Growth characteristics of Abies alba seedlings in Voronezh
This research focuses on growth and development of seedlings of European silver fir (Abies alba L.), native to central Europe, in the Central Black Earth Region. The research aims at introducing this species to forestry and green buildings in the region. The study was based on measurements and observations of silver fir seedlings in the forest nursery of the All-Russian Research Institute of Forest Genetics, Breeding and Biotechnology, Voronezh. The study started in 2010. We used silver fir from the arboretum of Voronezh State University of Forestry and Technologies as parent trees, which were planted in 1992 by five-year seedlings. The first trees produced seeds in 2009, at the age of 22 years. In 2010 we collected seeds and sowed them after pre-sowing seed treatment. Their germination capacity was about 90%. After 10-14 days the shoots appeared. By the end of the first growing season the height of seedlings was 7.2 cm on average. We continued to monitor their growth and physiological status on an annual basis. The study demonstrates that two key determinants of plant growth are temperature and water availability, and during the first half of the growing season, when soil still has enough water, plant growth depends primarily on the sum of positive temperatures while during the second half of it, due to water shortage, upon precipitation patterns. During the final year of the research the average fir growth was significantly higher than before. The inter-series correlation coefficient between the years was nearly the same. The first-order autocorrelation between the growth of the current and previous year was 20-25%, which indicates a stable growth and development of the seedlings. Thus, it can be concluded that the silver fir is quite adapted to the conditions of the region and can be recommended for introduction into forestry practice.
Dorofeeva, V.D., Odintsov, A.N., Shipilova, V.F. and Komarova, O.V. (2021). Growth characteristics of Abies alba seedlings in Voronezh. Acta Hortic. 1324, 199-202
European silver fir, introduction, seed production, germination capacity, growth, correlation