SVIBOR - Project code: 4-01-135

MINISTRY OF SCIENCE AND TECHNOLOGY

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Project code: 4-01-135


CREATION OF MAIZE INBRED LINES AND HYBRIDS STANDARD GRAIN QUOLITY


Main researcher: BRKIĆ, IVAN (62701)



Assistants
Type of research: applied
Duration from: 01/01/91. to 12/31/95.

Papers on project (total): 31
Institution name: Poljoprivredni institut, Osijek (73)
Department/Institute: Department for genetics and maize briding
Address: Južno predgrađe 17, p.p. 149
City: 31000 - Osijek, Croatia
Communication
Phone: 385 (0)31 559 084
Fax: 385 (0)31 126 553

Summary: When creating new maize (Zea mays L.) populations and improving the present ones, we tend to inkorporate domestic germplasms to ellite American "Corn belt" material.In this way, by applying adequate methods of combining breeding, we haveextended and improved genetic basis of the Institute's material for selection. The project is based on three genetically opposed populations: OS 57,OS 58 and OS 1 either. Each population is subjected first to mass selection for the traits of highheritability and then to recurrent selection with the application of the early test in the S3 generation. One cycle lasts for fourto five years. The best specific line combinations are applied at the Committee for futher testing and registration at the Varietal List.

Keywords: maize, population, selection, combining ability, self-pollinated lines, hybrid, yield

Research goals: The objectives are to: a) create maize (Zea mays L.) populations which are well adapted to the conditions of Eastern Croatia; b) create self-pollinated lines to be used i) for the formation of futher cycles of selection ii) for the creation of the F1 commercial hybrids. A) The following maize populations were created till 1991: i) OS 57: the populations of the "Stiff stalk" genotype consisting of the Mn AS5 and Mn AS7 synthetics, as well as of five self-pollinated OS lines that originate from domestic populations bred: Vukovarski zuban and Korićev brzak; ii) OS 68: the populations of the "Lancaster" genotype consisting of the Mn AS8 and Mn AS6 synthetics, as well as of five self-pollinated lines that originate from the OS population of Helminthisporium turcicum rez sib 64; iii) OS 1 either: the population consisting of 12 OS self-pollinated lines which are genetically opposed to the populations OS % & and OS 68. B) 650 to 700 lines a year are used in the process of self-pollination from the S0 to the S10 generation. In 1995, anew cycle, i.e. new populations will be created of the lines that originate from the above-mentioned OS populations. Aproximately 2000 to 2500 line hybrids a year were tested in field trials from 1991 to 1993; out of these, 22 hybrids were applied at the Committee and 15 hybrids have been registered at the Croatian Varietal List.


COOPERATION - PROJECTS


  1. Name of project: > Ispitivanje i zastupanje hibrida kukuruza FAO grupe 100 u Republici Mađarskoj
    Name of institution: Ontozesi kutato intezet
    City: Szarvas, Mađarska

  2. Name of project: > Ispitivanje i razmjena inbred linija te kreiranje zajedničkih hibrida kukuruza
    Name of institution: Zeainvent Trnava
    City: Trnava, Republika Slovačka

  3. Name of project: > Ispitivanje i razmjena inbred linija i kreiranje zajedničkih hibrida kukuruza
    Name of institution: Šlahtiterska stanica Topolniky, Zeainvent
    City: Topolniky, Republika Slovačka

  4. Name of project: > Ispitivanje i razmjena inbred linija i zastupanje hibrida kukuruza u Rusiji
    Name of institution: Krasnodarskij NII Seljskogo Hozjajstva Krasnodar
    City: Krasnodar, Rusija


COOPERATION - INSTITUTIONS


  1. Name of institution: Mezogazdasagi Kutatointezet Martonvasar
    Type of institution: University/Faculty
    City: Martonvasar, Republika Mađarska

  2. Name of institution: Agromag
    Type of institution: Non-profit
    City: Szeged, Republika Mađarska

  3. Name of institution: Mezogazdasagi Szovetkezet Csavoly
    Type of institution: State institute
    City: Csavoly, Rep. Mađarska

  4. Name of institution: Saatzucht Gleisdorf GmBH
    Type of institution: University/Faculty
    City: A-8200 - Gleisdorf, Austria

  5. Name of institution: University of Minnesota, Department of Agronomy and Plant Genetics
    Type of institution: Economical/Production
    City: St. Paul, Minnesota,USA

  6. Name of institution: North Dakota State University, Agronomy Department Fargo
    Type of institution: Economical/Production
    City: Fargo, North Dacota, USA

  7. Name of institution: Agricultural Research Service-USDA, Department of Agronomy and Department of Genetics, Iowa State University
    Type of institution: Economical/Production
    City: Ames, Iowa, USA

  8. Name of institution: EUCARPIA - European Association for Research on Plant Breeding
    Type of institution: State administration
    City: Wageningen, Nizozemska

  9. Name of institution: Poljoprivredni fakultet Osijek - Zavod za specijalno ratarstvo
    Type of institution: Economical/Production
    City: 31000 - Osijek, Croatia

  10. Name of institution: Agronomski fakultet Sveučilišta u Zagrebu, Zavod za genetiku i oplemenjivanje bilja
    Type of institution: Economical/Production
    City: 10000 - Zagreb, Croatia

  11. Name of institution: Institut za oplemenjivanje bilja
    Type of institution: University/Faculty
    City: 10000 - Zagreb, Croatia

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Last update: 10/02/95
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