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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(12): 797-803
DOI: https://doi.org/10.20546/ijcmas.2020.912.095


Physiological Investigations on Response of Post Emergence Application of Weedicides in Maize [Zea mays (L.)]
Satyendra Thakur*, A. S. Gontia and Rohit Kumar Kumawat
Department of Plant Physiology, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, (Madhya Pradesh) India
*Corresponding author
Abstract:

A field experiment entitled “Physiological investigations on response of post emergence application of weedicides in maize [Zea mays (L.)]” was conducted at Research Farm, AICRP on Forage Crops, Department of Agronomy, JNKVV, Jabalpur (Madhya Pradesh) during Kharif season of the year 2018-19. The treatments comprised of 7 weeds control methods viz. application of mesotrione 40%SC@250mlha-1, mesotrione 40%SC @ 300mlha-1, mesotrione 40% SC @ 350mlha-1, paraquat dichloride 24% SL @ 2000ml ha-1, tembotrione 34.3% SC @ 286ml ha-1, one plot was kept weeds free and another kept untreated in each replication. The research experiment was laid out in a randomized block design replicated thrice. Treatment T6 (Hand weeding) possessed an average higher value for dry matter production at initial (1.861g) and at maturity (347.16g), an average higher LAI (3.25), LAD (66292.62 cm2.days) and CGR (0.008879gcm-2day-1). Higher magnitudes of physiological traits in T6 (Hand weeding) had reflected to its highest grain yield (2812.423kgha-1). Treatment T5 (tembotrione 34.3% SC @ 286mlha-1) was adjudged second in yield performance (2623.45kgha-1). The treatment T7 (control) recorded the minimum seed yield (1036.53 kgha-1). In proximate analysis treatment T6 (Hand weeding) registered maximum protein (9.87%) and fat (4.00%) contents. T3 (Mesotrione 40%SC@350mlha-1) noted maximum amount of carbohydrate (70.46%) and fiber (2.73%), whereas T6 (Hand weeding) had highest value of ash content (2.67%).


Keywords: Maize, Post emergence weedicides, Mesotrione, Paraquat dichloride, Tembotrione, Physiological traits, Yield performance, Proximate analysis
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How to cite this article:

Satyendra Thakur, A. S. Gontia and Rohit Kumar Kumawat. 2020. Physiological Investigations on Response of Post Emergence Application of Weedicides in Maize [Zea mays (L.)].Int.J.Curr.Microbiol.App.Sci. 9(12): 797-803. doi: https://doi.org/10.20546/ijcmas.2020.912.095