Sugarcane + wheat intercropping occupies a large area in North-West zone of India during winter season. Sugarcane and wheat are planted simultaneously during last week of October to first week of November in sugarcane+ wheat intercropping system. Major weeds in this system are Phalaris minor and broad leaved weed. Due to development of resistance in P. minor, a lot of new herbicides with different chemistry are available for management of P. minor in the market. Whether new chemicals are safe to sugarcane crop also. Kindly share publication on this aspect.
In a study it was found that application of sulfosulfuron + metsulfuron 30 g/ ha in wheat intercropped in sugarcane gave the highest net returns of 83344/- and a benefit cost ratio was 1.79. The next profitabl alternative was use of sulfosulfuron 25 g/ha which lead to the net returns of 76407/- and a benefit cost ratio of 1.72
www.isws.org.in/IJWSn/File/2017_49_Issue-2_139-146.pdf
Well, there is one caution for Dr MISHRA study.After wheat applied with sulfosulfuron + metsulfuron 30 g/ ha , it will be not advisable to go for millets like bajra/sorghum etc due to persistence and phytotoxicity resulting in poor stsnd of following crops.
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