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Guayule: A Rubber-Producing Shrub for Arid and Semiarid RegionsMcGinnies, William G., Haase, Edward F. January 1975 (has links)
No description available.
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THE EFFECT OF FLOWERING ON RUBBER PRODUCTION IN GUAYULE (PARTHENIUM ARGENTATUM GRAY).Willard, Katherine Lucia. January 1985 (has links)
No description available.
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Development of a guayule production system for low-allergenic rubber in Australia /Dissanayake, P. January 2006 (has links) (PDF)
Thesis (Ph.D.) - University of Queensland, 2006. / Includes bibliography.
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CONTRIBUTION OF YIELD COMPONENTS TO RUBBER PRODUCTION IN GUAYULE.DIERIG, DAVID ALLEN. January 1987 (has links)
Guayule (Parthenium argentatum Gray) has the potential of becoming an important domestic source of natural rubber. Although some progress has been achieved in increasing yields, for guayule to become an economically feasible crop of the southwest desert, further increases in rubber yield, either by increasing biomass or the plant's rubber content, are necessary. Providing the variability for these desired traits is present in available germplasm, the plant breeder must find a means of selecting for these two traits. It is obvious that biomass can be visually estimated, and it is therefore easier to select for this trait in comparison to the plant's rubber content. Due to practical consideration such as harvesting and processing, high rubber content becomes more desirable than extremely large plants. However, it is hoped that measured characters can be found to predict both traits in order to aid the plant breeder. The variables measured in this study were percent rubber and resin, rubber and resin yield(g/plt.), plant height (cm), width (cm) and volume m³, fresh and dry weight (kg/plt.), mean steam diameter (cm), total and mean steam area (cm²), total and mean stem circumference (cm), total circumference/total area (cm⁻¹), stem number, percent dry weight, and regeneration. This study examined a field with 234 guayule breeding lines. A high amount of variability existed both within and among these lines. It was found that dry weight (kg/plt.) had the best correlation to rubber yields (r = 0.92) and plant volume best predicts dry weight (r = 0.84), but none of these variables correlated well with rubber content. The best statistical regression model for percent rubber included four variables, fresh and dry weight (kg/plt.), dry weight (%) and plant volume (m³). This model accounted for 51% of the variability. In comparison, the best regression on rubber yield had an R² = 0.85 for our variables including plant height (cm), width (cm), volume (m³) and dry weight (kg/plt.). It is obvious that rubber yields may be more easily increased by selecting for biomass. However, it appears that in the long term, increases in rubber content will be of critical importance for maximum efficiency. Therefore, a measurable indication of rubber content is needed to aid in selecting for this trait.
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ESTABLISHMENT OF DIRECTLY SEEDED GUAYULE USING SPRINKLER IRRIGATION.Zittlosen, Russell Howard. January 1985 (has links)
No description available.
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Guayule Rubber Production: The World War II Emergency Rubber Project: A Guide to Future DevelopmentMcGinnies, William G., Mills, Jean L. January 1980 (has links)
Item lacks publication date - publication date of 1980-1985 indicated by UA Library Catalog and WorldCat.
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Guayule: A Natural Rubber Source12 1900 (has links)
No description available.
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A Technology Assessment of the Commercialization of Mexican Guayule: Final ReportFoster, Kennith E., Mortensen, B. Kim, Mills, Jean L., Jamail, Milton H., McGinnies, William G., Taylor, Jonathan G., Campos-Lopez, Enrique, Neavez-Camacho, Ernesto, Garcia-Delgado, Jesus, Torres, Adolfo, Motomochi, Baldemar 07 1900 (has links)
Final Report for National Science Foundation Divisions of Policy Research and Analysis and International Programs - Grant No. PRA-8007498 and Consejo Nacional de Ciencia y Tecnologia Comision Nacional de Zonas Aridas
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A Technology Assessment of Guayule Rubber Commercialization: Final ReportFoster, Kennith E., McGinnies, William G., Taylor, Jonathan G., Mills, Jean L., Wilkinson, Ralph R., Hopkins, Fred C., Lawless, Edward W., Maloney, James, Wyatt, R. Chris 05 1900 (has links)
An OALS/MRI Report. / "This report was prepared with the support of National Science Foundation Grant No. PRA 78-11632. Any opinions, findings, conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of NSF.
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Guayule for Rubber Production in ArizonaFangmeier, D.D., Rubis, D.D., Taylor, B.B., Foster, K.E. January 1984 (has links)
No description available.
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