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Journal : Jurnal Agroteknos

PERTUMBUHAN DAN PRODUKSI TANAMAN KEDELAI (Glycine max L.) YANG DIBERI PUPUK GUANO DAN MULSA ALANG-ALANG Sarawa, Sarawa; Nurmas, Andi; Dasril, Muh AJ
Jurnal Agroteknos Vol 2, No 2 (2012)
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The objective of this study was to study the growth and yield of Soybean (Glicine max L. Mer) treated by guano fertilizer and tall grass mulch, conducted from July to September 211 in  Experimental Garden of Agriculture, Univesity of Haluoleo, Kendari. The study wass arrange on Randomized Completely Block Design in factorial pattern, consisting of two factors.   The first factor  was  guano fertilizer (G),  consisting of four level i.e. without guano fertilizer (G0),  4 t ha-1of guano fertilizer (G1), 8 t ha-1of guano fertilizer(G2), and 12 t ha-1guano fertilizer (G3). Second factor is was tall grass mulch(M) consisting  of four level i.e. without mulch(M0), 5 t ha-1,(M1), 10 t ha-1,(M2), and 15 tha-1. (M3). Eachcombination was repeated tree times as block so there were 48 experimental units. Variabel observed were plant height, number of pods formed, number of seed planting, dry weight of 100 seed and yield in t ha-1.  The  results of the research   indicate that the effects of interaction between guano ferlizer and tall grass mulch were significantly difference on plant height, number of pods formed, number of seed planting, dry weight of 100 seed adn yield in t ha-1. Keywords : soybeans, guano fertilizer, mulch
EKSPLORASI DAN KARAKTERISASI AZOTOBACTER INDIGENOUS UNTUK PENGEMBANGAN PUPUK HAYATI TANAMAN PADI GOGO LOKAL DI LAHAN MARJINAL NURMAS, ANDI; -, NOFIANTI; RAHMAN, ABDUL; KHAERUNI, ANDI
Jurnal Agroteknos Vol 4, No 2 (2014)
Publisher : Jurnal Agroteknos

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Abstract

Azotobacter is bacterium that has the ability to fix nitrogen and produce hormone IAA, thus potentially acts as biofertilizer agent. There are differences in chemical, biological and other characters of Azotobacter strains. Some strains have higher ability to fix nitrogen than the others. Exploration and characterization are important to be done because the bacteria that provide nutrients and live free rhizosphere regions, possible have different abilities.  In addition to N2 fixing, growth hormone production, phosphate dissolving, they are also tolerant to a certain temperature and pH. The purpose of the research was to obtain information and the latest data on indigenous Azotobacter that potential as a source of biofertilizer, and triggering factor for upland rice growth on marginal lands in Southeast Sulawesi.  Exploration from several locations has selected 21 Azotobacter isolates. The test results indicated that the 21 Azotobacter isolates have the ability to produce IAA, dissolve phosphate and stable at pH 5.0-7.0. All 21 isolates tested had the ability to survive at 40oC, eight isolates i.e. LT2D1, LT2d2, LU2c, RG4c, MP1f, LT2d3, ML1j, and RR8awere able to survive at a temperature of 45o C, and LT2d1 isolate survived at temperatures 50oC. The results of the evaluation of the wet weight of upland rice seedlings selected 10 isolates that were: KU6e, MS3e, RG4c, RR8b1, LU2c, RB4b, MS3f, LU2c1, RJ5e, RR8b2 and evaluation of seedling dry weight selected 5 isolates that were: RB4b, LU2c, RJ5e, RR8b2, LT2d1. Keywords:      exploration, characterization, indigenous Azotobacter, local upland rice
PENGENDALIAN WERENG PUCUK METE (Sanurus indecora) TANAMAN JAMBU METE DENGAN CENDAWAN Synnematium sp. DI LABORATORIUM Rahayu, Mallarangeng; Nurmas, Andi; Asniah, Asniah
Jurnal Agroteknos Vol 1, No 2 (2011)
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Pest is one of the constraints causing the decrease in the productivity of plants. One of the pests known as the most potential in causing the lost of cashew nut yield is Sanurus indecora. Generally, pest control still relies on the use of pesticides, while the other control methods such as biological control have not been applied optimally. The research of isolation, the effect of media and the use of Synnematium sp. to control S. indecora had been carried out from July to November, 2010. The objectives of this research were to know the pathogenic fungi infecting S. indecora in the field and the suitable media for their mass rearing, and to know the pathogenicity of Synnematium sp. on S. indecora. Test of the effects of media on the growth of Synnematium sp. consisted of five treatments and five replicates. Five kinds of media as treatment i.e: (1) PDA; (2) rice; (3) corn; (4) rice straw and (5) sago were arranged in complete randomized design. Test of the effects of spore concentrations of Synnematium sp. on mortality of S. indecora was conducted by using complete randomized design with five treatments and five replicates. Five concentrations of suspension as treatments were: control; 0.025 gml-1; 0.05 gml-1; 0.1 gml-1 and 0.2 gml-1. The results showed that the pathogenic fungus isolated from field infected S. indecora was Synnematium sp. The second experiment showed that the growth medium containing Rice Straw gave the best growth of Synnematium sp. colonies among the other treatments and 0.1 gml-1 of Synnematium sp. mycelium resulted in the highest mortality of S. indecora (57,5%) at 5 days after application. Key word: Cashew, Sanurus indecora, Synnematium sp.
PENGARUH PEMBERIAN BERBAGAI TAKARAN SERASAH TANAMAN UBI KAYU TERHADAP PERTUMBUHAN BIBIT METE DAN KETAHANANNYA TERHADAP SERANGAN HAMA WERENG PUCUK METE (Sanurus indecora) DI PEMBIBITAN Nurmas, Andi; Mallarangeng, Rahayu; Mursalim, Soleha
Jurnal Agroteknos Vol 2, No 3 (2012)
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This research was conducted at the New Campus Anduonohu, Kendari from December 2011 to March 2012. The purpose of this study was to determine the effect of various doses of  cassava plant litter  on  the  growth of  cashew seedlings and  resistance to  pest  attack planthopper shoots cashew in the nurseries. The design of the study was Randomized Block Design (RBD) with 4 levels of treatment that were: treatment without cassava plant litter +(U0), the provision of cassava plant litter 40 g polybag-1, equivalent to 10 ton ha-1 (U1), the provision of cassava plant litter 80 g polybag-1, equivalent to 20 ton ha-1 (U2), the provision of cassava plant litter 120 g of polybag-1, equivalent to 30 ton ha-1 (U3) and each treatment was repeated 3 times so that there were 12 experimental units and each treatment used 2 cashew seedlings,therefore overall cashew seedlings used was 24 cashew seedlings. The results showed that administration of various doses of the cassava plant litter showed no significant effect on plant height, leaf number, stem diameter ages 60  and 90 days after planting, leaf area, dashed ratio of plant roots and dry weight and had significant effect on stem diameter age 30 days after planting. The intensity of hopper pests of cashew shoots (Sanurus indecora) obtained the highest treatment without cassava plant litter with the intensity of attacks and the lowest 13,9% obtained in the treatment of 10 ton ha-1, 20 ton ha-1 and 30 ton ha-1 with 2,8% intensity of attacks. Keywords: cassava plant litter, cashew seedlings, and Sanurus indecora.
PENGARUH PEMBERIAN BERBAGAI JENIS PUPUK KANDANG TERHADAP PRODUKSI TANAMAN KACANG HIJAU (Vigna radiata L. NUR ALAMSYAH, MUHAMAD; SABARUDDIN, LAODE; NURMAS, ANDI; WIJAYANTO, TEGUH; ARSYAD, MIRZA ARSIATY; SAFUAN, LA ODE
Jurnal Agroteknos Vol 13, No 1 (2023)
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This study aims to determine the effect of the application of various types of manure on the production of mung bean. The research was carried out at the Field Laboratory of Experimental Gardens II, Faculty of Agriculture, Halu Oleo University, Kendari, from October to December 2021. The study used a randomized block design consisting of four treatments, namely control (P0), cow manure 10 t ha-1 (P1), goat manure 10 t ha-1 (P2) and chicken manure 10 t ha-1 (P3). Each treatment was repeated 4 times so that there were 16 experimental units. Variables observed were number of pods, pod weight, seed weight, weight of 100 seeds, seed production ton ha-1, analyzed by variance. If the variance shows a significant effect, then proceed with the Least Significant Difference Test (BNT) at the 95% confidence level. The results showed that the application of manure can increase the production of mung bean plants. Treatment of chicken manure 10 t ha-1 (P3) gave a better effect on the number of pods, pod weight, seed weight and seed production t ha-1.
PENGARUH PEMBERIAN DOSIS PUPUK KANDANG SAPI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN BAWANG MERAH (Allium ascalonicum L.) LOKAL BUTON MENGGUNAKAN MULSA PLASTIK KIMA, MUHAMAD RABIDIN; NURMAS, ANDI; SUBAIR, IMRAN
Jurnal Agroteknos Vol 12, No 2 (2022)
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This study aims to determine the effect of cow manure application on the growth and production of shallots. The research was conducted at the Field Laboratory of Experimental Gardens II, Faculty of Agriculture, Halu Oleo University, Kendari, at an altitude of 25 meters above sea level, from November to January 2022. The study used a one-factor Randomized Block Design (RBD) consisting of seven treatments. B0 (without treatment), B1 (cow manure 12.5 t ha-1), B2 (cow manure 15 t ha-1), B3 (cow manure 17.5 t ha-1), B4 (cow manure 20 t ha-1), B5 (cow manure 20 t ha-1), and B6 (cow manure 25 t ha-1). Each treatment was repeated four times so that there were 28 experimental units. Variables observed were plant height, number of leaves, number of tillers, number of tubers, plant fresh heavy, plant dry weight, tuber fresh heavy and productivity. The results showed that the dose of cow manure on the growth and yield of local Buton shallots had a significant effect on all growth and yield variables of the Buton local shallots. The best treatment was obtained at a dose of cow manure 25 t ha-1 with a plant height of 29.36 cm, number of leaves 15.00 strands, number of tillers 6.00 tillers, number of tubers 7.00, plant fresh heavy 24.62 g, weight dry plant 1.59 g, tuber fresh heavy 166.70, and productivity 1.67 t ha-1.
PENGARUH JENIS PUPUK DAUN DAN JENIS MULSA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN BAYAM MERAH (Amaranthus tricolor L.) VARIETAS BISI Nurmas, Andi; Fitriah, Sitti Putri
Jurnal Agroteknos Vol 1, No 2 (2011)
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ABSTRACTThe objective of this experiment was to study the effect of foliar fertilizer type and mulch  type  on  the  growth  and  production of  red  spinach  (Amaranthus tricolor L.)  bisi variety. The experiment was conducted from July to September 2010 in the Village District Padaleu Poasia Kendari. The research was based on randomized block design (RBD) in the factorial pattern consisting of two factors, with three replications. The first factor was the type of foliar fertilizer which consisted of 4 levels: without foliar fertilizer (K0), Gandasil-D (K1), Bayfolan (K2), Seprint (K3). The second factor was the type of mulch which consisted of 3 types, namely: no mulch (M0), plastic black silver mulch (M1), and reed leaves (M2). The results showed  that  in  general the  interaction between foliar  fertilizer of  Bayfolan and plastic  mulch  (MPHP)  gave  a  significant  effect  on  the  growth  and  yield  of  red  spinach (Amaranthus tricolor L.) bisi variety. Keywords : Red Spinach, Foliar Fertilization Mulch
KISARAN INANG WERENG PUCUK METE (Sanurus indecora) DI PEMBIBITAN Rahayu, M; Nurmas, Andi; Yunita, Yunita
Jurnal Agroteknos Vol 2, No 2 (2012)
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Cashew  is one of export commodities that has high economic value compared to other commodities.   Sanurus indecora is  one of major pest in cashew, because the pest could decrease both quality and quantity of the products. This study aimed to determine the most preferred host of  S. indecora. The study consisted of: (1) Treatment of food, Choice – method using 10 tail nymphs S. indecora and No-choice method  using 30 individuals of S. indecora (2) The treatment was done by spawning  no-choice method using a single pair of imago S. indecora and Choice-method using 10 pairs of S. indecora. The parameters observed were the number of S. indecora attack on any type of host plant and the number of eggs laid on each  host  plant  species.  The  study  found  that  the  treatment of  feed  no-choice method, nymphs that attacked on mango plants was on average of 8.5 tail, cashew plant 6.5 and rambutan 2.5 tail. Treatment of feed, choice-method,  an average selection of nymphs that attacked the mango plants was 20 tail, cashew plants 5 tail and   rambutan plants 1.5 tail. Spawning, no-choice method, the average number of eggs laid  was 35 on mango plants, cashew plants 16 eggs laid, while no egg laid. Spawning  choice-method the average number of eggs laid was 86 on mango plants, 50.5 on cashew plant while on rambutan plants. The results showed that the most preferred host of S. indecora was mango plant. Keywords: cashew plant, host range, S. Indecora