Prof Patrick Barrie has home advantage as he beats Dave "The Dragon" Lockwood of the US in a pub.
Cambridge University Botanic Garden says not enough heritage apples are available for the event.
The meadow will be a fantastic sources for pollen and nectar, says Cambridge college gardener.
The Cambridge students are back on dry land after raising thousands for the Alzheimer's Society.
The vice-chancellor says the death of former professor Jason Arday "is on many people's minds".
Glyn has been working at the same pub since he was asked to help with a rush of customers in 1976.
Giulio Regeni's tortured body was found days after he went missing on a research trip to Egypt in 2016, while studying at Cambridge University.
The programme to help the Moss carder species will focus on Cornwall, Kent and the North Pennines.
Four St Johns College students are punting from Oxford to Cambridge for the Alzheimer's Society.
