategies from Basic Biology of Whiteflies

Byrne, David N. 05 1900 (has links)
A series of experiments has been conducted aimed at learning more about whitefly biology. We learned that: 1) whitefly eggs imbibe water from plant tissue; 2) the wax particles on exterior body surfaces may be antifungal; 3) mature lettuce is not a good host for whiteflies and; 4) there is a migrating morph. All these facts are of practical importance.
77

Vegetable Transplant Stress Conditioning

McGrady, John, Tilt, Phil 05 1900 (has links)
No description available.
78

Assessment of Virus Disease Incidence and Whitefly Population in an Isolated Agroecosystem in Central Arizona

Brown, Judith K., Easley, Jack R., Poulos, Bonnie T., Nelson, Merritt R. 05 1900 (has links)
A survey study was undertaken to identify the plant viruses, to document the occurrence of virus diseases, and to document the seasonal population dynamics of insect vectors in a semi-isolated agricultural site in Central Arizona. A typical year-round cropping history at the site consists of cotton and seasonal sequences of vegetables. The most abundant insects caught using 24-hr exposures of yellow sticky traps were whiteflies (Trialeurodes abutilonea Haldeman and Bemisia tabaci Genn.) and the cotton (or melon) aphid (Aphis gossypii Glover). Of the three, only B. tabaci and A. gossvpii are recognized as virus vectors in Arizona. The most prevalent plant virus identified in vegetable crops and/or weeds was lettuce infectious yellows virus (LIYV), a whitefly-transmitted virus. The virus was detected in lettuce, (greenleaf, romaine, iceberg, red leaf) watermelon, cantaloupe, spinach, and cilantro. In addition, the watermelon curly mottle/squash leaf curl virus complex (WCMoV-SLCV), watermelon mosaic virus 2 (WMV-2) zucchini yellow mosaic virus (ZYMV), cucumber mosaic virus (CMV), and squash mosaic virus (SqMV) were identified in cucurbits at various times and locations throughout the season.
79

Sustainable Vegetable Production with Modified Cultural Management

McGrady, John, Butler, Marvin, Matheson, Michael, Rethwisch, Michael, Matejka, Joe, Tilt, Phil 05 1900 (has links)
No description available.
80

Analyses of Virus Disease Management Programs

Nelson, Merritt, Stowell, Larry J., Orum, Tom 05 1900 (has links)
No description available.

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