Effect of Sources and Levels of Sulphur on Sesame (Sesamum indicum L.) During Summer in Ukp Command Area
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Date
2018-06
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University of Agricultural Sciences, Dharwad
Abstract
A field experiment to assess the response of sesame to different sources and
levels of sulphur on growth, yield and quality of sesame was carried out during summer
2016 at the Agriculture Research Station, Almel, Sindagi taluk of Vijayapura district with
9 treatments and 3 replications under factorial randomized block design. Main plot
consisting of two sources (sulphur bentonite and gypsum) and sub-plot consisting of 4
levels (10, 15, 20 and 25 kg ha-1).
The results indicated that, application of sulphur at 25 kg ha-1 to the sesame
crop from both the sources (sulphur bentonite and gypsum) increased the seed yield
significantly. Application of sulphur at 25 kg ha-1 resulted in significantly higher plant
hieght at harvest (133.20 cm), number of branches per plant (3.90), dry matter
accumulation (10.90 g ) ,number of capsules per plant (65.60), and seed weight per
plant (6.00 g), seed yield (899 kg ha-1), over other levels of sulphur (10, 15, and 20 kg
ha-1). Application of sulphur at 25 kg ha-1 to the sesame improved the quality
parameters like oil content (48%), oil yield (435 kg ha-1), and seed protein (18%) as
compared to control. Among the levels of sulphur applied, significantly higher net
returns (Rs. 41,002.00 ha-1) and benefit cost ratio (3.0) was recorded with application of
sulphur at 25 kg ha-1 irrespective of sulphur sources as compared to control (Rs.
14,497 ha-1) and (2.0) respectively.
Both the sources of sulphur i.e. sulphur bentonite and gypsum were on par with
respect to seed and oil yield and also increased the net returns and benefit cost ratio.
Significantly higher growth, quality and yield parameters are obtained in the treatment
received sulphur at 25 kg ha-1 with gypsum source.