HYBRIDIZATION OF TRITICUM AND AGROPYRON: III. CROSSING TECHNIQUE

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Abstract
Crossing technique is discussed with respect to coincidental flowering of parental plants, emasculation, bagging, tagging, marking, collection of pollen and pollination.Data are presented which demonstrate that stigmas of emasculated wheat florets retain their receptivity, and may be successfully pollinated, a week or more after the normal time of flowering. It is also shown that wheat and Agropyron pollen may be stored under room conditions for a day or two without appreciable reduction in viability. These points are discussed in relation to crossing technique.

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