'Nongfu 803'luffa is a novel hybrid variety,derived from the high-generation inbred line S15 as the maternal parent and the high-generation inbred line S5 as the paternal parent.'Nongfu 803'luffa plant exhibits robust growth potential,an early maturation stage,and a robust capacity for continuous fruiting.The average longitudinal diameter of commercial fruit is 22 cm,the average transverse diameter is 6 cm,the average weight of a single fruit is 500 g,the skin is emerald green,the flesh is dense,tender and refreshing,with no browning after cooking,the taste is sweet and the quality is good,and the yield is 4 700 kg per 667 m2.A survey of the main diseases affecting'Nongfu 803'luffa revealed that it is resistant to mildew,powdery mildew and virus diseases.Additionally,it demonstrated heat and moisture tolerance,making it suitable for cultivation in open fields during the spring,summer and autumn seasons,as well as for facility cultivation in Fujian Province in winter.