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Journal : Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

Penciri Sifat Agronomik Kedelai yang Dapat Beradaptasi di Lahan Basah Nurlianti, ,; Mugnisjah, Wahju Qamara; Bintoro Djoefrie, Muhammad Hasjim Bintoro Djoefrie Hasjim; Sjamsudin, Endang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 2 (2003): Buletin Agronomi
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 (1871.307 KB) | DOI: 10.24831/jai.v31i2.1465

Abstract

Arable land-use conversion into activities of non-agricultural production may encourage the use of wet region for soybean production. In this respect, a research on the adaptability of 25 soybean varieties to saturated soil has been conducted in the field. A randomized complete block design with 3 replicates was used in this experiment. Results of the experiment showed the adaptability differences among the 25 soybean varieties tested. Based on their yield, soybean adaptability to saturated soil condition was not related to plant growth type, but could be influenced by plant age. With an exception for Tidar (a high yielding variety belonging to the intermediate age), the late varieties produced highe  yield than that of the intermediate ones. It was concluded that the varieties belonging to high yielding ones were  characterized by the existence of positive correlation of pod number with nodule number and relative growth rate and of nodule number with relative growth rate and leaves area index. Key words: Soybean, Adaptation, Saturated soil, Agronomic traits
PEMILIHAN BAHAN PEMULIAAN JAGUNG UNTUK PEMBENTUKAN VARIETAS UNGGUL DISKRIMINATIF TUMPANGSARI: PADI + JAGUNG + UBIKAYU DI LAHAN KERING.II. STABILITAS RELATIF BASIL BIJI PIPILAN KERlNG Bari, Abdul; Sjamsudin, Endang; Subandi, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 26 No. 2 (1998): Buletin Agronomi
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 (1176.198 KB) | DOI: 10.24831/jai.v26i2.1589

Abstract

Intercropping of maize, rice and cassava is commonly practiced by subsistent farmers on rainfed agriculture in Indonesia. In general, grain yield (if maize in intercropping is lower than in monoculture sole crop. This due to the fact that maize varieties planted in intercropping was bred and selected under elite, monoculture crop environment. Field experiments to evaluate grain yield relative stability (if the three selected maize breeding materials planted in association with rice and cassava were carried out In Pekalongan (Lampung), December 1994 - September 1995. All three breeding materials are relatively stable in respect to grain yield. Individual selection in MC-1 population will be practiced in association with rice and cassava.
PEMILlHAN BAHAN PEMULIAAN UNTUK PEMBENTUKAN VARlETAS UNGGUL DISKRIMINATIF TUMPANGSARI: PADI + JAGUNG + UBlKAYU DI LAHAN KERING. I HASIL BIJI KERING JAGUNG Bari, Abdul; Subandi, ,; Sjamsudin, Endang; Supriyanto, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 23 No. 3 (1995): Buletin Agronomi
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 (1185.706 KB) | DOI: 10.24831/jai.v23i3.1632

Abstract

Intercropping of Maize, Rice and Cassava is commonly practiced by subsistent farmers on upland agriculture in Indonesia. In general, grain yield of maize under intercropping is very much lower than under monoculture crop. This due to the fact that the variety of maize planted under intercrop was bred and selected under elite, monoculture crop condition. Three field experiments to screen maize breeding materials planted in association with rice and cassava were carried out in Pekalongan (Lampung), October 1993 - November 1994. Three out of 29 entry of maize were selected, MC-1 (optimistic), Wiyasa (neutral) and ICS1 Arj15F (pessimistic). Performance test on grain yield relative stability for three selected materials have to be done before practicing any form of improvement by means of selection.