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Soybeans: Symptoms in the Field

Author: OMAFRA Staff
Creation Date: 01 March 2002
Last Reviewed: 01 March 2002
Agronomy Guide > Pub 811: Soybean > Symptoms In The Field
Excerpt from Agronomy Guide for Field Crops (Chapter 4)
Order OMAFRA Publication 811: Agronomy Guide for Field Crops

Table of Contents

  1. Introduction
  2. Symptoms in the Field - Table 4-18
  3. Updates on Soybeans: Symptoms In The Field
  4. Related links...

Introduction

Table 4-18, Symptoms in the Field, shows insects and pests that could be causing the symptoms in the field. Individual descriptions of insects found in soybeans and recommendations for their control follow.

Table 4-18. Symptoms in the Field
Symptoms Insects and Pests
Bean Leaf
Beetle		 Grasshoppers Japanese
Beetle		 Potato
Leafhopper 		Seedcorn
Maggot 		Slugs Soybean
Aphid		 Two-Spotted
Spider Mite
Gaps in the Stand
Tunelling into cotyledon, embryo or hypocotyl - - - - X X - -
Holes in Leaves
Ragged holes in leaf (looks like hail damage) - - - - - X - -
Round holes in leaf X X X - - - - -
Leaves Distorted or Discoloured
Tips of leaves yellow or appear scorched - - - X - - - -
Small white stipples on upper surface of leaves, leaves turning yellow - - - - - - - X
Leaves puckering or plant stunting (leaves may be sticky) - - - - - - X -

Legend:
X - causing the symptoms
- - not causing the symptoms

Updates on Soybeans: Symptoms in the Field

No updates available at this time.

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