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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Aptika Hana Prastiwi Nareswari
Program Studi Agronomi Dan Hortikultura, Sekolah Pascasarjana, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Pertumbuhan dan Hasil Ratun Tiga Ekotipe Padi berdasarkan Tinggi Pemotongan Berbeda Aptika Hana Prastiwi Nareswari; Eko Sulistyono; Edi Santosa
Indonesian Journal of Agronomy Vol. 49 No. 1 (2021): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.3 KB) | DOI: 10.24831/jai.v49i1.33686

Abstract

Rice ratoon is the practice of obtaining a second harvest from the previously harvested main crop’s tillers with a cultivation process that not only efficient in cost and time but also provides extra yield to the main crop. The research aimed to access the growth and yield of three rice ecotypes (lowland, upland and swamps) from different cutting heights. The experiment was carried out at the Babakan Experimental Station, IPB University during September-December 2019 using two factors of RCBD with three replications. The first factor was three ecotypes of rice, namey lowland rice (IPB 3S, Inpari 30), upland rice (Inpago 9, Inpago 10) and swamp rice (Inpara 8, Inpara 9), and the second factor was cutting height to stimulate ratoon growth (10, 20, 30, and 40 cm) from ground level. The results showed that IPB 3S and Inpago 9 with 20 cm height of cutting yielded a higher number of tillers. Productive tillers had a significant correlation with ratoon yield. It was concluded that cutting height on lowland rice (IPB 3S) of 30 cm and swamp rice (Inpara 8) of 20 cm produced the highest rice yield. Path analysis showed that number of grains directly affected ratoon yield. Keywords: cutting height, node bud, path analysis
Co-Authors Edi Santosa Eko Sulistyono