Enhancing Productivity and Quality of Parsley (Petroselinum crispum (Mill.) Nyman ex A. W. Hill) by Plant Growth Regulator Application

Year 2021, Volume: 5 Issue: 2, 110 - 120, 22.12.2021

Leif Marvin Gonzales

Abstract

Plant growth regulators enhanced the growth and yield parameter of the most herbaceous plant. It was unknown how different plant growth regulators affected parsley growth, yield, and quality. As a result, a study was carried out to assess the effects of several plant growth regulators and identify which treatment had the best influence on parley growth, yield, and quality. The treatment includes the following plant growth regulator (100 ppm Ethrel, 100 ppm GA3, 100 ppm PBZ and 100 ppm GA3 + 100 ppm PBZ) and a control treatment without plant growth regulator. A Completely Randomized Design (CRD) comprising five treatments with three replicates was used to collect growth, yield, and quality data. The plant growth regulator greatly influenced the growth parameter of the parsley plant. It also influenced all yield parameters as well as the quality but except for pH. Thus, the application of GA3 best enhances the maximum plant height, whereas PBZ application best in increasing the maximum number of leaves and stem diameter. In terms of yield and yield components, PBZ revealed best in increasing the maximum yield in terms of root length, root fresh weight, and fresh weight of the plant. Furthermore, a combination of PBZ and GA3 best enhances the total soluble solid but not in pH of the parsley plant.

Keywords

Ethrel, gibberellic acid, paclobutrazol, parsley, plant growth regulator

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