Spruce budworm
Budworm feeding damage is first noticed on outer branch shoots in the upper crowns of spruce and fir trees.
Partially eaten needles are webbed onto branch tips and turn a reddish-brown color.
Long-term damage of budworm defoliation can result in top kill in 2 to 3 years for balsam fir or 3 to 5 years in white spruce.
Additional years of feeding cause tree mortality.
Disease causing Species Name:
Choristoneura firmiferanu
Major Plants under threat:
Spruce
Method of Application:
Soil application, foliar spray,drip irrigation. se the spray solution as a direct spray targeting the pests on the undersides of the leaves.
Intervals:
Apply preferably in the early morning or during the late evening hours. Foliar Spray: Spray on the foliage during evening hours
Dosage:
The normal dosage is 20 g per plant.Soil Application: Mix 3 – 5 kg ABTEC Beauveria with 200 kg organic manure and apply uniformly to moist soil (1 acre). For tree crops mix 20 g with 1 kg organic manure and apply at the base.Foliar Spray: Mix 10 kg ABTEC Beauveria in 500 litres of water per hectare and spray on the foliage . Use the spray solution as a direct spray targeting the pests on the undersides of the leaves. Drip Irrigation: ABTEC Beauveria can be mixed @ 20gm /litre of water. After filtering it can be incorporated into the soil through the drip irrigation system during the pre or post planting stage.
