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Haploid and double haploids in ornamentals – A review
Chia sẻ: Nguaconbaynhay5 Nguaconbaynhay5 | Ngày: | Loại File: PDF | Số trang:15
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Sporophytic plants having gametophytic chromosome number are termed as haploid. These plants can be produced either spontaneously in nature or by in vitro or in vivo induction technique. By doubling chromosome number of haploid either spontaneously or artificially, double haploid (DH) could be produced. Double haploid are homozygous and this homozygosity is achieved in one generation by using DH production systems. This production system is used for fixation of heterosis. Genetic map construction is relatively easy with DH population.
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