Silviculture / Modification of the physical environment / Protection of young trees
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  Protection of young trees

Rabbits, hares, deer, kangaroos and wallabies are common browsers of young trees. Domestic stock can also be a serious problem if poorly controlled. Where permissible and appropriate, options for browsing control might include:

• shooting and poisoning
• repellents
• tree guards
• fencing
• deterrents.

The option chosen will depend on the type(s) of browser, the area, risks and the landowner’s resources.

Insect damage to young trees can be extensive, especially during dry periods or droughts, or when insect pest populations are high. Landowners should be aware of the risks and watch for signs of excessive defoliation. Small trees can tolerate quite high levels of defoliation providing the apical bud is not damaged. But treatment might be needed if trees are attacked repeatedly. In areas where the risk of insect damage is known to be high, a one-off application of systemic insecticide may be necessary when seedlings are planted. As with weed protection, newly planted seedlings that receive adequate weed protection, and grow to a height of one metre, will be strong enough to survive after their first full growing season.

Frosts, hot winds, sand blasting and hail can destroy young trees. Guards are often used to reduce these risks although effective frost control is difficult. Landowners need to assess the risks and decide whether control is necessary or cost-effective.

Planting trees to reduce the spread of weeds
Planting trees to reduce the impact of pests

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