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Agronomy and Crop Sciences Commons

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2008

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Articles 31 - 60 of 119

Full-Text Articles in Agronomy and Crop Sciences

Arkansas Small-Grain Cultivar Performance Tests 2007-2008, J. T. Kelly, M. J. Emerson, R. K. Bacon Aug 2008

Arkansas Small-Grain Cultivar Performance Tests 2007-2008, J. T. Kelly, M. J. Emerson, R. K. Bacon

Arkansas Agricultural Experiment Station Research Series

Small-grain cultivar performance tests are conducted each year in Arkansas by the Arkansas Agricultural Experiment Station, Department of Crop, Soil, and Environmental Sciences. The tests provide information to companies developing cultivars and/or marketing seed within the state and aid the Arkansas Cooperative Extension Service in formulating cultivar recommendations for smallgrain producers


Five Simple Methods For The Determination Of Sorghum Grain End-Use Quality (With Adaptations For Those Without Laboratory Facilities), John R.N. Taylor, Janet Taylor Aug 2008

Five Simple Methods For The Determination Of Sorghum Grain End-Use Quality (With Adaptations For Those Without Laboratory Facilities), John R.N. Taylor, Janet Taylor

INTSORMIL Scientific Publications

Contents:

1. Detection of Tannin in Sorghum Grain by the Bleach Test

2. Classification of Sorghum Grain according to Colour

3. Estimation of Sorghum Grain Endosperm Texture

4. Determination of Germinative Energy of Sorghum Grain

5. Determination of Total Defects in Sorghum Grain


Strawberry Root And Crown Rot Disease Survey 2005 And 2006 Seasons, Dennis Phillips, Hossein Golzar Aug 2008

Strawberry Root And Crown Rot Disease Survey 2005 And 2006 Seasons, Dennis Phillips, Hossein Golzar

Bulletins 4000 -

Reports of unusually high numbers of plant deaths in strawberry crops from growers in Western Australia prompted a survey to identify the cause. Plant and soil samples were taken from a range of growers and runner sources over a two-year period and tested for plant pathogens.

Fusarium oxysporum f. sp. fragariae was identified as the predominant pathogen, the first recording of this in Western Australia. Further work is planned to clarify the epidemiology of this pathogen and evaluate suitable methods of control. Patches


Intsormil Scientist On Voa Reports A New Approach To Combat Witchweed, A Killer Of Sorghum Crops In Africa, Intsormil Jul 2008

Intsormil Scientist On Voa Reports A New Approach To Combat Witchweed, A Killer Of Sorghum Crops In Africa, Intsormil

INTSORMIL Impacts and Bulletins

In a May 19, 2008 interview on the Voice of America INTSORMIL scientist Mitch Tuinstra, a Purdue University sorghum breeder, reported on sorghum seed that he and his colleagues have produced that can protect sorghum crops from a weed called Striga. Although their target weed has a pleasant looking purple flower it’s action is far from pleasant. Striga causes six or seven billion dollars in crop damage every year to African grain sorghum.

Striga, called ‘witchweed’ in Africa, is parasitic on sorghum, stealing water and nutrients from sorghum roots. Witchweed has an unusual quality, it requires chemical signals …


Intsormil And Care Join Hands To Promote Sorghum Production And Utilization In El Salvador, Intsormil Jul 2008

Intsormil And Care Join Hands To Promote Sorghum Production And Utilization In El Salvador, Intsormil

INTSORMIL Impacts and Bulletins

An agreement between CARE International and INTSORMIL was signed in San Salvador on May 27, 2008. The 24 month agreement signed by Ms Ligia Elizabeth Alvarenga, CARE El Salvador and René Clara Valencia, INTSORMIL Regional Coordinator for Central America, promotes collaboration in the Pilot Phase of PRONORTE, an initiative oriented toward the development of improved dairy production technologies in the Northern Region of El Salvador. Under this memorandum CARE and INTSORMIL agree to:

1st- Join efforts to benefi t small and medium sized dairy producers in the Department of Morazan, El Salvador.

2nd- CARE and INTSORMIL will provide inputs to …


Sorghum Technology And Marketing Strategies Increase Farm Income In West Africa, Intsormil Jul 2008

Sorghum Technology And Marketing Strategies Increase Farm Income In West Africa, Intsormil

INTSORMIL Impacts and Bulletins

The INTSORMIL Production-Marketing Project with support from the USAID Africa’s regional program collaborated with national programs, local NGOs and farmers’ organizations to introduce new technology and marketing strategies for sorghum farmers in Mali, Niger and Senegal. The project involved 300 ha of sorghum and worked with approximately 400 sorghum producers in the three countries. The three component program consisted of (1) a technology component aimed at increasing output through the use of improved technologies (the combination an improved variety, inorganic fertilizers, water harvesting techniques and other agronomic improvements), (2) a marketing component aimed at getting a price premium for grain …


School Feeding Programmes In Africa - A Case Study, Emmanuel Ohene Afoakwa Jul 2008

School Feeding Programmes In Africa - A Case Study, Emmanuel Ohene Afoakwa

Professor Emmanuel Ohene Afoakwa

No abstract provided.


Sorghum Yields Doubled In Farmers’ Fields In Three West African Countries, Intsormil Jul 2008

Sorghum Yields Doubled In Farmers’ Fields In Three West African Countries, Intsormil

INTSORMIL Impacts and Bulletins

To increase sorghum and millet production, improved technologies must be introduced to farmers and new markets developed to avoid price collapses from increasing output levels. To promote this productivity increase INTSORMIL conducted on-farm demonstrations of existing technology in collaboration with the national extension agencies and agricultural research programs in Senegal (ISRA), Mali (IER) and Niger (INRAN). Improved seed, inorganic fertilizer and improved agronomic practices, often including tied ridges for water harvesting, were introduced on one ha farmer plots in the three countries. Farmers following agronomic recommendations consistently doubled yields with the best farmers obtaining 2 to 2.5 tons of sorghum/ha …


Intsormil/Centa Sorghum Breeder Wins Pccmca Award, Intsormil Jul 2008

Intsormil/Centa Sorghum Breeder Wins Pccmca Award, Intsormil

INTSORMIL Impacts and Bulletins

INTSORMIL/CENTA El Salvador scientist Salvador Zeledon (left with Rene Clara and Vilma Calderon) won fi rst place for his paper presented at the 53rd annual meeting of the PCCMCA (El Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales) held in San José, Costa Rica April 14-18, 2008. The theme of the meeting was “Global Changes, Tendencies, Effects and Perspectives for Agriculture in Mesoamérica and the Caribbean Towards 2020.” The meeting was attended by scientists from Asia, Africa, South and North America with most participants coming from the Caribbean Basin, i.e., Mexico, Guatemala, El Salvador, Honduras, Costa …


Intsormil/Centa Food Technologist Awarded Prize At Pccmca, Intsormil Jul 2008

Intsormil/Centa Food Technologist Awarded Prize At Pccmca, Intsormil

INTSORMIL Impacts and Bulletins

INTSORMIL/CENTA El Salvador scientist, Vilma Calderon (right), won third place for her paper presented at the 53rd annual meeting of the PCCMCA (El Programa Cooperativo Centroamericano para el Mejoramiento de Cultivos y Animales) held in San José, Costa Rica April 14-18, 2008. Vilma’s paper entitled “Nutritional Quality of Whole Sorghum in Different Food Applications” demonstrated how people from different cultures utilize sorghum as a human food and how sorghum is a nutritional alternative for inclusion in the diet of people in developing countries. With INTSORMIL support Vilma has been conducting research on the utilization of sorghum for human consumption at …


Does The Corn/Soybean Farmer Have Time For Alternative Crops? [Abstract], Lori A. Hoagland, Laurie Hodges, Glenn A. Helmers, James R. Brandle, Charles A. Francis Jul 2008

Does The Corn/Soybean Farmer Have Time For Alternative Crops? [Abstract], Lori A. Hoagland, Laurie Hodges, Glenn A. Helmers, James R. Brandle, Charles A. Francis

Department of Agronomy and Horticulture: Faculty Publications

Diversification of traditional row-crop farming in the Corn Belt is seen as advantageous in providing a wider economic base, decreasing economic risk associated with the link between commodity grain and cattle, increasing net farm income, and increasing biodiversity in the region. As farm size has increased to provide sufficient farm income, farm operations during the critical planting and harvesting windows are seen as limits to additional on-farm enterprises.


Improving Productivity In Mixed-Species Plantations, Mila Bristow, J Doland Nichols, Jerome K. Vanclay Jun 2008

Improving Productivity In Mixed-Species Plantations, Mila Bristow, J Doland Nichols, Jerome K. Vanclay

Professor Jerome K Vanclay

Mixed species plantations are often promoted as being environmentally preferable to monocultures, but are rarely considered operationally viable by commercial forest growers. Despite many publications documenting benefits demonstrated in research studies (e.g., Kelty 2006; Forrester et al. 2006b; Wood and Vanclay 1995), and despite continuing calls from a wide range of advocates for mixed-species plantations, polyculture remains the exception rather than the rule in industrial plantation forestry (Nichols et al 2006)...


Promoting Market Driven Sorghum Production In Zambia, Intsormil Jun 2008

Promoting Market Driven Sorghum Production In Zambia, Intsormil

INTSORMIL Impacts and Bulletins

In the southern Africa region there is significant interest in using sorghum in the manufacture of value added food products. However, for sorghum to be commercially successful, quality grain at an affordable price must be available. Zambian food processing companies cannot consistently acquire sufficient quantities of high quality sorghum for processing. Market channels need to be improved so that sorghum varieties with the required quality to meet commercial consumer requirements are produced and supplied consistently. A strong need exists for strengthening the system of production, post–harvest handling and storage, marketing, and processing for human food and livestock feed. To meet …


Intsormil Promotes Sorghum Production In Nicaragua, Intsormil Jun 2008

Intsormil Promotes Sorghum Production In Nicaragua, Intsormil

INTSORMIL Impacts and Bulletins

The INTSORMIL Central America Regional Program supports the efforts of national research programs to develop dynamic research programs that contribute to productivity, economic growth, natural resource conservation and improved diets. INTSORMIL supports a ‘network’ approach and promotes sorghum production in the region through the PCCMCA (Central Cooperative Program for Improving Crops and Animals) and other national and international organizations. PCCMCA serves as a forum for the international testing program for sorghum in Central America (CA). Rene Clara, INTSORMIL CA Regional Coordinator based at CENTA in El Salvador, coordinates the regional grain sorghum yield trials conducted on belhalf of the PCCMCA. …


Intsormil Promotes Sorghum Production In Nicaragua, Intsormil Jun 2008

Intsormil Promotes Sorghum Production In Nicaragua, Intsormil

INTSORMIL Impacts and Bulletins

The INTSORMIL Central America Regional Program supports the efforts of national research programs to develop dynamic research programs that contribute to productivity, economic growth, natural resource conservation and improved diets. INTSORMIL supports a ‘network’ approach and promotes sorghum production in the region through the PCCMCA (Central Cooperative Program for Improving Crops and Animals) and other national and international organizations. PCCMCA serves as a forum for the international testing program for sorghum in Central America (CA). Rene Clara, INTSORMIL CA Regional Coordinator based at CENTA in El Salvador, coordinates the regional grain sorghum yield trials conducted on belhalf of the PCCMCA. …


Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension Jun 2008

Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension

Field & Commercial Crops

Greenbugs are small (1.6 mm long), soft-bodied insects that are oval in shape. Greenbugs usually feed in colonies by sucking sap from leaves. Feeding may cause mottling and discoloration of the plant. Heavily infested leaves turn red or yellow, shrivel and die. Damaging levels of greenbugs can result in the destruction of entire grain sorghum fields.


B.R. Wells Rice Research Studies 2007, R. J. Norman, J. F. Meullenet, K. A.K. Moldenhauer Jun 2008

B.R. Wells Rice Research Studies 2007, R. J. Norman, J. F. Meullenet, K. A.K. Moldenhauer

Arkansas Agricultural Experiment Station Research Series

No abstract provided.


Extraction Of Lipids From Buttermilk Using Supercritical Carbon Dioxide, Harit K. Vyas, Johanna C. Astaire, Rafael Jiménez-Flores May 2008

Extraction Of Lipids From Buttermilk Using Supercritical Carbon Dioxide, Harit K. Vyas, Johanna C. Astaire, Rafael Jiménez-Flores

Rafael Jiménez-Flores

Abstract of paper presented at the 2002 Joint Annual Meeting of the American Dairy Science Association & the American Society of Animal Science.


Disulfide Bonding Patterns Between Β-Lactoglobulin And Κ-Casein In A Heated And Spray-Dried Milk-Model, Annie Bienvenue, C. S. Norris, Michael J. Boland, Lawrence K. Creamer, Rafael Jiménez-Flores May 2008

Disulfide Bonding Patterns Between Β-Lactoglobulin And Κ-Casein In A Heated And Spray-Dried Milk-Model, Annie Bienvenue, C. S. Norris, Michael J. Boland, Lawrence K. Creamer, Rafael Jiménez-Flores

Rafael Jiménez-Flores

Abstract of paper presented at the 2002 Joint Annual Meeting of the American Dairy Science Association & the American Society of Animal Science.


Owsley, Rebecca (Fa 258), Manuscripts & Folklife Archives May 2008

Owsley, Rebecca (Fa 258), Manuscripts & Folklife Archives

FA Finding Aids

Finding aid and full-text scan of paper (Click on “Additional Files” below) for Folklife Archives Project 258. Paper: "Farm Folklore" written by Rebecca Owsley for a Western Kentucky University folk studies class.


Iron Fertilization Of Kentucky Bluegrass, David Wehner, Jean Haley May 2008

Iron Fertilization Of Kentucky Bluegrass, David Wehner, Jean Haley

David J. Wehner

Iron applications are sometimes used to enhance the color (darker green) of turfgrass stands even when iron is not deficient. A study was conducted to determine the feasibility of replacing a portion of the total yearly N applied to Kentucky bluegrass (Poa pratensis L.) with iron. Turfgrass response to iron chelate (Sequestrene 330) applications at 2.2 kg Fe ha-1 in combination with three liquid-applied N sources (urea, Formolene, and FLUF) at 25 kg N ha-1 was compared to turf response from applications of the N sources at 49 kg N ha-1. Iron was substituted for …


Capacitan A Personas Intersadas Y Panaderos Sobre La Utilización De Harina De Sorgo: Más De 25 Personas Interesadas Entre Ellos Panaderos Son Capacitados Sobre El Uso De Harina De Sorgo, Roxana Ortiz, Eduardo Funes May 2008

Capacitan A Personas Intersadas Y Panaderos Sobre La Utilización De Harina De Sorgo: Más De 25 Personas Interesadas Entre Ellos Panaderos Son Capacitados Sobre El Uso De Harina De Sorgo, Roxana Ortiz, Eduardo Funes

INTSORMIL Impacts and Bulletins

El Ministerio de Agricultura y Ganadería (MAG) a través del Centro Nacional de Tecnología Agropecuaria y Forestal (CENTA), capacitan a un grupo de personas interesadas y panaderos sobre la utilización de harina de sorgo para la producción de pan y otros productos.

La ingeniera Margarita Alvarado, Coordinadora del Laboratorio de Tecnología de Alimentos del CENTA, expresó que se ha investigado el cultivo de sorgo a través del Programa de Granos Básicos, y también las bondades que el grano tiene para el uso de harina.


Evaluation Of Pearl Millet For Yield And Downy Mildew Resistance Across Seven Countries In Sub-Saharan Africa, J. P. Wilson, M. D. Sanogo, S. K. Nutsugah, I. Angarawai, A. Fofana, H. Traore, I. Ahmadou, F. P. Muuka May 2008

Evaluation Of Pearl Millet For Yield And Downy Mildew Resistance Across Seven Countries In Sub-Saharan Africa, J. P. Wilson, M. D. Sanogo, S. K. Nutsugah, I. Angarawai, A. Fofana, H. Traore, I. Ahmadou, F. P. Muuka

INTSORMIL Scientific Publications

Forty pearl millet germplasms consisting of traditional and improved open pollinated varieties, hybrids, and inbreds were selected to represent diversity for grain yield or quality, fertility restoration for specific cytoplasms, resistance to diseases or pests, variation in height and maturity, and origin. Evaluations were conducted in field trials in Ghana, Mali, Nigeria, and Senegal in 2003 and 2004 and in Burkina Faso, Niger, and Zambia in 2004. Data were collected on yield, downy mildew incidence, maturity, plant height, and panicle length. Variation occurred for all traits across locations and genotypes. Across locations and years, Sosat-C88, ICMV IS 89305, Gwagwa, NKK, …


Worker Protection Standard For Agricultural Pesticides, Howard M. Deer May 2008

Worker Protection Standard For Agricultural Pesticides, Howard M. Deer

All Archived Publications

No abstract provided.


Variable Approaches Investigating Light Quality And Quantity Impacts On Warm- And Cool-Season Turfgrasses, Christian Baldwin May 2008

Variable Approaches Investigating Light Quality And Quantity Impacts On Warm- And Cool-Season Turfgrasses, Christian Baldwin

All Dissertations

Bermudagrass (Cynodon ssp.) is the most popular warm-season turfgrass used in warm climatic regions of the world due its recuperative ability, high traffic tolerance, heat tolerance, and relative drought and salt tolerance. However, shade is a microenvironment in which bermudagrass performs poorly. Morphological limitations, such as reduced lateral stem growth and overall reduction of carbohydrate synthesis contribute to bermudagrass, a C4 plant, decline under shade. Therefore, primary objectives of this dissertation were to determine the genetic diversity of bermudagrasses grown in full-sunlight and shade, impacts of shade and cultural practices on bermudagrass spring transition, management recommendations to enhance bermudagrass …


Root Disease Under Intensive Cereal Production Systems, Bill Macleod, Vivien Vanstone, Ravjit Khangura, Ciara Beard May 2008

Root Disease Under Intensive Cereal Production Systems, Bill Macleod, Vivien Vanstone, Ravjit Khangura, Ciara Beard

Bulletins 4000 -

This Bulletin describes symptoms and control methods for the most commonly encountered cereal root diseases in Western Australia:

  • rhizoctonia bare patch
  • root lesion nematode
  • take-all
  • fusarium crown rot
  • cereal cyst nematode
  • common root rot
  • pythium root rot

Diseases caused by pathogenic micro-organisms can significantly reduce the yield of cereals. Some of these diseases are uncommon while others occur over a large area of the Western Australian wheatbelt every year. The most prevalent root diseases of cereals in Western Australia are rhizoctonia bare patch, root lesion nematode and take-all. Less widespread are fusarium crown rot, cereal cyst nematode, common root rot …


Origins Of The Y Genome In Elymus, Pungu Okito May 2008

Origins Of The Y Genome In Elymus, Pungu Okito

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Triticeae tribe DUMORTER in the grass family (Poaceae) includes the most important cereal crops such as wheat, barley, and rye. They are also economically important forage grasses. Elymus is the largest and most complex genus with approximately 150 species occurring worldwide. Asia is an important centre for the origin and diversity of perennial species in the Triticeae tribe, and more than half of the Elymus are known to occur in the Asia. Cytologically, Elymus species have a genomic formula of StH, StP, StY, StStY, StHY, StPY, and StWY. About 40% of Elymus …


In Vitro And In Vivo Techniques For Screening New Natural Product-Based Fungicides For Control Of Strawberry Anthracnose, Maritza Abril May 2008

In Vitro And In Vivo Techniques For Screening New Natural Product-Based Fungicides For Control Of Strawberry Anthracnose, Maritza Abril

Dissertations

Seven plant pathogenic fungi (Botrytis cinerea, Colletotrichum acutatum, C. fragariae, C. gloeosporioides, Fusarium oxysporum, Phomopsis obscurans, and P. viticola) valuable in screening fungicide efficacy were tested. Optimal and reproducible conditions for germination of these selected fungi were established by incorporating Roswell Park Memorial Institute 1640 (RPMI) as a medium of known composition and washing conidia to remove innate germination inhibitors. This step reduced average fungal germination times between 3.5 h and 21.2 h. The natural product-based fungicide, sampangine, seven sampangine analogs (4-bromo-sampangine, 4-methoxysampangine, benzo[4,5]sampangine, liriodenine Mel AMC-XIII-103, onychine, cryptolepine, and liriodenine CDH-II-37), plus seven conventional fungicides (benomyl, captan, cyprodinil, fenbuconazole, …


Building Sustainable Agricultural Development Through Home-Grown School Feeding - The African Approach, Emmanuel Ohene Afoakwa, Linley Chiwona-Karltun Apr 2008

Building Sustainable Agricultural Development Through Home-Grown School Feeding - The African Approach, Emmanuel Ohene Afoakwa, Linley Chiwona-Karltun

Professor Emmanuel Ohene Afoakwa

Proper nutrition is critical for optimal growth, cognitive development, general well-being and academic performance of children. Access to good nutrition either at home or through the educational system can contribute to the elimination of malnutrition and its associated health and developmental problems. In this regard, The 2005 UN World Summit recommended the expansion of local school feeding programmes, using home-grown foods where possible as one of the “Quick impact initiatives” to achieve the Millennium Development Goals, especially for rural areas facing the dual challenge of high chronic malnutrition and low agricultural productivity.


A Microecosystem For Fertilizer And Pesticide Fate Research, B. E. Branham, David J. Wehner, W. A. Torello, A. J. Turgeon Apr 2008

A Microecosystem For Fertilizer And Pesticide Fate Research, B. E. Branham, David J. Wehner, W. A. Torello, A. J. Turgeon

David J. Wehner

A microecosystem was designed to study the behavior of pesticides, fertilizers, or related compounds applied to plant stands. The system consists of three parts: a brass base that holds the plant growth media, a glass atmospheric chamber that rests on the base, and a set of analytical traps. The brass base is fitted with a porous ceramic plate so that tension can be applied to the water in the growing media. Air enters the bottom of the glass atmospheric chamber and exits through the top into appropriate trapping systems to recover volatilized pesticides, ammonia, or metabolized 14CO2 from labeled compounds. …