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Monday, May 30, 2011

Control Peach Twig Borer Now

Peach twig borers are flying now and some are getting into early maturing peaches, nectarines and apricots. These small, brown flying months cause some slight damage to new growth in these trees and cause wormy fruit. 
Damage to New Growth of Peach Due to Peach Twig Borer
They usually enter the stem end of the fruit where you can see some frass or light brown grounds left behind by the larva or worm.
Peach Twig Borer Frass Near Stem End on Apricot
 These can be easily controlled with sprays of either spinosad or Bt, both of which are organic sprays. Follow label directions and apply regularly. Add a surfactant such as a spreader/sticker or small amount of unscented liquid detergent. Spray the entire tree, particularly the fruit. 
Peach Twig Borer Larva Causing Wormy Peaches

Spinosad by Ferti-Loam

Spinosad by Monterey

1 comment:

  1. This is exactly what is happening to my peaches. Thanks for posting this.