TESTING OF SELF-(IN)COMPATIBILITY IN APRICOT CULTIVARS USING FLUORESCENCE MICROSCOPY

Dragan Milatović

University of Belgrade, Serbia

Dragan Nikolić

University of Belgrade, Serbia

Milica Fotirić-Akšić

University of Belgrade, Serbia

Aleksandar Radović

University of Belgrade, Serbia



Abstrakt

Self-incompatibility is common in apricot (Prunus armeniaca L.) cultivars of Central Asian and Irano-Caucasian ecogeographical groups, while cultivars of European
group are traditionally considered as self-compatible. However, the number of known self-incompatible cultivars of the European group has increased rapidly over the last two decades. This can be explained by using Asian or North American self-incompatible cultivars in breeding programs that aim to create new genotypes with the traits including: Plum Pox Virus resistance, frost tolerance, increase of the sugar content or extending the harvest time. In this work self-(in)compatibility was tested in 38 apricot cultivars. Pollentube growth in pistils pollinated in laboratory was analysed using fluorescence microscopy. Cultivars were considered self-compatible if at least one pollen tube reached the ovary in the majority of pistils. In self-incompatible cultivars growth of pollen tubes in the style of pistil stopped along with formation of characteristic swellings. Of the examined cultivars, 17 were self-compatible, and 21 were self-incompatible.

Słowa kluczowe:

Prunus armeniaca, pollination, pollen tube growth, pistil

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Opublikowane
2013-12-31



Dragan Milatović 
University of Belgrade, Serbia
Dragan Nikolić 
University of Belgrade, Serbia
Milica Fotirić-Akšić 
University of Belgrade, Serbia
Aleksandar Radović 
University of Belgrade, Serbia



Licencja

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Autor podpisuje oświadczenie o oryginalności dzieła, wkładzie poszczególnych osób i źródle finansowania.


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