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All Journal Bioscience Buletin Palawija Bioedukasi: Jurnal Pendidikan Biologi AGRIVITA, Journal of Agricultural Science BIOEDUKASI Buletin Palawija
Heru Kuswantoro
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Library & Information Science

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Journal : BIOEDUKASI

 1 
Effect of Gibberellin Doses on the Morphologhy of Soybean Strains Infected with Bemisia tabaci Dyah Kusuma Wardhani; Siti Zubaidah; Heru Kuswantoro
BIOEDUKASI Vol 15 No 2 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i2.6932

Abstract

This study aimed to determine the effect giberelin doses on the morphology of several soybeans strains (UM.4-1, UM.7-2, UM.2-4, UM.7-6, UM.6-2 , Gumitir and Wilis) which have been attacked by Bemisia tabaci. Research was conducted at Research Station, Indonesian Legume and Tuber Crops Research Institute, Malang. The design of the study was a complete split plot randomized block design. Spraying gibberellin on 35 days old (35 HST) after-planting soybean with variation dose of giberellin were 0 ppm, 25 ppm, 50 ppm and 75 ppm. Morphological observation was carried out on leaf length, leaf width, leaf area, ratio of leaf, petiole length, leaf shape, color of hipocotyl, rod coat color, the color of ripe pods and flower color. Data were analyzed using 2 ways Anova. The results showed that there was a difference in treatment’s effect against leaf width, leaf ratio, leaf area and petiole length of soybeans but no effect of dose variation on soybean leaf length. There is the effect of the combination treatment (soybean strains and dosage) of the leaf width, leaf ratio, leaf area and petiole soybeans but there is no effect of combination treatment on soybean leaf length. There is the influence of lines on the leaf width, leaf area and ratio, but there is no influence on the long soybean lines of soybean leaf and petiole). Keywords: Gibberelin, Bemisia tabaci, Morphology, Soybean
Effect of Nitrogen Dosage (N) on Morphology of Soybean Strains (Glycine max (L.) Merr) Hold Bemisia tabaci Endrik Nurrohman; Siti Zubaidah; Heru Kuswantoro
BIOEDUKASI Vol 15 No 2 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i2.6931

Abstract

Nutrients are needed by plants for the growth process and development. One crucial nutrient is nitrogen. Nitrogen triggers the formation and growth of vegetative parts of plants such as roots,stems and leaves. This study aimed to determine the effect of nitrogen dose against Glicine max. L strains UM.4-1, strains UM.7-2, strain UM.2-4, strains UM.7-6, strain UM.6-2, and two varieties namely Gumitir and Wilis resistant Bemisia tabaci. This experimental research was using a completely randomized block design with 4 treatment doses of nitrogen, 0 g, 25 g, 75 g and 100 g/polybag combined with 0,55g of potassium and phosphate 0,917g/polybag. The variables measured were length of petioles, the leaf ratio, leaf length, width and leaf area. Observations was carried out based on soybean lines, dosage, and a combination of both. Data were analyzed using 2-way ANOVA. The results showed that there were significant different in the lenght of petiole, leaf ratio, leaf length, width and leaf area on different strains of Glicine max. L. There was also the effect of different treatments (doses) on the length of petiole, leaf ratio, leaf width and leaf area but no significant effect on leaf length. Combination of treatments showing there were effect on the length of petiole, leaf ratio, leaf length and width and also on leaf area. Keywords: Nitrogen, morphologycal character, Glicine max.L.
Co-Authors D. M. Arsyad Dyah Kusuma Wardhani Endrik Nurrohman IRWAN WIJAYA Nur Basuki Nur Basuki Siti Zubaidah Suhartina Suhartina Tri Andri Setiawan