Vol. 10, Issue 11 (2021)

Author(s):
S Tamta, A Kumar, R Kumar, SC Shankhdhar and D Shankhdhar

Abstract:
Micronutrient affect growth, development, flowering and plant yield, as they alter many basic physiological processes, including photosynthesis and respiration. Foliar application is a promising agronomic strategy as it involves direct adsorption and loading of nutrients from leaf surface to phloem in comparatively far less quantity than soil applications. Cu and Zn are essential trace nutrients taking part in redox reactions, structural configuration of several enzymes and nucleic acid metabolism. Present investigation entails the evaluation of most suitable treatment of zinc sulphate and copper sulphate to improve growth and yield of Bacopa. However, the effects of the combinations of these micronutrients were significant and the growth response to these micronutrients was clearly dependent upon their concentrations. It is concluded that all the growth parameters mostly pronounced at T1 (1ppm CuSO₄) and T5 (2.5ppm ZnSO₄) alone and T11 (1ppm CuSO₄+2.5ppm ZnSO₄) in combination when compared to untreated plants during Monsoon and Winter season (2019-2020). These treatments result in maximum number of upright shoots per m², length of upright shoots (cm), number of leaves per m² that leads to improved herbage yield (gm^-2). However, foliar treatments before 30 days of harvesting were found appropriate for rapid proliferation of foliage that give improved herbage yield of Bacopa cultivation.