How to Manage Pests

UC Pest Management Guidelines

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Bearded sprangletop, Leptochloa fascicularis.

Rice

Treatment Periods for Most Effective Control in an IPM Program

(Reviewed 4/04, updated 4/04)

In this Guideline:

Seed soaking
Seedling stage 1
Seedling stage 2
Early tillering

Late tillering
Publication
Glossary

SEED SOAKING

Seed rot and seedling disease

SEEDLING STAGE 1 (to 3-leaf stage)

Grass weeds
Broadleaf and sedge weeds
Rice water weevil
Tadpole shrimp

SEEDLING STAGE 2 (to 5-leaf stage)

Rice leafminer
Algae

EARLY TILLERING

Grass weeds
Broadleaf and sedge weeds—Resistant biotypes

LATE TILLERING

Perennial weeds—Gregg arrowhead, Ricefield bulrush

PUBLICATION

UC IPM Pest Management Guidelines: Rice
UC ANR Publication 3465
General Information
J. E. Hill, Agronomy and Range Science, UC Davis
J. F. Williams, UC Cooperative Extension, Sutter/Yuba counties

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