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Lima Beans - Diseases, Pests and Problems





Basic Information



Problem: Cutworms
Affected Area: Root

Description: Cuts off young plant just above the soil; no other damage apparent. Lives in soil around roots.

Control: If troubled, place cardboard collars around seedlings. Extend collar 1" below soil and 1" above the soil.


Problem: Mexican Bean Beetle
Affected Area: Stem and Leaf

Description: Yellow with black markings about 1/3 inch long with spines; said to resemble a pincushion. Eats the surface at the leaf blade leaving leaf veins. Larvae and egg clusters on underside of leaf

Control: Hand pick when small. Crush eggs. Clean up debris in the fall * Rotenone, Pyrethrum and Sevin are registered for use. Sevin can be used to day of harvest. Allow at least 1 day between Rotenone application and harvest. * Pesticide use and recommendations for various areas are constantly changing. Check with your County agent for current recommendations.


Problem: Aphids
Affected Area: Stem and Leaf

Description: Small Insects found on new stems and the underside of the leaf. Usually green. They suck fluids from the plant leaving a honey dew substance behind. Leaves turn pale yellow.

Control: Insecticidal soaps, a strong stream of water, and most registered insecticides. * Pesticide use and recommendations for various areas are constantly changing. Check with your County agent for current recommendations.






Lima Beans

Tips

Harvest lima beans when the pods bulge and you can feel the beans. Split open pods much like peas to remove beans.

 

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