questions: query regarding control of leaf blight in coconut 
 answers: biological method: application of 200g pseudomonas fluorescens along with 50 kg of fym+ 5 kg of neemcake/ palm/ year.
chemical method: spray 1.0 per cent bordeaux mixture or 0.25 percent copper oxychloride (2 times at 45 days interval during summer months).root feeding of carbendazim 2 g or hexaconazole/ tridemorph 2 ml + 100 ml water (3 times at 3 months interval).