Plantskydd's effectiveness as an animal browse deterrent has been confirmed in operational conditions since 1993 by large forestry companies on millions of conifer and deciduous trees of various species. Plantskydd's effectiveness is attributed to its tenacity in sticking to plants, even under severe snow/rainfall - lasts up to 6 months over winter on dormant plants.
To obtain best results in commercial applications, call and ask for Bill Lasuta - 35 years in forestry and 9 years experience applying Plantskydd.
1-800-252-6051
In the United States deer browse causes an estimated $750
million in damage to forest regeneration programs. Besides immediate browse
damage, residual problems include: growth suppression, future yield reductions,
growth deformities, regeneration delays and plant mortality where plants
are repeatedly browsed or pulled out of the ground. This is a cost the
forest industry can no longer afford.
Plantskydd® was first developed in Sweden in 1991 in response to commercial
forest plantations being decimated by deer, moose and rabbits. The forest
industry needed an animal repellent that could last through severe weather
and meet Sweden's strict environmental laws.
Plantskydd's effectiveness as a long lasting animal browse repellent
was substantiated in Field Trials 1991-1994 and the results published
in the Scandinavian Journal of Forest Research - J. Berquist &
G. Olander, Swedish University of Agricultural Sciences - ASA Forest Research
Station, 1996.
In Canada and the United States,
Plantskydd's effectiveness as an animal browse deterrent has been confirmed
since 1994 in Operational
Level Field Trials undertaken by large forest industry
cooperators on millions of conifer and deciduous trees of various species.
It is now considered the most cost-effective and environmentally
safe animal browse deterrent available and is used by leading forest companies,
nurseries, private woodlot owners, landscapers, home gardeners, as well
as State/Provincial and Federal Conservation agencies.
Available in either soluble powder, pre-mix or granular
formulation, Plantskydd repels: deer, elk, moose, rabbits and opossum
by means of odor - which is not offensive to either applicators or planters
either during or after plant treatment.
Why does it work so well?
Plantskydd works by emitting an odor that animals associate
with predator activity, repelling the animal before it nibbles on plants.
The odor is not unpleasant to the applicator. Research has proven that
this is more effective than other repellent systems- where the animal
needs to taste treated plants before being repelled. Once animals are
attracted to an area and begin feeding, it is more difficult to discourage
them from returning. Plantskydd stimulates a fear-based response which
will have them looking for somewhere else to dine.
Plantskydd's long-term effectiveness is attributable to
the tenacity of its 100% natural, vegetable oil binder in sticking to
plants, even under severe snow/rainfall conditions: up to 6 months over
winter.
Which repellents actually work ?
"
...Studies investigating trends in efficacy of deer repellents indicate
that, of the 20 products tested, repellents with active ingredients that
emitted sulfurous odors i.e.: bloodmeal or egg solids, generally provided
the best results..."
"...Products
that contained active ingredients which cause pain/irritation (capsaicin,
allyl isothiocyanate), or illness (thiram) were less effective..."
"...Products
that use a bitter taste (denatonium benzoate) were usually the least effective
in reducing damage by herbivores. Repellents that were applied to plant
surfaces were generally more effective than capsules or other devices
that produced an odor intended to protect a specific area."
Conference Proceedings‹Advances and Challenges
in Forest Regeneration, June 1-2, 2000
Dr. Dale Nolte, Dr. Kim Wagner, USDA/APHIS
National Wildlife Research Center, Olympia, WA
Fertilizing Effects
 As
an added benefit, Plantskydd acts as a foliar feed fertilizer for many
types of plants. Bloodmeal, Plantskydd's active ingredient, has long been
recognized as an organic fertilizer. Studies performed by Pennsylvania
State University showed that the use of Plantskydd on a variety of flowering
plants resulted in a fertilizing effect.
"All plants
tested that were treated with Plantskydd were larger, had more flowers
and generally had greener leaves. This response is typical of the response
created by an increased level of fertilization."
E. Jay Holcomb,
Professor of Floriculture Department of Horticulture,
Pennsylvania State University
100% Natural
 Plantskydd
powder concentrate is listed by the Organic Material Review Institute
(OMRI) for use in production of organic food and fibre.
Plantskydd is exempt from federal EPA (Environmental Protection
Agency) pesticide registration. Plantskydd contains no synthetic additives,
is non-toxic and is not harmful to animals, plants or the environment.
The 'active' ingredient is dried
blood (porcine and/or bovine)
— recognized by the EPA as an environmentally safe ingredient.
In the United States, *bloodmeal* is an EPA (Environmental
Protection Agency) exempted product/minimum risk pesticide and is exempt
from the Federal Insecticide, Fungicide, and Rodenticide Act requirements,
specifically under Section 25(b) c.f. Federal Register, 61(45), Mar. 6,
1996 and therefore is not subject to federal registration.
"The
EPA has determined ... that the use of these pesticides poses insignificant
risks to human health or the environment ...
"The Agency in promulgating this rule, is responding to society's
increasing demand for more natural and benign methods of pest control
... "
May 6, 1996 USA — EPA
The Forest Industry has conducted extensive field trials.
Plant Protection News
Tree World Publication: Spring - Summer 2003
Adobe .PDF Document (339KB will open in new window)
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