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Original Articles

Accrescimento Delle Plantule Di « Pinus Nigra » Arn. Di Diversa Provenienza (Nota preliminare)

Pages 303-310 | Received 27 Oct 1962, Published online: 14 Sep 2009

Biliografia

  • Bouvarel , P. Le probleme de l'identification de l'origine des graines. Suggestion pour quelques méthodes de rechérches. Proceedings Int. Seed Test. Ass. Vol. 26 , pp. 404 – 410 .
  • Heit , C. E. Shorter germination test durations for tree seeds. Proceedings Int. Seed Test. Ass. Vol. 26 , pp. 424 – 436 .
  • Karschon , R. 1949 . Untersuchungen Über die physiologische Variabilitat von Föh-renkeimlingen autochtoner Populationen. . Mitteilungen der Schweiz. Anst. fur das Forstliche Versuchwesen , 26 : 205 – 244 .
  • Leibundgut , H. 1958 . Beitrag zur Rassenfrage bei der Schwarzföhre. . Centralblatt fur das Gesamte Forstwesen , 75 : 197 – 202 .
  • Vaartaja , O. 1959 . Evidence of photoperiodic ecotypes in trees. . Ecological Monographs , 29 : 91 – 111 .
  • Vaartaja , O. 1961 . Demonstration of photoperiodic ecotypes in Liriodendron and Quercus. . Canad. Journal of Botany , 39 : 649 – 654 .

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