Sugarcane Twenty-fifth to twenty-sixth week practices

• Irrigation should be given in this week.

Red Rot:

Symptoms:

• The first external symptom appears mostly on the third or fourth leaf which withers away at the tips along the margins. The reddening of the internal tissues which are usually elongated at right angles to the long axis of the stalk. The presence of cross-wise white patches are the important diagnostic character of red rot.

Management:

Cultural Control:

Crop rotation for at least three years. Use disease free sets for planting. Grow resistant varieties like CO 6907, CO 7219, CO 8013, CO 8021, CO 7706, CO A 7602, COA 89082, CO A 89085, 87 A 397, CO T 8201, etc. Adopt crop rotation by including rice and green manure crops. Deep tillage to incorporate the left over debris. 

Physical Control:

Hot water treatment of sets at 520C for 30 min. Seed soaking in Carbendazim 50% WP @2g/lit. of water for 1 kg seed . Setts can be treated with aerated steam at 52 0C for 4 to 5 hours. 

Chemical Control:

Sett treatment with Carbendazim 50% WP @ 2.5 g/lit. of water for 30 Minutes. Dip fresh sets.