Studies of flowering and cone crop in a seed orchard of Scots pine

Tormilainen, Mikko

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Silva Fennica vol. 6 no. 2 article id 4868 | 1972 | Article

Mikko Tormilainen

Havaintoja Oitin siemenviljelyksen mäntykloonien kukinnasta ja käpysadosta.

Tormilainen M. (1972). Havaintoja Oitin siemenviljelyksen mäntykloonien kukinnasta ja käpysadosta. Silva Fennica vol. 6 no. 2 article id 4868. https://doi.org/10.14214/sf.a14671

English title: Studies of flowering and cone crop in a seed orchard of Scots pine

Abstract

Male and female flowering, cone crop, and some vegetative characteristics were studied in grafts 10 to 16 years of age in a clonal seed orchard of Scots pine (Pinus sylvestris L.). Genetic variation was found between clones in flowering as well as in cone production. Clone evaluation resulted in similar classifications of clones in different years. A regression analysis showed that crown size clearly increased but previous height growth slightly decreased flowering and cone production. The percentage of pollinated female strobili did not differ between clones.

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Original keywords
Etelä-Suomi; mänty; kloonit; siemenviljelmä; siemenviljely; kukinta; käpysato; geneettinen vaihtelu

English keywords
Pinus sylvestris; Scots pine; flowering; genetic variation; seed orchards; clones; Southern Finland; cone production

Published in 1972

Available at https://doi.org/10.14214/sf.a14671 | Download PDF

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