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PENGARUH INTERVAL WAKTU PEMBERIAN PUPUK ORGANIK CAIR ENVIRO TERHADAP PERTUMBUHAN DAN HASIL DUA VARIETAS MENTIMUN (Cucumis sativus L.)
No full textThis study was aimed at determining appropriate time interval of providing liquid organic fertilizer Enviro to growth and yield of two varieties of cucumber and interaction betweenthe time interval and the variety. The experiment was carried out on flood plain of Krueng Lamnyong, Shiah Kuala Sub District, Banda Aceh from November 2008 to January 2009, using a factorial randomized complete block design 4x2 with three replications. Factors studied were time interval of providing liquid organic fertilizer Enviro, consisting of 4 levels ( 5, 7, 9 and 11 days and varieties, consisting of 2 levels (local varieties and Hercules 56). Variables observed were plant height, fruit numbers, fruit length, fruit diameter, and fruit Weights. Results showed that the time interval of providing liquid organic fertilizer Enviro did not affect plant height at age of 10, 20, and 30 days after planting (DAP), the number, length, diameter and weight of cucumber fruits harvested for 4 times. On the other hand, variety exerted significant effects on plant height at age of 10, 20 and 30 DAP, the number, length and weight of fruits, but did not exert a significant effect on fruit diameter. The best growth and length of cucumber fruits were found on varieties Hercules 56, while the number, diameter and weight of fruits of four Time harvest were found on local varieties. There was no significant interaction between time interval and variety on all variables observed
PENGARUH JENIS MULSA DAN KONSENTRASI PUPUK ORGANIK CAIR SUPER BIONIK TERHADAP PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium ascalonicum L.)
No full textThe study was aimed at determining effect of mulch type and concentration of liquid organic fertilizer Super Bionic on growth and yield of onion. The experiment used a randomized complete block design (RCBD) 3x3 with 3 replications. There were 2 factors investigated, 1) type of mulch consisting of 3 levels: straw, burned husk, and water hyacinth and 2) concentration of organic liquid fertilizer Super Bionic consisting of 3 levels: 2 cc/L of water, 4 cc/L of water and 6 cc/L of water. The results showed that the type of mulch significantly affected the number of tubers per hill, but did not exert significant effects on plant height and number of tillers at ages 15, 30 and 45 days after planting (DAP), wet weight of tuber per hill and dry weight of tubers per hill and potential yield. Growth and yield of onion tended to be better at water hyacinth mulch. Concentration of liquid organic fertilizer Super Bionic significantly affected the number of tillers at age 15, 30 and 45 DAP and dry weight of tuber per hill, but did not exert significant effects on plant height at age 15, 30 and 45 DAP, the number of tubers per hill, wet weight of tuber per hill and potential yield. Better growth and yield were obtained at concentrations 2 cc/L of water. There was no significant interaction between type of mulch and concentration of liquid organic fertilizer Super Bionic
TOKSISITAS EKSTRAK DAUN Lantana camara L. TERHADAP HAMA Plutella xylostella L.
No full textToxicity n-hexane leaf extract Lantana camara and its active fractions were evaluated for their insecticidal activit ies against Plutella xylostella larvae. The method included sample extraction, fractionation, and toxicity examination of leaf extract L. camara and its active fractions against P. xylostella larvae. The extracts were applied by residue method. Fractionation of active compounds from extract n-hexane was conducted by a vacuum liquid chromatography by using a stationary phase of silicate gel GF254 and mobile phase of n-hexane, etil acetate, and methanol which produced five fractions, that is fractions A, B, C, D, and E. Leaf extract of L. camara and its fractions possessed an insecticidal activity causing mortality to P. xylostella larvae. The results showed that LC50 of crude extract at 3 and 4 day after applications was 0,936 and 0,651%, while LC50 of fractions A = 0,386 and 0,178%; fractions C = 0,327 and 0,132; fractions D = 0,617 and 0,318%; fractions E = 0,622 and 0,244%
INTERSEPSI AIR HUJAN PADA TANAMAN KOPI RAKYAT DI DESA KEBET, KECAMATAN BEBESEN, KABUPATEN ACEH TENGAH
No full textThe purpose of the study was to determine the amount of rainfall interception on coffee plants, and obtain a relationship between rainfall and interception of coffee plant. The research was conducted in a coffee plantation in Kebet Village, Bebesen Sub-District, Central Aceh District. The experiment was carried out from February to March 2011. The method used in this research was a descriptive method, using direct measurements in the field. The samples of coffee plants were 4 years and 15 years old. The results showed that rainfall interception of 4 years-coffee-crop was 56.87% of the total rainfall of 82.50 mm and that of 15-year-old coffee plants was 72.12%, of total rainfall of 133.50 mm. The greater the rainfall was, the greater the interception would be, as well as the older age of the coffee plant was, the greater the percentage of interception was recorded. The average proportion of rainfall as the water passes (throughfall) was greater than the proportion of rainfall that becomes stream stems (stemflow), due to high density of leaves covering the stem. Relationship between rainfall and interception on coffee plants was a natural logarithm equation: (1) for 4 years coffee crop, I = 3.440 ln (Pg) + 0.650 and R2 = 0.56; (2) for 15 years old coffee crop, I = 2.992 ln (Pg) + 2.371 and R2 = 0.69
PERTUMBUHAN DAN HASIL DUA VARIETAS TOMAT AKIBAT PERLAKUAN JENIS PUPUK
No full textObjectives of the study were to determine effects of organic fertilizer on growth and yield of two varieties of tomato as well as the interaction between both factors. Factors studied were 1) types of organic fertilizer, consisted of 3 levels: manure, compost and green manure and 2) varieties of tomatoes, consisted of two levels: Viccario F1 and San Marino F1. Variables observed were plant height and stem diameter at ages 15, 30 and 45 days after transplanting (DAT), fruit numbers, and fruit weight for 5 times of harvest. The results showed that types of organic fertilizer exerted significant effects on plant height at age of 15 and 30 DAT, plant stem diameter at age 15 and 30 DAT, fruit numbers and fruit weight. The best growth of tomato was on green manure. Varieties also exerted significant effects on plant height at ages 15, 30 and 45 DAT, stem diameter at ages 30 and 45 DAT, fruit numbers and fruit weight, but no significant effect on stem diameter at age 15 DAT. The best growth and fruit numbers wer found at Viccario, while the highest fruit weight was found at variety San Marino. There was a significant interaction between types of organic fertilizer and tomato varieties on plant height at age 45 DAT, but no significant interaction on other variables. The best plant growth was found at the combination of Viccario-manure
PENGARUH JENIS PUPUK ORGANIK DAN VARIETAS TERHADAP PERTUMBUHAN DAN HASIL TANAMAN CABAI (Capsicum annum L.)
No full textThis study was aimed at determining effects of organic fertilizer types and varieties on growth and yield of pepper and interaction between both factors. The research was conducted at Experiment Station of Agriculture Faculty, Syiah Kuala University, Darussalam Banda Aceh, from June to October 2010. The experiment used a randomized complete block design (RCBD), 3 x 2 with three replications. Factors studied were types of organic fertilizer, consisting of compost and cow manure and varieties, consisting of TM-999 and local varieties. Variables observed were plant height at ages of 15, 30 and 45 days after planting (DAP), number of productive branches, number of fruits per plant, fruit weight per plant, yield per plot and production per ha. Results showed that there was no significant interaction between organic fertilizer types and varieties on all observed variables. Organic fertilizers did not significantly affect plant height at ages of 15, 30 and 45 DAP, productive branches at age of 75 DAP, number of fruits per plant, fruit weight per plant, yield per plot, and yield per ha. Varieties significantly affected plant height at age of 30 DAP, number of fruits per plant, but did not significantly affected plant height at ages 15 and 45 DAP, number of productive branches at age of 75 DAP, fruit weight per plant, yield per plot, and yield per ha
AKSERELASI PERTUMBUHAN STUMP JATI (Tectona grandis L.f.) DENGAN PEMOTONGAN BATANG DAN INOKULASI MIKORIZA
No full textA study was carried out to attempt accelerating growth of teak stump by stem cutting and inoculation of Mycorrhiza. Three months-old-seedlings of teak were cut and inoculated with mychorryza. Results of the study showed that growth of teak stump, including stem height, plant height, stem diameter, numbers of leaves, length of leaves, and fresh weight of the teak plant were significantly affected by cutting stem and inoculation of Mycorrhiza. We found that length of stem, length of plant, stem diameter, numbers of leaves, length of leaves were of significantly-positive responses to stem cutting. Additionally, inoculation of Mycorrhiza also successfully accelerated growth of teak stump, including stem, leaves, and biomass. This study found a non-significant interaction between the cutting stem and inoculation of Mycorrhiza. The present study revealed that the cutting stem 2.5-7.5 could be considered as the optimum treatment to enhance growth of teak stump. Moreover, inoculation of Mycorrhiza with 2.5 g/polybag was the optimum dosage to enhance growth of teak stump. The dosage of Mycorrhiza inoculation did not depend on length of cutting stem
PENGARUH PEMBUANGAN PUCUK DAN TUNAS KETIAK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN CABAI
No full textThis study was aimed to examine effects of terminal bud and auxiliary shoot removals on growth and yield of chili pepper. The experiment was arranged in a randomized complete block design (RGD) with 3 replications. Factors studied were trimming of terminal bud and trimming of auxiliary shoots. Results showed that removal of terminal bud had no effect on plant growth, represented by stem diameter (P = 0.6517) and yields, represented by the number of fruits (P = 0.9806) and length of fruit (P = 1128). Similarly, removal of auxiliary shoots also had no effect on stem diameter (P = 0.7302), number of fruits (P = 0.4210), and length of fruit (P = 0.9878)
PENGARUH CAIRAN PERASAN BEBERAPA JENIS DAUN TERHADAP PERTUMBUHAN CENDAWAN ENDOFIT Trichoderma Sp. SECARA INVITRO
No full textThe study, aimed at investigating effects of several types of leaf juice liquids on growth of endophytic fungi Trichoderma sp. in vitro has been carried out in Laboratory of Plant Pathology, Faculty of Agriculture Unsyiah, Banda Aceh. The study started with preparation of liquids squeezed from leaves of four types of plant: cocoa leaf, maranggo tree, neem, and lead tree. Experiment used a completely randomized design non faktorial, consisted of 5 treatments and 4 replications. Variables measured were incubation period of spores, spore colony diameter, spore color, and spore number. Results showed that treatment of several types of leaf juice liquid exerted a highly significant effect on incubation period and spore colony diameter of fungi Trichoderma sp. The fastest incubation period (2.25 days) and the longest colony diameter (9.00 cm) were found at juice liquid of lead tree leaves. The longest incubation period (3:53 today) was found at cocoa leaf juice likuid, while the shortest colony diameter (4.98 cm) was found at juice of maranggo tree leaves. Use of all liquid leaves in various media did not affect spore numbers, although the media with juice of lead tree leave had more Trichoderma sp. than that of other media
PENGARUH TRICHODERMA TERHADAP PERKECAMBAHAN DAN PERTUMBUHAN BIBIT KAKAO, TOMAT, DAN KEDELAI
No full textTrichoderma is a free-living fungus, commonly can be found in soil and root ecosystem. Extensively, it is capable of producing antibiotics, parasite to other fungus, and microorganism that cause diseases on plants. The objectives of the experiment were to study effects of Trichoderma on germination and growth of cacao, tomato, and soybean. The result showed that provision of Trichoderma (T. harzianum and T. virens) conidia suspension using seed submersion technique did not affect seed germination of cacao, tomato, and soybean, but significantly affected cacao root extension. Provision of Trichoderma through seed submersion on sand box germination gave a positive response to tomato plant, tolerance to cacao plant, and a negative response to soybean plant. The causing factors of difference responses varied including concentration, application techniques, and kinds of seed