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All Journal Biosaintifika: Journal of Biology & Biology Education Berkala Penelitian Hayati
Heru Kuswantoro
Indonesian Legume and Tuber Crops Research Institute, Indonesian Agency for Agricultural Research and Development
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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FOLIAR SYMPTOMS RECOVERY: DEVELOPING SCORING TECHNIQUE FOR ASSESSMENT OF SOYBEAN RESISTANCE TO CPMMV (COWPEA MILD MOTTLE VIRUS) Siti Zubaidah; Heru Kuswantoro
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 21 No 2 (2016): June 2016
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.171 KB) | DOI: 10.23869/82

Abstract

Soybean is a commodity that has an important role as the source of protein, but its production is affected by various factors including disease. CpMMV (Cowpea mild mottle virus) is one of the most damaging viruses that cause soybean disease. CpMMVs belong to the group of Carlavirus that are transmitted by whitefly (Bemisia tabaci). The use of CpMMV resistant plants as biological control can prevent viral diseases. Indonesia has many soybean germplasm from many regions and introduction from other countries that need to be evaluated for CpMMV. The assessment technique for soybean resistance to CpMMV is not available yet, but it is still based on other virus diseases. The specific assessment of plant resistance is important because some diseases can cause certain symptoms, depends on the resistance and the kinds of plants that are infected. This paper presents the assessment technique for soybean resistance to CpMMV infection, which can be used for various purposes and studies. One of the benefits is to find out soybean resistance to CpMMV or other objectives. This resistance assessment is not only based on leaves symptoms, but also based on the phenomenon of foliar symptoms recovery.
Genetic Variability, Heritability, and Correlation of Some Agronomical Characters of Soybean Varieties Heru Kuswantoro; Rina Artari; Wiwit Rahajeng; Erliana Ginting; Agus Supeno
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 1 (2018): April 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v10i1.11014

Abstract

Genetic diversity and inheritance of the traits determine the success of the breeding program. Analysis of genetic variability and heritability assist breeders to decide a strategy and appropriate selection criteria that will be used to repair the desired character. The purpose of this study was to obtain information about genetic diversity, heritability and correlation of nine agronomic characters of soybean varieties. The materials were 16 soybean varieties that arranged in a randomized block design with three replications. The results showed that days to flowering, number of branches per plant, number of reproductive nodes, number of unfilled pods per plant, weight of 100 seeds, and grain yield revealed broad CVG (Genetic Coeffiecient of Variance), whereas the days to maturity, plant height, number of pods per plant had a narrow CVG. CVP (Phenotypic Coeffiecient of Variance) value higher than the value of CVG on all the observed characters with a slight difference, except for grain yield. The broad sense heritability varied from low (seed yield), medium (the number of branches, number of reproductive nodes, number of pods and the number of unfilled pods), and high (days to flowering, days to maturity, plant height, and weight of 100 seeds). Characters of days to flowering and weight of 100 seeds are effectively used as selection criteria because they had a broad CVG and high heritability. Correlation of all yield components to the seed yield was not significant, and negatively correlated to weight of 100 seeds. Variety with higher plant height tended to have a higher number of branches, reproductive nodes and filled pod per plant.
Co-Authors Agus Supeno Erliana Ginting Rina Artari Siti Zubaidah Wiwit Rahajeng