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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
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.2018.7(9): 487-493
DOI: https://doi.org/10.20546/ijcmas.2018.709.058


Influence of Various Protected Structures on Physiological Response of Tomato Cultivars (Solanum lycopersicum L.)
M. Sasirekha, B.B. Channappagoudar, S.M. Mantur and S.K. Gali
Department of Crop Physiology, College of Agriculture, University of Agricultural Sciences, Dharwad-580 005, Karnataka, India
*Corresponding author
Abstract:

A field experiment was conducted at Hi-Tech Horticultural Unit, Main Agricultural Research Station, University of Agricultural Sciences, Dharwad during rabi, 2015-16 to study physiological responses of tomato cultivars viz., STH-801, STH-510 and STH-39to three different protected conditions viz., polyhouse, shade house with 35 and 50 per cent shade net. Among the different growing conditions, polyhouse recorded significantly lowest plant height (80.00, 114.27 and 172.27 cm at 45 and 75 DAT and harvest, respectively), higher light transmission ratio (36.54, 22.92 and 19.17 % 45 and 75 DAT and harvest, respectively), canopy temperature (27.85, 35.16 and 37.85 °Cat 45 and 75 DAT and harvest, respectively), specific leaf weight, photosynthetic rate (20.59, 17.48 and 15.67µmol CO2 m-2 s-1 at 45 and 75 DAT and harvest, respectively) which resulted in higher yield (2.87 kg plant-1 and 97.02 t ha-1) as compared to shade house with 35 and 50 per cent shade net. The tomato hybrid, STH-801 was found to have significantly highest canopy temperature, specific leaf weight (7.97, 9.22 and 9.29 mg cm-2 at 45 and 75 DAT and harvest, respectively), photosynthetic rate, yield (2.43 kg p-1 and 82.17 t ha-1) as compared to STH-510 and STH-39. The tomato hybrid, STH-801 showed optimum height, higher light transmission ratio, canopy temperature, specific leaf weight, photosynthetic rate and yield under polyhouse condition.


Keywords: Light transmission ratio, Photosynthetic rate, Polyhouse, Shade house, Tomato
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How to cite this article:

Sasirekha, M., B.B. Channappagoudar, S.M. Mantur and Gali, S.K. 2018. Influence of Various Protected Structures on Physiological Response of Tomato Cultivars (Solanum lycopersicum L.).Int.J.Curr.Microbiol.App.Sci. 7(9): 487-493. doi: https://doi.org/10.20546/ijcmas.2018.709.058