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 |
A field experiment was conducted on “Response of seed treatment and sprays of thiourea on growth and yield of Niger [Guizotia abyssinica (L.f.) Cass.] at S.G. College of Agriculture and Research Station, Jagdalpur, Bastar, Chhattisgarh during Kharif 2017 in randomized block design with twelve treatments and three replications. The soil of experimental field was sandy loam in texture having low pH, low organic carbon, low nitrogen, medium phosphorus, high potassium and medium in available sulphur. The highest dehydrogenase activity (16.27μg TPF/g soil/ h) at 45 DAS was recorded under seed soaking in 500 ppm thiourea for 8 hours + One spray of 500 ppm thiourea at vegetative stage (T7) followed by Seed soaking in 500 ppm thiourea for 8 hours + One spray of 500 ppm thiourea at vegetative stage (T12) (15.93 μg TPF/g soil/ h) which were significantly higher over control (T1) (8.57 μg TPF/g soil/ h). Thiourea treatments influenced the yield of niger and the highest seed yield (359.57 kg/ha) was recorded in T9 and the highest straw yield (1639.67 kg/ha) was recorded under T8 (Seed soaking in 500 ppm thiourea for 8 hours + One spray of 500 ppm thiourea at flowering stage) and were significantly higher than control. The increment in oil content was 28.4 % and 26.7 %, respectively in T9 and T7 as compared to control.
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