IC-498 (3) -- March 26, 2007

Announcements

A message from the editors

An introduction to this special issue.
Plant Diseases

Soybean rust found in Iowa

Get the details on this discovery.
Plant Diseases

Iowa Soybean Rust Fast Track System

A quick-response system is in place.
Plant Diseases

PIPE: Pest Information Platform for Extension and Education

A resource for tracking movement of soybean rust and soybean aphid.
Plant Diseases

List of available fungicides for soybean shifting and growing

Many Section 18 labels will expire in November.
Insects and Mites

If July and August are hot and dry, expect spider mites

Three things to check before spraying.
Plant Diseases

Soybean cyst nematode: Still a major threat to soybean production

This nematode is widespread and persistent.
Plant Diseases

Questions (and answers) about soybean rust

About the risk for this year.
Plant Diseases

Brown stem rot and sudden death syndrome: Can you tell them apart?

A review of each disease along with identification and management guidelines.
Weed Management

Weed resistance, shifts, tactics, and alternatives in soybeans

Glyphosate-resistant weed biotypes are present.
Plant Diseases

Why is sudden death syndrome found in early-planted soybeans?

Recent research sheds light on the problem.
Weed Management

Protecting soybean yields from early-season competition

Weeds can steal resources during the critical period.
Crop Production

Fungicide seed treatments in soybean

Should they be standard practice?
Insects and Mites

Soybean insecticides for 2007

Options for bean leaf beetles, soybean aphids, and spider mites are reviewed.
Insects and Mites

If you scout soybeans, you need a net

Marlin Rice tells you why.
Insects and Mites

Biological control of soybean aphids: A Web-based resource

Find information and recommendations for soybean aphid management.
Crop Production

A fresh view of variety selection

Variety selection is about predicting which lines will do best in the future.
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Some of the articles contain pesticide recommendations that are subject to change at any time. The recommendations provided in these materials should be used only as a guide. It is always the pesticide applicator's responsibility, by law, to read and follow all current label directions for the specific pesticide being used. Due to constantly changing labels and product registration, some of the recommendations given in these writings may no longer be legal by the time you read them. If any information in these recommendations disagrees with the label, the recommendation must be disregarded. No endorsement is intended for products mentioned, nor is criticism meant for products not mentioned. The article's author, Iowa State University and Iowa State University Extension assume no liability resulting from the use of these recommendations.