Application Of Auxin (NAA) And Gibberellin (GA3) On The Growth And Production Of Shallot (Allium ascalonicum L)
Keywords:
Shallots, Auxin, Gibberellin, Plant hormones, Allium ascolanicum LAbstract
Shallots (Allium ascolanicum L) is a vegetable commodity that has quite broad market prospects. Shallot production in East Java in 2022 will reach 473,989 tonnes with a productivity of 9.23 tonnes/ha, this number is down 5.3% compared to shallot production in East Java in 2021 which will reach 500,992 tonnes with a productivity of 9.33 tonnes/ha. Increasing shallot productivity is influenced by several factors such as fertilization, use of superior seeds, control of pests and diseases and the provision of growth regulators. Growth regulators are compounds that play a role in stimulating plant growth. Auxin and gibberellin are growth regulators that play a role in cell elongation and division so they can encourage the growth and production of shallots. The aim of this research was to determine the response of growth and production of shallot plants to the application of auxin and gibeerelin. This research was carried out in the experimental field of the Faculty of Agriculture, University of Muhammadiyah Jember in December 2023 – March 2024. This research used a factorial Randomized Group Design (RAK) with Factor 1, namely the length of soaking of tubers consisting of 4 levels, namely A0 (control), A1 (soaked 15 minutes), A2 (soaked 30 minutes), A3 (soaked 45 minutes). Factor 2 is the gibberellin application time which consists of 4 levels, namely G0 (control), G1 (application at 15 DAP), G2 (application at 25 DAP), G3 (application at 15 and 25 DAP). The results of this research show that soaking shallot bulbs before planting with auxin for 15 minutes and application of gibberellin at 15 and 25 DAP (A1G3) can increase the number of roots, bulb diameter, wet weight of tubers planted and wet weight of tubers per plot
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