Special Weeds in Cropped Areas – Hariyali (Cynodon ductylon)

Special Weeds in Cropped Areas – Hariyali (Cynodon ductylon)

Hariyali Doom Grass/ Bermuda Grass (Cynodon ductylon):

It is perennial weed produced from root stock stolons and rarely from seeds. Root stock forms dense inside the soil. It is main weed of kharif crops.

Controls:

Shallow summer tillage during April, May and June exposing the root stock to Sun and dessication is effective in dry climate.

Application of Dalapon and Amitrol @ 2 kg/ha. Dalapon is applied twice after each ploughing with mould board and 2nd in beginning of June before Monsoon starts. Crops like Maize, Cotton can be planted 2 weeks after application of Dalapan. Amitrol also can be used to treat weeds in irrigation channels, field boundaries and waste places separately.

Other Herbicides:

Paraquat (highly susceptible 1 kg a.i. / ha two weeds before start of summer tillage.)
Attrazine pre – emergence. Spot treatment with MSMA, DSMA, Amitrol – T and Dalapon is effective in wide spaced crops.