摘要
During the past years much progress has been made in the anther culture of woody plants. The potential of using haploid plants and homozygous lines in plant breeding programs has long been recognized, especially in woody plants. However, the conventional method employed by plant breeders for their production is cumbersome, laborious and not very efficient. Using in vitro culture method, haploids can be obtained in a matter of weeks or months, and by doubling their chromosome number homozygous