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How do I protect newly planted trees from browsing pests?
Rabbits and hares can cause major damage to small, newly planted plants.
Some species are more attractive or palatable than others. Although effective, individual protectors can be expensive relative to the cost of the plant especially if large numbers are involved. They do however offer complete protection if installed correctly.
Repellant sprays are not 100% effective, but are still worthwhile during early establishment, especially where protectors are not used. Repellant sprays come in the form of the commercial product called 'Thiropel' and we also have a 'do it yourself' recipe using water based paint and eggs. This is listed at the bottom of this paragraph.
Eradication of the pests, is of course the most effective, but not always possible. Check with your local authority (Pest Control Board), if you have significant numbers presenting a problem. They will advise options and may be able to help in erradication. Other pests will include oppossum, for which traps are available.
Plant protectors (large wire staples supporting a clear plastic or netting sleeve) are available from our nursery. Also protective sleeves are available when planting poplar or willow poles to help prevent damage from grazing animals.
RECIPE FOR ANIMAL REPELLANT
Egg based repellent researched by F.R.I. has shown good protection of tree seedlings from hares, rabbits and opossums.
To make 1 litre to treat 50 small seedlings.
80 gms whole egg powder + 800 mls water + 150 mls white acrylic paint.
or
5 fresh eggs + 600 mls water + 150ml white acrylic paint
Preparation: Egg Powder – mix with a little water to form a paste, then add other ingredients.
Fresh Eggs: Beat well with egg beater, then add other ingredients.
Application: Spray approximately 20 mls of repellent on and around each seedling after planting. May need 2nd application in spring.
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