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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

Increase watering after plants bloom.

 

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