"terryc" wrote in message
On Sun, 24 Aug 2008 18:47:34 +0000, len gardener wrote:

and for years now it has always produced well(without the need to hand
pollinate) untill last year,

I think we have a cucurbit pollination problem in total. None seem to
self pollinate.

Then David could very well be right. Perhaps you don't have enough bees.

Were you sure of the sex of the flowers you picked for the pollination?