| The hybrid data base can be searched in eight different ways : l) All hybrids with a specified female and male parent. 2) All hybrids with a specified female parent irrespective of the male parent. 3) All hybrids with a specified male parent irrespective of the female parent. 4) All hybrids in which one particular species is found, irrespective of whether it is the male or female parent. 5) All hybrids of a specific combination, irrespective of which species is the male or female parent. 6) All hybrids of a particular ploidy level. 7) All hybrids with a specified genome in the female and a specified genome in the male. 8) All hybrids with a specified genome common to both the male and female parents. The reference data base can also be examined independently of the search for meiotic data. All the references can be alphabetized and printed or all the references of a particular author, irrespective of whether he is the first or subsequent author, can be located and printed. It is proposed to attempt to keep this data bank up-to-date and to make searches of the data for other workers. Requests for searches should match one of the eight categories listed above. The author would appreciate receiving new or inadvertentely omitted results for addition to the existing lists. Literature Cited ANON. 1954. Progress in researches of species hybrids in Aegilops. W.I.S. 1 : 12. MORRIS, R. and E.R. SEARS. 1967. The cytognetics of wheat and its relatives. In Wheat and Wheat Improvement (ed. K.S. QUISENBERRY and L.P. RETIZ), Amer. Soc. Agron Madison 13: 19-87. |
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