Chemical Weed Control in Spices and Condiments
1) Coriander and Cumin:
Fluchloralin or Pendamethline @ 1.5 kg a .i /ha pre plant incorporation or pre emergence spray.
2) Chillies:
Fluchloralin @ 1.5 kg a .i /ha as pre plant incorporation or pre –emergence spray.
Or
Alachlor @ 2 kg a. i /ha as pre-emergence spray.
3) Tobacco:
Fluchloralin @ 1.5 kg a .i /ha.
Or
Benthiocarb @ 0.75 kg a .i /ha.
Apply about 8 days before transplanting when sufficient moisture is present in the soil. If it is combined with one or two hoeing then effective for controlling the weeds emerging after about 4 to 5 weeks.
For control of Orobanche spp. in tobacco use glyphosate 0.2 kg and MH 0.7 kg a.i /ha as post emergence directed spray. Two spraying at about 40 and 60 days after transplanting are needed for control of Orobanche.