Drought

Constraint - Drought

Symptoms

• During the vegetative stage leaves turn dark green to purple and tend to stand upright

• Older leaves turn yellow and die

• During flowering, flowers are aborted, pod set is significantly reduced and plants are stunted

• Pod length is reduced and seed development is affected, resulting in shrivelled and sometimes green seed

Damage

Poor or failed crops

Management

Consider growing juncea canola. Do not sow too late in lower rainfall areas.

Links and Resources

AOF - Drought Description of drought symptoms in canola, impact, and management.

BCG - Canola in the Wimmera and Mallee. Drought Brief paragraph on page 2 about minimum subsoil moisture needed before sowing. Published 2008. File size: 444kb

DAFWA - Autumn/winter drought Introduction, what to look for, what else could it be, management strategies, and monitoring. Page last updated 2014. File size: 444kb

DAFWA - Heat stress in canola What to look for in paddock and plant, and what else it could be. Page last updated 2014. File size: 444kb

DAFWA - Spring drought canola Introduction, what to look for, what else could it be, management strategies, and monitoring. Page last updated 2014. File size: 444kb

GRDC - Best Practice Management Guide. Drought Page 14. Effects of heat and moisture stress. Pages 29- 30. Establishing canola in the low rainfall cropping zone. Pages 67-70. Grazing canola, cutting canola for hay and silage, risks to stock health, time of cutting, estimating dry matter yield, quality testing, and feeding canola hay and silage. File size: 444kb