Results 21 to 30 of about 1,563,321 (361)
Defining valid breeding goals for animal breeds
Abstract Background The objective of any valid breeding program is to increase the suitability of a breed for its future purposes. The approach most often followed in animal breeding for optimizing breeding goals assumes that the sole desire of the owners is profit maximization.
Robin Wellmann+3 more
openaire +4 more sources
O objetivo deste trabalho foi avaliar a diversidade genética de acessos de cacau, selecionados previamente como produtivos e resistentes à vassoura-de-bruxa na Bahia, e estudar suas inter-relações com genótipos no banco de germoplasma. Amostras de DNA de
Jeiza Botelho Leal+5 more
doaj +1 more source
Viability of earthworm breeding for one, two and three months in soil treated with different concentrations of polluted water [PDF]
This study is conducted to know the of effect of breeding earthworm for month , two month and three month in soil polluted with the concentration 25,50, 75, 100% of polluted water on its viability. The treatment reduce rate of specificgrowth ratio and it
Safaa Mahmoud, Adnan mohammed
doaj +1 more source
Meiotic behavior in apomictic Brachiaria ruziziensis × B. brizantha (Poaceae) progenies
Hybrids combining desirable traits from divergent parents are the main objective of some Brachiaria (Syn. Urochloa P. Beauv.) breeding programs. There is great interest in the development of apomictic hybrid cultivars that combine desirable genes such as
Veridiana Aparecida Fuzinatto+2 more
doaj +1 more source
Genetic Resistance of Lactuca spp. against Fusarium oxysporum f. sp. lactucae Race 1
Fusarium wilt of lettuce is caused by the pathogen Fusarium oxysporum f. sp. lactucae (Fol) and is a growing threat to global lettuce production. Fol was first detected in Florida in 2017 and was subsequently confirmed as race 1.
Jesse J. Murray+4 more
doaj +1 more source
Tolerance of arabica coffee cultivars for aluminum in nutritive solution
This work aimed to evaluate the Coffea arabica cultivars for aluminum toxicity tolerance, in modified Hoagland solution. A completely randomized design with five repetitions in a factorial 4 x 4 (cultivar x combinations of aluminum) was used.
Célia Maria Peixoto de Macedo+4 more
doaj +1 more source
Study of genetic diversity of some genotypes of iranian wild mint (Mentha longifolia L.) using ISSR marker and its correlation with dry yield and essential oil content [PDF]
Objective This study aimed to investigate the genetic diversity of different genotypes of this valuable medicinal plant under the same culture condition which can be used as an introduction to domestication, germplasm conservation, and possible cross in ...
Alireza Moshrefi-Araghi+4 more
doaj +1 more source
A plea to implement robustness into a breeding goal: poultry as an example [PDF]
The combination of breeding for increased production and the intensification of housing conditions have resulted in increased occurrence of behavioral, physiological, and immunological disorders.
Brom, F.W.A.+3 more
core +2 more sources
Breeding and exploitation of prolific breeds in Czechoslovakia
In the years 1971—1979 many experiments were conducted in order to elucidate problems of meat production increase in sheep. Ewes of native breeds (Mutton Merino = M, Improved Wallachian = I) were mated to rams of prolific breeds (Finnsheep = F, Romanov = R), producing F1 crossbred females.
Jakubec, V, Krizek, J
openaire +4 more sources
Nine tomato cultivars for fresh consumption and processing were evaluated for fruit quality at the Fruit Research Station Cluj-Napoca, Romania. The height of the fruits was between 46.7 mm (Red River) and 59.8 mm (Chico Grande), the diameter of the ...
Adriana F. SESTRAS+6 more
doaj +1 more source