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Abstract

Leucaena cytogenetics in relation to the breeding of low mimosine lines.

Abstract

cf. F.A. 28 No. 1829.] Meiotic and mitotic chromosomes were studied in L. leucocephala and L. pulverulenta (2n = 56), L. trichodes, L. lanceolata, L. stenocarpa and accessions designated as Buitenzorg (2n = 52) and L. esculenta (2n = 104). All species appeared to hybridize freely. The 80-chromosome hybrids of L. pulverulentaXL. leucocephala were grown and studied in detail. Genetic variation in mimosine content is discussed. KEYWORDS: tree breeding \ tree breeding \ plant breeding \ tree breeding \ plant breeding \ low toxicity \ Genetics \ Hybrids natural \ Leucaena \ Poisonous species \ Japan forestry development from \ Japan