Description:A fungal disease that mainly affects stems but may also be on leaves and fruit. Water soaked areas appear on stem near the centre of the plant which may develop into light brown to whitish, sunken cankers with tiny black spore bodies. The cankers may split and exude a reddish, gummy sap. Girdled stems wilt and die. On leaves black spot may appear. On fruit, firm, black, sunken spots may occur.
Species Affected:Cucumber, Marrow, Pumpkin, Rockmelon, Watermelon.
Biology:Favoured by moist conditions.
Life Cycle:Origin and History:
Related and Similar Species:References:
Acknowledgments:Collated by HerbiGuide. Phone 08 98444064 for more information.