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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Agrotropika
Sriani Sujiprihati
Departemen Agronomi dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance

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PENDUGAAN PARAMETER GENETIK BEBERAPA KARAKTER AGRONOMI CABAI F4 DAN EVALUASI DAYA HASILNYA MENGGUNAKAN RANCANGAN PERBESARAN (AUGMENTED DESIGN) Muhamad Syukur; Sriani Sujiprihati; Asril Siregar
JURNAL AGROTROPIKA Vol 15, No 1 (2010): Agrotropika Vol.15 No.1 2010
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (211.847 KB) | DOI: 10.23960/ja.v15i1.4242

Abstract

The objective of this research was to estimated heritability and variability of agronomic characters and yield evaluation on F4 generations of pepper. This research was conducted at Ciampea, Bogor. The experimental design used was arranged in Augmented Designs. Plant materials were 41 F4 genotypes and 2 check varieties. The result indicated that the character of plant height, dichotomus height, stem diameter, yield per plant, fruit per plant, fruit length, fruit diameter, and fruit flesh thickness had broad genetic variability and high broad-sense heritability. The character of time of flowering, time of harvest and fruit weight had narrow genetic variability and low to medium broad-sense heritability. There were 7 selected genotypes: CCA 5511-6-3, CCA 5511-6-2, CCA 5708-1-1, CCA 5520-2-1, CCA 5511-3-1, CCA 5511-8-3, and CCA 5511-2-1
Ketahanan terhadap Antraknosa yang Disebabkan oleh Colletotrichum acutatum pada Beberapa Genotipe Cabai (Capsicum annuum L.) dan Korelasinya dengan Kandungan Kapsaicin dan Peroksidase Muhamad Syukur; Sriani Sujiprihati; Jajah Koswara; , Widodo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 37 No. 3 (2009): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (179.531 KB) | DOI: 10.24831/jai.v37i3.1240

Abstract

Anthracnose is one of the most destructive pepper diseases in Indonesia. Colletotrichum acutatum has been identified as a predominant species in pepper fields of Asian countries including Indonesia. The experiment used completely randomized block design with 2 factors and 4 replications. The first factor was 14 genotypes (c-1,2,3,4,5,7,8,9,15,18,19,28,47, and 49, and the second factor was 4 isolates of C. acutatum (PYK 04, BGR 027, MJK 01, and PSG 01). Each experimental unit used 10 green pepper fruits.  Inoculation methods followed the AVRDC procedure and resistance score followed the modified procedure of Yoon method. Symptoms were evaluated five days after inoculation. Disease incidence was evaluated using Yoon method with slight modifications. The experiments showed that C-15 genotype was more resistant to anthracnose than others; C-8 and C-49 genotypes were recorded as susceptible to anthracnose. Except the three genotypes, all other genotypes were recorded as highly susceptible to anthracnose. Capsaicin content and peroxsidase activities were not correlated with resistance to anthracnose.   Key words:  pepper, resistance, anthracnose, Colletotrichum acutatum
Co-Authors , Widodo Asril Siregar Jajah Koswara Muhamad Syukur