Protection of tree plants

Plant husbandry – Tree trunk guard or protector – Method

Reexamination Certificate

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Reexamination Certificate

active

07073288

ABSTRACT:
The present invention relates to a formulation with particles of a controlled particle size distribution, fixed in an elastic coating, that is applied, either separately or in mixture, in order to prevent attacks by gnawing animals, especially insects, to seedlings.

REFERENCES:
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patent: WO 95/32620 (1995-12-01), None
patent: WO 02/065837 (2002-08-01), None
Eidmann et al.Stockings For Protection Of Containerized Conifer Seedlings Against Pine Weevil(Hylobius abietis L.)Damage, Scand J. For. Res., vol. 4, pp. 537-547, 1989.
Eidmann et al.,Physical Protection Of Conifer Seedlings Against Pine Weevil Feeding, Scand J. For. Res., vol. 11, pp. 68-75, 1996.
Hagner et al.,Survival After Planting Without Soil Preparation For Pine And Spruce Seedlings Protected From Hylobius abietis By Physical And Chemical Shelters, Scand. J. For. Res., vol. 10, pp. 225-234, 1995.
Lindstrom et al.,Field Performance Of A Protective Collar Against Damage By Hylobius abietis, Scand. J. For. Res., vol. 1, pp. 3-15, 1986.
Orlander et al.,Mekaniska Syntbaggeskydd, K. Skogs-o Lantbr.akad. Tidskr., vol. 137, pp. 43-50, 1998.
Petersson et al.,Falttest Av Mekaniska Snytbaggeskdd For Tackrotsplantor- Forosk Anlagt Varen 1997, Reviderat Hosten1997, Sveriges Lantbruksuniversitet, Field trial, ASA Forest Research Station, Swedish University Of Agri. Sci., Lanmbrult, vol. 3, pp. 1-17, 1998.
Peterson et al.,Mekaniska Syntbaggeskydd For Barrot- och Tackrotsplantor- Forsok Anlagt Varen 1996, Reviderat Hosten 1996 Och 1997, Sveriges Lantbruksuniversitet, Field trial, ASA Forest Research Station, Swedish University Of Agri. Sci., Lanmbrult, vol. 3, pp. 1-13, 1998.
Von Hofsten et al.,Mekaniska Snytbaggeskydd-En Lagesrapport, vol. 24, pp. 1-6, 1999.

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