Cassava and Sweet Potato
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Toward Improving Photosynthesis in Cassava: Characterizing Photosynthetic Limitations in Four Current African Cultivars
Received: 19 June 2017 | Revised: 16 February 2018 | Accepted: 20 February 2018 DOI: 10.1002/fes3.130 ORIGINAL RESEARCH Toward improving photosynthesis in cassava: Characterizing photosynthetic limitations in four current African cultivars Amanda P. De Souza1 | Stephen P. Long1,2 1Departments of Crop Sciences and Plant Biology, Carl R Woese Institute for Abstract Genomic Biology, University of Illinois at Despite the vast importance of cassava (Manihot esculenta Crantz) for smallholder Urbana-Champaign, Urbana, IL, USA farmers in Africa, yields per unit land area have not increased over the past 55 years. 2 Lancaster Environment Centre, Lancaster Genetic engineering or breeding for increased photosynthetic efficiency may repre- University, Lancaster, UK sent a new approach. This requires the understanding of limitations to photosynthesis Correspondence within existing germplasm. Here, leaf photosynthetic gas exchange, leaf carbon and Stephen P. Long, Departments of Crop nitrogen content, and nonstructural carbohydrates content and growth were analyzed Sciences and Plant Biology, Carl R Woese Institute for Genomic Biology, University in four high- yielding and farm- preferred African cultivars: two landraces (TME 7, of Illinois at Urbana-Champaign, Urbana, TME 419) and two improved lines (TMS 98/0581 and TMS 30572). Surprisingly, IL, USA. A Email: [email protected] the two landraces had, on average, 18% higher light-saturating leaf CO2 uptake ( sat) than the improved lines due to higher maximum apparent carboxylation rates of Funding information Bill and Melinda Gates Foundation, Grant/ Rubisco carboxylation (Vcmax) and regeneration of ribulose- 1,5- biphosphate ex- Award Number: OPP1060461 pressed as electron transport rate (Jmax). TME 419 also showed a greater intrinsic water use efficiency. -
Giant Miscanthus Establishment
Giant Miscanthus Establishment Introduction Giant Miscanthus (Miscanthus x giganteus), a warm-season perennial grass originating in Southeast Asia from two ornamental grasses, M. sacchariflorus and M. sinensis, is a popular candidate crop for biomass production in the Midwestern United States. This sterile hybrid is high yielding with many benefits to the land including soil stabilization and carbon sequestration. Vegetative propagation methods are necessary since giant Miscanthus does not produce viable seed. Field Preparation A giant Miscanthus stand first begins with field seedbed preparation. To provide good soil to rhizome contact, Figure 1. Rhizome segments. Photo credit: Heaton Lab. the seedbed should be tilled to a 3- to 5-inch depth. Soil moisture is critical to proper establishment for early stage time after the first frost in the fall and before the last one in germination. If working with dry land, prepare your field just the spring. If not immediately replanted in a new field, they prior to planting for optimal soil moisture. Good soil contact should be kept moist and cool (37-40º F) in storage. Ideal is also critical, so conversely, don’t till when the land is wet rhizomes have two to three visible buds, are light colored, and clods will form. Nutrient (NPK) and lime applications and firm (Fig. 1). Smaller rhizomes or those that are soft to should be made to the field as necessary before planting, the touch will likely have lower emergence. following typical corn recommendations for the area. Giant Miscanthus does not have high nutrient requirements once RHIZOME PLANTING established, but fields last for 20-30 years, so it is important Specialized rhizome planters are becoming available that adequate nutrition be present at establishment. -
Cassava Plant Guide
Plant Guide Food products: There are hydrocyanic glucosides CASSAVA (HCN) in all parts of the plant; these glucosides are Manihot esculenta Crantz removed by peeling the roots and boiling in water. Plant symbol = MAES The young tender leaves are used as a potherb, containing high levels of protein and vitamins C and Contributed by: USDA NRCS National Plant Data A. The leaves are prepared in a similar manner as Center spinach, while eliminating toxic compounds during the cooking process. Cassava flour is used to make cookies, quick breads, loaf breads, pancakes, doughnuts, dumplings, muffins, and bagels. Cassava extracted juice is fermented into a strong liquor called kasiri. It also can be concentrated and sweetened until it becomes dark viscous syrup called kasripo (casareep). This syrup has antiseptic properties and is used for flavoring. The peeled roots of the sweet variety are usually eaten cooked or baked. Livestock: Cassava leaves and stem meal are used for feeding dairy cattle. Both fresh and dried cassava roots are consumed by ruminants in different forms (chopped, sliced, or ground). Cassava bushes three to four months old are harvested as forage for cattle and other ruminants. Lincoln Moore. 2005 USDA NRCS Ornamental: One clone with variegated leaves is planted as an ornamental. Alternate Names Synonyms: Jatropha manihot L., Janipha manihot Commercial: Cassava starch is used in the production (L.) Kunth, Manihot utilissima Poh, Manihot aipi of paper, textiles, and as monosodium glutamate Poh, Manihot manihot (L.) Cockerell, Manihot (MSG), an important flavoring agent in Asian melanobasis Muell. Arg. cooking. In Africa, cassava is used as partial substitution for wheat flour. -
Plant-Based Recipes
A collection of 100% PLANT-BASED RECIPES Breakfasts and smoothies p.02 Starters p.05 Mains p.06 Sweet treats p.12 Break- fasts and smooth- ies: Overnight Oats with Shiro Miso serves 1 The miso gives these oats their pleasant ‘umami’ taste (the ‘new’ fifth taste sensation). If you need to eat breakfast away from home, make this in an empty jam jar, and give your taste buds a treat! Nutrition Information: (Approximate nutrition information per serving with fresh fruit/ berries, nuts and maple syrup) Energy (kcals) 349 Fat (g) 12.6 Saturates (g) 1.3 Carbs (g) 47.1 Sugar (g) 5.5 Fibre (g) 6.7 Protein (g) 8.5 INGREDIENTS: METHOD: ½ cup (45 g) of porridge oats ¾ cup (180 mls) of Oatly Oat Drink 1. Mix all of the ingredients except the (preferably Whole/Barista Edition) topping in a bowl (or jam jar), cover and ½ tbsp white Shiro Miso paste leave in ‘fridge for at least 3 hours, but ideally overnight. Topping - your choice from maple 2. Remove from the ‘fridge and, if you syrup, fresh fruit/berries and wish, add more oat drink, until you get roasted nuts the desired consistency. 3. Top with your chosen toppings and enjoy! 02 Avocado & Strawberry smoothie INGREDIENTS: serves 2 This creamy smoothie is quick to make 300 ml Oatly Oat Drink and refreshing at any time of day. 150 g frozen strawberries ½ ripe avocado, peeled Nutrition Information: Juice of ½ lemon (Approximate nutrition information per serving) 1 tbsp maple or agave syrup 2 tsp chia seeds Energy (kcals) 182 Fat (g) 7.8 Saturates (g) 1.1 Carbs (g) 23.9 METHOD: Sugar (g) 13.6 Fibre (g) 4.9 1. -
Potato, Sweet Potato, Indigenous Potato, Cassava) in Southern Africa
South African Journal of Botany 2004, 70(1): 60–66 Copyright © NISC Pty Ltd Printed in South Africa — All rights reserved SOUTH AFRICAN JOURNAL OF BOTANY EISSN 1727–9321 Sustainable production of root and tuber crops (potato, sweet potato, indigenous potato, cassava) in southern Africa J Allemann1*, SM Laurie, S Thiart and HJ Vorster ARC–Roodeplaat Vegetable and Ornamental Plant Institute, Private Bag X239, Pretoria 0001, South Africa 1 Current address: Department of Soil, Crop and Climate Sciences, Faculty of Natural and Agricultural Sciences, University of the Free State, PO Box 339, Bloemfontein 9300, South Africa * Corresponding author, e-mail: [email protected] Received 15 October 2003, accepted 17 October 2003 Africa, including South Africa, is faced with a problem of of healthy planting material are the most important lim- increasing rural poverty that leads to increasing urban- iting factors in production. African Cassava Mosaic isation, joblessness, crime, food insecurity and malnu- Disease (CMD) caused by a virus, is a problem in grow- trition. Root and tuber crops such as sweet potato and ing cassava. Plant biotechnology applications offer a potato, as well as cassava and indigenous potato are number of sustainable solutions. Basic applications important crops for food security. The latter are also such as in vitro genebanking where large numbers of important due to their tolerance to marginal conditions. accessions can be maintained in a small space, meris- Potato and sweet potato are of great economic value in tem cultures to produce virus-free plants and mass South Africa, with well-organised marketing chains and, propagation of popular cultivars in order to make plant- for potato, a large processing industry. -
What Makes Premium Cassava Flour Special?
2018 E-zine Coverage What Makes Premium Cassava Flour Special? Manufacturers of baked goods with the development of adopted starch manufacturing and snack foods differentiate delicious, high-quality baked technology and since produced in the crowded marketplace goods and snack foods. and sold only tapioca starch by offering specialty products and a number of them that speak to today’s FBN: What is cassava? continued to refer to this consumers’ wants and needs. new ingredient as tapioca Some of the most frequently Mr. Festejo: Cassava, also flour. Tapioca flour, or more requested products are those commonly known as yucca or appropriately, cassava flour, is with gluten-free, grain-free and manioc, is a perennial woody still produced and consumed non-GMO claims. shrub with an edible root that in tropical countries where the grows in tropical and subtropical cassava plant is indigenously Food Business News spoke with areas of the world. While many grown. However, the quality and Mel Festejo, COO of AKFP to food professionals are familiar characteristics of the flour are learn how Premium Cassava with and have used tapioca adapted only to native dishes Flour, alone or in a mix, assists starches and like derivatives, few in these countries. These local know that tapioca’s raw material cassava flours are not well is the root of the cassava plant. suited for use in gluten-free Tapioca or cassava starch is baked goods and snack foods. produced by the extraction of Our proprietary technology is only the starch component of making cassava flour a highly the root. Tapioca or cassava suitable functional, nutritional, flour, on the other hand, requires clean-label ingredient for gluten- the processing of the whole free and even grain-free baking peeled root. -
A Future Biorefinery for the Production of Propionic Acid, Ethanol, Biogas, Heat and Power – a Swedish Case Study
REPORT f3 2013:23 A FUTURE BIOREFINERY FOR THE PRODUCTION OF PROPIONIC ACID, ETHANOL, BIOGAS, HEAT AND POWER – A SWEDISH CASE STUDY Report from an f3 project Authors: Anna Ekman, Linda Tufvesson, Pål Börjesson and Serina Ahlgren PROJECT A FUTURE BIOREFINERY FOR THE PRODUCTION OF PROPIONIC ACID, ETHANOL, BIOGAS, HEAT AND POWER – A SWEDISH CASE STUDY PREFACE This report is the result of a cooperation project within the Swedish Knowledge Centre for Renewable Transportation Fuels (f3). The f3 Centre is a nationwide centre, which through cooperation and a systems approach contributes to the development of sustainable fossil free fuels for transportation. The centre is financed by the Swedish Energy Agency, the Region Västra Götaland and the f3 Partners, including universities, research institutes, and industry (see www.f3centre.se). The report is also based on ongoing research projects financed by the Swedish Energy Agency, which we hereby acknowledge. This report should be cited as: Ekman., et. al., (2013) A future biorefinery for the production of propionic acid, ethanol, biogas, heat and power – A Swedish case study. Report No 2013:23, f3 The Swedish Knowledge Centre for Renewable Transportation Fuels and Foundation, Sweden. Available at www.f3centre.se. f3 2013:23 2 PROJECT A FUTURE BIOREFINERY FOR THE PRODUCTION OF PROPIONIC ACID, ETHANOL, BIOGAS, HEAT AND POWER – A SWEDISH CASE STUDY SUMMARY The overall aim of this f3-project is to assess whether energy integration of bio-based industries will contribute to improved greenhouse gas (GHG) performance, compared to biorefineries between which there is no integration or exchange of energy. Comparisons will also be made against production systems based on fossil feedstock. -
Finger Millet"
Background on the development of the "Global strategy for the ex situ conservation of finger millet" The development of the strategy involved the following main steps: • The finger millet strategy was initiated in December, 2009 and discussions took place with international, regional and national partners through email discussions whereby a survey questionnaire was finalized for circulation. • Information and data were gathered using databases such as GENESYS (www.genesys- pgr.org), FAO-WIEWS (http://apps3.fao.org/wiews/wiews.jsp?i_l=EN), SINGER (http://singer.cgiar.org/), EURISCO (http://eurisco.ecpgr.org/) and GBIF); reports and other information resources on the holdings of finger millet genepools and additional inventory of collections. • Identification of major germplasm collections of finger millet based on information collected above were identified along with Institutes and their respective contact persons to undertake the survey. • Survey questionnaire was designed in consultation with experts and survey was undertaken to gather information on collections, content and status of conservation in January, 2011 and information was received from 56 countries across Asia, Africa, Europe and Americas. • After receiving information from the survey, a draft report was finalized and circulated to all the partners for their feedback. • The consultation meeting was organized on December 23, 2011 to discuss the draft report where participants from India, Kenya, Uganda, Mali, and Senegal participated. Based on their input, the final report was prepared for submission. Coordinator: Much of the development of the finger millet strategy was coordinated by Dr. P N Mathur ([email protected]), South Asia Coordinator at Bioversity International in consultation with Dr. -
Save and Grow: Cassava
Chapter 7 Harvest, post-harvest and value addition Food for the household, feed for livestock, and raw material for a wide array of value-added products, from coarse flour to high-tech starch gels – cassava is a truly multipurpose crop. Chapter 7: Harvest, Post-harvest and Value Addition 89 ne of the major positive attributes of cassava is that it does not have a specific harvesting period. Roots may be harvested any time be- tween six months and two years after planting. During periods of food shortage, they can be harvested Owhenever needed, often one plant – or even one root – at a time. For human consumption, harvesting usually takes place at about 8 to 10 months; for industrial uses, a longer growing period generally produces a higher root and starch yield. Once harvested, roots can be consumed directly by the farm household, fed to livestock or sold for processing into a wide array of value-added products, ranging from coarse flour to high-tech modified starch gels. The root is not the only part of the plant that can be put to good use. In Africa, cassava leaves are cooked as a vegetable. In many countries, the green part of the upper stem, including leaves and petioles, are fed to cattle and buffaloes, while the leaf-blades are fed to pigs and chickens. In China, Thailand and Viet Nam, fresh leaves are used for raising silkworms. Stumps are burned as fuelwood, and woody stems are ground-up and used as a substrate for growing mushrooms. Harvesting roots and plant tops Bringing home the harvest. -
Soybean Cyst Nematode Potatopotato Cystcyst Nematodenematode (PCN)(PCN) Surveysurvey
WisconsinWisconsin DepartmentDepartment ofof Agriculture,Agriculture, TradeTrade andand ConsumerConsumer ProtectionProtection 20072007 WisconsinWisconsin CropCrop DiseaseDisease SurveySurvey AnetteAnette Phibbs,Phibbs, DanielDaniel GerhardtGerhardt Plant Industry Laboratory 4702 University Ave Madison WI 53702 WisconsinWisconsin DepartmentDepartment ofof Agriculture,Agriculture, TradeTrade && ConsumerConsumer ProtectionProtection Plant Industry Bureau Pest Survey Section Plant Industry Laboratory • Potato Cyst Nematode • Soybean Viruses & Asian Soybean Rust • Seed Certification • Soybean Cyst Nematode PotatoPotato CystCyst NematodeNematode (PCN)(PCN) SurveySurvey • Find of Pale potato cyst nematodes (Globodera pallida) in US in Idaho, April 2006. • Immediate impact on international trade. • USDA APHIS PPQ initiated a nationwide survey, to determine prevalence of pest and to reassure trading partners of PCN free status of potato growing areas. DATCP Potato Cyst Nematodes Golden nematode (Globodera rostochiensis) Pale cyst nematode (Globodera pallida) Females form cysts on true roots. • Spread by infested potatoes, soil, contaminated equipment. • Potato cyst nematodes are economically significant pests. • Potato cyst nematodes feed on the roots of potatoes, tomatoes and eggplants. Wisconsin Departmentof Agriculture,TradeandConsumerProtecti Wisconsin Departmentof Agriculture,TradeandConsumerProtecti Potato cyst nematodes have never Number of Samples 100 200 300 400 500 0 1982 33 Nematode Cyst Potato and Pale Golden for 1983 44 1984 112 1985 331 1986 457 1987 418 1988 192 Survey Wisconsin 1989 156 1990 210 1991 257 1992 165 Year 1993 137 been detected inWisconsin. 1994 173 254 A 1995 ll samples tested ne 1996 129 1997 137 1998 121 1999 98 2000 200 2001 115 2002 g ative. 2003 2004 6 2005 64 on 2006 109 on RecentRecent PCNPCN FindsFinds • Potato cyst nematodes are regulated pests in 65 countries including US and Canada. -
Comments to Annex IX 2Nd Feedstock Consultation Svebio – Swedish
Comments to Annex IX 2nd feedstock consultation Svebio – Swedish Bioenergy Association /Kjell Andersson, policy director [email protected] +46-70-4417192 www.svebio.se We would like to make some additional comments beside the limited answers requested in the feedback form. These comments concern both some of the feedstocks in the shortlist and some of the excluded feedstocks. Our principle view Svebio, the Swedish Bioenergy Association, does not support the general approach in the regulation in RED with double-counting and definition of “advanced biofuels” as fuels based on certain feedstocks. In our view, advanced biofuels are biofuels with very high GHG savings compared to fossil fuels regardless of feedstock. We also favor continued and increased use of biofuels from agricultural energy crops, in order to use the abundant resources in European farming (abandoned and fallow farmland, freed acreage as a result of higher yields, increased yields due to rotation crops on currently used farmland, etc). And above all we favor a free market, as this is the basis of the EU. We are convinced that administratively set feedstock regulations and double-counting will distort the markets, create a suboptimal use of raw materials, and lead to unnecessarily higher costs for the energy transition in the transport sector. These regulations also create political risks for companies and investors, and open up for increased lobbying and corruption, as well as for fraud. The policies should instead be based on carbon pricing and well-designed sustainability criteria. Based on these incentives, both energy efficiency and renewable fuels can compete in a fair way, resulting in the lowest total cost for society and the consumers. -
The Study of Discrimination of Remotely Sensed Data for Designing the Separation Technique Between Cassava and Sugarcane Farmland
The Study of Discrimination of Remotely Sensed Data for Designing the Separation Technique between Cassava and Sugarcane Farmland Anuphao Aobpaet a and Soravis Supavetch Department of Civil Engineering, Kasetsart University, Bangkok, Thailand Keywords: Cassava, Sugarcane, Remote Sensing for Agriculture. Abstract: Cassava and sugarcane are the most important agricultural crops in Thailand. The cultivations of those are similarly in crop season, natural resources, and climate. For decades, the farmers usually switch their plant depending on unit price and government subsidy. The use of remote sensing data for monitoring change in farmland has encountered a problem on the similarity of vegetation index and the seasonal variation. In this work, we investigate the significant differences between cassava and sugarcane plantation by using satellite data from two sensors systems (Optical and SAR sensor) from Sentinel-1 and Sentinel-2 satellites. The result of the sampling fields of cassava shows the fluctuation of the growth and the mean of SAVI is slightly lower than sugarcane at the same age. SAVI values over the cassava farmland seem to approach the homogeneity of sugarcane when the age of more than 11 months. Thus, the difference between cassava and sugarcane farmland using this method should be investigated on the growth stage of the age between 4-9 months. For SAR polarization, the VV, VH of SAR backscatters have little difference in cassava and sugarcane. When compare the backscatters value of VV and VH from cassava and sugarcane, the sigma0 values in dB show that VV backscatters have a higher signal return. The variation of VH polarization of cassava and sugarcane seem difficult to identify due to the diversity of signal targets.