Volume 46 Number 1 Article 9
Year 1992 Month 1
Title: Compatibility Among Plum Cultivars Adapted to Southern Brazil
Authors: T.C.P. de Carvalho and M. de C.B. Raseira
Abstract:
The best pollinizers for the Japanese plum
cultivars 'Amarelinha,' 'Burbank,' 'Harry Pickstone,'
'Ozark Premier^ Tluma 7,' 'Reubennel,'
•Rosa Mineira; 'Santa Rosa,' 'The First,' 'Wade'
and for the European prune 'D'Agen' were
studied through controlled hybridization in the
field and also in the laboratory, using the cul
tivars that bloom at the same time.
Self fertility
was also assessed.
In-vivo pollen tube growth
was studied in the laboratory using fluorescent
microscopy and common lignt microscopy with
differential dye and results were compared to
fruit set in the field.
Under southern Brazil conditions 'Amarelinha,'
'Harry Pickstone,' 'Methley,' 'Reubennel' and
'Rosa Mineira' had a relatively good fruit set
when self pollinated.
The same was true with
the European cultivar 'D'Agen.'
'Burbank' can be pollinated by 'Ozark Pre
mier' and 'Ozark Premier' by 'Burbank.' 'Pluma
7' showed a high degree of incompatibility but
'Reubennel' and 'Amarelinha' are good pollin
izers for it.
The cultivar 'Reubennel can be selfpollinated
or can be pollinated by 'Amarelinha,'
Pluma 7 or 'Rosa Mineira.' 'Rosa Mineira' can
be self-pollinated and 'Amarelinha,' 'Methley'
and 'Reubennel' are good pollinizers for it also.
Results from the use of the light microscope
with lacmoid as a dye did not differ significantly
from those obtained with the fluorescent
microscope.
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