questions: asking for plant protection measures against late blight in tomato. 
 answers: mancozeb 75wp @ 2 gram per litre of water has been advised to be used at the following rates with volume sprayer : 1) early stage (1st month)- 600 litres of water per hectare 2) mid stage (2nd month)- 800 litres of water per hectare 3) late stage (3rd month)- 1000 litres of water per hectare.. however, it has also been advised that if the disease is detected initially, then to go for 3 sprayings at an interval of 7 days.