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Joko R Witono
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PENGUJIAN PERTUMBUHAN DAN DAYA HASIL BEBERAPA GALUR TANAMAN CABE MERAH {Capsicum annuunft.) HASIL PERLAKUAN COLCHICINE Joko R Witono
BERITA BIOLOGI Vol 4, No 5 (1999)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i5.1250

Abstract

This experiment aims to examine first generation (F1) of some lines of red pepper (taosicum ann'uum L) resulted by colchicine treatments,the examinatton covering growth and yield characters.The method was Randomized Complete Block Design (RCBD) with 16 lines resulted generation combination soaking time in colchicine solution (0, A 16, and 24 hours) and the red pepper varieties (Cipanas, Bengkulu, Jatilaba, and TIT super). The best growth character is 65, and the best yield character isG16.High heritability characters (height of plant, age of blossom, length of fruit, diameter of fruit, and weight of fruit) could be chosen for selection and plant breeding programs.
BEBERAPA JENIS ROTAN DI GUNUNG CAKRABUANA, SUMEDANG, JAWA BARAT Joko R Witono; Tatang Daradjat; Samsu Sujahman
BERITA BIOLOGI Vol 6, No 6 (2003)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v6i6.1207

Abstract

Mount Cakrabuana in West Java possesses high plant diversity. Administratively, it is belong to Sumedang, Tasikmalaya, Garut,Majalengka, and Ciamis Regencies, The largest area is Sumedang (1.284,62 ha). There are 3 species of rattans found in the mountain Plectocomia elongate Mart, ex Bl., Calamus heteroideus Bl., and C. javensis Bl. Description, habitat, and the usage of the rattans is discussed.
Co-Authors Samsu Sujahman Tatang Daradjat