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Interaction Between Weed Control and Loblolly Pine, Pinus taeda, Seedling Quality

Published online by Cambridge University Press:  12 June 2017

Robert J. Mitchell ,
Bruce R. Zutter  and
David B. South
Robert J. Mitchell
Affiliation:
School For., Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
Bruce R. Zutter
Affiliation:
School For., Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
David B. South
Affiliation:
School For., Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
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Abstract

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.

Keywords

Loblolly pinePinus taeda (L.)Forest regenerationtree growth
Type
Research
Information
Weed Technology , Volume 2 , Issue 2 , April 1988 , pp. 191 - 195
Copyright
Copyright © 1988 by the Weed Science Society of America 

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