Crop Protection :: Pests of Plum
Peach borer: Sphenoptera lafertei
Symptoms of damage
- Beetle feed on leaves
- Young grubs bore into and feed inside bark and make irregular galleries
- Gum globules appear at the points of entrance on bark
Management
- Collect and destroy the damaged shoots and branches
- Swab trunk with carbaryl 50 WP at 0.2%
- Spray malathion 0.1% .
- Field release of some natural enemies like gray field ant, Formica aerata, chalcid wasps, Copidosoma (=Paralitomastix) varicornis and Hyperteles lividus,
- Spray application of Bacillus thuringiensis (BT) products have been effective if applied when larvae are first noticed and before they tunnel into twigs, buds or fruit.
- Spray application of following insecticides
| Timing |
Product |
| pink (peach) |
Azinphos-methyl (Guthion or Sniper 50WP)
or phosmet (Imidan 50%WP) |
petal-fall
(peach and apricot) |
Thiodan, Guthion, Sniper, Imidan |
petal-fall
peach only |
or deltamethrin (Decis 5 EC) |
husk-fall
(apricot) |
Thiodan, Guthion, Sniper or Imidan |
summer
(apricot and peach) |
Thiodan, Guthion, Sniper, or Imidan |
|
SOURCE
www.ipm.ucdavis.edu, www.apidweb.com, ag.arizona.edu
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