obituary notice ... dean of the world’s living hemp breeders.
... the world's foremost expert on hemp.
... elder statesman of the exploding hemp movement.
... world-renowned expert on hemp breeding and cultivation.
... the eldest, and one of the most successful, active hemp breeders of Europe.
... hemp guru. Dr Bócsa Iván Born: Arad, July 09, 1926
Died: Budapest, May 04, 2007 1948
Fleischmann Rudolf Kompolt Institute 1970
February 15, 1949 February 15, 1949 57 years
Alfalfa – Medicago sativa L.
Sainfoin – Onobrychis viciifolia Scop. Crown wetch – Coronilla varia L. Hemp – Cannabis sativa L. “Energy grass” Italian hemp
Fleischmann = = F-kender (1923)
Fleischmann Rudolf 1920 • biology of flowering • photoperiodism • heterosis (F-kender x Kymington (USA) Italian hemp
Fleischmann = = F-kender (1923) Reconstruction (1951)
Bócsa (1951-): fiber content increase Fleischmann Rudolf 1920 Kompolti by Bredemann method • biology of flowering (1954) • photoperiodism • heterosis (F-kender x Kymington (USA) preservation breeding
Czechoslovakia, Bulgaria, Romania, Yugoslavia ... 1995- : Holland, Austria England, Germany, Switzerland Kompolti Kínai
B-7 F1 + 23% straw yield 1954 + 18% fiber yield
Breeding of F1 cultivar-hybrid hemp (Bócsa, 1950-) Ukrainian monoecious
CENTRAL SOUTHERN ASIATIC RUSSIAN dioecious monoiecious dioecious and unisexual TRANSITIONAL
French monoecious an hybrids
Hemp ecological form groups Kínai Fibrimon 21 (dioecious)
F1 Kinai Backcross
BC1 Kínai
Kínai (monoecious)
Breeding of monoecious hemp (Bócsa, 1953-1960) Dioecious (SE Europe) “Hemp evolved as a dioecious form over thousands of years....” “... The superiority of dioecious hemp ... is a biological axiom” I. Bócsa
inbreeding depression
Monoecious (France, Ukraina...) “Monoecious hemp is ... an artificial construct that cannot exist without the aid of humans” I. Bócsa dioecious monoecious female
unisex + 70-90 % higher seed yield
60-70% female + 10-20% monoecious + 5-10% male
Breeding of unisexual hemp (Bócsa, 1955-) Kompolti Fibrimon 21 dioecious (French) female
Uniko-B F1 seed production (unisex)
60-70% female + 10-20% monoecious + 5-10% male
Uniko-B F2 fiber production (1965)
50% male : 50% female)
Breeding of unisexual hemp (Bócsa, 1955-) Kinai Kínai dioecious monoecious
Kinai Kompolti unisex
Kompolti hibrid TC (1983)
THC: 0.4-0.5%
Breeding of B-7 F1 hybrid hemp using unisexuality (Bócsa, 1970-) Finnish early Italian late
Helle Stengel Kompolti (Hoffmann)
spontaneous yellow-stemmed mutant
BC1 Kompolti Backcross
Kompolti sárgaszárú (1971) Breeding of yellow stemmed hemp (Bócsa, 1970-)
Kinai Kínai dioecious monoecious
Kinai Kompolti unisex sárgaszárú
Fibriko (1989)
THC: 0.3-0.4% & finest and strongest fiber
Breeding F1 hybrid hemp using unisexuality (Bócsa, 1970-) Ornamental hemp cultivar ‘Panorama’ seed crop fibre crop Company “Fibro-Seed” (Bócsa Iván & Bata Sándor) Application of Bredemann’s method for increasing the fiber content (Bócsa, 1950-) Breeding for low THC “Kompolt method” (Bócsa, 1980’s-)
... the production of hemp that contains absolutely no THC is biologically inconceivable because THC plays an important, though not well understand, role in plant development”. I. Bócsa Resistancy to Psilloides attenuata (Bócsa, 1954) Selection for high seed oil content in hemp (Bócsa, 1996-) Törjék, O., Bucherna1, N., Kiss, E., Homoki, H., Finta-Korpelová, Z.,
Bócsa, I., Nagy, I., Heszky, L.:
Novel male-specific molecular markers (MADC5, MADC6) in hemp.
EUPHYTICA, 127(2): 209-218, 2002. International Hemp Conference, Kompolt, 28-31. July 1970.
M. Arnoux, J.P. Mathieu, W. Hoffmann, G. Venturi, V. G. Virovets BIORESOURCE HEMP 97 Frankfurt am Main, Germany, February 27-March 02, 1997 Publications:
200+ publications
13 books 1962 1962 1997 1962 1997 1998 19621997 1998 2005 Hungarian Academy of Sciences
Corresponding member: 1990 Full menber: 1995
Section of Agraricultural Sciences genetics, breeding and seed production of field crops
Committee on Plant Breeding President/Honorary president Orders and Medals
1. Fleischmann Rudolf Award (1973)
2. Academy Award (1977)
3. Eötvös Loránd Award (1991)
4. Order of Merit - Member Cross (1996)
5. Széchenyi-Award (1997) Back to Awards
Fleischmann Rudolf Back to Awards
Academy Award (1977) Back to Awards
Vásárosnaményi Báró Eötvös Lóránd Back to Awards
Order of Merit - Member Cross (1996) The Hungarian Academy of Sciences in Budapest
Count István Széchenyi (1791-1860) Széchenyi Award (1997) Dr Bócsa Iván