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Pierwiastki chemiczne N, P, K, Ca i Mg, jakolwiek znajdują się w glebie w dużych ilościach, często występują w formie słabo rozpuszczalnej, a tym samym są trudno przyswajalne dla roślin. Ponadto, w warunkach glebowo-klimatycznych Polski pierwiastki te narażone są na straty wskutek wymywania. Muszą one zatem być wprowadzane do gleby z nawozami, i w miarę intensyfikacji rolnictwa, w coraz większych...
Cytoplasmic male sterility (cms) in rye (Secale cereale L.), especially cytoplasma PAMPA, is used commercially in hybrid beeding programmes. The development of molecular markers that are tightly linked to the numerous genes coding for pollen fertility is expected to have great impact in the field. Morphological and cytological analyses of plants from a three-way cross C394: [(S67P/94 x S38/94) x CHD296]...
Twenty-five AFLPs, previously linked to fertility restoration genes for the male-sterilizing PAMPA cytoplasm (cms-P) in a restricted rye population, were studied in an enlarged population of 120 plants. A strong association with the trait was verified for 19 of the markers. The recombination of these markers was tested and two linkage groups were identified: one consisting of six and the other of...
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