Root Aphids and Mealybugs
Root aphids and mealybugs damage to roots of plants by sucking the sap in the roots often causing wilting and discoloration of the plants.
Root aphids are similar to above ground aphids but feeding on the roots instead of leaves and stems. E.g. The lettuce root aphid is a soil dweller that attacks lettuce roots in spring and summer, causing lettuce plants to wilt and occasionally die.
Root mealybugs are common in containers and well draining soils. The mealybugs have a thin, uniform waxy coating and lack the terminal wax filaments typical of their foliar-feeding relatives. Large white fluffy patches may develop on the roots.
- Apply PLANThealth Insect Hit Granules around roots of the affected plants and water in.
- Drench the soil by applying Organic Insect Control Pyrethrum using a water can with rose. This is best applied late in the day and every 2-3 days.
- Rotate crops and do not plant root vegetables in areas affected by root aphids the year previously.
Warm and Cool Season Lawn Grasses
New Zealand has both warm and cool regions. Lawns are most commonly of cool season grasses but in warm regions, particularly coastal areas, warm season grasses can be used for lawns.
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Deals with Root Aphids and Mealybugs
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