Download Acacia Mangium: Growing and Utilization by Kamis Awang, Davis Taylor (eds) PDF

By Kamis Awang, Davis Taylor (eds)

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In cilhcr case. understanding Ihc spccics' rcproductivc biology is inlportant lor developing an improvement stralegy. This chaplcr describes Ihc rcproduclivc biology of Acrrcitr mtrrlgirirn. including its lloral biology, phcnolog).. brccding system, and hybridizalion potenrial. 1. Inllorcsccncc ol' Acclcra rru~n~rurr~. Yhnro: Zakauia Ihrahim. Floral Biology Male and female gametes, the structures responsible for sexual reproduction. are produced by angiosperm flowers. As floral morphology plays a definitive role in pollination, close observation of a spccics' flowers can lead to an understanding of its breeding system.

Rntrrrgirrrn and self-pruning abilir y and bcllcr slcnl circularity of A. s. Sinning (1991) rcportcd that the physical and nlcchanical properties of lhc hybrid are inccrmcdiare berwccn the lwo parcnl species (thac is. becccr than A. nitrrrgirim). While A. lhe hybrid appears morc resistant. Natural Hybrids of A. mangium x A. auriculiformis Natural hybrids be1ween A. mrrrrgirrn~and A. r haw been rcportcd i n Reproductive Biology Sabah (Tham 1976) and Papua New Guinea (Turnbull et al. 1986). In Sabah these hybrids occur where A.

Knox. 1984. ssouri Ror. Gnrdcr~7 1 : 17-39. s(Lgur~unosae:M~nloso~tlsar). ntaI Dowcn. K. 1981. I~andlingantl storage tecl~n~ques is data antl infortnation on Acncln aunculrfnrriris and the prohhlc A. rrrrurgiurr~x A. a u n c u l ~ f n n ~ ~I~yhrid. Reproductive Biology Seed Ser~esNo. 3. FAOILJNDP-MAU78/009. Sahah. Malaysra: Forest Kesearch Centre Coaldrake. E. 1971. Variauon In some floral, seed. Aus!. I. of Bor. 19:335-352. B. d. 1973. lnterspec~f~c hyhrld~aauonIn I'rrrur: a summary Canad~anTree Improvement Assocrauon.

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