Male Sterility in Flowering Plants

or fruit production as a consequence of the lack of optimum pollination conditions (CLARK and FRYER, 1920; ARMSTRONG and WHITE, 1935; VALLEAU, 1918; KVAALE, 1927; and many others). In order to mini­ mize the influence of poor pollen producers, systematic planning of a field planting or an orchard might be necessary. Above all, the im­ portant reason for its wide popularity is its potential use in ...