Effects of Extracts of Crude and Composted Bark from Spruce on Some Selected Biological Systems

Krogstad, Ola; Solbraa, K.

doi:10.1080/00015127509435055

Cited by 11 publications

(2 citation statements)

References 8 publications

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“…For all of the tree species in the study, removing the bark completely from the wood produced lower overall concentrations of pollutants. It is well known that extracts from bark can be toxic to living organisms [21][22][23]. Concerning the remnants of inner bark on the wood (as in the gently debarked wood), the spruce differed from the pine and birch.…”

Section: Discussionmentioning

confidence: 98%

The importance of debarking in mitigating the leaching of pollutants from common Swedish tree species submerged in water

Jönsson

2011

J Wood Sci

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Sprinkling wood with water is a common method for protecting wood during storage, yet the polluted runoff generated by the log yard is a major drawback. To study bark's ability to leach pollutants from logs, the Picea abies, Pinus sylvestris, and Betula pubescens wood species were submerged with and without bark for 6 weeks. The water was analysed during the study for total organic carbon, phosphorus, nitrogen, colour, pH, and distillable phenols. The results showed that the leaching from carefully debarked wood is lower than that of both gently debarked wood and intact wood. Storing carefully debarked logs is a viable method for reducing pollutants in log yard runoff.

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Section: Discussionmentioning

confidence: 98%

The importance of debarking in mitigating the leaching of pollutants from common Swedish tree species submerged in water

Jönsson

2011

J Wood Sci

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“…Studies by Watson (1973) and by Gindrat and Pilloud (1976) ground bed experiment. Krogstad and Solbraa (1975) showed that aqueous extracts of fresh spruce bark inhibited several biological activities. We should also consider the fact that nitrogen deficiency is the main cause of 'phytotoxicity' of bark introduced into soil, as mentioned by Lunt and Clark (1959).…”

Section: Soil Treatmentmentioning

confidence: 99%

Control of phomopsis sclerotioides with Gliocladium roseum or Trichoderma

Gindrat¹,

Hoeven²,

Moody³

1977

Neth. J. Pl. Path.

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Control of P. sclerotioides by soil inoculants containing G. roseum or Trichoderma conidia was attempted in commercial greenhouse and in ground bed trials. Both antagonists reduced wilt and root symptoms caused by the pathogen. Seedling damage caused by Trichoderma inoculants could be avoided by adding peat to inoculants and by delaying planting until about 2 weeks after soil treatment. Preliminary ecological studies showed that moisture and temperature of infested soil, before planting, with or without G. roseum, had various effects on root rot.

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