Effect of Zn and B on the Growth and Nutrient Uptake in Groundnut

Abstract

Aims: To investigate the effect of combination between foliar zinc and boron on groundnut growth, yield, nutrient uptake and its accumulation in pods.
 Study Design: Completely random design (CRD).
 Place and Duration of Study: Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal, India during 2016.
 Methodology: The pot experiment was comprised of three levels of Zn (0, 0.5 and 0.75% Zn), three levels of B (0, 0.3 and 0.45% B) and their combinations. The treatments were replicated thrice. Zn and B were applied through foliar spray twice at vegetative and flower initiation stage. Chlorophyll content, leaf area, root–shoot dry biomass, plant height, nutrient uptake and nutrient concentrations in pods were studied.
 Results: Foliar spray of Zn and B jointly increased the leaf area to the tune of 55% and 29% at flowering and pod formation stages, respectively. Despite sole application of B and Zn increased the leaf chlorophyll content in groundnut; the combined applications were much more prominent. Moreover, lower level of Zn combined with higher level of B significantly (p<0.05) had higher uptake of N (18.8%), P (11.5%) and K (5.9%) over higher level of sole Zn application. The improved biomass accumulation of groundnut amplified the efficient utilization of primary nutrients and resulted in higher nutrient uptake as well as their concentration in pods. Groundnut when sprayed with elevated doses of Zn and B produced the maximum yield (30.8 g/plant).
 Conclusion: Spraying of Zn and B increased plant biomass, leaf area, chlorophyll content noticeably and with the increase in concentration of Zn and B in spray, the increment became quite intense. The combined spray of Zn and B at critical growth stages promoted better growth and productivity of groundnut.

Enhancement of Oilseeds Crop Production through Micronutrient Fertilization: A Review

“…Harikrishna et al [5] concluded that "application of boron @ 1.5% + molybdenum @ 1.5 kg ha -1 significantly increases the dry weight plant -1 (41.66 g), crop growth rate (7.84 g m -2 day -1 ), number of pods plant -1 (21.16), pod yield (3.73 t ha -1 ) and haulm yield (10.73 t ha -1 ) of groundnut over control". Ramprosad et al [6] found that "application of boric acid @ 0.30% prominently increased the pod yield (30.77 g plant -1 ) of groundnut over control (RDF alone)".…”

“…Ramprosad et al [6] found that "application of boric acid @ 0.30% foliar spray gave significantly higher N (37.1 mg g -1 ), P (6.2 mg g -1 ), K (8.0 mg g -1 ) content in groundnut over control. Haneena et al [20] noted that maximum boron content (0.73, 0.65 and 0.59 mg kg -1 at peg penetration, pod development and harvest stages respectively) was recorded in soil application of borax @ 12.5 kg B ha -1 along with RDF as compared to control" [21,22].…”

Effect of Nutrio - Hormonal Consortia on Growth and Yield in Groundnut

“…Salicylic acid and naphthalene acetic acid are plant growth regulators that can influence various aspects of plant development. When applied to plants, they can stimulate cell elongation, leading to increased leaf size and, consequently, an increase in leaf area [6].…”

Response of Peanut to Weed Control Management and Nano-Zinc Foliar Application in Growth, Yield, and Quality Traits

“…Through the cuticle layer, which is partially permeable to water and solutions, the importance and role of the leaves are equal to the roots in terms of the ability to absorb, transport, and distribute nutrients in the crop plants. Nandi's et al (2020) findings revealed that foliar application of zinc on the field peanut plants led to an increase in the leaf area at the flowering and pod formation stages. Zinc alone led to an increase in the chlorophyll content in the leaves, which eventually increased the yield of field peanut plants.…”