Analysis of CESP for the expression of CESP during coconut maturation and varietal distribution using anti-CESP2. (A) Endosperm crude extracts from the coconuts of different stages of development were subjected to western blot analysis. Lanes: 1, (6–7) months old coconut; 2, (8–9) months old; 3, (10–11) months old; 4, fully matured coconut or 12 months old coconut. 3 μg of protein loaded in each well. (B) Crude protein extracted from different coconut varieties were subjected to western blot analysis. Coconut varieties used are: Lanes 1, Hybrid-TXD; 2, Hybrid DXT; 3, Spikata; 4, Laccadive micro; 5, Chowghat dwarf orange (CDO); 6, Chowghat dwarf green (CDG); 7, West coast tall (WCT).