questions: asking about the control for fruit rot in sponge gourd. 
 answers: suggested to spray bio-rakhwala @15ml or margosom(azadirachtin 300 ppm )@ 50ml/10 lt of water or rich kelwin or rich agrigaurd @20ml/10 lt of water .spray borax @ 2gm/lt of water all over the plant.treat the seed with carbendazim @ 2gm/kg of seed and after 2-3 leaf stage -spray carbendazim @ 2gm/lt of water.