questions: asking about pest problem and late blight of potato , cultivation of grasses 
 answers: advise to apply malathion 5% dust for insect and spray indofil m45 @ 2ml/lit and redomil @ 3ml/lit separatey before last week of dec or when climatic conditions are favourable for disease development like light drizzling, heavy fog and temparature belew 20 c . for grasses grow nappier grass or oat