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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(9): 748-755
DOI: https://doi.org/10.20546/ijcmas.2020.909.094


Response of Clusterbean (Cyamopsis tetragonoloba L.) to Weed Management Practices and Phosphorus Levels under Sub-tropical Climatic Conditions of Rajasthan
Surendra Kumar Meena1, S. L. Mundra1, Raghuvir Singh Meena1, H. K. Sumariya1, Piyush Chaudhary1, Tikendra Kumar Yadav2 and Narendra Kumawat3*
1Department of Agronomy, Rajasthan College of Agriculture, MPUAT, Udaipur -313 004, Rajasthan, India
2Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi - 221 005 (U.P.) – India
3AICRP for Dryland Agriculture, College of Agriculture (RVSKVV, Gwalior), Indore - 452 001, Madhya Pradesh, India
*Corresponding author
Abstract:

Two field experiments were conducted to evaluate the effect of weed management practices and phosphorus level on growth, yield and economics of cluster bean in consecutive kharif season of 2015 and 2016 at Instructional Farm (Agronomy), Rajasthan College of Agriculture, Udaipur. Field trial was conducted at same site during both the years in split plot design and replicated thrice with eight weed management practice viz. Pendimethalin 1.0 kg ha-1 as pre-emergence (PE), Pendimethalin 1.0 kg ha-1 as PE + hand weeding (HW) 30 DAS, Pendimethalin + Imazethapyr  0.8 kg ha-1 PE, Pendimethalin + Imazethapyr 0.8 kg ha-1 PE + HW 30 DAS, Imazethapyr + Imazamox  0.05 kg ha-1 at 15 DAS, Imazethapyr + Imazamox 0.05 kg ha-1 at 15 DAS + HW 30 DAS, two HW at 15 and 30 DAS and weedy check in main-plot and four levels of phosphorus i.e. 0, 20, 40 and 60 kg ha-1 in sub plots. The allocation of treatments among replications, sub blocks and ultimate plots was carried out purely by following the principles of randomization. Results showed that among the various weed control treatments, two hand weedings (HW) at 15 and 30 DAS gave significantly higher growth parameters viz., plant height (58.68 & 58.78 cm at 50 DAS and 89.48 & 90.38 cm) and dry matter accumulation plant-1 (10.54 & 10.61 g plant-1 at 50 DAS and 15.02 and 15.23 g plant-1 at 75 DAS) which was significantly superior to rest of the treatments, respectively. Similarly, the highest seed yield (1119 and 1134 kg ha-1), haulm yield (2401 and 2399 kg ha-1) and biological yield (3520 and 3533 kg ha-1) were also recorded with tow HW which was closely followed by Pendimethalin 1.0 kg + Imazethapyr @ 0.8 kg ha-1 PE + HW 30 DAS and Imazethapyr + Imazethapyr 0.05 kg ha-1 + HW 30 DAS. However, the maximum net return ( 43228 and 5153 ha-1) and B:C ratio (2.25 and 2.57) was found in Pendimethalin 1.0 kg + Imazethapyr @ 0.8 kg ha-1 PE + HW 30 DAS which was closely followed by Imazethapyr + Imazethapyr 0.05 kg ha-1 + HW 30 DAS during both the respective years. Application of 60 kg P2O5 ha-1 recorded significantly higher growth parameters, yields and net returns, however, the maximum B: C ratio was noted in 40 kg P2O5 ha-1 over rest of the treatments during both years.


Keywords: Weed management, Phosphorus levels, Growth parameters, yield, Economics
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How to cite this article:

Surendra Kumar Meena, S. L. Mundra, Raghuvir Singh Meena, H. K. Sumariya, Piyush Chaudhary, Tikendra Kumar Yadav and Narendra Kumawat. 2020. Response of Clusterbean (Cyamopsis tetragonoloba L.) to Weed Management Practices and Phosphorus Levels under Sub-tropical Climatic Conditions of Rajasthan.Int.J.Curr.Microbiol.App.Sci. 9(9): 748-755. doi: https://doi.org/10.20546/ijcmas.2020.909.094