71 research outputs found
Physiological Process of Acacia mangium Willd. Plant of Six Months Old Attacked by Black Spots Disease in PT Itci Hutani Manunggal Terunen
No full textThe purposes of this study were to determine symptoms and signs of black spot disease on mangium plants of 6 months old, frequency of the attacks and their effects on physiological processes of affected phyllode (amount of chlorophyll, transpiration, evaporation and water potential of phyllode). Fieldwork was conducted in the research plots measuring 25 m x 25 m) in mangium plantation. Observed plants were 6 months old amounted to 104 plants at a spacing of 3 m x 2 m, the seedlings were originated from Riau Islands. Plants were observed in the census in research plots .The results showed that the black spot disease was caused by a fungus Meliola brisbanensis with symptoms of black spots on phyllode, where the spots occured more on the upper surface than the lower surface. Other than phyllode, young part of the stem was also attacked. Attacked phyllode changed in color from green to yellow (chlorotic). Frequency of attacks on plot of 6 months old was 62.5%. The amount of chlorophyll in phyllode attacked by black spot fungus was 40.8 Spad. Transpiration velocity had the value of 1284.26 gr/dm2/second, evaporation rate of 0.00019 μgcm2/minute. Water potential of phyllode at 08:00 to 10:00 a.m was 18 bars, at 12:00 a.m to 14:00 p.m 21.2 bars and at 4:00 p.m. to 6:00 p.m. was 9 bars. Environmental factors that influence the physiological process of black spot fungus were soil pH, irradiation intensity, water content of soil and were influenced by factors inside of the black spot disease itself.
Doi: 10.12777/ijse.5.1.15-18
[How to cite this article: Syahfari, H., Bratawinata, A.A., Sutisna, M. and Mardji, D. (2013). Physiological Process of Acacia mangium Willd. Plant of Six Months Old Attacked by Black Spots Disease in PT ITCI Hutani Manunggal Terunen. International Journal of Science and Engineering, 5(1),6-11. Doi: 10.12777/ijse.5.1.15-18
Effect of Compost Fertilizer and NPK Rainbow Compound Fertilizer on Growth and Yield of Beans (Phaseolus vulgaris L).
No full textThe study aimed to determine the effect of compost and NPK Pelangi compound fertilizer and their interaction on the growth and yield of beans.The study was conducted in February-May 2016. The location of the study was in Linggang Amer Village, Linggang Bigung District, West Kutai Regency. The research design used was a Completely Randomized Design (CRD) in a 4x4 factorial experiment with 3 replications. Factor I: dosage of compost (B), consists of 4 levels, namely: without fertilizer or control (b0), fertilizer dose of 10 tons / ha or 100 g / polybag (b1), fertilizer dose of 20 tons / ha or 200 g / polybag (b2), fertilizer dose of 30 tons / ha or 300 g / polybag (b3). The second factor: the dose of NPK Pelangi (P) compound fertilizer, consists of 4 levels, namely: without fertilizer or control (p0), 1 g / polybag (p1) fertilizer dose, 3 g / polybag (p2) fertilizer dose, 5 fertilizer dose g / polybag (p3).The results showed that compost treatment (B) had no significant effect on the height of plants aged 10 and 30 days after planting, the number of fruit per plant and the weight of fruit per plant. The effect is very significant on plant height aged 20 days after planting and fruit length. The treatment of NPK Pelangi compound fertilizer (P) had no significant effect on plant height aged 20 and 30 days after planting, fruit length, number of fruit per plant and weight of fruit per plant. Significant effect on plant height at 10 days after planting
Identifikasi Hama Lalat Buah (Diptera: Tephritidae) pada Berbagai Macam Buah-buahan
No full textThe research objective is to determine the type of fruit flies that attack fruit. Fruits used in this research are: mango, papaya, starfruit, stone guava, and water guava. The research was conducted in the pests laboratory of Agricultural Quarantine Class I Balikpapan. This type of research is an exploratory description that describes data that was collected in the field by using the method of rearing hosts (maintenance hosts). Once the fruit fly imago emerges from the fruit, then it is collected and finally identified for further identification. The results showed that from the identification, there are four types of fruit flies that attack fruits, namely: Bactrocera carambolae, Bactrocera albistrigata, Bactrocera cucurbitae, Bactrocera papaya
PENGARUH PUPUK KANDANG SAPI DAN PUPUK GREEN TONIK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (Zea mays L. saccharata Sturt)
No full textEffect of Cow Manure and Green Tonic Fertilizer on the Growth and Yield of Sweet Corn (Zea mays L. var saccharata Sturt). Research purposes to determine the effect of cow manure and fertilizer GreenTonic on growth and yield of sweet corn. The study was conducted from February 2013 to May, 2013, at Dingin Village, Muara Lawa Sub Distric of WestKutai.Distric.EastKalimantanProvince. Research purposes to determine the effect of cow manure and fertilizer Green Tonic on growth and yield of sweet corn. The study was conducted from February 2013 to May, 2013, in Dingin village, Muara Lawa Sub District of West Kutai District. East Kalimantan Province. Research design used 3x3 factorial experiment in a randomized block design (RBD) premises 3 blocks (replicates). Treatment factor I is Cow Manure (K), consists of three levels, namely: without the cow manure (k0), the dose of cow manure 10 tonnes / ha (k1), the dose of cow manure 15 tonnes / ha (k2). Treatment factor II is fertilizer Green Tonic (G), consists of three levels, namely: without fertilizer Green Tonic (g0), the concentration of fertilizer Green Tonic 1ml / l. water (g1), and the concentration of fertilizer Green Tonic 2 ml / l. water (g2). Treatment of cow manure (K) significantly different to the current parameters out male flowers and heavy cob. Significantly different cob diameter. Not differ significantly affect plant height at 30 days and 45 days, while female flowers out, ear length and cob production. Green manure treatment Tonok (G) significantly different to the cob diameter, cob weight and cob production. Significantly different when the male flowers out and ear length. Unlike tidaknyata the plant height at 30 days and 45 days, and while out female flowers. Treatment interaction (KxG) did not differ significantly affected plant height at 30 days and 45 days, while the male flowers come out, when out of the female flower, ear length, ear diameter, ear weight and ear production
Effect of Application TIME and Dosage of Cow Manure on the Growth and Yield of Mustard (Brassica Juncea L.).
No full textThe aims of research were to study the effect of application time and dosage of cowmanure and their interaction on the growth and yield of mustard, as well as to find out the proper time and dosage for the best growth and yield of mustard.The research was conducted for three months, starting from March until May 2016. It carried out in Muara Pahu sub district of West Kutai District. The experimental design used a randomized block design (RBD) with two factors and three replications. The first factor was the timing of cow manure application (W), consisting of three levels, namely: 5 days before planting (w1), 10 days before planting (w2), and 15 days before planting (w2).The second factor was the dosage of cow manure (K), consists of three levels,namely: 5 t/ha, equivalent to 720 g/plot (k1), 10 t/ha, equivalent to 1,440 g/plot (k2); and 15 t/ha, equivalent to 2,160 g/plot (k3).The research results showed that the application time of cow manure do not significantly affect on the plant height at 14 days after planting and number of leaves at 14 days after planting. It affected significantly on the plant height at 21 days after planting, leaf number at 21- and 28- days after planting, and plant weight per sample plots. It affected very significantly on the plant height at 28 days after planting and the plant fresh weight per hectare. The highest plant fresh weight was attained in the w3treatment (the application time 15 days after planting) with 27.48 t/ha, but the lowest one was found in the w1treatment (5 days after planting) with only 20.86 t/ha.Meanwhile, the cow manure dosage treatment did notaffect significantly on the plant height at 14 days after planting and number of leaves at 14 days after planting. But it affected significantly on the plant height at 21 days after planting. And it affected very significantly on the plant height at 28 days after planting, leaf number at 21 days after planting, the fresh weight per sample plots and fresh weight per hectare. The highest plant fresh weight was attained in the k3 treatment (dosage of cow manure 15 t/ha)with 28.72 t/ha, but the lowest one was found in the k1 treatment (5 t/ha) with only 20.84 t/ha.The interaction treatment had no significant effect on the plant height at 14-, 21- and 28- days after planting, leaf number at 14-, 21- and 28- days after planting, plant fresh weight per sample plots and fresh weight per hectare
Pengaruh Pupuk Npk Pelangi Dan Pupuk Daun Grow Team M Terhadap Pertumbuhan Dan Hasil Tanaman Tomat (Lycopersicon Esculentum L. Mill) Varietas Permata
No full textObjectives of the research were : (1) to study the effect of NPK Pelangi fertilizer abd Grow Team M foliar spray fertilizer, as well as their interaction on the growth and yield of tomato; (2) to find profer dosage of NPK Pelangi fertilizer and proper concentration of Grow Team M foliar spray fertilizer for better growth and yield of tomato. The research was carried out from January to May 2013, since preparation of growing media until crop harvested. It was held at Melak Ilir Urban Village, Melak Sub-District, West Kutai District. The Completely Randomised Design was employed for this research with factorial 4 x 4 and 4 replications. The first factor was NPK Pelangi fertilizer dosage (N) that consisted of 4 levels: no NPK Pelangi fertilizer application (n0), 125 kg ha-1 equals to 1,25 g polybag-1 (n1), 250 kg ha-1 equals to 2,50 g polybag-1 (n2), and 375 kg ha-1 equals to 3,75 g polybag-1 (n3). And the second factor was Grow Team M foliar spray concentration (D) that consisted of 4 levels: no Grow Team M foliar spray fertilizer application (d0), 1 ml per litre water (d1), 2 ml per litre water (d2), and 3 ml per litre water (d3). Results of the research revealed that: (1) the NPK Pelangi fertilizer affected very significantly on the plant height at 2, 4, and 6 weeks after sowing, days of crop firstly flowered, days of crop harvested, number of fruit per crop, weight per fruit, and fruit weight per crop. The weighest fruit was attained by 375 kg ha-1 equals to 3,75 g polybag-1 treatment (n3), namely 195,83 g per crop. Whereas the lightest one was by no NPK Pelangi fertilizer application treatment (n0) with only 120,83 g per crop; (2) the Grow Team M foliar spray concentration affected very significantly on the plant height at 2, 4, and 6 weeks after sowing, days of crop firstly flowered, days of crop harvested, number of fruit per crop, weight per fruit, and fruit weight per crop. The weighest fruit was attained by 2 ml per litre water treatment (d2), namely 192,50 g per crop and the lightest one was by no Grow Team M foliar spray fertilizer application treatment (d0) with only 159,17 g per crop; and (3) the interaction between those two factors affected significant until very significantly on the plant height at 2, 4, and 6 weeks after sowing and number of fruit per crop, but it did not give significant on the days of crop firstly flowered, days of crop harvested, weight per fruit, and fruit weight per crop
Effect of Tanijau Organic Fertilizer and SMS Agrobost Organic Fertilizer on the Growth and Production of Green Eggplant (Solanummelongena L) F1 RatihHijau Hybrid
No full textThe purpose of this research is to know the effect of Tanijau organic fertilizer and organic fertilizer SMS Agrobost and its interaction with green eggplant growth and yield.The research method using Completely Randomized Design (RAL) in a 4x4 factorial experiment, with two treatment factors, was repeated as many as 4 repetitions. Factor I is the dose of Tanijau organic fertilizer (t), consisting of 4 levels, that is: without organic fertilizer Tanijau or control (t0), 2kg / polybag (t1), 4kg / polybag (t2), and 6kg / polybag (t3) . Factor II is the concentration of organic fertilizer SMS Agrobost (a), consisting of 4 levels, namely: without organic fertilizer SMS Agrobost or control (a0), 5ml / liter water (a1), 10ml / liter water (a2), and 15ml / liter of water (a3).The results showed that Tanijau organic fertilizer (t) was very different on plant height 15 days after planting, 30 days after planting, 45 days after flowering age, harvest age, weight per fruit, fruit weight per plant and the amount of fruit per plant is most achieved in the treatment of organic fertilizer Tanijau 6kg / polybag (t3) is1.519.56gr, while the least fruit cultivation is achieved at the treatment of t0 (without the dosage of Tanijau organic fertilizer) that is1.082,93gr.The effect of organic fertilizer SMS Agrobost differed significantly on plant height of planting age, flowering age, harvest age, number of fruits per plant, average weight per fruit, fruit weight per plant, fruit length per plant and fruit diameter per plant and number of fruit per plant. Treatment interaction was significantly different to fruit weight per plant, but was not significantly different from plant height 15, 30 and 45 days after planting.</jats:p
Inventarisasi Penyakit Bercak Daun (Curvularia sp.) Di Pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Penelitian ini bertujuan untuk mengetahui frekuensi dan intensitas serangan penya
No full textInventarisasi Penyakit Bercak Daun (Curvularia sp.) Di Pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Penelitian ini bertujuan untuk mengetahui frekuensi dan intensitas serangan penyakit bercak daun (Curvularia sp.) di pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Hasil yang diharapkan dari penelitian ini adalah untuk memberikan informasi mengenai intensitas serangan penyakit bercak daun (Culvularia sp.) pada pembibitan PT Ketapang Hijau Lestari - 2.Penelitian ini dilaksanakan + 3 bulan mulai dari bulan Februari sampai dengan bulan April 2014. Penelitian ini menggunakan bibit kelapa sawit sebanyak 500 bibit yang terbagi di 2 (dua) tempat yaitu pre-nursery dan main-nursery PT Ketapang Hijau Lestari - 2. Dengan metode purposive sampling.Hasil penelitian yang telah dilakukan, pembibitan PT Ketapang Hijau Lestari-2 tergolong dalam pembibitan yang sehat karena jumlah tanaman yang terserang penyakit bercak daun (Culvularia sp.) relatif sedikit. Berdasarkan hasil penelitian frekuensi dan intensitas serangan di main-nursery lebih besar dari pada yang di pre-nursery .Berdasarkan hasil perhitungan diperoleh nilai frekuensi serangan penyakit bercak daun (Culvularia sp.) di pembibitan pre-nursery adalah 5,2 % maka kerusakan yang diakibatkan oleh jamur ini relatif kecil, sedangkan intensitas serangan adalah 2,5%. Kemudian hasil perhitungan frekuensi serangan penyakit pada main-nursery adalah 8% dan intensitas serangan adalah 3,7%, serangan penyakit ini termasuk kedalam kategori rusak ringan dikarenakan semai yang diteliti dalam kondisi sehat, dan jumlah yang terserang sangat sedikit.
Inventarisasi Penyakit Bercak Daun (Curvularia SP.) di Pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Penelitian ini Bertujuan untuk Mengetahui Frekuensi dan Intensitas Serangan Penya
No full textInventarisasi Penyakit Bercak Daun (Curvularia sp.) Di Pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Penelitian ini bertujuan untuk mengetahui frekuensi dan intensitas serangan penyakit bercak daun (Curvularia sp.) di pembibitan Kelapa Sawit PT Ketapang Hijau Lestari – 2 Kampung Abit Kecamatan Mook Manaar Bulatn Kabupaten Kutai Barat. Hasil yang diharapkan dari penelitian ini adalah untuk memberikan informasi mengenai intensitas serangan penyakit bercak daun (Culvularia sp.) pada pembibitan PT Ketapang Hijau Lestari - 2.Penelitian ini dilaksanakan + 3 bulan mulai dari bulan Februari sampai dengan bulan April 2014. Penelitian ini menggunakan bibit kelapa sawit sebanyak 500 bibit yang terbagi di 2 (dua) tempat yaitu pre-nursery dan main-nursery PT Ketapang Hijau Lestari - 2. Dengan metode purposive sampling.Hasil penelitian yang telah dilakukan, pembibitan PT Ketapang Hijau Lestari-2 tergolong dalam pembibitan yang sehat karena jumlah tanaman yang terserang penyakit bercak daun (Culvularia sp.) relatif sedikit. Berdasarkan hasil penelitian frekuensi dan intensitas serangan di main-nursery lebih besar dari pada yang di pre-nursery .Berdasarkan hasil perhitungan diperoleh nilai frekuensi serangan penyakit bercak daun (Culvularia sp.) di pembibitan pre-nursery adalah 5,2 % maka kerusakan yang diakibatkan oleh jamur ini relatif kecil, sedangkan intensitas serangan adalah 2,5%. Kemudian hasil perhitungan frekuensi serangan penyakit pada main-nursery adalah 8% dan intensitas serangan adalah 3,7%, serangan penyakit ini termasuk kedalam kategori rusak ringan dikarenakan semai yang diteliti dalam kondisi sehat, dan jumlah yang terserang sangat sedikit
UJI EFIKASI EKSTRAK KASAR UMBI TEKI (Cyperus rotundus L.) DALAM MENGHAMBAT MIKROBA Propionibacterium acne
No full textTeki (Cyperus rotundus L.) mempunyai kandungan senyawa bioaktif pada umbi dan daunnya. Senyawa bioaktif tersebut dapat digunakan sebagai penolak serangga, antifungus, antimikroba, toksin dan menjadi pertahanan bagi tumbuhan terhadap predator. Saponin pada umbi teki termasuk kelompok antibakteri yang dapat mengganggu permeabilitas membran sel mikroba, yang mengakibatkan kerusakan membran sel dan menyebabkan keluarnya berbagai komponen penting dari dalam mikroba. Uji daya antibakteri ekstrak umbi teki terhadap bakteri Staphylococcus epidermidis dan Propionibacterium acne menunjukkan adanya zona hambat di sekitar kertas cakram pada konsentrasi 20%, 40%, 60%, 80%, 100%, dan kontrol positif, sehingga ekstrak umbi teki berpotensi sebagai antibakteri Staphylococcus epidermidis dan Propionibacterium acne. Tujuan penelitian ini untuk mengetahui kandungan fitokimia umbi teki dan uji efikasi antimikroba serta mengetahui konsentrasi hambat minimum dari ekstrak kasar umbi teki terhadap pertumbuhan mikroba Propionibacterium acne. Umbi gulma rumput teki diambil dari sekitar perkebunan warga Talang Sari Kota Samarinda. Kemudian dilanjutkan dengan pembuatan simplisia, pembuatan ekstrak kasar ethanol, skrining fitokimia umbi rumput teki (kandungan alkaloid, flavonoid, fenolik, triterpenoid, saponin) serta uji aktivitas antimikroba (Propionibacterium acne). Hasil uji fitokimia menunjukkan bahwa senyawa bioaktif yang terkandung dalam ekstrak kasar ethanol umbi teki adalah fenolik, flavonoid dan triterpenoid. Hasil uji aktivitas antibakteri diperoleh bahwa ekstrak kasar umbi teki yang diujikan pada bakteri Propionibacterium acne dengan konsentrasi 6%, 8%, 10%, 12%, 15% menghasilkan diameter zona hambat berturut-turut 8,6 mm, 10 mm, 11 mm, 11,6 mm, dan 12,6 mm. Nilai Minimum Inhibitory Concentration (MIC) adalah 6%. Teki (Cyperus rotundus L.) contains bioactive compounds in its tubers and leaves. These bioactive compounds can be used as insect repellents, antifungals, antimicrobials, toxins and as a defense for plants against predators. Saponins in teki tubers are an antibacterial group that can interfere with the permeability of microbial cell membranes, resulting in damage to cell membranes and causing the release of various important components from the microbes. Antibacterial activity test of teki extract against Staphylococcus epidermidis and Propionibacterium acne showed an inhibition zone around the disc paper at concentrations of 20%, 40%, 60%, 80%, 100%, and positive control, so that the nutmeg extract has the potential as an antibacterial for Staphylococcus. epidermidis and Propionibacterium acnes. The purpose of this study was to determine the phytochemical content of teki tuber and antimicrobial efficacy test and to determine the minimum inhibitory concentration of the crude extract of teki tuber on the growth of Propionibacterium acne microbes. The sedge weed bulbs were taken from around the plantations of Talang Sari residents, Samarinda City. Then proceed with the manufacture of simplicia, manufacture of crude ethanol extract, screening of nutgrass tuber phytochemicals (contains of alkaloids, flavonoids, phenolics, triterpenoids, saponins) and testing of antimicrobial activity (Propionibacterium acne). The results of the phytochemical tests showed that the bioactive compounds contained in the crude ethanol extract of teki tubers were phenolics, flavonoids and triterpenoids. The results of the antibacterial activity test showed that the crude extract of teki tubers tested on Propionibacterium acne bacteria with concentrations of 6%, 8%, 10%, 12%, 15% produced inhibition zone diameters of 8.6 mm, 10 mm, 11 mm, respectively. 11.6mm, and 12.6mm. Minimum Inhibitory Concentration (MIC) value was 6%.Â
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