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Published in Crop Sci 16:680-685 (1976)
© 1976 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Genetic Variability for Mineral Concentration in Plants Related to Mineral Requirements of Cattle1

R. R. Hill, Jr. and S. B. Guss2

Many problems in plant and animal production are attributable to mineral imbalances in soils and in feed rations. The prevailing attitude has been that nutrient disorders in plants can be corrected by applying commercial fertilizers and that deficiencies in animals can be corrected by supplementing diets. Limited attempts have been made to exploit genetic, variability, in plants for accumulation of and reactions to minerals. Recent reviews amply illustrate the genetic variability for tolerance to adverse concentrations of some elements and the potential for their use on problem soils. Other mineral-related agricultural problems may be attacked through plant breeding. We chose breeding for plant mineral concentrations that meet requirements for animal production to illustrate further the potential of genetic variability. We will emphasize how the genetic variability for mineral concentrations in plants may be exploited to more nearly balance animal diets, and, to a lesser extent, the modes of inheritance of mineral concentrations in plants.

Key Words: Plant mineral nutrition • Animal health and nutrition

1 Joint contribution of the U.S. Regional Pasture Research Laboratory, ARS-USDA, and The Pennsylvania State Univ., University Park, PA 16802. Authorized as paper no. 4923 on 27 Aug. 1975 in the Journal Series of the Pennsylvania Agric. Exp. Stn., and contribution no. 367 of the U.S. Regional Pasture Research Laboratory.

2 Research agronomist, ARS-USDA (also adjunct associate professor of plant breeding), and professor of veterinary science extension, respectively.

Received for publication November 7, 1975.




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