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description Journal article public Jurnal Budidaya Pertanian

Pengaruh Konsentrasi Ekstrak Tumbuhan Bandotan (Ageratum Conyzoides L.) dan Waktu Pemberian terhadap Pertumbuhan dan Hasil Tanaman Sawi (Brassica Juncea L.)

Avia J. Matatula, Maria S. Batlyel, Abdul K. Kilkoda
Published 2020

Abstract

                    The presence of weeds in crop cultivation has a negative effect on the crop because of their high competitiveness. One of the roles of weeds as allelopathy because weeds release chemical compounds that can inhibit growth and kill plants around them. This study aimed to determine the effect of concentration of ‘bandotan’ plant extracts plants at various application times on the growth and yield of mustard. The research was carried out at the Greenhouse of the Faculty of Agriculture, Pattimura University, from November 2017 to January 2018. This study used an experimental method with a completely randomized design (CRD) involving two factors and with three replications. The first factor was ‘bandotan’ extract with 4 concentration levels: control (no extract), 100 g/L, 200 g/L and 300 g/L. The second factor was application time with three levels: 5 days after planting (DAP), 10 DAP, and 15 DAP. The variables observed included plant height, leaf number, leaf area, fresh crop weight, and crop dry weight. Data analysis of each variable was conducted using the analysis of variance. If there was a significant treatment effect, it proceeded with the Tukey test at the level of α = 0.05. The results showed that the concentration of ‘bandotan’ extract did not significantly affect all observation variables (plant height, leaf number, leaf area, fresh crop weight, and dry weight of mustard). Time of ‘bandotan’ extract application did not significantly affect all observation variables (plant height, leaf number, leaf area, fresh crop weight, and dry weight of mustard). The interaction between ‘bandotan’ extract concentration and application time did not significantly affect all observed variables. Keywords:  application time, ‘bandotan’ extract, green mustard, growth and yield  

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