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All Journal JEJAK UNEJ e-Proceeding Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) GEOGRAPHY : Jurnal Kajian, Penelitian dan Pengembangan Pendidikan JURNAL GEOGRAFI Geografi dan Pengajarannya Jurnal Bioindustri Jurnal Tanah dan Iklim Journal of Management and Business Environment (JMBE) Agrokompleks Journal of Bioindustry
Josi Ali Arifandi
Program Studi Agroteknologi, Fakultas Pertanian, Universitas Jember
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Physics Social Sciences Other

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Journal : Journal of Bioindustry

 1 
PENGARUH ANTHESIS JANTAN DAN WAKTU POLINASI TERHADAP TINGKAT KEBERHASILAN PEMBENTUKAN BENIH SEMANGKA TANPA BIJI (Citrullus Lanatus Thunberg.) Ahmad Ihwanudin; Sri Hartatik; Kacung Hariyono; Josi Ali Arifandi
JURNAL BIOINDUSTRI (JOURNAL OF BIOINDUSTRY) Jurnal Bioindustri: VOL. 2 NO. 1 (2019)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jbio.v2i1.484

Abstract

Triploid watermelon seeds are produced from the crossing between watermelon diploid as males and tetraploid watermelons as females. The success of triploid seed formation is influenced by the success of pollination determined by pollen viability which is characterized by the period of anthesis and peptic receptivity by the time of pollination. This experiment was conducted in Jember  on 2018. The Factorial Randomized Block Design, 3x3  with three replications, was concucted to determine the effect of male anthesis period and pollination time on the success rate of seedless watermelon seed formation. The results showed that no significant interaction of the male anthesis period and the time of pollination effect. Pollens harvested during pre anthesis give the best pollination results. On the other hand, the best pollination can be done at 07.30 – 08.30 am  Keywords: anthesis, pollination, seeds, seedless watermelon.
PENGARUH SENYAWA HUMAT DAN PUPUK KANDANG AYAM TERHADAP SERAPAN HARA NITROGEN DAN KUALITAS BIBIT STEK UBIJALAR (Ipomoea batatas L.) Putri Tunjung Sari; Josi Ali Arifandi
JURNAL BIOINDUSTRI (JOURNAL OF BIOINDUSTRY) Jurnal Bioindustri: VOL. 1 NO. 2 (2019)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jbio.v1i2.176

Abstract

Seed cutting of sweet potato influenced by nutrient availability, especially nitrogen. Humic straw substances and cattle chicken manure fertilizer can increase the amount of nitrogen in the soil and also can improve the physical nature of soil. This study aimed to find out the influence of humic straw substances and cattle chicken manure fertilizer application toward the uptake of nitrogen nutrients for the seeds cutting quality of sweet potatoes. This research was conducted using factorial Randomized Block Design (RBD) with two factors, trere are humic straw subtances and cattle chiken manure. The variable observed was pH, C-Organic, N-Total of soil total length of plants, wet weight, dry weight, content of N-tissue, and N absorption. The result showed that a combination of humic straw substances and cattle chicken manure fertilizer influence to the increase of N-Total of soil, N-tissue, the uptake of N, the total length of plant, wet weight, and dry weight of the upper plants. The addition of a single factor of chicken manure fertilizer affects to the increase of pH and C-Organic of soil. Moreover, the best treatment combination in increasing the nitrogen uptake were A2P3 treatment (with 0.2% humic acid and 0.92 gram N of manure fertilizer). Furthermore, the best treatment combination in improving the number of seedlings cutting of sweet potatoes was A0P1 treatment (without humic acid and adding 0.46 gram N of  manure fertilizer).  Keywords:  seed cutting of sweet potatoes, nitrogen, chiken cattle manure and humic subtances.
PENGARUH LIMBAH BIOGAS DAN ARANG SEKAM TERHADAP KETERSEDIAAN DAN SERAPAN HARA NITROGEN SERTA KUALITAS BIBIT STEK UBI JALAR (Ipomoea batatas. L) Mohammad Kamil; Josi Ali Arifandi
JURNAL BIOINDUSTRI (JOURNAL OF BIOINDUSTRY) Jurnal Bioindustri: VOL. 1 NO. 2 (2019)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jbio.v1i2.105

Abstract

Ubi jalar adalah tanaman yang diperbanyak salah satunya dalam bentuk stek sebagai bahan tanam. Media tanam merupakan salah satu faktor dalam keberhasilan pembibitan ubi jalar. Kualitas media dapat dilihat dari seberapa baik media menyediakan kebutuhan pertumbuhan terutama salah satu unsur hara makro yaitu Nitrogen. Slury dan arang sekam merupakan solusi dalam meningkatkan dan menyediakan Nitrogen. Penelitian ini bertujuan untuk mengetahui aplikasi pupuk slurry dan arang sekam dalam  perbaikan media pembibitan dalam meningkatakn dan menyediakan unsur Nitrogen untuk meningkatkan kualitas bibit dalam menghasilkan stek ubi jalar. Pelaksanaan bertempat di Laboratorium Kesuburan Tanah dan green house berlokasi di Sukerejo dengan Rancangan Acak Kelompok (RAK) faktorial dengan 2 faktor yaitu slurry dan arang sekam dan diulang sebanyak tiga kali. Hasil penelitian menunjukkan bahwa interaksi antara arang sekam dan slurry berbeda nyata pada variabel pH dan N-jaringan tanaman. Faktor tunggal arang sekam memberikan pengaruh berbeda nyata terhadap variabel C-organik, Serapan N, dan panjang tanamanan. Sedangkan perlakuan slurry tidak memberikan pengaruh nyata terhadap semua variabel. Perlakuan A1 (2,5 kg arang sekam dan 2,5 kg tanah), A2 (3,3 kg arang sekam dan 1,7 kg tanah) dan A3 (1,7 kg arang sekam dan 3,3 kg tanah) memberikan hasil indeks kualitas bibit yang sangat baik. Kata kunci: Media Pembibitan, Ubi Jalar, Slurry dan Arang Sekam
Co-Authors Ach. Fauzan Mas'udi Adhitya Wardhono Ahmad Ihwanudin Ciplis Gema Qori'ah Irvan Andriko Sinaga Kacung Hariyono M Abd. Nasir Mandala, Marga Mohammad Kamil Putri Tunjung Sari Putri Tunjung Sari Sinaga, Irvan Andriko Sri Hartatik Sukron Romadhona Yulia Indrawati Yulia Indrawati