Yellows of Brassicas

Fusarium oxysporum f.sp. conglutinans

Description:

Yellow leaves that often twist sideways. Yellow to brown discoloration of vascular tissue.
Stunted or slow growing plants and only one side of the plant may be affected.

Species Affected:

Brassicas.

Biology:

Favoured by warm conditions and potassium deficiency.
Survives in the soil for many years.
Spread by movement of soil and water flows.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Plant resistant varieties.
Apply adequate potassium.

Related and Similar Species:

Crown Rot of Cereals (Fusarium graminearum Group 1)
Head Scab of Wheat (Fusarium graminearum Group II)

References:

1292

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.