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Sumartini -, Sumartini
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EVALUATION OF PEANUT GENOTYPES RESISTANCE TO LEAF SPOT (Cercospora personatum) AND RUST DISEASE (Puccinia arachidis) -, Sumartini
Proceeding of International Congress 2014: Challenges of Biotechnological Research in Food and Health
Publisher : Proceeding of International Congress

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Abstract

The study was conducted in the greenhouse of Malang Research Institute for Legumes and Tuber Crops,July ‐ October 2013. Twenty peanut genotypes were tested, each genotype were planted in five plastic pots(Φ = 30cm), 2 peanut seeds/pot. Inoculation of rust spore suspension (density of 20,000 spores / ml ) at 3weeks after planting by spraying it to the leaves of peanut. Rust disease observation was done by given avalue to the leaves that covered leaf spot or rust disease and refers to Subramamyam (1995 ). Out of 17 peanutgenotypes tested, one genotype was resistant (R) , 8 genotypes were moderately resistant (MR), 8genotypes were moderately susceptible (MS) against leaf spot disease. Moreover three genotypes wereresistant (R), three genotypes were moderately resistant (MR) , 10 genotypes were moderately susceptible(MS) , and one genotype was susceptible (S) against rust diseases.Keywords: peanut, leaf spot and rust disease, resistance.
SCREENING OF SOYBEAN GERMPLASM COLLECTION RESISTANCE TO RUST DISEASE (Phakopsora pachyrhizi) -, Sumartini
Proceeding of International Congress 2014: Challenges of Biotechnological Research in Food and Health
Publisher : Proceeding of International Congress

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Abstract

Rust disease is an important disease on soybean, it was widely distributed in almost all soybeanproducing countries, the yield losses can be reach 85 %. One of the control measured is planting theresistant varieties. Resistant gens of one character can be obtained from the germplasm collection. Thestudy aiar to evaluate the resistance of soybean germplasm collection against rust diseases. The study wasconducted at Kendalpayak experimental station, Indonesian Legumes and Tuber Crops ResearchInstitute, in June to September 2013. Materials used were 175 genotypes of soybean germplasm collection.Observations of rust disease resistance based on the method of International Working Group on SoybeanRust system. The results showed that out of 175 soybean genotypes tested, 162 genotypes were moderatelyresistant, 12 genotypes were moderately susceptible , and one genotype was susceptible to rust disease.Keywords: soybean , rust disease, resistance.
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