Effect of sulphur on growth, yield and economics of sesame (Sesamum indicum)

Abstract

The productivity of sesame is mainly dependant on proper agronomic management practices including nutrient management. In oilseeds, sulphur plays a prominent role in the synthesis of essential oils, chlorophyll formation and gives pungency in oil. It is also increasing drought and cold resistance of oilseed crops. Hence, field studies were conducted for two consecutive years to study the effect of various sources of sulphur (Gypsum and Sulphur Bentonite) and their different levels (15, 30 and 45 kg S ha-1) on growth, yield and economics of sesame. Studies revealed that, irrespective of sources of sulphur seed yield increased progressively with increase in sulphur dose from 15 to 45 kg ha-1 and the increase was significant at 45 kg ha-1 over 15 kg ha-1and control. Application of sulphur at 45 kg/ha through gypsum produced significantly higher plant height (97.1 cm), branches/plant (4.98), capsules/ plant (95.9) and seed yield (586.5 kg/ha) than at 15 kg S/ha through gypsum, Sulphur bentonite and recommended NPK and remaining at par with application of Sulphur at 30 kg/ha. Sulphur application at 45 and 30 kg ha-1 through gypsum recorded significantly higher net returns (Rs. 33365 and 31963 ha-1 respectively) and B: C ratio (2.47 and 2.38 respectively) than Sulphur Bentonite and recommended NPK during both the years.

Enhancing Rainfed Castor Growth, Seed, and Oil Yield Via Nano Urea Application

“…The experimental data showed that applying 100% of the prescribed basal nitrogen, along with a foliar spray of 2 ml/l nano urea at 30 and 60 days after sowing (DAS), resulted in a significant improvement in growth and yield parameters. Specifically, there was a significant augmentation in the number of effective branches (11.2), the length of the primary spike (68.6 cm), and the number of capsules on the primary spike (84.1) in the hybrid castor compared to other treatment combinations [7].…”

A review on role of sulphur nutrition in oilseed crops

“…of seeds per plants (15.2), 1000 seed weight (5.25g). Sarkar and Banik (2002) [22] , revealed that application of sulphur in Sesame at the rate of 50 kg/ha resulted in increased leaf area index (0.218), crop growth rate (1.013 g/plant/day), relative growth rate (0.039 g/g/day) and net assimilation rate (0.012 g/sq.cm/day) at 70-95 DAS over sulphur @ 0 kg/ha (0.173, 1.358 g/plant/day, 0.011 g/g/day,0.015 g/sq.cm/day). Kapila and Yashbir (2009) [9] , concluded that application of sulphur in sunflower at the rate of 50 kg/ha increased total dry matter production (113.63, 112.75 g/plant) at harvest over control (104.25, 96.01 g/plant) in both the years.…”

“…Seed yield (2.17, 2.26 t/ha) and stover yield (6.57, 6.77 t/ha) of mustard were significantly affected with the use of sulphur @ 90 kg/ha during two subsequent years (Pachauri and Trivedi, 2012) [17] . Sarkar and Banik (2002) [22] , stated that capsules per plant (45.88), capsule length (2.26cm), seeds per capsule (45.55), 1000-seed weight (3.50g) and seed yield (801 kg/ha) of sesame were increased by the application of sulphur at 50 kg/ha over control ( 44.83, 2.08cm, 44.89, 3.45g & 752 kg/ha). Application of sulphur at 60 kg/ha in mustard maximized seed yield (1.809 tonnes/ha), siliquae per plant (475.85), siliquae length (6.17 cm), Seeds per siliquae (13.42) and 1000 seed weight (4.43 g) over control (1.378 tonnes/ha, 411.75, 5.55 cm, 10.83, 3.62 g) [29] .…”

Effect of nitrogen and sulphur on yield, quality and economics of groundnut (Arachis hypogaea L.)

“…Sulphur is the fourth most important plant nutrient, after nitrogen, phosphorus, and potassium. Sulphur is an important constituent of three amino acids that are essential components of proteins: cystine, cysteine, and methionine (Sujatha et al 2021) [12] . It is an important prerequisite for improving groundnut productivity and quality.…”