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Abstract
Seventy three strains of Aegilops ovata L. collected in Jordan, Lebanon Syria, Turkey, Greece and Italy by The Botanical Mission of University of Kyoto to Eastern Mediterranean Countries were crossed with one common pollen parent and chromosome pairing at first metaphase of meiosis and pollen fertility of their F1 plants were observed.Based on chromosome pairing, 73 strains were classified into four chromosome types, that is, (I) pollen parent type (one strain), (II) one reciprocal translocation type (55), (III) type with two independent reciprocal translocations (14) and (IV) type with two translocations involving three chromosomes (3).From the frequency of quadrivalents, it is suggested that there are some kinds of reciprocal translocations in Ae. Ovata. It is revealed that no complicated chromosomal differentiation has occured in this species.
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