Nath, J., and E. L. Nielsen. (U. Wisconsin, Madison.) Cytology of plants from self‐ and open‐pollination of Phleum pratense. Amer. Jour. Bot. 48(9): 772–777. Illus. 1961.—Conventional cytological disturbances and several anomalous behaviors such as heavy‐walled coenocytes, uncoiled chromosomes, supernumerary chromosomes, production of cross‐bridges at second division, and the occurrence of globular structures in the microsporocytes were associated with sterility in timothy. These anomalies have not been described previously as contributory to reduced seed set in timothy.
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