Interactions of Growth Environmental and Application of GA3 Concentration on Shallot Productivity

Abstract

Abstract The purpose of this study was to evaluate the combination of technology using GA3 and agro-climate-based growing environment to increase shallot production in the lowlands. The study was designed with a nested factorial design, where the replicates were nested in an agro-climatic environment. The growing environment used consists of three conditions, namely open nature (e1), screen house (e2), UV plastic (e3). Meanwhile, the GA3 concentration (g) factor used consists of 4 levels, namely 0 ppm (g0), 100 ppm (g1), 200 ppm (g2) and 300 ppm (g3). This research design will be repeated 3 times for each treatment, so that the total experimental plot is 36 experimental units. The characters observed consisted of six characters, namely the number of leaves, absorption, reflection, tuber fresh weight, tuber diameter and tuber production. The results of this study indicate that GA3 treatment and UV application are very influential in increasing the productivity of shallots. The combination of 200 ppm GA3 concentration with the use of UV is the recommended technology in shallot cultivation. The fresh weight character of the tuber is a recommended secondary character in evaluating the potential of shallot cultivation technology. Hasanuddin University, Jl. Perintis Kemerdekaan No. KM.10, Tamalanrea Indah, Kec. Tamalanrea, Kota Makassar, Sulawesi Selatan 90245.

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