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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Penyuluhan Pertanian
ENDANG MURNIATI
Departemen Agronomi dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor (Bogor Agricultural University), Jl. Meranti Kampus IPB Darmaga, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Social Sciences Other

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PENGGUNAAN AGENS BIOKONTROL Bacillus polymyxa DAN Trichoderma harzianum UNTUK PENINGKATAN MUTU BENIH CABAI DAN PENGENDALIAN PENYAKIT ANTRAKNOSA* Siregar, Amelia Nani; Ilyas, Satriyas; Fardiaz, Dedi; Murniati, Endang; Wiyono, Suryo
Jurnal Penyuluhan Pertanian Vol 2 No 2 (2007)
Publisher : Politeknik Pembangunan Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (479.268 KB) | DOI: 10.51852/jpp.v2i2.228

Abstract

Biological seed treatment using B. polymyxa BG25 and T. harzianum Th05 is one ofefforts to improve seed quality and health in order to carry the seed to many places withoutspreading seedborne diseases. This study aimed to improve physical and physiological seedquality and seed health of hot pepper (Capsicum annuum L.) seed as well as eliminateseedborne pathogen caused by antracnose disease (C. capsici). The result indicates that seedtreatment with film coating carrying B. polymyxa and T. harzianum can improve physical seedquality (seeds are more attractive color and shining), physiological quality (increase ofgermination capacity, vigor index, maximum growth potential, uniform growth and dry weightof normal germination) and can reduce of percentage of C. capsici in surface or inside hotpepper seed. This method can be used to protect hot pepper seed and prevent from spreadingseedborne disease.
Perubahan Fisik, Fisiologi dan Biokimia Selama Pemasakan Benih dan Studi Rekalsitransi Benih Kemiri Sunan Tresniawati, Cici; Murniati, Endang; Widajati, Eny
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 42 No. 1 (2014): 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 (352.208 KB) | DOI: 10.24831/jai.v42i1.8157

Abstract

ABSTRACTThe aims of this research on Reutealis trisperma seed were to know 1) seed harvest maturity level based on physiological and biochemical changes; and 2) seed recalcitrancy based on critical moisture content and storability in two storage temperatures. The research was conducted at Leuwikopo Seed Science and Technology Laboratory, from February 2012 to January 2013. There were three experiments, i.e. I. Effect of seed maturity level on seed viability and vigor (randomized completely block design, 3 seed maturity level, 3 replications); II. Determination of seed critical moisture content, used two methods, i.e. 1) fan drying and 2) air drying (completely randomized design in each drying methods, 3 replications); III. Effect of temperature and period of storage on seed viability and vigor (nested design, first factor was 2 storage temperature and the second factor was 7 storage periods, 3 replications). The result showed that seed physiological maturity achieved in 28 weeks after flowering with morphological criteria were brownish fruit, soft fruit exocarp, brown seed testa; physiological criteria was germination percentage 76-80% and biochemical criteria was carotenoid content 0.62 µmol(g FW)-1. Carotenoid content can be used as biochemical indicator to determine fruit maturity and significantly correlated with moisture content, seed dry weight and germination percentage. Critical moisture content were 8.2-10.9%. These data suggested that seeds could be classified as intermediate. R. trisperma  seeds could be stored for three weeks in temperature 19-28 oC and RH 50-70%, with 12% moisture content used polypropilen plastic bag Keywords: carotenoid, critical moisture content, desiccation, Reutealis trisperma
Co-Authors Ali Ahkamulloh Cici Tresniawati Daniel Happy Putra Dedi Fardiaz Eny Widajati Memen Surahman Siregar, Amelia Nani Suryo Wiyono