biologia plantarum

Biologia plantarum 4:54-60, 1962 | DOI: 10.1007/BF02932226

Compatibility relations in some sweet cherry cultivars

Karel Hrubý¹

¹ Department of Genetics, Faculty of Science, Charles University, Praha

In the course of seven years, mutual compatibility relations in 16 Sweet Cherry cultivars, grown in Czechoslovakia were investigated. Successful pollinations were evaluated according to the percentage of fully ripe fruits. The results obtained are summarized in Table l.The fertility as well as the pollinating ability of the individual cultivars are recorded in Table 2.
It was found that the cultivar Emperor Francis, cultivated in this country, differs from the variety of the same name grown in Western Europe, belonging to another incompatibility group and thus being also of another genotype. It must therefore be designated as Emperor Francis B. It is incompatible with Bigarreau Noir de Winkler, belonging to incompatibility group II (genotype S¹S³).
All remaining cultivars investigated are mutually compatible. Therefore, when larger plantings of these cultivars are to be established, only the time of flowering should be considered.
Further, the conditions are discussed which may cause repeated incompatibility in one direction only. The probable cause lies in flower biology (i.e. the age of blossoms of maternal plant) not in genotypic constitution.

Received: March 27, 1961; Published: March 1, 1962  Show citation