COST BENEFIT RATIO OF SELECTIVE DIVERSE BROAD SPECTRUM HERBICIDES TO COMBAT WEEDS IN WHEAT CROP
Noor Muhammad, Zia Mehmood, Ijaz Rasool Noorka, Abdul Ghafar, Memoona Shehzadi and Hafiz Muhammad Akram
Broad spectrum herbicides effects were contemplated for weed control and their response on yield and yield components of wheat crop in Pakistan. The diverse treatments of the herbicides were applied along with the control to check the efficacy of herbicides action towards the maximization in grain yield and yield related traits of wheat crop. Different traits relating yield and yield contributing traitswere recorded like plant height, spike length and biological yield. The results showed that application of herbicides in field enhanced significant increase in grain yield by minimizing the weeds density. The herbicides Atlantis, Dhanik, Edit, Sulfon resulted in 93.97 to 96.30 % weed mortality. The data on number of fertile tillers m-2, number of spikelets spike-1, 1000-grain weight, number of grains spike-1 and grain yield also gave significant results. The highest yield of 4970 kg ha-1was achieved by the use of herbicide Atlantis followed by Dhanik(4848 kg ha-1). In economic analysis, the herbicides Atlantis provided the premier net return of Rs.43970 ha-1followed as Dhanik (Rs.40435 ha-1) Edit (Rs.33374ha-1) and Sulfon (Rs.32695 ha-1). Highest cost benefit ratio was also given by the herbicides Atlantis (1.37%), followed by Dhanik (1.34%) and Edit (1.28%) while minimum cost benefit ratio was given by Zenter Super.