1. 1 Accelerating the reforestation by Vegetative propagation of native species trees by cutting. Rakotovao Z., Andrianoelisoa H., Ramiandrisoa D. Unité de Recherche en Partenariat « Forêts et Biodiversité » Madagascar ____________________________________________________________

2. 2 Objective of the study To produce a numerous and low cost planting material stocks in aim to restore the degraded forest landscape Specific objective for Ravensara aromatica : To ensure that chemotypes identified through chemical analyses of essential oil will be maintained in clonal trees. To respect the market request of homogeneity of essential oil composition to win added value.

3. 3 Material and method 200 stem cuttings, 2 trees for every 5 chemical patterns of Ravensara aromatica ; harvested in 4 natural forests (Ampasina, Didy, Anosibe an’Ala, Raboana) Avalaible number of cuttings from other available native species trees met in forest. Simple technic easily transfered to local population ( leafy stem cutting 7-10 cm length,7-10 mm diameter, hormone AIB 1%(optional), raised in plastic bag on mixture 2/3 compos- 1/3 river sand, raised on chassis, daily morning watered)

4. 4 Main Results Ravensara aromatica Forest Locality Chemotype number Date of cutting Issue Ampasina3February 2007 March 2007 15 % 77 % Didy4February 2007 May 2007 0000 Anosibe an’Ala 2June 200738 - 42 % Raboana3June 200719 - 39 %

5. 5 Main Results (other native species) SpeciesLocality o f gathering Month of cutting Results Symphonia tanalensis -Anosibe An’Ala - Vohim. -June 2007 -Aug. 2007 Green after 1- 2 months and withered later Unsuccessfully Ocotea laevisAnosibeJune 2007Unsuccessfully Canarium madagascarien sis -Anosibe Ampasina June 2007 January 2008 Unsuccessfully Weinmannia rutembergii VohimanaAugust 2007 Unsuccessfully Sloanea rhodantha VohimanaAugust 2007 Unsuccessfully

6. 6 Main Results (other native species) SpeciesLocality of gathering Month of cutting Results Dilobeia thouarsii VohimanaAugust 2007Unsuccessfully Dalbergia monticola - Anosibe - Vohimana June 2007 August 2007 - Unsuccessfully 12 vigourous plantlets on 20-25 cm height transplanted in Vohimana Dalbergia chapelieri VohimanaAugust 2007New shoots and leaves and whithered later Ocotea cymosa - Anosibe an’Ala - Vohimana - Ampasina - Jun. 2007 - Aug. 2007 - Jan. 2008 Green after 2 monts and withered later - id New shoots and leaves after 2- 3 months

7. 7 Illustrations Ravensara aromatica Dalbergia monticola Dalbergia chapelieri Ocotea cymosa