5677 - Delicious 51 Muskmelon (88 days) Some consider Delicious 51 to be the best widely available open-pollinated muskmelon for cold climates. Sweet 3 lb. fruits with medium to sparse netting over distinct ribs turn yellow at maturity, may be soft when ripe. Dark orange interiors with sweet juicy aromatic flesh. Developed by Dr. Henry Munger of Cornell University in 1953. New PMR strain, also tolerant to F.