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Ridge gourd [Luffa acutangula (L.) Roxb.], commonly called as angled gourd, angled loofah, or ribbed gourd, belongs to family Cucurbitaceae with a diploid chromosome number of 26. It is cultivated in the tropical and subtropical regions for its tender fruits which are used in curries or as cooked vegetable. Fruit contains moisture (92.5 g), protein (0.5 g), fat (0.5 g), carbohydrate (3.4 g), energy (17 k calories), calcium (18 mg), vitamin C (5 mg), riboflavin (0.01 mg), phosphorous (26 mg), iron (0.5 mg) and carotene (33 µg) per 100 g of edible portion (Sheshadri and Parthasarthy, 1980). Being a low calorie vegetable, it is considered good for diabetic patients (Pullaiah, 2006). In Ayurveda, it is also reported to have many properties like immune system booster, antioxidant, hypoglycemic, diuretic, blood purifier and a remedy in jaundice (Manikandaselvi et

Ridge gourd [Luffa acutangula (L.) Roxb.] is an important cucurbitaceous vegetable crop widely grown in tropical and subtropical parts of the world. Selection based on yield alone is often misleading because it is one of the most complex characters being dependent on its components for its full expression. For rational improvement of yield and its components, association of component characters with yield and among the components themselves should be found out by estimating the correlation co-efficients. Path co-efficient analysis was carried out to know the direct and indirect effect of the traits on plant yield. Hence an investigation was undertaken to study the correlation coefficient and path analysis in ridge gourd for 12 important yield parameters by considering yield/vine as dependent variable on 12 other independent variable.