|
|
How to Manage Pests
UC Pest Management Guidelines
Dry Beans
Monitoring During Pod Fill
(Reviewed 12/08,
updated 12/08)
In this Guideline:
|
|
|
During the period of pod fill, continue sweep sampling for
lygus bugs twice weekly. Use the table below and
the photo identification page to help
identify pests and pest damage.
| What the problem looks
like: |
Check for: |
Possible cause(s): |
| collapsed, wilting, stunted, or dying plants |
watery rot on stems, leaves, and
pods; white webbing; tiny black kernels (sclerotia) stuck to infected plant; yellow flagging |
white mold |
| yellowing leaves; brown discoloration inside root and stem (seen when cut open) |
Fusarium wilt (blackeyes) |
| leaf senescence and defoliation |
cutout (blackeyes)
early decline (common, limas) |
| damaged pods |
distorted pods; pitting and blemishing on seeds |
stink bugs
lygus |
| leaves with holes; skeletonized leaves |
presence of mottled, olive-green
to almost black caterpillars; or, black
caterpillars with prominent yellowish stripe and several bright stripes on each side |
armyworms |
| presence of green caterpillars that arch back when crawling |
loopers |
| presence of hairy caterpillars |
saltmarsh caterpillar |
| leaves with mines |
slender, winding trails or large, whitish blotches |
leafminer |
| leaves with spots |
irregularly shaped spots bordered by a lemon-yellow ring; dead brown tissue in center of larger spots |
common bacterial blight |
| leaves with stippling |
very fine stippling (yellow or white); fine webbing on leaf undersurface |
spider mite |
| white stippling on upper leaf
surface; tiny, dark, varnishlike spots and small, white cast skins on lower leaves |
leafhopper |
IMPORTANT LINKS
![[UC Peer Reviewed]](/IMAGES/logo-ucpeerreviewed.jpg)
UC IPM Pest Management Guidelines: Dry Beans
UC ANR Publication 3446
General Information
W. M. Canevari, UC Cooperative Extension, San Joaquin County
C. A. Frate, UC Cooperative Extension, Tulare County
L. D. Godfrey, Entomology, UC Davis
P. B. Goodell, UC IPM Program, Kearney Agricultural Research Center, Parlier
R. F. Long, UC Cooperative Extension, Yolo County
C. J. Mickler, UC Cooperative Extension, Stanislaus County
S. C. Mueller, UC Cooperative Extension, Fresno County
J. L. Schmierer, UC Cooperative Extension Colusa County
S. R. Temple, Plant Sciences,UC Davis
Top of page
|
