Pear Spray Guide

Preharvest Interval Key - Pome Fruit
D=Dormant application only
DD=Delayed dormant application only
PB=No later than prebloom
FB=No later than full bloom
PF=No later than petal fall
TC=No later than tight cluster
P=No later than pink
NTL=No time limit

Fireblight

European red mite,
scale, pear psylla

Use one of the following:
1. Blue Shield DF
2. Bordeaux mixture
3. Champ Formula 2
4. Kocide DF

superior oil, 60-70 second
viscosity

Copper materials cause injury if
applied beyond half-inch green.
Kocide, Champ, Blue Shield are
copper hydroxide products.
See fungicide chapter for details
on formulas for Bordeaux mix.

Oil inhibits pear psylla egg
laying. Good coverage is
essential.

8-16 lb
(4,6/100)
2/3-1 1/3 gal
8-16 lb

6 gal

D
D
D
D

Pear psylla

Use one of the following:
1. Ambush 2EC
2. Ambush 25WP
3. Pounce 3.2EC
4. Asana XL

18 oz
18 oz
10-14 oz
12-16 oz

7
14
DD
21

1998 New Jersey Commercial Tree Fruit Production Guide

101