questions: query regarding wilting problem in sponge gourd. 
 answers: first you have to do the ooze test - dip the affected part in a glass of water and keep it for 30 minutes. if ooze comes out and the water become yellowish white, then spray also apply tetracyclin/ streptocyclin (1gram/5 lit of water), near the root zone 3 times at 5 days interval and if ooze don’t show in the water, and the water remains clean then spray and also apply saaf (2 gram/lit of water) near the root zone 3 times at 5 days interval.