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A method of retrospective study of the dynamics of seed bearing in Pinus sibirica


, : A method of retrospective study of the dynamics of seed bearing in Pinus sibirica. Botanicheskii Zhurnal 64(7): 971-974

A technique is described for locating and identifying the traces of old cone attachments and aborted conelets in cross-sections of fruiting branches (in the upper crown) which may continue growing for 100 yr or more. Radiography is used in difficult cases.

US$29.90


Other references

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Drexler, H.G.; Gaedicke, G.; Minowada, J., 1986: Pre-B and non-T/non-B leukemia cell lines BV-173, KM-3, NALM-6, and REH: changes in isoenzyme profiles during induction of differentiation. The ability of 12-O-tetradecanoylphorbol 13-acetate (TPA) to induce stable phenotypic changes that serve as markers of differentiation was examined in the non-T/non-B leukemia cell lines KM-3 and REH and in the pre-B leukemia cell lines BV-173 and...

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Ikeda, K.; Watanabe, Y.; Ohto, H.; Kawakami, K., 2002: Molecular interaction and synergistic activation of a promoter by Six, Eya, and Dach proteins mediated through CREB binding protein. Drosophila sine oculis, eyes absent, and dachshund are essential for compound eye formation and form a gene network with direct protein interaction and genetic regulation. The vertebrate homologues of these genes, Six, Eya, and Dach, also form a s...

Gelfand, J.; Newberger, A., 1998: A brain model of the relationship between semantic memory, and prefrontal working memory in semantic cognitive tasks. Society for Neuroscience Abstracts 24(1-2): 165

Bugat, R., 1993: First study on vigilance on an operation-center aboard a frigate during sea-mission. During a short tactical exercise aboard missile-launcher frigate, a continuous vigilance evaluation has been carried out, at three work-stations of the Operation-Center. This study has been performed through a continuous sound reaction time as sec...

Gevers, J.K., 1995: Response of the law to developments in genetics. In this article, first of all the potential role of the law with regard to complex developments like those in genetics is examined; a distinction is made between substantive law (for example prohibitions) and procedural law (for example licensing...

Bozymski, Eugene M., 1993: Endoscopic retrograde cholangiopancreatography. (see Book Title) [Author] Drossman, D A (Ed ) Manual of gastroenterologic procedures, Third edition xv+288p Raven Press: New York, New York, USA Illus Paper ISBN 0-88167-944-5 : 150-156

Jensen, L.K.; Eenberg, W., 1996: Occupation as a risk factor for knee disorders. The objective of the present study was to review the literature on the risk of knee disorders in connection with kneeling or squatting work and heavy physical work. A systematic review of the literature revealed 19 controlled studies on this corre...

Nagata, Y.; Okajima, K.; Murata, R.; Mitsumori, M.; Mizowaki, T.; Yamamoto, M.; Hiraoka, M.; Nishidai, T.; Nakata, M.; Abe, M.; Sugahara, K.; Arimura, H.; Hosoba, M.; Morisawa, H.; Kazusa, C.; Ai, D.; Kokubo, M., 1996: Development of an integrated radiotherapy network system. Purpose: To introduce the process of developing an integrated radiotherapy network. Methods and Materials: We developed a new radiotherapy treatment-planning system in 1987 that we named the Computed Tomography (CT) simulator. CT images were immed...