Volume 56 Number 2 Article 19
Year 2002 Month 4
Title: Comparative Agronomic Performance of 15 Saskatoon (Amelanchier alnifolia Nutt.) Cultivars During Their First Seven Years of Growth
Authors: A.M. Zatylny, R.G. St-Pierre and H.P. Tulloch
Abstract:
This study quantitatively characterizes 15 different saskatoon cultivars grown in replicated trials at
two sites (University of Saskatchewan and Moonlake, SK) during their first seven years of growth from
1992 to 1998. The 15 cultivars included 'Bluff', 'Buffalo', 'Forestburg', 'Honeywood', 'JB30', 'Martin', 'Nelson', 'Northline', 'PAR 90', 'ParkhilF, 'Pearson II', 'Pembina', 'Smoky', 'Success', and
'Thiessen'. Data were collected on survival, shoot growth, stem growth, suckering, blossoming time,
fruit size, and yield.
Growth as measured in this study, did not differ among the cultivars in most years.
However, in 1994, 'Thiessen' had a greater current season's shoot growth than most of the other cultivars.
Cultivars that produced the fewest suckers (4 to 10/plant in total over the seven years) included
'Forestburg', 'Martin', 'Nelson', 'PAR 90', 'Pembina', 'JB30', and 'Thiessen'. 'Buffalo', 'Bluff', and
'Parkhill' produced the most suckers with a mean of 34, 36 and 64 suckers per plant, respectively, over
seven years.
Cultivars that tended to bloom earlier in the season included 'Bluff and 'Parkhill';
'Thiessen' and 'Martin' also blossomed relatively early. 'Pembina', 'Success', 'Northline' and 'JB30'
were among the last of the cultivars to blossom. 'Martin' and 'Thiessen' had the largest fruit with mean
diameters of 14.2 and 13.9 mm, respectively.
The cultivars, 'Success', 'Bluff' and 'Parkhill' had the
smallest fruit with mean diameters of 10,10.9 and 11 mm, respectively.
The top yielding cultivars included 'Pearson II', 'Smoky' and 'Honeywood', with a mean cumulative yield over the seven years of
8.5 kg per plant.
The yield of 'Pembina' was unusually low with a mean cumulative yield of just over
2 kg per plant.
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