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Reproductive physiology of <i>Juniperus excelsa</i> M. Bieb. 1-Pollen migration rate

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Title: Reproductive physiology of Juniperus excelsa M. Bieb. 1-Pollen migration rate

Journal: Pakistan Journal of Forestry

HEC Recognition History
Category From To
Y 1900-01-01 2005-06-30

Publisher: Pakistan Forest Institute, Peshawar

Country: Pakistan

Year: 1977

Volume: 27

Issue: 2

Language: English

Categories
Pollen (16) Juniper (9) Botany (17616) Plant Physiology (9591) Reproduction (179)

Abstract

ABSTRACT The pollen dispersal Juniperus excelsa M. Bieb was studied on a single isolated tree. The pollen specimens were collected at the following distances from the source tree: 3, 6, 12, 24, 48 and 96 meters. The results showed that the pollen frequency at a distance of 96 meters is 0.5%of the source frequency. The standard deviation ( D) of the pollen dispersion distance was calculated from pollen counts as a measure of pollen dispersion. It was calculated according to SEWALL WRIGHT's formula (Wright, 1962). The value of D is 16.1 meters.

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