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Scaling of innovations is a key requirement for addressing societal challenges in sectors such as agriculture, but research for development programs struggles to make innovations go to scale. There is a gap between new complexity-aware scientific theories and perspectives on innovation and practical approaches that can improve strategic and operational decision-making in research for development interventions that aim to scale innovations. To bridge this gap, Scaling Readiness was developed. Scaling Readiness is an approach that encourages critical reflection on how ready innovations are for scaling in a particular context for achieving a particular goal and what appropriate actions could accelerate or enhance scaling to realize development outcomes. Scaling Readiness provides decision support for (1) characterizing the innovation and innovation system; (2) diagnosing the current readiness and use of innovations; (3) developing strategies to overcome bottlenecks for scaling; (4) facilitating multi-stakeholder negotiation and agreement; and (5) navigating the implementation process. This chapter explains how Scaling Readiness was used in the CGIAR Research Program on Roots, Tubers and Bananas (RTB) and describes how Scaling Readiness informed the design and management of the RTB Scaling Fund, an instrument for identifying and nurturing scaling-ready innovations. We introduce the key principles and concepts of Scaling Readiness and provide a case study of how Scaling Readiness was applied for scaling a cassava flash dryer innovation in different countries in Africa and Central America. The chapter concludes with a reflection and recommendations for the further improvement and use of Scaling Readiness.

The development and scaling out of flash-dryer innovations for more efficient, small-scale production of high-quality cassava flour (HQCF) and starch is described. The diagnoses of cassava-processing SMEs (small and medium enterprises) revealed their energy expenditures for drying were considerably higher than those of large-scale industrial companies, which was mostly due to suboptimal design of flash-drying systems. As a result, small-scale production of cassava starch and HQCF often incurs high production costs, incompatible with market prices of final products. Taking stock of this situation, RTB scientists have developed several innovations to optimize energy efficiency and costs, including a longer drying pipe, reengineered heat exchanger, larger blower for higher air velocity, and a higher product/air ratio. This was based on numerical modelling to determine the key design features of energy-efficient flash dryers, followed by construction and demonstration of a pilot-scale prototype. As a result, improved small-scale flash dryers are now being scaled out to the private sector in various countries, using the Scaling Readiness framework and achieving 10–15% gains in productivity and incomes. A method for diagnosis of process efficiency is also described, to identify technical bottlenecks and to document and measure the outcomes and impacts during the implementation of scaling-out projects.

El moho gris de la fresa causado por Botrytis cinerea es una enfermedad que produce importantes pérdidas poscosecha. En el estudio se evaluó el efecto fungistático de extractos y aceites esenciales de Lippia origanoides HBK y Thymus vulgaris L. en concentraciones de 128, 256 y 500 mg/lt sobre B. cinerea in vitro e in vivo. In vitro se determinó el porcentaje de inhibición del crecimiento micelial del hongo. En estas condiciones se observó que el aceite esencial (AE) de L. origanoides presentó el porcentaje de control más alto (66.2%) sobre B. cinerea. In vivo, se observó que en bananos inoculados con B. cinérea después de 120 los AE controlaron eficientemente la incidencia de daño causado por el patógeno estudiado y no se encontraron diferencias significativas con el control químico utilizando el fungicida Benomil. The strawberry gray mold caused by Botrytis cinerea is a disease that causes significant postharvest losses. In this t study the fungistatic effect of extracts and essential oils of Lippia origanoides HBK and Thymus vulgaris L (at concentrations of 128, 256 and 500 mg / l) on the pathogenic fungus Botrytis cinerea under in vitro and in vivo conditions was evaluated. In the in vitro test, the percentage of inhibition of mycelial growth was etermined. It was observed that the essential oil (EO) from Lippia origanoides showed the highest percentage of control (66.2%) of Botrytis cinerea. The evaluation in vivo showed that, the control ercentage of the damage incidence from the pathogenic fungus (by an incidence value scale from 0 to 7 according to specific characteristics of deterioration of fruits) on bananas inoculated with Botrytis cinerea was measured. After 120 hours of monitoring, it was observed that the EO efficiently controlled the incidence of damage caused by the pathogen studied and no significant differences were observed when chemical control (fungicide Benomyl) was applied.