Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 8:591-593 (1968)
© 1968 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Genetic and Environmental Variation in Mineral Element Accumulation in Barley, Wheat, and Soybeans

R. A. Kleese, D. C. Rasmusson and L. H. Smith2

Twelve varieties each of barley and wheat and 10 of soybeans were grown in 2 years at two locations to assess genetic and environmental variation in accumulation of 12 mineral elements. Seedling leaves and seed of barley and wheat and seed of soybeans were assayed. Varietal differences in accumulation of P, K, Mg, Na, Ca, Mn, B, and Sr were significant in most plant materials studied. In contrast, differences in accumulation due to years and locations generally were small and non-significant.

A few of the genotype x environment interactions were statistically significant but the majority of them were nonsignificant, and all the interaction components were smaller than the experimental error. Also, estimates of genetic variane were larger generally than interaction components. The consistency in performance of genotypes across years and locations indicates that a single environment may suffice when screening genotypes for differences in mineral accumulation.

Genetic correlations involving accumulation of a particular element in seed and seedling leaves were positive and near 0.4 to 0.5. Ca and Sr accumulation were highly correlated in all plant materials. In soybean seed, P, Ca, Sr, Mg, and Mn accumulations were highly and positively correlated.

Key Words: mineral accumulation • genotypic differences • environmental variation

1 Contribution from the Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, 55101. Paper No. 6487. Scientific Journal Series. Research supported in part by Contract No. AT(11-1)-1097 from the Atomic Energy Commission.

2 Associate Professor and Professors of Agronomy and Plant Genetics, respectively, University of Minnesota, St. Paul, Minn. cine max L. Merr.),

Received for publication March 19, 1968.




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Copyright © 1968 by the Crop Science Society of America.