000			01593nab a22003377a 4500
001			G56319
003			MX-TxCIM
008			121211b |||p||p||||||| |z||| |
022	0		_a0723-7812
040			_aMX-TxCIM
041	0		_aEn
043			_aDE
072		0	_aF30
082	0	4	_a94-075508
100	1		_aGallais, A.
245	0	0	_aBreeding methods and selection theory
260			_c1984
340			_aPrinted
500			_a3 tables; 16 ref. Summary (En)
520			_aA comprehensive strategy of varietal development appears to be with two main axes: population improvement by recurrent selection and varietal development. The aim of population improvement must be to improve the varietal ability of the population(s), i.e., the expected value of all varieties of a given type which can be derived from the populations(s). The aim of varietal development will be to extract the best possible varieties from a given generation of the breeding population(s). So it is clear that the system of testing in population improvement must be adapted to the type of variety. To develop hybrids the combining ability has to be improved, for
546			_aEnglish
591			_aBiometrics in Plant Breeding - The Fifth Meeting of the Eucarpia Section Biometrics in Plant Breeding. Stuttgart (Germany). 19-22 Sep 1984|COMOD
595			_aAC
650	1	7	_aBreeding methods _gAGROVOC _2 _91030
650	1	0	_aProgeny
650	1	0	_aSelection
650	1	0	_aTaxa
650	1	7	_aPlant breeding _gAGROVOC _2 _91203
773	0		_tVortraege fuer Pflanzenzuechtung _n94-075508 _gv. 7, p. 13-29
942			_cJA
999			_c16788 _d16788