Interaction between weed control and loblolly pine, Pinus taeda, seedling quality

Third-year heights, third-year root-collar diameters, and 3 yr volume growth of loblolly pine seedlings were examined in relation to a) root-collar diameter class at time of planting and b) herbaceous weed control. Treatments were a) no weed control and b) complete control for 2 yr. For both weed co...

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Bibliographic Details
Published in:Weed technology 1988-04, Vol.2 (2), p.191-195
Main Authors: Mitchell, R.J, Zutter, B.R, South, D.B
Format: Article
Language:English
Subjects:
ALTURA
BIOLOGICAL COMPETITION
CALIDAD
COMPETENCIA BIOLOGICA
COMPETITION BIOLOGIQUE
CRECIMIENTO
CROISSANCE
DESHERBAGE
DIAMETER
DIAMETRE
DIAMETRO
ESCARDA
GROWTH
HAUTEUR
HEIGHT
HERBICIDAS
HERBICIDE
HERBICIDES
MALEZAS
MAUVAISE HERBE
Nursery stock
PINUS TAEDA
Plant interaction
Plantations
Planting
PLANTULAS
PLANTULE
QUALITE
QUALITY
root-collar diameter
SEEDLINGS
Tree growth
Trees
Vegetation
WEED CONTROL
WEEDS
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Summary:Third-year heights, third-year root-collar diameters, and 3 yr volume growth of loblolly pine seedlings were examined in relation to a) root-collar diameter class at time of planting and b) herbaceous weed control. Treatments were a) no weed control and b) complete control for 2 yr. For both weed control treatments, means for third-year heights, groundline diameters, and volume growth were related positively to initial seedling diameter. The influence of initial seedling diameter on third-year diameters and heights did not differ among weed control treatments. However, the influence of initial diameter on volume growth did differ among weed control treatments. Thus, when using herbaceous weed control, additional gains in early volume growth can be realized by planting seedlings with large root-collar diameters.
ISSN:0890-037X
1550-2740
DOI:10.1017/S0890037X00030396