National Academy of Agricultural Sciences (NAAS)
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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 |
An experiment was carried out at Horticultural College and Research Institute Periyakulam to study the impact of water stress on root architecture in Tomato (Solanum lycopersicum Mill). Three popular varieties of south India viz., PKM-1, Arka Vikas and Arka Meghali were taken as study material. The experiment was carried out under controlled irrigation at 50 per cent and 100 per cent field capacity. The data collected at 20th and 40th day after transplanting on root characters such as root weight, root length and root volume revealed that among the three cultivars Arka Vikas and PKM-1 are comparatively tolerant towards water stress at 40 days as compared to Arka Meghali. The variety PKM-1 recorded 2.15 times higher root weight, 1.26 times higher root length, 3.33 times higher root volume at 50% field capacity as compared to 100% field capacity. Similarly Arka Vikas recorded 1.80 times higher root weight, 1.42 times higher root length and 1.66 times higher root volume at 50% field capacity compared to 100% field capacity. The variety PKM-1 which is very popular and commercially grown not only in Tamil Nadu but also in adjoining states has shown higher level of tolerance towards water stress followed by Arka Vikas.
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