Brownrot

Recently I needed to calculate the losses in global potato production due to late blight caused by the oomycete Phytophthora infestans.

Recently I needed to calculate the losses in global potato production due to late blight caused by the oomycete Phytophthora infestans. I reviewed many articles that reported estimates of losses due to this disease in crops e.g. between 6 and 40 % in Romania, 23 % in Poland, up to 40 % in Burundi, 38-65 % in India, 5 to 60 % in China, 23 – 81 % in Kenya and so on. I reckoned that average losses in the part of the world that has not access to adequate management strategies could safely be set at 35 %. FAO statistics show that in these countries potato production currently is 225 million tons per year which without losses – worth 79 million tons – could have been over 300 million tons. 

 

Anton Haverkort

 

 

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