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All Journal HAYATI Journal of Biosciences AGRIPEAT
YUSURUM JAGAU
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Engineering

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PEMATAHAN DORMANSI BENIH KELAPA SAWIT (Elaeis guinensis Jacq.) MENGGUNAKAN KALIUM NITRAT (KNO3) DAN AIR KELAPA Sinaga, Kaliamsyah; Hastin Ernawati Nur CC, Chotimah; Jagau, Yusurum
AgriPeat Vol. 22 No. 01 (2021): JURNAL AGRIPEAT VOLUME 22 NO. 01 MARET 2021
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v22i01.3307

Abstract

The aim of this study were, 1) to find out and study the effect of KNO3 immersion treatment on oil palm seed germination; 2) to find out and study the effect of coconut water immersion treatment on oil palm seed germination; 3) to find out and study the interactions that occur between KNO3 immersion treatment and coconut water to oil palm seed germination. This research was conducted in July 2019 until August 2019 in the Laboratory of the Department of Agriculture Cultivation, Faculty of Agriculture, Palangka Raya University using a Completely Randomized Design with 2 factors. The first factor is the concentration of KNO3: K0 (0%); K1 (0.2%); K2 (0.4%); K3 (0.6%) and the second factor is coconut water concentration, B0 (0%); B1 (60%); B2 (80%); B3 (100%). The parameters observed were first count germination, maximum growth potential, germination power, growth speed, radicle length, plumular length and dormancy intensity. The results showed that the treatment of KNO3 concentration significantly affected first count germination, maximum growth potential, germination rate, growth speed and dormancy intensity. Treatment of coconut water concentration significantly affected first count germination, maximum growth potential, germination rate, growth speed and dormancy intensity. The interaction between the treatment of KNO3 concentration and coconut water concentration had no significant effect on all observed parameters
Genetic Parameter Estimation on Upland Rice Agronomic Characters in Ultisols through Diallel Analysis MARIA AGUSTINA; SURJONO HADI SUTJAHJO; TRI KOESOEMANINGTYAS; YUSURUM JAGAU
HAYATI Journal of Biosciences Vol. 12 No. 3 (2005): September 2005
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (58.601 KB) | DOI: 10.4308/hjb.12.3.98

Abstract

An estimate of genetic parameters was made to study the types of gene action in rice. A half diallel analysis was performed among seven rice genotypes with different genetical backgrounds, i.e. Situgintung, Jatiluhur, Gajah Mungkur, B8503E-TB-9-0-3, Krowal, CT6510-24-1-3, IR 64, and its 21 progenies. This experimental material was arranged in a complete block design with four replications. All observed characters had highly significant genotypic differences. The genetic parameters were estimated following Hayman method. The simple model of additive-dominance was sufficiently detected through the absence of nonalellic interaction. Productive tillers exhibited partial dominance. Heritability in a narrow sense was high. There was a positive correlation between grain yield and the number of productive tillers.
Co-Authors Hastin Ernawati Nur CC, Chotimah MARIA AGUSTINA Sinaga, Kaliamsyah Surjono Hadi Sutjahjo TRI KOESOEMANINGTYAS