Titlebook: Breeding Field Crops; John Milton Poehlman Book 1987 Springer Science+Business Media New York 1987 Heterosis.Mutation.Triticale.agricultur

–FER

退潮

Breeding Soybeans, fulltime soybean breeder in the United States, and as late as 1950 there were less than ten. The plant variety protection act gave incentive for private seed companies to initiate soybean breeding programs. Now over 60 plant breeders for private companies are working on variety development.

Tortuous

Memorial

Anticoagulant

Gereon R. Fink,Michael Schroeterne recombinations are obtained by hybridizing varieties, or species, with different agronomic characteristics, and then selecting in the segregating generations for the genotype, or genotypes, with the most favorable combination of the characteristics of the parent strains.

gerrymander

Inertia

闡釋

978-94-015-7273-6Springer Science+Business Media New York 1987

Confirm

Reinhard Busse MPH,Jonas Schrey?ggThe challenge of the plant breeder is to develop better varieties. In this chapter we are concerned with the methods by which new varieties of self-pollinated crop plants originate. Before we proceed into a discussion of these methods, let us consider the question, “What is a variety?”

倫理學(xué)

Breeding Self-Pollinated Crops,The challenge of the plant breeder is to develop better varieties. In this chapter we are concerned with the methods by which new varieties of self-pollinated crop plants originate. Before we proceed into a discussion of these methods, let us consider the question, “What is a variety?”