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Haris Setyaningrum
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INDONESIA
Gontor AGROTECH Science Journal
Published by Universitas Darussalam Gontor
ISSN : 2460495X     EISSN : 24775800     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Gontor AGROTECH Science Journal (GASJ) is a sciencetific journal published biannual (june and december), covered but not limited issues in agronomy, integrated farming, sutainable agriculture, plant cultivation, soil science, plant protection, pest and diseases. GASJ published research article, short notes, review papers or review concept in above mentioned subjects
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 2, No 1 (2015): December 2015" : 6 Documents clear
PENGARUH DOSIS P DALAM FOSFAT ALAM PADA PENINGKATAN BIOMASA Azolla microphylla Kaulfuss Mahmudah Hamawi
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.296

Abstract

Azolla microphylla is one of the green resources fertilizer, adding natural P respectively will increase the biomass including. The on time embedding of azolla are able to provide nutrition to the plants such as rice especially N. The experiment was conducted in Desember 2nd , 2006 - April 5th , 2007 in Tegalgondo, Karangploso, Malang, East Java ( 550 m up sea level). The experiment applied Randomized Block Design (RBD) under two factors, dose and embedding time with three replications. The doses were applied are P0 = 0 kg ha-1; P1 = 25 kg P ha-1; P2 = 50 kg P ha-1; and P3 = 75 kg P ha-1 . The embedding times were a day before planting, 50 % azolla in 14, 28 and 24 days after planting, 50 % azolla in 21 and 49 days after planting, and 50 % azolla in 35 day after planting. The parameters of observation were wet weigh of azolla; N, P , K contents before and after treatments and azolla decompositions. The result showed 75 kg P ha-1 with interaction of azolla embedding, was the most effective dose to increased azolla biomass.
EFFECT OF STARVATION AND INFESTATION BEHAVIOR OF LARVAE KHAPRA BEETLE, Trogoderma granarium Everts (COLEOPTERA : DERMESTIDAE) Haris Setyaningrum
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.297

Abstract

The Khapra beetle Trogoderma granarium Everts is very destructive pest in various stored product and nominated as one of the hundred worst invasive species in the world. The study of starvation and infestation behaviors are important for improvement of insect control method. This study represent the number of molting as fact of regressive molting in starved condition, the larva of T. granarium within 68 days periods can be molted 1-3 times. The infestation behavior on three diets treatment presented. In grain wheat their larva are laid off the casting skin over the surface of product and distributed randomly in whole part of stored product. Respectively in flour casting skin are laid down in bottom of the container as effect of feeding. In flour the casting skin are laid on mostly over surface of the flour mixed with frass. In toilet tissue the infestation is present in hole over the surface and randomly position of casting skin.
PEMANFAATAN SERESAH DAUN BAMBU (Dendrocalamus asper) SEBAGAI BIOHERBISIDA PENGENDALI GULMA YANG RAMAH LINGKUNGAN Lutfy Ditya Cahyanti
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.293

Abstract

Uncontrolled weed growth in the early stages of crop establishment, can decrease final crop yield. Phytochemical compounds from bamboo’s (Dendrocalamus sasper) leaves known as flavonoids, phenolic and coumarin that inhibit the growth and development of weeds. The objective of this study was to utilizing bamboo’s leaves litter as bioherbicide for sustainable agricultural system. Weedy area used for observation of the effectiveness solution of bamboo’s leaves litter as bioherbicide is 1 m², first area for solution of bamboo’s leaves litter 10%, the second area for solution of bamboo’s leaves litter 5% and third plot only distilled water as a control treatment. Weeds SDR observations was done before spraying and 7 days after spraying bamboo’s leaves litter. The selected plot is a plot with diverse species of weeds. Observations SDR weeds to determine the level of effectiveness of a solution of bamboo’s leaf litter, was conducted used quadrant plots Weed species that dominated on our plot are Mikania micrantha, Eleusine indica, Cyperus rotundus, Cynodon stolon, Cynodon dactylon, Axonopus compressus dan Sanchus arvensis. Solution of bamboo’s leaves litter as bioherbicide are only capable controlled bermuda grass (Cynodon dactylon), both at a dose of 5 % and 10 %. For other species, solution of bamboo’s leaves litter did not work at
UJI METABOLIT SEKUNDER Trichoderma sp. SEBAGAI ANTIMIKROBIA PATOGEN TANAMAN Pseudomonas solanacearum SECARA In Vitro Mahmudah Hamawi
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.294

Abstract

Trichoderma sp. are highly potential for secondary metabolite production, which have antibiotic effect such as viridin and trikomidin. Viridin and trikomidin has ability to inhibit the growth of the fungus. The secondary metabolite of Trichoderma sp. are essential for developing sustainable agriculture. Aim of this study is to knowing the ability of Trichoderma sp. secondary metabolite to inhibit the growth of bacteria, Pseudomonas solanacearum under in vitro condition. The results showing that: 1) Trichoderma sp. secondary metabolite has ability as growth inhibitor of P. Solanacearum, 2) There were differences effect between inducted and uninducted treatments, 3) the detain effect of inducted was 13, 45 % and un inducted treatment was higher, as 35,98 %.
PENGARUH KONSENTRASI NAA DAN BAP TERHADAP PERTUMBUHAN TUNAS EKSPLAN TANAMAN PISANG CAVENDISH (Musa paradisiaca L.) MELALUI KULTUR IN VITRO Saktiyono Sigit Tri Pamungkas
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.295

Abstract

The objectives of this research were to find the optimized combination micropropagation technique of Pisang “Cavendish” using Napthaleneacetic acid (NAA) and Benzylaminopurin (BAP) on culture in vitro. The research was conducted in Balai Benih Induk Hortikultura laboratorium (270 m upper sea level) Salaman, Magelang, Central Java from November 2008 - Januari 2009. Design used was Complete Randomized Design. Experimental factor were concentration of NAA and BAP. NAA concentration comparised four levels (0, 1, 2, and 3 ppm). BAP concentration comparised four levels (0, 3, 6, and 9 ppm). Obtained data was analyzed by F test, when significantly different then followed by LSD test with 5% level. Observed variables is longest roots, total of buds, and total of roots. Statistic analysis result showed that concentration of BAP have significant effect on longest roots. Concentration 0 ppm of BAP (B0) yielding optimalized on longest root ( 8,3 cm). Concentration of NAA have significant effect on longest roots. Concentration 2 ppm of NAA (N2) yielding optimalized on longest root (6,0 cm). Concentration of BAP have significant effect on total buds. Concentration 9 ppm of BAP (B3) yielding optimalized on total of buds (2,5).
Industri Pertanian Organik Yudi Anto
Gontor AGROTECH Science Journal Vol 2, No 1 (2015): December 2015
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v2i1.7201

Abstract

Untuk mulai mengklasifikasikan pertanian modern, perlu untuk menganalisis dua kategori utama sistem pertanian yang telah berkembang di masyarakat: industri dan organik.Kata "industri" pertanian berasal dari Revolusi Hijau, yang melanda dunia pada pertengahan abad kedua puluh. Perkembangan teknologi pertanian selama periode ini menghasilkan tanaman yang lebih kuat dan tahan penyakit. Tren tanaman pertanian rekayasa genetika dimulai dengan revolusi ini. Apa yang dimulai sebagai kesuksesan kecil yang berpusat di Meksiko, asal mula "revolusi hijau", dengan cepat menyebar ke seluruh dunia. Dalam masyarakat saat ini, kata "industri" pertanian mengacu pada penggunaan modifikasi genetik dan pupuk sintetis dalam hubungannya dengan teknik pertanian tradisional (Briney, 2010).Ungkapan pertanian "organik" mengacu pada spesies yang telah dibudidayakan tanpa menggunakan bantuan sintetis apa pun, seperti manipulasi genetik atau aplikasi pupuk dan pestisida sintetis.Pertanian organik didefinisikan sebagai "praktik pertanian yang agroekologis, berkelanjutan, atau ekologis; memanfaatkan proses siklus nutrisi alami (non-sintetik); tidak termasuk atau jarang menggunakan pestisida sintetis; dan mempertahankan atau memulihkan kualitas tanah" (Badgley, 2006). Petani kecil yang tumbuh secara organik untuk memberi makan keluarga dan masyarakat lokal telah mempraktikkan pertanian organik selama beberapa generasi. Secara tradisional, peternakan, peternakan, dan produksi tanaman semuanya merupakan bagian dari siklus yang sama.

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