2018 Crop Protection Guide for Tree Fruits in Washington

Pear Programs

Friday, April 20, 2018

Pear at Prepink

See General Recommendations for guidelines on table use. Read all product labels carefully.
(clusterbud to popcorn) Avoid killing bees on blooming cover crops. See Hazards to Bees.

= link to additional information in Orchard Pest Management


 Grape
mealybug
Lygus
bugs,
stink
bugs,
green
fruitworm
Pear
psylla
San
Jose
scale
Pear
rust
mite,
brown
mite
REIPHIModeMRL

Product

Except where noted, rates are amount per acre
Efficacy if estimate is available (+ to ++++)
 
Actara 25WDG
thiamethoxam

5.5 oz
+++(+)
--
5.5 oz
++++
-- --
12 h

14/35 d

4A
Asana XL
esfenvalerate
-- --
1 pt
+(+++)
-- --
12 h

28 d

3A
Assail 70WP
acetamiprid

2.3-3.4 oz
+++(+)
--
2.3-3.4 oz
++++
-- --
12 h

7 d

4A
Centaur 70W
buprofezin
-- --
34.5 oz
++(+)
-- --
12 h

14 d

16
Diazinon 50W
diazinon

4 lb

4 lb
-- -- --
4 d

21 d

1B
Dimethoate 4EC
dimethoate
--
32 fl oz
-- -- --
10/14 d

28 d

1B
Dimilin 2L
diflubenzuron
-- --
40-48 fl oz
-- --
12 h

14 d

15
Esteem 35WP
pyriproxyfen
-- --
5 oz
+++

4-5 oz
+++(+)
--
12 h

45 d

7C
Imidan 70W
phosmet

5-5.75 lb
-- -- -- --
7 d

7 d

1B
Rimon 0.83EC
novaluron
-- --
32 fl oz
+++(+)
-- --
12 h

14 d

15
Nexter 75WSB
pyridaben
-- --
10.67 oz
+++(+)
--
6.6-10.67 oz
+++(+)

12 h

7 d

21A

Grape mealybug: thiamethoxam - PHI depends on rate used. Use a dilute spray for full coverage.


Centaur 70W: Centaur together with Rimon can mark fruit.

Rimon 0.83EC: Do not apply novaluron after petal fall. Centaur together with Rimon can mark fruit.


 

Tree Fruit Research & Extension Center, 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us