Abstract
AbstractPulse productivity is very low in some of the sandy soil areas where, soils are having poor water and nutrient holding capacity. To improve the pulse productivity, field experiments were conducted at Agricultural Research Station, Tamil Nadu for two consecutive years to study the effect of phosphorus sources (mono- and diammonium phosphate) with brassinolide and salicylic acid on growth and yield of black gram in sandy loam soils. The experiment was carried out in a randomized block design with three replications during kharif season. The treatments include 100% recommended dose of NPK along with foliar application of monoammonium phosphate (MAP), diammonium phosphate (DAP), brassinolide (0.25 ppm), and salicylic acid (100 ppm) along with the combination of these treatments. TNAU pulse wonder at 5.0 kg ha−1 and TNAU micronutrient mixture (MN) at 5 kg ha−1 were also tried. The results revealed that application of 100% recommended dose of NPK + DAP 2% + TNAU pulse wonder 5.0 kg ha−1 was statisticall...
Highlights
Black gram (Vigna mungo) is a widely grown grain legume and belongs to the family fabaceae and assumes considerable importance from the point of food and nutritional security in the world
Mono- and diammonium phosphate and combination with brassinolide (0.25 ppm), salicylic acid (100 ppm) were sprayed at 30 and 45 days after sowing and TNAU pulse wonder at 5.0 kg ha−1 were sprayed on 45 DAS and enriched TNAU micronutrient mixture at 5 kg ha−1 was applied as basal
Grain and haulm yield (1116 and 3351 kg ha−1, respectively) was recorded higher in application of 100% recommended dose of NPK + diammonium phosphate (DAP) 2% + TNAU pulse wonder 5.0 kg ha−1 (T10) which was on par with 100% recommended dose of NPK + DAP 2% + TNAU MN mixture 5 kg ha−1 (T11)
Summary
Black gram (Vigna mungo) is a widely grown grain legume and belongs to the family fabaceae and assumes considerable importance from the point of food and nutritional security in the world. Growth regulating substances/growth regulators are known to influence a wide array of physiological parameters like alteration of plant architecture, assimilate partitioning, promotion of photosynthesis, uptake of nutrients (mineral ions), enhancing nitrogen metabolism, promotion of flowering, uniform pod formation, increased mobilization of assimilates to defined sinks, improved seed quality, induction of synchrony in flowering, and delayed senescence of leaves (Sharma, Sardana, & Sukhvinder Singh, 2013) These growth regulators, when applied as foliar spray at proper crop growth stage in optimum concentration could play a significant role in increasing crop yield and quality of produce in different field crops (Nagasubramaniam, Pathmanabhan, & Mallika, 2007). The experiments were conducted to develop suitable nutrient management technology involving nitrogen, phosphorus, potassium, and micronutrients besides growth regulators to enhance the productivity of black gram
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