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PENGARUH PEMUPUKAN TERHADAP PERTUMBUHAN BEBERAPA VARIETAS PADI GOGO (Oryza sativa L.)
No full textEffects of fertilization on growth of several varieties of upland rice have been studied. The experiment was arranged in a randomized complete block design, 3 x 4 factorial design with three replications. Factors studied were fertilization i.e. 100% compost, 100% inorganic fertilizers, and mixture of 50% organic and inorganic fertilizers. Upland rice varieties consisted of Cirata, Limboto, Situ Bagendit, and Situ Patenggang. Results showed that mixture of 50% organic and inorganic was the best on plant height at ages of 2, 3, 4, 5, 6, 7, 8 and 9 week after planting (WAP) and tiller numbers per hill. Meanwhile, 100% organic fertilizer was the best for flowering and harvesting ages. The best variety for plant height was Cirata and Situ Patenggang, while for tiller numbers was Situ Bagendit. There were interactions between fertilization and variety on plant height and tiller numbers. The best combination for plant height was Situ Patenggang and mixture of 50% organic and inorganic, while for tiller numbers was Situ Bagendit and mixture of 50% organic and inorganic
PERTUMBUHAN DAN HASIL TIGA VARIETAS PADI GOGO PADA PERLAKUAN PEMUPUKAN
No full textAn effort to anticipate a food crisis is to increase food production by planting upland rice in dry lands. In addition, provision of appropriate fertilizer has great potential for strengthening food self-sufficiency and for future agricultural development. The study was aimed at determining growth and yield of three varieties of upland rice under a compound fertilizer. The experiment was arranged in split plot design, consisting of three upland rice varieties and three levels of compound fertilizer. The main plot was upland rice varieties, i.e. Inpago 4, Inpago 5, and Inpago 8, while the subplot was compound fertilizer, i.e. a dose of 0 kg/ha, 150 kg/ha, and 250 kg/ha. Results showed that varieties significantly affected plant height, panicle numbers, and panicle length, but did not significant affect weight of 1000 grains and dried grain. Inpago 4 was the best variety. The best of NPK fertilizer was found at dose of 250 kg/ha
EVALUASI KERAGAMAN KARAKTER FENOTIPE BEBERAPA VARIETAS KEDELAI (Glycine max L.) DI DAERAH ACEH UTARA
No full textThe diversity of phenotypic characters of several soybean varieties were evaluated in the area of North Aceh. The study was aimed at determining the phenotypic diversity of several varieties of soybean in North Aceh. The experiment was arranged in a non-factorial randomized complete block design. Varieties consisted of six varieties of soybean, namely Kipas Merah, Gamasugen 1, Muria, Mitani, Rajabasa dan Mutiara 1. Data were analyzed using analysis of variance and followed by Least Significant Difference Test. Results showed that variety exerted high significant effect on the characters of a number of branches, number of pods, number of seeds per plant, seed weight per plant, weight of 100 grains, and grain weight per plot, but did not significantly affect plant height at 2, 3, 4, 5 week after planting and height at harvest. The highest heritability values was found at a weight of 100 seeds (0.95) and the lowest at plant height (0.28). Mutiara 1 can be used as an alternative for farmers besides Kipas Merah, because Mutiara 1 produced a high yield and had the largest seed
PENGARUH FUNGI MIKORIZA ARBUSKULAR DAN KOMPOS PADA TANAMAN KEDELAI TERHADAP SIFAT KIMIA TANAH
No full textThe aim of this research was to investigate effects of Arbuscular Mycorrhizal Fungi and compost on soil chemical properties under soybean. The research was conducted in Ude Village, Matangkuli Sub-District, Aceh Utara District, from June to November 2013. The experimental design was a factorial randomized complete block design with three replications. The first factor was Arbuscular Mycorrhizal Fungi doses, consisted of 4 levels: 0, 20, 40, and 60 g Pot-1. The second factor was compost doses, consisted of 4 levels: 0, 75, 150, and 225 g Pot-1. Variables measured were pH value, available P, and organic C soil. The results showed that compost doses gave significantly effect on pH value, available P and C-organic soil. Arbuscular Mycorrhizal Fungi doses increased the pH value, available P and organic C compared to without the fungi. There was a significant interaction between Arbuscular Mycorrhizal Fungi doses and compost doses on pH value and available P. Arbuscular Mycorrhizal Fungi dose of 60 g pot -1 and compost dose of 150 g pot-1 was able to increase the pH value. However, the best available P was found at Arbuscular Mycorrhizal Fungi dose of 60 g pot-1 and compost dose of 75 g pot-1
Status fungi mikoriza arbuskula pada berbagai sistem pengelolaan dan umur tanaman kelapa sawit
No full textStatus of Arbuscular Mycorrhizal Fungi in Different Farming Systems and Age of Oil PalmABSTRACT. A survey was conducted to determine the Arbuscular Mycorrhiza Fungi (AMF) spore population in rhizosphere soils and its root colonization of oil palm belonging to four age class (2-3months, 2 years, 7 years, and 10 years) at PTPN I Estate plantation and smallholder farmer plantation in Cot Girek Aceh Utara. The methods used were direct isolation. The result showed that there were 14 species of AMF belongs to genus Glomus identified according to spore morphology, eight species at PTPN I and six species at smallholder oil palm plantation. AMF spore density at PTPN I and smallholder oil palm was 17.35 and 17.80 spore per 50g soil, respectively. Oil palm at 7 years old resulted in better AMF population, i.e. 53,7 spore per 50 g Soil. AMF colonization at oil palm rhizospere in both farming systems were low, i.e. 5.4% (PTPN I) and 2.9% (smallholder). Farming system and age of oil palm influenced the AMF population and root colonization, Spore density did not positively correlate with root colonization at different farming systems and age of oil palm
Karakteristik koleksi plasma nutfah padi berdasarkan viabilitas dan vigor benih
No full textCharacteristics of Germplasm Collection Rice Based on Viability and Seed VigorABSTRACT. This research aims to investigate the characteristics of rice germplasm collection based on viability and seed vigor. The experimental design used in this research is completely randomized design (CRD) non factorial with three replications. Treatment rice genotypes consisted of 23 superior genotypes, 15 genotypes glutinous and 87 nonglutinous genotypes. This research was conducted at the Laboratory of Seed Science and Technology Faculty of Agriculture, Syiah Kuala University of Banda Aceh, from February to April 2014. The results showed that the genotype were highly significant effect on growth potential, rate of germination, vigor index, speed of growth, simultaneity grow and the time required to reach 50% germination (T50). The viability and vigor seed of superior genotypes best found in genotype IPB 3S and Kencana Bali. The best glutinous genotypes found in genotype Lekat Kumbob, Pulut Simanik and Pulut Merah. The best non-glutinous genotypes found in genotype Siputeh, Kuku Balam and Pade Sialek
Penampilan fenotipik, parameter genetik karakter hasil dan komponen hasil tanaman melon (Cucumis melo)
No full textPhenotypic Appearance, Genetic Parameters for Yield Character and Yield Component of Melon (Cucumis melo)ABSTRACT. This study aims to identify the magnitude of predictive value in population genetic parameters melon genotypes . The design used in this study is a randomized block design pattern of non- factorial with 3 replications consisting of 6 treatments genotype extent that Sky Rocket , Action , Amanta , Glamour , Red Aroma , and Apollo , thus there are 18 experimentals. Observed were fruit length , fruit diameter , the largest fruit weight, the smallest fruit weight , fruit weight, and fresh fruit weight / hectare . The results showed that the genotype Glamour shows the best result of the appearance of the character fruit diameter , the smallest fruit weight , fruit weight, and fruit weight / hectare with a potential yield reached 7.25 tons / ha . Predictive value of genetic parameters of yield and yield component characters of melon plants showed that the coefficient of genetic diversity ( KKG ) criteria classified into low , whereas in the broad sense heritability classified into high criteria . Character crop yield and yield components of melon also showed predictive value of genetic correlations ranging from correlation is not real , very real to real . The character of the fruit weight is positive and highly significant correlation with the characters : ( 1 ) the largest fruit weight with r = 0.829 ** and ( 2 ) the weight of fresh fruit per acre with a value of r = 1.00 **
PENGARUH JENIS BAHAN ORGANIK TERHADAP PERTUMBUHAN DAN HASIL DUA VARIETAS TOMAT (Lycopersicum esculentum Mill L.)
No full textThis study was aimed at determining type of organic material suitable for the growth and yield of two varieties of tomatoes and the interaction between the two factors. This experiment was conducted at the experimental field of the Agriculture Faculty, Syiah Kuala University, Darussalam, Banda Aceh. The experiment was arranged in a randomized complete block design, 4 x 2 with three replications. There were two factors investigated: organic material consisting 4 levels (control, manure, compost peat, and compost), varieties consisting two levels (Permata and Lentana F1). Variables observed were height and stem diameter, fruit weight per plant, number of fruits per plant, number of bunches per plant, number of fruits per bunch, average weight per fruit and yield potential. The results showed that the type of organic material highly significantly affected plant height and stem diameter at the ages of 30 and 45 days after planting, fruit weight per plant, number of fruits per plant, and significantly affected plant height at the age of 15 HST but did not significantly affect the number of bunches per plant, number of fruits per bunch, average weight per fruit and yield potential. Growth and yield were better at manure compared to compost, peat compost, and control. Varieties significantly affected stem diameter at the age of 15, 30 and 45 days after planting, fruit weight per plant, number of fruits per plant, number of bunches per plant, number of fruits per bunch, average weight per fruit and potential results. Growth and yield were better found in varieties Permata. There were significant interactions between types of organic materials and varieties in all observed variables on growth and yield of tomato
DAMPAK NAUNGAN TERHADAP PERUBAHAN KARAKTER AGRONOMI DAN MORFO-FISIOLOGI DAUN PADA TANAMAN KEDELAI (Glycine max (L.) Merrill)
No full textShade is one of the obstacles in the cultivation of soybean crops in intercropping systems. This study was aimed at determining the change in the characters of agronomic and morpho-physiological leaves of soybean plants due to shade. The experiment was conducted at the Experimental Farm of Agriculture Faculty, Teuku Umar University Meulaboh in West Aceh, from August to November 2013. The experiment was arranged in a split plot design with three replications, where subplot (varieties: Anjasmoro, Kipas Merah Bireun, Grobogan, Burangrang, Sinabung, Kaba) was nested in the main plot (shade: without shade, 25% and 50% shade). The results showed that the shade and varieties exerted high significant effects on changes in agronomic characters and morpho-physiological leaf variables, except 100-seed weight and ratio of chlorophyll a/b which were not affected by shade and the amount of chlorophyll b and the ratio of chlorophyll a/b not affected by varieties. Interactions between shade and varieties were highly significant on changes in agronomic characters, except variables 100-seed weight
PROFIL KARAKTER TANAMAN PADI POPULASI BULK GENERASI F4 PADA KONDISI KAHAT HARA NPK
No full textHigh dependence of rice farming on chemical fertilizers has an adverse impact on environment and the economy. Thus, it is necessary to develop varieties that are tolerant to low nutrient conditions. This experiment was arranged in a randomized block design with a total sample of 88 plants. The results showed that grain weight per panicle was the variable that has the highest diversity, followed by the number of leaf chlorosis per productive tillers and number of panicles. Plant height was a variable that has the lowest diversity. Moreover, the number of panicles showed significant positive skewness, which indicates that the number of panicles have complementary gene interaction. Plant height, number of leaf chlorosis per productive tiller, and number of panicles had positive kurtosis values, which indicate that these variables are controlled by a few genes. In contrast, grain weight per panicle, number of tillers, and the number of leaves had negative kurtosis values, which indicate that these variables are controlled by many genes. F4 bulk population gave 32 clusters, which indicate that this F4 population has a high variation among individuals