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Evita Evita
Fakultas Pertanian, Universitas Jambi
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Physics Public Health Other

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Journal : Bioplante

 1 
PENGARUH NAUNGAN TERHADAP KANDUNGAN NITROGEN DAN PROTEIN DAUN SERTA PERTUMBUHAN DAN HASIL TANAMAN KEDELAI (The Effect of Shading to Nitrogen and Protein Contents, The Growth and Yield of Soybean Plants) Nerty Soverda; . Evita; . Gusniwati
Bioplantae Vol. 1 No. 1 (2012): Bioplantae
Publisher : Bioplantae

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Abstract

One way to improve the productivity of soybean grown as an intercropping plant in the standing area is to develop soybean varieties that are tolerant to shade. This experiment aimed to discover the physiological characteristics in soybean varieties that are tolerant to shade.The results showed that the significant physiological characteristics that determine the level of the soybean tolerance to shade are nitrogen and protein contents.The increasing of nitrogen and protein contents was higher in the tolerant varieties than those of sensitive varieties. Shade treatments affected seed weight. The soybean yield on the 50% shade decreased by 23.11% in the tolerant varieties, and about 27.63% decreased in the sensitive varieties. The yield decrease was lower in tolerant varieties compared to the sensitive varieties. This result was supported by the lower reduction in empty pods.Mechanism of tolerance to shade on soybean plant is characterized by the increase of nitrogen and protein contents. In addition, higher yields on tolerant varieties supported by high pods contain and low empty pods.Key words: Soybean, nitrogen and protein contents.
PERTUMBUHAN DAN HASIL KACANG TANAH (Arachis hypogaea L.) PADA PERBEDAAN TINGKATAN KANDUNGAN AIR (Growth And Yield Of Peanuts At Different Water Level) . Evita
Bioplantae Vol. 1 No. 1 (2012): Bioplantae
Publisher : Bioplantae

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This study was aimed to determine the response of peanut to some extent water, the level of water content and water needs best influence on the growth and yield of peanut crops. Experiment was arranged in a completely randomized design (CRD) with one factor, namely the provision of water that consists of five levels, namely the provision of water to the conditions of 25%, 50%, 75%, 100% and 125% field capacity. The variables measured were plant height, days to flowering, canopy dry weight, number of pods containing the number of empty pods, 100 seed weight and seed yield crop.The results showed that the water level significantly affected plant height, days to flowering, canopy dry weight, number of pods containing the number of empty pods, 100 seed weight and seed yield crop. The level of water to the 100% field capacity conditions provides growth and yield of groundnut crop was best.Key words : Peanuts, water content, water level
PENGARUH NAUNGAN TEHADAP KERAPATAN STOMATA DAN TRIKOMA DAUN SERTA PERTUMBUHAN DAN HASIL DUA VARIETAS TANAMAN KEDELAI (Glycine max (L) Merril) (Effect of Shade on Stomatas and Trichomes Density and Growth of Two Soybean Varieties) Hutami Indah Pratiwi; Nerty Soverda; . Evita
Bioplantae Vol. 1 No. 3 (2012): Bioplantae
Publisher : Bioplantae

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Abstract

Development of soybean plants under intercropping standing crops often face many obstacles. Constraints faced by the plants grown in the area under the auspices of the stand, the light intensity is low stress. Stomata and leaf trichomes are character identifier for the adaptation of soybean plants that are in shaded conditions. This study aims to determine the interaction effect of varieties of the shade and density of stomata and leaf trichomes and growth and yield of two varieties of soybean plants. This experiment using split plot design (Split plot) with factorial pattern consisting of 2 factors. The first factor as the main plot (main plot) is a shade (N) which consists of two levels, namely without shade (N0) and 50% shade (N1). Both as a subplot factor (sub plot) is soybean varieties (V) consists of Petek (V1) and Jayawijaya (V2). The data obtained were then processed statistically by analysis of variance, followed by further testing LSD at α = 5% level. Other variables were observed between the density of stomata on the leaf surface, the surface density of trichomes on leaves, total leaf area, number of primary branches, number of pods per plant, number of pods per plant contains, and weight of 100 seeds. The final conclusion is that, 1) decrease low light intensity affect the stomata density and density of leaf trichomes and growth and yield of soybean. Treatment with 50% shade provision increasing the density of trichomes on the surface of soybean leaves but lower total leaf area, number of primary branches, stomatal density on the surface, number of pods per plant, number of pods per plant and weight contains 100 seeds. 2) Provision of shade 50% less likely to cause a low density of stomata and trichome density were higher in tolerant varieties (Petek) compared to susceptible varieties (Jayawijaya). 3) Testing the correlation coefficient between the variable density of stomata and trichomes with variable density growth and yield of soybean showed that the absence of the relationship between the main variables and variable growth or results.Keywords: Soybean, shade, Stomata, trichomes
PENGARUH TEPUNG DAUN CENGKEH TERHADAP PERTUMBUHAN DAN HASIL TOMAT ORGANIK Evita .
Bioplantae Vol. 1 No. 2 (2012): Bioplantae
Publisher : Bioplantae

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The aimed of this research to exmaine  of  the effect of colve  leaves powder on the growth and yield of organik tomatoes. This research was cunducted  in Randomized block design, with five treatments of cinnamon powder dosage and four replication. The cinnamon powder dosage  are, c0 =  0.0 g plot-1 , c1 =  250.0 g plot-1, c2 =  500.0 g plot-1 , c3 =  750.0  g plot-1, c4 = 1000.0 g plot-1 . The parameters observed are plant height,  time of flowering and fruitset, root dried  weight, plant dried  weight and plant yield. The result showed that, there no signicantly differences between treatment on growth parameter. The significantly effect only achived on yield component. The highest tomatoes yield and the number of tomatoes was achieved at dosages  500.0 g plot-1colve  leaves powder   Key words : Leaves powder, tomato, organic
Co-Authors Ardiyaningsih Puji Lestari Gusniwati , Hutami Indah Pratiwi Jasminarni Jul Andayani Meli Megawati Miranti Sari Fitriani Nerty Soverda Trias Novita