“…However, several factors, e.g., frequent irrigation, higher application rates of nitrogenous fertilizers, luxuriant growth following heavy pruning or fertilization, delayed harvesting, etc., have been reported to be associated with this malady (Ladanyia 2008;Sharma and Saxena 2004;Singh 1977Singh , 2001. Similarly, some climatic factors, rootstock, fruit size, tree age, etc., are also known to accentuate the problem of granulation (Al-Hosni et al 2011;Sharma and Saxena 2004;Singh 2001). Furthermore, some investigators have also reported the association of enzymes such as peroxidase (Awasthi and Nauriyal 1972a, b) and superoxide dismutase (SOD) with citrus granulation (Chen et al 1994).…”