November 21, 2024

State Commentary – Howard Schwartz

Legume Crop Growth Stage and Status
Common Beans (dry, snap, fresh market) Last Modified: 09/13/11 09:15 AM
Beans are in the late pod stage or harvested.

Cool-Season Legumes (chickpea, lentil, field pea) Last Modified: 08/29/11 12:04 PM
not applicable

Warm-Season Legumes (lima bean, cowpea) Last Modified: 08/29/11 12:04 PM
not applicable

Insect Scouting, Outlook and Management
Aphids (soybean, bean, green peach, other) Last Modified: 09/13/11 09:15 AM
No reports

Insecticide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Beetles Last Modified: 09/13/11 09:15 AM
Light feeding by Mexican bean beetles in some fields.

Insecticide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Leafhoppers Last Modified: 09/13/11 09:15 AM
No reports at this time

Insecticide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Other Last Modified: 08/29/11 12:04 PM
Some grasshopper feeding along field margins

Insecticide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Disease Scouting, Outlook and Management
Rusts (soybean, common) Last Modified: 09/13/11 09:15 AM
Common rust detected in a few fields in northern Colorado; no other reports, however, conditions have been favorable. Closely follow pre-harvest intervals on pesticide labels.

Rust management video available at http://www.colostate.edu/Orgs/VegNet/vegnet/beans.html

Fungicide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Other Fungal Diseases (white mold,ascochyta,downy mildew) Last Modified: 09/13/11 09:15 AM
Early infection by white mold observed in scattered fields in eastern Colorado; management options included timely fungicides and irrigation scheduling.

White Mold management video available at http://www.colostate.edu/Orgs/VegNet/vegnet/beans.html

Fungicide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Bacterial Diseases (common blight, halo blight, brown spot, wilt) Last Modified: 09/13/11 09:15 AM
Scattered reports of halo blight, bacterial brown spot and common bacterial blight in numerous fields in northeastern Colorado; and common bacterial blight reported in southern Colorado. Management options included timely applications of copper-based bactericides.

Bacterial Disease management video available at http://www.colostate.edu/Orgs/VegNet/vegnet/beans.html

Bactericide recommendations available at: http://wiki.bugwood.org/HPIPM:Dry_Beans

Virus Diseases (AMV, BCTV, BCMV, BYMV, CMV, other) Last Modified: 09/13/11 09:15 AM
BCMV observed in some susceptible bean types (yellow beans) in northern Colorado.

________________________________________
Legume Specialist
Howard Schwartz
Professor of Plant Pathology
Colorado State University
Email:howard.schwartz@colostate.edu