Repeated exposure of jacket plum (Pappea capensis) micro-cuttings to indole-3-butyric acid (IBA) improved in vitro rooting capacity

The objective of the trial was to determine an effective propagation protocol for jacket plum (Pappea capensis) tree species. Experiments on in vitro propagation and rooting of stem cuttings were carried out. Dipping stem cuttings in half strength Murashige and Skoog (MS) media for 12 h prior to application of rooting hormones improved bud break and prolonged survival of stem cuttings on a mist bed. Early leaf loss was observed for stem cuttings planted without MS treatment. However, rooting was poor (11% for cuttings pre-treated in MS and 0% for those not pre-treated). For micro-propagation, significant differences (P < 0.05) in shoot multiplication and root regeneration were found. MS media supplemented with 2.0 mg l–1 benzylaminopurine was superior in the number of micro-shoots produced. Rooting capacity of micro-cuttings was improved from 42% to 64% when MS media supplemented with 0.5 mg l–1 IBA were repeated for the micro-cuttings that initially failed to root. There was 70% survival rate of plantlets after hardened off.The financial support from the Federal Ministry of Economic Cooperation (BMZ/GTZ), Germany through the World Agroforestry Centre (ICRAF) Southern Africa Regional Programme, Agro-Forest and Bio Energy Association and Invest North West, South Africa is acknowledged

Early recognition of graft compatibility in Uapaca kirkiana Müell Arg. clones, provenances and species

Please refer to abstract in articleFinancial support from the Federal Ministry of Economic Cooperation (BMZ/GTZ), Germany through the World Agroforestry Centre Southern Africa Regional Programme is acknowledged

Effective preconditioning methods for in vitro propagation of Uapaca kirkiana Müell Arg. tree species

Please refer to abstract in articl

Farmers' knowledge, attitudes and perceptions towards timber out-grower schemes in selected districts of Malawi

Timber out-grower schemes have proved to be one of the most profitable enterprises for rural households. No wonder, several analysts and researchers regard them as an alternative model to avoid problems of displacement and create 'win-win' outcomes for both rural communities and private investors in forestry. However, understanding farmers' knowledge, attitudes and perceptions towards tree out-grower schemes plays a key role in farmers' adoption of the interventions. This study examined these farmers' attributes towards out-grower schemes in selected districts of Malawi. Data were collected from 300 farmers who were randomly selected between September and October 2017 through semi-structured interviews and focus group discussions. The results revealed that 82% of the respondents participated in timber out-grower schemes, piloted by WVI and ICRAF. Based on a median score of 4.75 (IQR 4-5), respondents were strongly agreed on their knowledge on timber out-grower schemes as a basis for adopting the intervention. Using the cumulative Cube-root frequency method of stratification, the results revealed that more than half (51%) of the respondents belonged to the high category, and thus had high knowledge of timber out-grower schemes, whereas 32% and 17% had very high and medium levels of knowledge, respectively. The study also revealed that 79.3% of the respondents had a positive attitude towards out-grower schemes. Pearson correlation analysis revealed a positive, significant relationship between marital status (r = 0.081), household size (r = 0.062), education (r = 0.051) and knowledge of the respondents on timber out-grower schemes. A significant positive relationship was also observed between marital status (r = 0.156), household size (0.178), education (0.002), ethnic group (0.151) and attitudes of the respondents towards timber out-grower schemes. However, a negative relationship between knowledge and attitude was revealed (r = -0.534). The study therefore concludes that socio-economic factors, such as gender, education, ethnic group and household size, should be considered in upscaling timber out-grower schemes in Malawi

Creating Opportunities for Domesticating and Commercializing Miombo Indigenous Fruit Trees in Southern Africa

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