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The germination of Kentucky bluegrass pollen, Poa pratensis L., Newport, was studied in artificial cultures containing variable concentrations of sucrose, calcium nitrate and boric acid. The germinations were made in an incubator in the dark at 21 ± 1 C. Good germination and growth were obtained with 13% sucrose, 0.75% agar agar, and 10 ppm of calcium nitrate and 5 ppm of boric acid.
Key Words: Sucrose Calcium Boron
2 Senior lecturer, West Pakistan Agricultural University, Lyallpur, Formerly Graduate Student, Washington State University; Assistant Professor of Agronomy, Washington State University; Research Agronomist, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture.
Received for publication November 21, 1968.
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