Question: For controlling both monocot and dicot weeds in mango, application of Atrazine or Diuron is:
Options:
2 kg/ha
1 kg/ha
3 kg/ha
4 kg/ha
Dicot weeds are Bidens pilosa, Tridax procumbens and Phyllanthus maderaspatensis.
• ​Chemical control:
​Herbicides have been used to some extent in mango to control weeds.
Application of Paraquat (3 kg a.i./ha) or Diuron as pre-emergent treatment at 6.67 and 8.9 kg/ha gives good control of weeds in mango.
Or Bromocil and Dalapon were also effective for controlling dicot and monocot weeds respectively.
One spray of Atrazine or Diuron at 2 kg a.i./ha as pre-emergent treatment to soil and one spray of Paraquat as post –emergent spray on weeds at 3 kg a.i./ha found effective for controlling both monocot and dicot weeds in 1 – 5 years old mango orchard.