03 Nov Sap injury in Mango and its management.
आम की फसल में आम पीप या सैप से नुकसान और उनका प्रबंधन Sap-injury in Mango (Mangifera indica L.) Sap-injury is an important post-harvest problem in mango . The mango fruit has a network of branching fruit ducts, which are present in both fruit and stalk and penetrate the transition zone between the fruit and its stalk. Several large fruit ducts continue into the stalk but end a short distance beneath the abscission zone. These fruit ducts contain a viscous, caustic liquid referred to as mango sap. Flow of sap between fruit and stalk is a part of the growth process. The amount of sap exuded varies with cultivar, maturity and production area. As the fruit matures and ripens, sap flow decreases and eventually stops. Formation of an abscission layer blocks further sap flow and the fruit falls from the tree. If this sap comes in contact with the peel of the fruit, it causes a darkening or browning of the peel in the region of contact. This discolouration of the peel is referred to as sap-injury or sap burn-injury. Sap-injury in mango fruit is a major industry concern, as it results in poor fruit quality and lower prices, especially in the export markets. Different experiments have been conducted to devise strategy for sap-injury management in commercial mango...