Subtropical Ferns Do Not Restrict the Growth of Pines

Bredenkamp, B. V.

doi:10.1080/00382167.1986.9629628

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…Drought related leaf senescence (with an associated decrease in leaf area) (Beadle, 1997) may also facilitate the development of postestablishment vegetation. In areas dominated by shade tolerant vegetation even full canopy closure may not be sufficient to reduce the vigour of the undergrowth (Bredenkamp, 1986) and alleviate the effects of competition.…”

Section: Introductionmentioning

confidence: 98%

Post-establishment vegetation control in aEucalyptus grandisxE. camaldulensisstand

Little¹,

Rolando²

2002

The Southern African Forestry Journal

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SYNOPSISIn eucalypt plantations, the effect of shading following canopy closure reduces the growth of competing vegetation. In some eucalypt stands full canopy closure is not achieved and the important characteristic of complete shading is lost. This results in stands with the potential to support competitive levels of postestablishment vegetation. A trial was established on a two year old Eucalyptus grandis x E. camaldulensis stand to determine the competitive effect of post-establishment vegetation on tree growth. A weedfree treatment was implemented annually over a period of five years and compared to a weedy control to determine the time period for the post-establishment vegetation to reach competitive levels. There was no significant tree growth or survival response to competition from post-establishment vegetation for the duration of the trial.

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Section: Introductionmentioning

confidence: 98%

Post-establishment vegetation control in aEucalyptus grandisxE. camaldulensisstand

Little¹,

Rolando²

2002

The Southern African Forestry Journal

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“…If canopy closure does not occur, or is delayed, or if shade tolerant vegetation is present at the site, vegetation can continue to develop beneath the canopy as the stand matures (Bredenkamp 1986;Little 2007;Richardson et al 2002;Albaugh et al 2012). Situations such as this may occur when the trees are planted at a low density, after pruning or thinning operations, or where the species planted has a low leaf surface area resulting in an increase in the amount of under-canopy light (Harrington and Edwards 1999;Messina and Jenkins 2000;Xiao et al 2003;Little 2012).…”

Section: Introductionmentioning

confidence: 99%

Impacts of under-canopy vegetation on stand growth in two pine saw-timber stands, South Africa

Little

Rolando

Morris³

2018

N.Z. j. of For. Sci.

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Background: In pine plantations, shading following canopy closure reduces the growth of competing vegetation. However, canopy closure is not always achieved if low initial planting density, pruning and thinning are practised. This means that complete shading does not occur, resulting in stands with potentially competitive levels of undercanopy vegetation. Methods: At the time of the first pruning operation, two trials were established to determine the competitive effect of under-canopy vegetation on pine tree growth in South Africa, one on a Pinus patula Schiede ex Schltdl. & Cham. (4.5 years) and one on a Pinus tecunumanii F.Schwerdtf. ex Eguiluz & J.P.Perry (2.9 years) stand. This paper documents results at the final thinning operation carried out at 17-18 years. Treatments were weedy (no vegetation control), herbaceous (complete sustained control of woody vegetation), woody (complete sustained control of herbaceous vegetation), weedfree (complete sustained control of all competing vegetation) and operational (only the woody perennial broadleaves were removed prior to any pruning/thinning event in the commercial weed control treatment). From the time vegetation management treatments were first imposed, they were maintained and tree performance monitored over 14-15 successive growing seasons, including and up to the second and final thinning to 250 stems ha

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Subtropical Ferns Do Not Restrict the Growth of Pines

Cited by 2 publications

References 2 publications

Post-establishment vegetation control in aEucalyptus grandisxE. camaldulensisstand

Post-establishment vegetation control in aEucalyptus grandisxE. camaldulensisstand

Impacts of under-canopy vegetation on stand growth in two pine saw-timber stands, South Africa

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