questions: asking about the control measure for red rust in tea. 
 answers: advised to spray contaf(hexaconazole) systemic fungicide @ 2 ml/lit water,3 sprays at 7 days interval or copper oxychloride(bitox 50)@ 2 gram/lit water 3 sprays at 7 days intrerval.for oxygen supply-apply oxypro tabloids @ 35-40 small tabloids after lowering the water level.