Download the Toolkit: ADAS - Calcium Management factsheet - English.pdf

Tyfu Cymru Pumpkin Network

Managing Blossom End Rot in Pumpkin

Blossom End Rot (BER) is a particular problem that pumpkin growers face, especially when growing for pick-your-own (PYO) markets. BER is a rot caused by a range of different pathogens including Fusarium and Botrytis that begins at the fruit base at the flower scar, spreading up the rind making the fruit unmarketable.

This is more likely in damp conditions where the flower does not fully abscise from the fruit where it can provide an early foothold for pathogens in the environment. Early maturing PYO pumpkins may be left in the field for several weeks until they are marketed at Halloween, increasing the risk of BER development.

The rots render fruit unmarketable as well as making fields less picturesque for customers looking for social media opportunities, and can impact up to 15 – 20% of the crop. Chemical control options are limited and largely ineffectual.

This factsheet will explore some of the ways of managing Blossom End Rot, and has been drafted to support the Tyfu Cymru Pumpkin Network. If you would like more information on the network please click here: Tyfu Cymru Pumpkin Network.

 

Disclaimer

Every effort is made to ensure the accuracy of information and recommendations given in these notes.  These recommendations are given as general guidance, and Tyfu Cymru does not accept any liability for their impact. It is strongly advised you seek targeted recommendations from a qualified FACTS/BASIS advisor for detailed disease and nutrition management advice for your site. This is available free of charge for eligible growers through the Tyfu Cymru program, please contact us to arrange a visit to your site. 



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