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Pertumbuhan Akar Kedelai pada Cekaman Aluminium, Kekeringan dan Cekaman Ganda Aluminium dan Kekeringan HANUM, CHAIRANI; MUGNISJAH, WAHYU Q.; YAHYA, SUDIRMAN; SOPANDY, DIDI; IDRIS, KOMARUDIN; SAHAR, ASMARLAILI
AGRITROP Vol. 26, No. 1 Maret 2007
Publisher : AGRITROP

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The objective of this research was to study the change of vegetative growth of root on some genotypes soybeanof aluminium toxicity, drought stress, and double stress (Al toxicity and drought stress). Research in rooting systemof soybean is hoped to get more attention, especially for supporting concept of new plant type for high yieldingpotential. Six genotypes of soybean (Slamet, Sindoro, Dieng, Sinyonya, Lumut, and Wilis), treated with aluminiumsaturated (Al 25%, Al 50%, and Al 75%) and field capacity (80% FC and 40% FC). Response of growth vegetativeidentified perception by root dry weight. Result of the study show that only one from six that is genotype Wiliswas tolerant at aluminium toxicity, drought stress, and double stress.

The objective of this experiment was to screen 16 soybean genotypes tolerance to double stresses of Al toxicity and drought stress. A pot experiment was conducted at Cikabayan Experimental Station of Bogor Agricultural University from January to Maret 2004. Soybean plants were grown in Gajrug ultisol soil with pH 3.9 and Al saturated 26.61 me/100 g of soil. Al toxicity and drought tolerance were measured from the root length of seedling grown in 75% Al saturation and 40% field capacity compar Chairani Hanum; Wahju Q. Mugnisjah; Sudirman Yahya; Didy Sopandie; Komaruddin Idris; Asmarlaili Sahar
Forum Pasca Sarjana Vol. 32 No. 4 (2009): Forum Pascasarjana
Publisher : Forum Pasca Sarjana

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The objective of this experiment was to screen 16 soybean genotypes tolerance to double stresses of Al toxicity and drought stress. A pot experiment was conducted at Cikabayan Experimental Station of Bogor Agricultural University from January to Maret 2004. Soybean plants were grown in Gajrug ultisol soil with pH 3.9 and Al saturated 26.61 me/100 g of soil. Al toxicity and drought tolerance were measured from the root length of seedling grown in 75% Al saturation and 40% field capacity compared to 25% Al saturation and 80% field capacity. The decrease of root length much lower at 75% Al saturation and 40% field capacity. Result of the study showed that soybean of Moket, B.3799, Malabar, Wilis, Sindoro, and Slamet were tolerant while Dieng, Sinyonya, B.3780, Sicinang, B.3578, Ceneng, Epyek, MLG 3072, and Tidar were susceptible to Al toxicity and drought stress. Key words: soybean, Al toxicity, drought stress, selection

Respon Pertumbuhan Kedelai yang Diinokulasi Mikoriza pada Cekaman Ganda Alumunium dan Kekeringan Chairani Hanum; Wahju Qamara Mugnisjah; Sudirman Yahya; Didi Soepandi; Komaruddin Idris; Asmarlaili Sahar
Jurnal Agrista Vol 10, No 2 (2006): Volume 10 Nomor 2 Agustus 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Growth Response of Soybean with Mycorrizal Inoculation at Critical Condition of Aluminium and Draying DoubleABSTRACT. High level of aluminium in acid soil can restrict nutrient and water. Arbuscular Mycorrhizal Fungi (AMF) have been shown to decrease plant yield losses in acid soil. The objective of this study was to examine the growth responses of green house-grown soy bean colonization by AMF. The experiment was conducted at Cikabayan experimental of Bogor Agricultural University from August 2003 to February 2004. Six genotypes soy bean that result of root bioassay treated by Al by saturated (Al 25 %, Al 50 %, and Al 75 %), field capacity (80 % and 40 % FC) and Inoculated by mycorrhizae (without AMF and by AMF). Root and shoot dry matter were higher in mycorrhizal than in non mycorrhizal plants.

EFEKTIVITAS BEBERAPA JENIS FUNGI MIKORIZA ARBUSKULAR TERHADAP PERTUMBUHAN TANAMAN KARET (Hevea brassiliensis Muell. Arg.) DI PEMBIBITAN The effectivity some type Arbuscular Mychorrizal Fungi on rubber (Hevea brassiliensis Muell. Arg.) growth in seedlings Perdana Roy Oksemsa Purba; Nini Rahmawati; Emmy Harso Kardhinata; Asmarlaili Sahar
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The application of chemical fertilizer is often selected by farmer to increase the rubber growth.However the uses of chemical fertilizer in process of time will bit into land fertility caused the deathof microbe in the ground and the land condition will be solid, it caused root plants can not absorb anutrition. So the application of biological fertilizer like AMF expected to replace chemical fertilizerto increase a rubber growth in continuing time. This research had been conducted in plastic house ofthe Agriculture Faculty, University of North Sumatra (± 25 m asl) from July - September 2013.Method of this research is non factorial randomized block design with 7 treatments, that is the typeof AMF spore (big black AMF spores, small black AMF spores, big yellow AMF spores, smallyellow AMF spores, black indigenous of rubber AMF spores, yellow indigenous of rubber AMFspores, spores of Glomus spp.). Parameters observed were addition of plant height, root volume,weight of dry shoot, weight of dry root and total of spores.The result showed that the addition ofsome type AMF significantly influenced total of spores, but for the other parameters influenced notsignificantly.Keywords : arbuscular mychorrizal fungi, rubber

The Effectiveness of giving some type of Mycorrhizae to Osmoregulation Rubber Plant In the Land with DroughtStress that has given an Organic Matter In Aek Godang village, Sihapas Hulu, North Padang Lawas Amir Mahmud Manurung; Asmarlaili Sahar; Hardy Guchi
Jurnal Agroekoteknologi Vol 6, No 1, Januari (2018)
Publisher : Universitas Sumatera Utara

Rubber (Hevea brasiliensis Muell. Arg) is one of the superior plantation commodities that has a huge potential in Indonesia. Rubber development is centered on the areas with rainfall 2500-4000 mm / year. In that area the rubber faces a lot of land competition issues and also the disease that need to maximize the potential of the low annual rainfall area. This research was conducted on citizen plantations in Aek Godang village, Sihapas Hulu, North Padang Lawas , on March-April 2016, aimed to test the influence of giving mycorrhiza to Osmoregulation PB260 clone rubber seedlings on lands with drought stress that has given an organic matter. This research using random sampling in non-factorial, with mycorrhiza treatment with M symbol that consists of 3 levels ; M0 = without mycorrhiza, M1 = Acaulospora 100g / plant,M2 = Glomus + Acaulospora (1: 1) 100g / plant, with each level of treatment has 9 reiteration. The Variables observed were consist of leaf water potential, osmotic pressure and turgor pressure. The results showed that the distribution of mycorrhiza has a significant effect on the improvement of leaf water potential, but it has no a significant effect on the improvement of turgor pressure of rubber plant.

The Effectivity Of Aplication Mycorrhiza Toward Absorpstion Of Nitrogen (N) and Phosporus (P) In the Land with Drought Stress That Have Been Given Organic Matter In The Village Aek Godang Districts Hulu Sihapas Regercy North Padang Lawas. Asmarlaili Sahar; Hardy Guchi
Jurnal Agroekoteknologi Vol 6, No 1, Januari (2018)
Publisher : Universitas Sumatera Utara

Rubber is one of the biggest commodity plantation featured in Indonesia. The development of the rubber is centered on the area with precipitation 2500-4000 mm/year. On the area of the rubber exposed to the many problem of competition for land and many attacks of the disease so that need to maximize the potential of the area which low rainfall. But also the area has its own problem especially absorption hara. One effort that can be to resolve the issue is the giving of mycorrhiza and organic materials to increase absorbtion hara on such plants.This research had been conducted populate plantation in the village of Aek Godang, district of Hulu Siapas, regency of Padang Lawas Utara, North Sumatera. In the month March until Juli 2016. Aimed to the test the influence of mycorrhiza toward absorption of Nitrogen (N) and Phosporus (P) the seeds application of the rubber clone PB 260 on the land with the strees of the drought that has been given organic material. Method of this research was non factorial random sampling block design with three treatments, that was M0: Without Mycorrhiza, M1: Accaulospora 100g/Plant, M2 : Glomus+Acaulospora (1:1) 100g/Plant with every treatment there was 10 replicant of the experiment showed that application mycorrhiza enhanced the increase absorption N and P compared to the not aplication mycorrhiza. Keywords : Mycorrhiza, Organic Matter, Rubber

Utilization of Actinomycetes to increase phosphate availability at different soil moisture conditions in Andisols Namanteran, North Sumatera M Reza Alfikri; T Sabrina; Asmarlaili Sahar
Jurnal Ilmu Pertanian Vol 8, No 3 (2023): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.77785

The high phosphate retention in Andisols causes the availability of P to be low, can not be absorbed by plants. Actinomycetes are capable of solubilizing bound phosphates. This research aimed to identify Actinomycetes in Andisols Namanteran, assess their ability to increase phosphate availability, and understand how they work to increase phosphate availability in this soil. The research design used a factorial randomized block design with 2 factors; factor 1 was Actinomycetes isolate, consisting of A₀ = No Inoculant, A₁ = Inoculant A₁₃₂ (vegetable crops; 32 × 10⁸ CFU mL⁻¹), A₂ = A₄₆₈ (forest plants; 41 × 10⁸ CFU mL⁻¹), A₃ = A₄₅₈ (forest plant; 58 × 10⁸ CFUmL⁻¹), A₄ = A₄₇₁ (coffee plant; 35 × 10⁸ CFU mL⁻¹), A₅ = A₄₅₉ (forest plant; 63 × 10⁸ CFU mL⁻¹), A₆ = A₃₂₁ (hibiscus plant; 37 × 10⁸ CFU mL⁻¹), and A₇ = A₃₅₆ (vegetable plant; 33 × 10⁸ CFU mL⁻¹), and factor 2 was soil water content, consisting of K₁ = 50%, K₂ = 75% and K₃ = 100% of field capacity. The results showed that the availability of P in Andisols increased due to the application of Actinomycetes from 42.46 ppm to 159.20−266.60 ppm. The population of Actinomycetes in Actinomycetes treatment ranged from 27.33−31.58 × 10⁸ CFU mL⁻¹), with a soil pH of 4.41. Water content of 100% was the best in increasing soil pH and Actinomycetes population, but not having significant effects on the available P of the soil. The results of molecular identification of Actinomycetes that have the best potential in dissolving P include A₃>A₅>A₂>A₄>A₁.

Utilization of Actinomycetes to increase phosphate availability at different soil moisture conditions in Andisols Namanteran, North Sumatera Alfikri, M Reza; Sabrina, T; Sahar, Asmarlaili
Jurnal Ilmu Pertanian Vol 8, No 3 (2023): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.77785

The high phosphate retention in Andisols causes the availability of P to be low, can not be absorbed by plants. Actinomycetes are capable of solubilizing bound phosphates. This research aimed to identify Actinomycetes in Andisols Namanteran, assess their ability to increase phosphate availability, and understand how they work to increase phosphate availability in this soil. The research design used a factorial randomized block design with 2 factors; factor 1 was Actinomycetes isolate, consisting of A₀ = No Inoculant, A₁ = Inoculant A₁₃₂ (vegetable crops; 32 × 10⁸ CFU mL⁻¹), A₂ = A₄₆₈ (forest plants; 41 × 10⁸ CFU mL⁻¹), A₃ = A₄₅₈ (forest plant; 58 × 10⁸ CFUmL⁻¹), A₄ = A₄₇₁ (coffee plant; 35 × 10⁸ CFU mL⁻¹), A₅ = A₄₅₉ (forest plant; 63 × 10⁸ CFU mL⁻¹), A₆ = A₃₂₁ (hibiscus plant; 37 × 10⁸ CFU mL⁻¹), and A₇ = A₃₅₆ (vegetable plant; 33 × 10⁸ CFU mL⁻¹), and factor 2 was soil water content, consisting of K₁ = 50%, K₂ = 75% and K₃ = 100% of field capacity. The results showed that the availability of P in Andisols increased due to the application of Actinomycetes from 42.46 ppm to 159.20−266.60 ppm. The population of Actinomycetes in Actinomycetes treatment ranged from 27.33−31.58 × 10⁸ CFU mL⁻¹), with a soil pH of 4.41. Water content of 100% was the best in increasing soil pH and Actinomycetes population, but not having significant effects on the available P of the soil. The results of molecular identification of Actinomycetes that have the best potential in dissolving P include A₃>A₅>A₂>A₄>A₁.

Intercropping Technique at a Smallholder Oil Palm Plantation in Mancang Village, Langkat, North Sumatra Muhdi; Sahar, Asmarlaili; Safni, Irda; Hanafiah, Diana Sofia
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v7i2.7974

Oil palm plantations have become an international issue as a cause of land conversion and deforestation for agricultural expansion. Utilization of land for oil palm plantations is appropriate to provide benefits to the community and residents around the plantation companies as well as to the plantation companies. Mitra, is the owner of an oil palm plantation with his address at Kwala Begumit, Langkat, North Sumatra. The area of oil palm plantations is about 6 hectares. The food crops grown are intercropped on smallholder oil palm plantations in Mancang Village, Kec. Done, District. Binjai, North Sumatra in the implementation of community service is soybean [Glycine max (L) Merr] Anjasmoro variety. In general, the implementation of service activities in the form of counseling, discussions, demonstrations and planting soybeans [Glycine max (L) Merr] Anjasmoro variety intercropped on oil palm plantations can run very well. Based on the existing problems, it is necessary to develop this activity by being carried out in communities related to smallholder oil palm plantations.

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