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Abstract
Experimental induction of male sterility in Triticum. — Prolonged artificial illumination (12-24 h. every 24 hours) and high temperature (20-25[ddot]C.) induce in « Denti de cani » plants (Meletti, 1955) the transformation of the stamens, which tend to take morphological characteristics of female organs (Meletti, 1960). The prolonged illumination induces, also at temperatures inferior to 20[ddot]C., a remarkable increase of the percentage of « Denti de cani » flowers which have reduced anthers without pollen grains.