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Journal : Jurnal Penelitian Tanaman Industri

UJI ADAPTASI VARIETAS DAN GALUR KENAF (Hibiscus cannabinus L.) DI LAHAN PASANG SURUT KALIMANTAN TENGAH KRISMAWATI, AMIK
853-8212
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

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Abstract

ABSTRAKPotensi lahan pasang surut Kalimantan Tengah cukup luas yaitu 5,5juta hektar dimana sebagian dapat dikembangkan dengan tanaman kenaf.Penelitian uji adaptasi varietas dan galur kenaf dilaksanakan di lahanpasang surut desa Samuda, kecamatan Mentaya Hilir Selatan, KabupatenKotawaringin Timur, Kalimantan Tengah. Perlakuan berupa varietas/galurkenaf yang terdiri dari dua varietas (Hc G-4 dan Cuba 108/II) dan empatgalur hasil persilangan (Hc 85.9.75; Hc 85.9.40. 1; Hc 85.9.42; Hc85.9.66.1), yang diatur dalam rancangan acak kelompok dengan tigaulangan. Pengamatan dilakukan terhadap tinggi tanaman dan diameterbatang pada umur 40, 75 dan 105 hari setelah tanam terhadap 10tanaman acak per petak, bobot segar biomasa, bobot serat per petak, danbobot kering akar adventif. Hasil penelitian menunjukkan bahwa dua galurhasil persilangan yaitu Hc 85.9.661 dan Hc 85.9.75 mempunyai adaptasicukup bagus dengan tinggi tanaman akhir masing-masing adalah 265,25cm dan 260, 25 cm serta diameter batang masing-masing adalah 2,17 cmdan 2,10 cm. Hasil serat tertinggi masing-masing sebesar 2,40 dan2,30 ton/ha, sementara varietas Hc G-4 mencapai 2,25 ton/ha.Kata kunci : Kenaf, Hibiscus cannabinus L., varietas, galur, adaptasi,lahan pasang surut, Kalimantan TengahABSTRACTAdaptation test of kenaf (Hibiscus cannabinus L.) varieties and lines attidal swamps land, Central KalimantanThe area of tidal swamps In Central Kalimantan is approximately5.5 million hectare and parts of that area can be developed by kenaf plant.The adaptation test of several kenaf varieties and lines was conducted inSamuda Village, Mentaya Hilir Selatan District, Kotawaringin Timur,Central Kalimantan. The experiment used a randomized block design withthree replications and six treatments consisting of two kenaf varieties (HcG-4 and Cuba 108/II) and four kenaf lines (No 85.9.75; No 85.9.40.1; No85.9.42; No 85.9.66.1). Parameters observed were plant height, stemdiameter at 40, 75 and 105 days after planting, on 10 random plantsperplot, fresh biomass, dried fiber, and dried adventive root weight. Theresults of this experiment showed that two lines, namely Hc 85.9.66.1and Hc 85.9.75 obtained the optimal vegetative growth as their plantheight and stem diameter at harvesting time reached 265.25 cm and260.25 cm, 2.17 cm and 2.10 cm respectively. The fiber yields of the twolines were 2.40 and 2.30 ton/ha respectively, while the control line Hc G-4was only 2.25 ton/ha.Key words : Kenaf, Hibiscus cannabinus L., variety, line, adaptation,tidal swamps land, Central Kalimantan
RESPON VARIETAS WIJEN (Sesamum indicum L.) SECARA TUMPANGSARI DENGAN JARAK KEPYAR (Ricinus communis L.) TERHADAP PERTUMBUHAN DAN HASIL KRISMAWATI, AMIK
853-8212
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

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Abstract

ABSTRAKPenelitian ini dilaksanakan di Kebun Percobaan Balai PenelitianTanaman Tembakau dan Serat, Karangploso, Malang, mulai bulan Meisampai dengan Oktober 2001. Penelitian bertujuan untuk memperolehvarietas wijen yang sesuai pada sistem tumpangsari dengan tanaman jarakkepyar. Rancangan percobaan yang digunakan adalah rancangan petakberlajur dengan tiga ulangan. Perlakuan tumpangsari terdiri dari duafaktor. Faktor pertama yaitu varietas tanaman jarak kepyar Asembagus81 (Asb 81) dan Asembagus 104 (Asb 104). Faktor kedua yaituvarietas wijen Sumberrejo 1 (Sbr 1) dan Sumberrejo 2 (Sbr 2). Padasetiap ulangan juga ditanam varietas monokulturnya. Ukuran petak 6 mx 6 m, jarak tanam untuk tanaman jarak kepyar 2 m x 2 m (satutanaman per lubang) dan varietas wijen 0,5 m x 0,25 m (satu tanamanper lubang). Hasil penelitian menunjukkan bahwa tanaman wijen varietasSumberrejo 1 dengan tanaman jarak kepyar varietas Asembagus 104memberikan hasil 632,55 gram biji wijen per petak dan 637,63 biji jarakper petak. Parameter total hasil relatif (RYT) sistem tumpangsari wijendengan tanaman jarak kepyar lebih besar dari satu ( > 1) yaitu antara 1,687sampai dengan 1,787, sehingga sistem tumpangsari tersebut efisien dalammemanfaatkan lahan.Kata kunci : Wijen, Sesamum indicum L., jarak kepyar, Ricinus communisL., tumpangsari, pertumbuhan, hasil, Jawa TimurABSTRACTResponse of sesamum variety as intercrops with castor ontheir growth and yieldThe experiment was conducted in the Experimental Garden of theIndonesian Tobacco and Fibre Crops Research Institute in Malang, fromMay to October 2001. The objective of the study was to find out thevariety of sesame which is suitable for intercropping with castor. A stripplot design was used with three replications. The factorial treatmentconsisted of two factors. The first factor was castor varieties (Asembagus81 and Asembagus 104). The second factor was sesame varieties(Sumberrejo 1 and Sumberrejo 2). In each replication, castor and sesamevarieties were planted as monocultures. The plot size was 6 m x 6 m,castor and sesame plant spacing were 2 m x 2 m and 0,50 m x 0,25 mrespectively. The results showed that the intercropping of sesameSumbererjo 1 variety and castor Asembagus 104 variety produced 632,55gram sesame seed per plot and 637,63 gram seed castor per plot. Thehighest relative total yield on intercropping castor and sesame wasobtained by Asembagus 104 and Sumberrejo 1 at 1,787 and the lowestrelative total yield was obtained by Asembagus 104 and Sumberrejo 2 at1,687. RYT value of the intercropping system was more than one which isconsidered as efficient in land use.Key words: Sesame, Sesamum indicum L., castor, Ricinus communis L.,intercropping, growth, yield, East Java.