Boxwood Borer<i>Heterobostrychus brunneus</i>(Coleoptera: Bostrichidae) Infesting Dried Cassava: A Current Record from Southern Ethiopia

Parmar, Aditya; Kirchner, Sascha; Langguth, Henning; Döring, Thomas; Hensel, Oliver

doi:10.1093/jisesa/iew106

Cited by 2 publications

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References 21 publications

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“…Wood boring beetles such as Heterobostrychus brunneus, Prostephanus truncatus, Ryzopertha dominica, Lyctus africanus, Lyctus brunneus and Minthea rugicollis are some of the most damaging storage pests. Parmar et al (2017) recently reported the infestation by H. brunneus of dried cassava from southern Ethiopia, leading to considerable post-harvest losses. P. truncatus commonly known as the Larger Grain Borer (LGB), a native to Central America is believed to be the most notorious dried-cassava pest.…”

Section: Storage Of Fresh and Processed Cassavamentioning

confidence: 99%

Crops that feed the world: Production and improvement of cassava for food, feed, and industrial uses

2017

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Cassava (Manihot esculenta Crantz) is one of the oldest root and tuber crops, used by humans to produce food, feed and beverages. Currently, cassava is produced in more than 100 countries and fulfils the daily caloric demands of millions of people living in tropical America, Africa, and Asia. Its importance as a food security crop is high in Western, Central and Eastern Africa due to its ability to produce reasonable yields (~10 t/ha) in poor soils and with minimal inputs. Traditionally a famine reserve and a subsistence crop, the status of cassava is now evolving fast as a cash crop and as raw material in the production of starch (and starch based products), energy (bioethanol) and livestock feed in the major producing countries. Cassava leaves, which are rich in protein and beta-carotenoids, are also used as a vegetable and forage (fresh or dehydrated meal) in various parts of the world. In recent years, some of the problems in the production of cassava have been increasing infection with cassava mosaic disease (CMD), cassava brown streak disease (CBSD) and cassava bacterial blight (CBB). Inherent postharvest physiological disorder (PPD) and cyanogenic glycosides (CG) are some of the most prominent challenges for scientists, producers and consumers in the post-production systems. Collaborative research in participatory plant breeding is ongoing at leading international research institutes such as IITA and CIAT to improve crop resistance to virus diseases, reduce PPD and CG, and improve the overall nutritional characteristics. Further research should also focus on post-production systems by developing enhanced storage and transportation techniques, mechanisation (peeling, size reduction, drying and dewatering) and improved packaging. Moreover, a robust national policy, market development, and dissemination and extension program are required to realise the full potential of innovations and technologies in cassava production and processing.

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Section: Storage Of Fresh and Processed Cassavamentioning

confidence: 99%

Crops that feed the world: Production and improvement of cassava for food, feed, and industrial uses

2017

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Post-harvest management and associated food losses and by-products of cassava in southern Ethiopia

Parmar

Fikre²,

Sturm

et al. 2018

Food Sec.

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Improved (high yield and disease resistant) cassava varieties were introduced into Ethiopia around the onset of the twenty-first century, as a potential food security crop. At present, limited information is available from the country on post-production aspects of the value chain (VC) and related food losses. The lack of such data prevents policymakers and VC actors from taking steps towards improving VC efficiencies, which can have a significant impact on livelihoods and food security. The focus of this study was to examine the prevailing post-harvest practices in the cassava VC in southern Ethiopia and quantify the extent of food losses and associated by-products in the framework of the recently developed 'food loss and waste protocol'. The majority of the cassava in the study area was processed into dry chips and milled into a composite flour with teff and maize to prepare the staple bread (injera). 'Critical loss points' were during sun-drying (4%) and stockpiling at farm and marketplace (30-50%). Insect pest damage was primarily responsible for food losses at farm and market level. The most important insect species infesting dry cassava were identified during the survey. As far as the by-products were concerned, the ratio of leaf:wood (stem and stump):starchy root on a dry matter basis at harvest was 1:6:10. Further emphasis should be on improving processing and storage technologies to reduce food losses and the better recovery and utilisation of by-products, especially the leaves of cassava, which could be a potential source of protein in human diets.

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Boxwood BorerHeterobostrychus brunneus(Coleoptera: Bostrichidae) Infesting Dried Cassava: A Current Record from Southern Ethiopia

Cited by 2 publications

References 21 publications

Crops that feed the world: Production and improvement of cassava for food, feed, and industrial uses

Crops that feed the world: Production and improvement of cassava for food, feed, and industrial uses

Post-harvest management and associated food losses and by-products of cassava in southern Ethiopia

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