Pengaruh Kerapatan Tanaman dan Aplikasi Zat Pengatur Tumbuh terhadap Produksi Umbi Bibit Bawang Merah Asal Biji Kultivar Bima

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dc.contributoren-US
dc.creatorSumarni, Nani
dc.creatorSumiati, Ety
dc.creatorSuwandi, -
dc.date2005-09-09
dc.date.accessioned2018-05-02T06:25:36Z
dc.date.available2018-05-02T06:25:36Z
dc.date.issued2005-09-09
dc.descriptionTujuan penelitian adalah menentukan kerapatan tanaman dan konsentrasi aplikasi ZPT mepiquat klorida 50 AS yang tepat untuk produksi umbi bibit bawang merah asal biji botani (TSS). Rancangan percobaan yang digunakan adalah petak terpisah dengan tiga ulangan. Tiga macam kerapatan tanaman 5 x 5 cm (400 tanaman/m2), 5 x 7,5 cm (266 tanaman/m2), dan 5 x 10 cm (200 tanaman/m2) ditempatkan sebagai petak utama dan empat konsentrasi ZPT mepiquat klorida 50 AS, 0, 2, 4 dan 6 ml/l ditempatkan sebagai anak petak. Hasil penelitian menunjukkan bahwa kerapatan tanaman paling tepat untuk produksi umbi bibit bawang merah asal TSS adalah 400/m2 (5 x 5 cm) dengan jumlah umbi berukuran kecil (2,5-5 g/umbi) paling banyak dan tidak menghasilkan umbi bibit mini (1-2 g/umbi). Kerapatan tanaman 200/m2 lebih cocok digunakan untuk produksi umbi konsumsi asal TSS dengan 50% umbi yang dihasilkan berukuran besar (>7,5 g/umbi). Aplikasi ZPT mepiquat klorida 50 AS tidak meningkatkan pertumbuhan dan hasil umbi bawang merah asal TSS, tetapi pada konsentrasi 6 ml/l dapat meningkatkan persentase jumlah umbi berukuran besar (>7,5 g/umbi). Hasil penelitian diharapkan berguna untuk meningkatkan produksi dan kualitas umbi bibit bawang merah.Effect of plant densities and application of plant growth regulator on seed bulb yield of shallot from true seed of cultivar bima. The objectives were to determine the proper plant density in combination with application of mepiquat chloride 50 AS for production of seed bulb of shallot from true seed. A split plot design with three replications was set up in this experiment. Three levels of plant densities of 5 x 5 cm (400 plants/m2), 5 x 7.5 cm (266 plants/m2), and 5 x 10 cm (200 plants/m2) were assigned to main plots and plant growth regulator mepiquat chloride 50 AS concentrations of 0, 2, 4, and 6 ml/l were assigned to subplots. The results revealed that proper plant density to produce seed bulb from true seed was 400 plants/m2 which produced the highest percentage of small size bulb (2.5-5 g/bulb) and did not produce mini shallot bulb (1-2 g/bulb). Plant density of 200 plants/m2 was proper to produce consumption bulb from true seed, this treatment produced big size bulb (>7.5 g/bulb) more than 50%. Application of PGR mepiquat chloride 50 AS did not increase growth and bulb yield of shallot, however at concentration of mepiquat chloride 50 AS 6 ml/l could increase number of big size bulb (>7.5 g/bulb). This results can improve quality and production of shallot seed.en-US
dc.formatapplication/pdf
dc.identifierhttp://ejurnal.litbang.pertanian.go.id/index.php/jhort/article/view/978
dc.identifier10.21082/jhort.v15n3.2005.p%p
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/932
dc.languageeng
dc.publisherIndonesian Center for Horticulture Research and Developmenten-US
dc.relationhttp://ejurnal.litbang.pertanian.go.id/index.php/jhort/article/view/978/847
dc.rightsCopyright (c) 2013 Indonesian Center for Horticulture Research and Developmenten-US
dc.rightshttp://creativecommons.org/licenses/by-sa/4.0en-US
dc.source2502-5120
dc.source0853-7097
dc.sourceJurnal Hortikultura; Vol 15, No 3 (2005): September 2005en-US
dc.titlePengaruh Kerapatan Tanaman dan Aplikasi Zat Pengatur Tumbuh terhadap Produksi Umbi Bibit Bawang Merah Asal Biji Kultivar Bimaen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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