registrations of IGR and neonicotinoids:
: cucurbits, cotton, lettuce
cotton, melons, leafy vegetables
cotton, leafy vegetables
applications allowed by labels.
of increased selection pressure on whiteflies
necessity to sustain the efficacies of these valuable chemistries
for whitefly control.
- Arizona Cotton
- Arizona Cotton
Res & Prot Council
- Western Growers
- Arizona Veg Growers
- Yuma Veg Shippers
- Cotton Incorporated
- Arizona Department
- University of
Harmonize and Sustain Effectiveness of Shared Chemistries While
Managing Whiteflies Across Commodities.
- Regional cropping
- WF population
more than one host-crop is
grown in significant acreage within the same community.
- Yuma Co.
- Maricopa Co. (e.g. Aguila)
- Pinal Co. (e.g., MAC)
cotton is the dominant WF
host crop grown in a crop community.
- Maricopa Co. (e.g. Buckeye)
- Pinal Co. (e.g. Casa Grande)
- Pima Co. (e.g. Marana)
Chemical Use (1 IGR use / crop season)
use to 1 application per crop season.
use to no more than 3 applications per year in a multi-crop
not expose multiple, sequential generations of whitefly to
Applaud/Courier (or any WF chemistry).
treatments of adjacent fields such that, when thresholds indicate
the need for Applaud applications:
are made within 1 week (within the same whitefly generation),
interval between Applaud sprays is more than 4 weeks,
or at least 2 whitefly generations
- Do not apply neonicotinoids.
(Centric/Actara, Provado/Leverage, Assail)
Melons /Vegetables :
A single neonicotinoid
use (soil or foliar) per crop
Do not apply a foliar
neonicotinoid spray followingthe use of a soil application
of Admire or Platinum.
Soil or foliar neonicotinoids
should not be applied during the following periods:
Consider foliar alternatives
for vegetables that are planted after WF movement subsides
and harvested before aphids typically become abundant.
(e.g., Oct 7th ~ Nov 7th in Yuma Valley)
- No more than 2 neonicotinoid uses
per cotton crop (soil, foliar or seed treatment)
- Sprays should only be used following
an initial IGR applications (Stage II of Whitefly IPM Program)
- Sprays should not to be applied consecutively,
but rotated with conventional chemistries (Stage II or III)
|2 uses per crop
|| 1 use / crop, narrowed
|2-4 uses per crop
||No use on Cotton
Limit use in Veg / Melon
No more than 2 nonconsecutive uses in cotton intensive communities,
and only after Stage I - IGR
Issued in furtherance of Cooperative Extension work, acts
of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture,
James A. Christenson, Director Cooperative Extension, College of Agriculture,
The University of Arizona.
The University of Arizona is an equal opportunity, affirmative
action institution. The University does not discriminate on the basis of race,
color, religion, sex, national origin, age, disability, veteran status, or sexual
orientation in its programs and activities.
Because labels are subject to frequent change, always consult
the label attached to the product before using any pesticide. The user must
assume responsibility for proper application and for residues on crops as well
as for damage or injury caused by pesticides, whether to crop, person or property.
Any products, services, or organizations that are
mentioned, shown, or indirectly implied in this web document do not imply
endorsement by The University of Arizona.
For more information
on the material in this document contact:
John C. Palumbo, firstname.lastname@example.org
Research Scientist (Entomology)
Peter C. Ellsworth, email@example.com
College of Agriculture, The University of Arizona.
Material written March 2002.