We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use forestresearch.gov.uk, remember your settings and improve our services.
Preparing to search
Corsican pine (CP) could never be considered a major species nationally, but it has retained local importance, particularly in East England. There have been certain years, namely 1976 and 1987, when there has been great activity devoted to CP. In 1976, a single progeny test containing 524 open-pollinated families was planted in Thetford Forest (East Anglia). In 1987, a further 350 open-pollinated families were put out to test in seven different series; each series contained approximately 50 families and was replicated across 3 sites.
In both the 1976 and 1987 tests, the selected parent trees were chosen as above average, flowering phenotypes within good quality stands, known to be of an appropriate seed origin, in Thetford forest. Seed was collected by climbing the trees and the progeny were put out to test very soon thereafter.
Previously, 15 open-pollinated CP progeny tests had been established during the late 1960s and early 1970s containing material collected from a much smaller number of plus trees selected in the more traditional way involving a very high selection differential.
Assessments have been carried out for vigour and stem straightness, but wood density has never been measured.
In spring 2000 a breeding population was constructed by reselecting amongst the original parent trees. This was the first breeding population composed following a complete (Best Linear Unbiased Predictor) BLUP analysis of all progeny tests data .
Tested seed orchards have been established although they have yet to yield seed. New seed orchards containing a production population following the BLUP analysis of first generation progeny tests would offer extra genetic gain.
It is not envisaged that breeding will proceed into a second generation.
Cookies are files saved on your phone, tablet or computer when you visit a website.
We use 3 types of cookie. You can choose which cookies you're happy for us to use.
These essential cookies do things like remember your progress through a form. They always need to be on.
We use Google Analytics to measure how you use the website so we can improve it based on user needs. Google Analytics sets cookies that store anonymised information about: how you got to the site the pages you visit on forestresearch.gov.uk and how long you spend on each page what you click on while you're visiting the site
Some forestresearch.gov.uk pages may contain content from other sites, like YouTube or Flickr, which may set their own cookies. These sites are sometimes called ‘third party’ services. This tells us how many people are seeing the content and whether it’s useful.