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RESPON TANAMAN JAGUNG MANIS (Zea mays saccharata L.) TERHADAP PEMBERIAN PUPUK HAYATI MAJEMUK CAIR DAN PUPUK BUATAN N, P DAN K Rahayu, Arifah; Rochman, Nur; Lestari, Nurfitri Dwi; Agustina, Karlin
JURNAL AGRONIDA Vol 4, No 1 (2018)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the response of sweetcorn plant on various dosages ofbiofertilizer and synthetic (N, P and K) fertilizer. The study was done in May to September 2014 atthe Agrotechnology Trial Farm of Djuanda University. A factorial completely randomized designwas used. The first and second factor were biofertilizer and synthetic fertilizer dosage (0%, 50 %,100% and 150% R/Recommendation). Results showed that adding biofertilizer and syntheticfertilizer until 100% R increased leaf area, length and weight of ear, root and biomass weight andTSS (total soluble solids) content. At various level of biofertilizer, increasing synthetic fertilizerdosages until 100% R could improve plant height, leaves and root number, stem girth, ear lengthand accelerate growing of staminate and pistillate. Meanwhile at various degree of syntheticfertilizer dosage, raising bofertilizer dosage until 150% R tend to higher plant height, and until100% R caused stem girth and root length greater, but delayed staminate and pistillate growth.Application of biofertlizer and synthetic fertilizer tend to increasing pH and cation exchangecapacity of growth medium.Keywords: weight of ear, pH, cation enxchange capacity

Tanggap Fisiologi Akar Sorgum (Sorghum bicolor L. Moench) terhadap Cekaman Aluminium dan Deﬁ siensi Fosfor di dalam Rhizotron Karlin Agustina; Didy Sopandie; , Trikoesoemaningtyas; Desta Wirnas
Indonesian Journal of Agronomy Vol. 38 No. 2 (2010): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

A study on physiological mechanism of sorghum to aluminum (Al) toxicity and phosphorous (P) deﬁ ciencies was conducted using several sorghum genotypes in rhizotron. The study was conducted in the greenhouse of the University Farm, Bogor Agricultural University from August to October 2009. The experiment was carried out as a Factorial experiment in a Completely Randomized Design with three replications. The ﬁ rst factor was sorghum genotypes consisted of Numbu (tolerant) and B-75 (sensitive), and the second factor was combination of lime and phosphorous fertilization consisted of: no lime-no P (R1), no lime-low P (R2), no lime-sufﬁ cient P (R3), lime-no P (R4), lime-low P (R5) and lime-sufﬁ cient P (R6). The results showed that all variables were signiﬁ cantly affected by the interaction of media and genotype, except for length of shoot and total P uptake. Under low P and Al toxicity, sorghum variety Numbu showed a higher nutrient efﬁ ciency than B-75 with ability of forming greater dry mass. The sensitive genotypes showed a higher nutrient uptake but a lower P nutrient use efﬁciency under Al toxicity and P deﬁ ciency. Total P uptake and P nutrient use efﬁ ciency were highly correlated with root growth and dry material accumulation. Keywords: sorghum, Al toxicity, P deﬁ ciencies, P nutrient use efﬁ ciency, P uptake

Keragaan Agronomi Cabai Keriting (Capsicum annuum L.) IPB di Lahan Pasang Surut Sumatera Selatan Evriani Mareza; Karlin Agustina; Yursida; Muhamad Syukur
Indonesian Journal of Agronomy Vol. 49 No. 2 (2021): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The use of curly chili as a food ingredient continues to increase. It is necessary to increase production through the use of superior varieties by utilizing tidal land that is widely available in South Sumatra. This research aimed to obtain superior varieties of curly chili IPB with the potential to be developed for tidal land of South Sumatra. The experiment was conducted from July 2020 to January 2021 on potential acidic sulfate soil of tidal land overflow type C, using a randomized complete block design with three replications. Tested genotypes were six IPB’s curly chilies, namely F10-120005-141-16-35-3-2B, F10-120005-141-16-35-1-4-3B, F10-120005-141-16-35-7-1-3B, F10-120005-241-2-9-4-4-1-1B, F10-120005-120-7-1-7-8-1-2B, F11-0005-9-6, and four check genotypes, namely SSP, Laris, Caman, F1-PM999. Analysis of variance followed by the HSD test was conducted. The relationship between variables was analyzed using Pearson correlation. Test genotype F10-120005-120-7-1-7-8-1-2B had tall stems and produced higher fruit weight than the check genotype, as it has the highest flesh thickness, longer fruit, and the largest fruit diameter. IPB genotypes F10-120005-141-16-35-1-4-3B, F10-120005-141-16-35-7-1-3B, F10-120005-241-2-9-4-4-1-1B, F10-120005-120-7-1-7-8-1-2B are potential to be developed as superior curly chili varieties in potential acidic sulfate soil on tidal land of South Sumatra, with productivity ranging from 11.38 to 12.92 ton ha-1. Curly chili genotype had different growth abilities in tidal land depending on their ability to adapt to the growing environment according to their genetic characteristics. Keywords: adaptive genotype, check genotype, suboptimal land, test genotype

Efikasi Herbisida Penoksulam pada Budidaya Padi Sawah Pasang Surut untuk Intensifikasi Lahan Suboptimal Dwi Guntoro; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 2 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

An experiment on herbicide Penoksulam 25.5 g/L was conducted in tidal land. The objectives of this experiment was to determine the effectiveness of herbicides in controlling weeds in lowland rice. The experiment was conducted from November 2012 to March 2013. Randomized block design (RBD) with 6 treatments and 4 replications was used. The treatments tested the herbicide Penoksulam 25.5 g/L dose of 0.60 L/ha, 0.75 L/ha, 0.94 L/ha, 1,125 L/ha, manual weeding and control. The experimental unit was a plots measuring 5 m x 5 m. The results showed that the application of penoksulam 25.5 g/LÂ could to control weeds of lowland rice. Dominance weeds species in tidal land were Fimbristylis littoralis, Ludwigia octovalvis and Cyperus Iria. Application of herbicide at doses 0.60 L/ha up to 1.125 L/ha caused only mild symptoms of phytotoxicity on rice. Herbicides could be used to increase low land rice production on effective dose 0.60 L/ha to 0.75 L/ha.

Tanggap Tanaman Jagung terhadap Aplikasi POC Urin Sapi dan Pupuk Anorganik di Lahan Pasang Surut Tipe Luapan C Ruli Joko Purwanto; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The research was conducted in the village of Banyu Urip at Banyuasin district from March to June 2013. This study aimed to examine the effect of organic manure of fermented cow urine (liquid organic fertilizer/ POC) and combined with different doses of inorganic fertilizer on the growth and yield of corn land in the tidal area overflow type C. This study uses a randomized block design consisting of 5 treatment was repeated 5 times. Each treatment unit with a plot size of 1.5 m x 10 m. Treatment in this study are as follows: J0 = 100% recommended dose of inorganic fertilizer without POC cow urine; J1 = 75% recommended dose of inorganic fertilizer + POC cow urine; J2 = 50% recommended dose of inorganic fertilizer + POC cow urine; J3 = 25% recommended dose of inorganic fertilizer + POC cow urine, and J4 = 100 % POC cow urine without inorganic fertilizers. The results of fertilizer application treatments using organic and inorganic fertilizers on maize showed significant effect on all observed variables. Further test results show that the inorganic fertilizer treatment J2 = 50% of the recommended dose of cow urine + POC gives the highest yield for plant height (162.22 cm), number of leaves, corn with cornhusk weight (187.70 g), the weight of the corn without cornhusk (177.54 g), dry shelled weight (139.05 g), weight of 100 grains (30.87 g) and the number of seed rows per ear (16.60), as well as significantly different to the other treatments.

Diversitas Gulma pada Budidaya Padi dan Jagung di Lahan Pasang Surut Desa Banyu Urip Kecamatan Tanjung Lago Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 4 No. 1 (2015): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

The experiment about Diversity of weeds on rice and maize cultivation in the tidal-land Banyu Urip village subdistrict Tanjung Lago was conducted from November 2013 until Desember 2013. The purpose of the experiment is determinate the dominant weed species in cultivation of rice and maize in the tidal-land, to evaluate the results of weed control, and can be a basic weed control recommendations. The method used is squared method. The results showed that the dominant weeds in rice crops with highests sum dominance ratio (SDR) is: Ludwigia octovalvis, Fymbristilis littoralis, Alternanthera philoxeroides and Cyperus kylingia. Dominant species in maize planting is: Alternanthera phyloxeroides, Paspalum conjugatum, Borreria alata, and Euphorbia hirta. The use of a single active ingredient â€œisopropylamine â€“ glifosatâ€ in weed control in the tidal-land have not been able to effectively control weeds both broadleaf weeds, puzzles or grass. Mechanical methods of weed control on weeds with stoloniferous will increasingly dominant weed.

Response of Sweet Corn Plants (Zea mays saccharata L.) Affected the Aplication of Biological Liquid Compound Fertilizer and Synthetic Fertilizer N, P and K Arifah Rahayu; Nur Rochman; Nurfitri Dwi Lestari; Karlin Agustina
JURNAL AGRONIDA Vol. 4 No. 1 (2018)
Publisher : Universitas Djuanda Bogor

This study was aimed at assessing the response of sweetcorn plant on various dosages ofbiofertilizer and synthetic (N, P and K) fertilizer. The study was done in May to September 2014 atthe Agrotechnology Trial Farm of Djuanda University. A factorial completely randomized designwas used. The first and second factor were biofertilizer and synthetic fertilizer dosage (0%, 50 %,100% and 150% R/Recommendation). Results showed that adding biofertilizer and syntheticfertilizer until 100% R increased leaf area, length and weight of ear, root and biomass weight andTSS (total soluble solids) content. At various level of biofertilizer, increasing synthetic fertilizerdosages until 100% R could improve plant height, leaves and root number, stem girth, ear lengthand accelerate growing of staminate and pistillate. Meanwhile at various degree of syntheticfertilizer dosage, raising bofertilizer dosage until 150% R tend to higher plant height, and until100% R caused stem girth and root length greater, but delayed staminate and pistillate growth.Application of biofertlizer and synthetic fertilizer tend to increasing pH and cation exchangecapacity of growth medium.Keywords: weight of ear, pH, cation enxchange capacity

IDENTIFIKASI KARAKTER KUALITATIF BEBERAPA GALUR UJI CABAI RAWIT (Capsicum frutescens L.) IPB DI KOTA PALEMBANG Karlin Agustina; Yursida Yursida; Evriani Mareza; Elvira Belinda Adisma; Muhamad Syukur
JURNAL AGRONIDA Vol. 7 No. 1 (2021)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jag.v7i1.4112

Penelitian ini bertujuan untuk mengidentifikasi karakter kualitatif galur-galur uji cabai rawit IPB di Kota Palembang. Penelitian dilaksanakan pada September 2018-April 2019 di Kecamatan Sematang Borang, Kota Palembang. Rancangan penelitian yang digunakan adalah Rancangan Acak Kelompok (RAK) satu faktor, yaitu 11 galur uji cabai rawit (F5285290-237-6-1, F6285290-6-10-1-1, F5285290-290-2-1, F5285290-290-9-1, F5285290-290-9-3, F5321290-40-2-1, F5285290-123-6-15, F6321290-252-10-8-4, F5285290-38-6-3, F6321290-252-10-8-23, F6321290-252-10-8-7) dan 5 galur pembanding (Bonita IPB, C290, C285, C295, C321) digunakan sebagai perlakuan. Satu satuan percobaan berupa plot dengan ukuran 5 m x 1 m yang terdiri atas 10 tanaman contoh. Identifikasi karakter kualitatif dicocokkan dengan kriteria deskripsi cabai menurut IPGRI (1995) dan Direktorat Perbenihan Hortikultura (2017). Hasil evaluasi menunjukkan 100% galur uji dan galur pembanding cabai rawit memiliki kesamaan dalam bentuk batang bersudut, warna batang hijau muda, bentuk daun oval, warna bunga putih kehijauan, kelopak dan mahkota bunga berwarna hijau dan putih kehijauan. Warna daun galur cabai rawit hijau dan hijau muda. Kepala putik berwarna hijau muda, hijau, kuning kehijauan dan kuning. Benang sari berwarna ungu dan putih bergaris ungu. Buah cabai muda memiliki warna kulit yang berbeda dengan buah tua. Warna kulit buah muda bervariasi antara putih, hijau kekuningan dan hijau muda, sedangkan warna kulit buah tua bervariasi antara merah, merah terang dan merah tua. Bentuk potongan melintang buah segitiga-segitiga sempit. Bentuk biji ginjal atau bulat pipih, dengan warna biji kekuningan dan putih kekuningan.

Tanggap Tanaman Jagung terhadap Aplikasi POC Urin Sapi dan Pupuk Anorganik di Lahan Pasang Surut Tipe Luapan C Ruli Joko Purwanto; Karlin Agustina; Yursida Yursida
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 3 No. 2 (2014)
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.3.2.2014.118

The research was conducted in the village of Banyu Urip at Banyuasin district from March to June 2013. This study aimed to examine the effect of organic manure of fermented cow urine (liquid organic fertilizer/ POC) and combined with different doses of inorganic fertilizer on the growth and yield of corn land in the tidal area overflow type C. This study uses a randomized block design consisting of 5 treatment was repeated 5 times. Each treatment unit with a plot size of 1.5 m x 10 m. Treatment in this study are as follows: J0 = 100% recommended dose of inorganic fertilizer without POC cow urine; J1 = 75% recommended dose of inorganic fertilizer + POC cow urine; J2 = 50% recommended dose of inorganic fertilizer + POC cow urine; J3 = 25% recommended dose of inorganic fertilizer + POC cow urine, and J4 = 100 % POC cow urine without inorganic fertilizers. The results of fertilizer application treatments using organic and inorganic fertilizers on maize showed significant effect on all observed variables. Further test results show that the inorganic fertilizer treatment J2 = 50% of the recommended dose of cow urine + POC gives the highest yield for plant height (162.22 cm), number of leaves, corn with cornhusk weight (187.70 g), the weight of the corn without cornhusk (177.54 g), dry shelled weight (139.05 g), weight of 100 grains (30.87 g) and the number of seed rows per ear (16.60), as well as significantly different to the other treatments.

Adaptability of the Prospective of IPB Cayenne Pepper Varieties (Capsicum frutescens L.) in South Sumatra Tidal Lands Karlin Agustina; E Mareza; Yursida Yursida; M Syukur; A Maharijaya
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 11 No. 2 (2022): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.11.2.2022.568

Adaptability of the prospective of IPB cayenne pepper varieties in tidal lands of South Sumatra was carried out from July 2020 to February 2021 in Banyu Urip Village, Tanjung Lago Subdistrict, Banyuasin District, South Sumatra. The research aimed to obtain prospective varieties that potential to be developed in tidal lands. The test used a Randomized Block Design with 3 replications. The treatment consisted of 5 prospective varieties of IPB cayenne pepper (F10-145291-10-7-1- 1-2-1-3B, F11-145291-115-15-8-1-1-2-5-3B, F11-160291-3-12-5-51-1-1-2-2-B, F8-145291-14-9-3-12- 1B, F10-145174-9-71-5-3-1-2B) and 5 commercial varieties (Harita, Gennie, Bara, Lentera, Baskara) as comparing varieties. Chilli was planted on a plot of 3 m x 5 m with a spacing of 60 cm x 70 cm. The analysis of variance used the F test and the HSD follow-up test. Prospective varieties of IPB cayenne pepper F8-145291-14-9-3-12-1B, F11-160291-3-12-5-51-1-1-2-2-B and F10-145291-10-7-1-1-2-1-3B had the potential to be developed in tidal lands of South Sumatra with respective productivity of 7.89 t/ha, 7.82 t/ha and 7.21 t/ha.

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