North Central Regional Committees Meet in Chicago

Soil Horizons ◽  
1971 ◽  
Vol 12 (1) ◽  
pp. 20
Author(s):  
F. D. Hole
Keyword(s):  
North Central ◽  
North Central Regional

Demand for Herbaceous Ornamental Germplasm from the North Central Regional Plant Introduction Station

HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 650f-650
Author(s):  
Mark P. Widrlechner
Keyword(s):  
Active Sites ◽  
Economic Value ◽  
Plant Introduction ◽  
Expert Advice ◽  
Recent Analysis ◽  
Public And Private ◽  
North Central ◽  
The North ◽  
North Central Regional ◽  
Crop Germplasm

In 1991, the USDA–ARS North Central Regional Plant Introduction Station made available for distribution 129 accessions of germplasm representing 31 genera of herbaceous ornamentals. This number increased to 329 accessions of 42 genera by 1995. During 1991–95, more than 500 seed packets were distributed to fulfill requests for these plants received from a diverse array of public and private researchers. An analysis of this demand together with expert advice from Crop Germplasm Committees and technical considerations, such as ease of culture and seed production, can help set priorities to plan germplasm regeneration to meet future demand. A recent analysis of demand at U.S. National Plant Germplasm System active sites indicated that demand ranging between 0.23 and 0.97 distributions per available accession per year was typical. Of the 42 ornamental genera analyzed in this study, 9 were demanded more frequently than was typical, 10 were demanded less frequently, with the remainder in the typical range. In order of increasing frequency, the nine genera with the highest distribution rates were Verbena, Gypsophila, Echinacea, Lapeirousia, Delphinium, Cerastium, Baptisia, Lilium, and Tanacetum. Six of these genera are represented only by a single available accession. Notably, Echinacea and Tanacetum are of research interest both as ornamentals and as medicinal/industrial crops. This poster gives a brief overview of the economic value of these genera, display the results of the demand analysis, discuss the results relative to recommendations from Crop Germplasm Committees and requestors, and consider how demand can shape management plans for the acquisition and regeneration of ornamental germplasm.

scholarly journals 313 PERFORMANCE OF `STARKSPUR SUPREME' ON 15 APPLE ROOTSTOCKS OVER 10 YEARS AT 28 LOCATIONS IN THE NC-140 TRIAL

HortScience ◽  
1994 ◽  
Vol 29 (5) ◽  
pp. 475c-475
Author(s):  
D.C. Ferree
Keyword(s):  
Production Efficiency ◽  
Apple Seedling ◽  
Apple Rootstocks ◽  
North Central ◽  
The North ◽  
High Production Efficiency ◽  
North Central Regional ◽  
P 16 ◽  
High Production ◽  
Cooperative Project

In 1984 trees of `Starkspur Supreme Delicious' apple on 15 rootstocks were planted at 28 locations in North America according to guidelines established by The North Central Regional Cooperative Project (NC-140). The largest trees were on P.18, ANT.313, B.490 and seedling. Producing trees approximately 70% the size of seedling were rootstocks P.1 and M.7 EMLA while M.26 EMLA and C.6 were 50% the size of seedling. A group of rootstocks 30% the size of seedling or smaller were B.9, MAC.39, P.22, P.2, P.16. Rootstocks with high production efficiency were P.16, 8.9, P.22, P.2 and C.6. Rootstocks with low production efficiency similar to apple seedling were MAC.1, M.4., B.490, P.18 and ANT.313.

scholarly journals LA LITTÉRATIE VISUELLE À L’UNIVERSITÉ : ÉTUDE SUR LES PRATIQUES D’APPRENTISSAGES FORMELS ET INFORMELS D’ÉTUDIANTS AU BACCALAURÉAT

2018 ◽  
Vol 6 ◽  
Author(s):  
Virginie Martel ◽  
Jean-François Boutin ◽  
Nathalie Lemieux ◽  
Isabelle Beaudoin ◽  
Monica Boudreau ◽  
...  
Keyword(s):  
Visual Literacy ◽  
North Central ◽  
North Central Regional

Face à la transformation des modes de communication et d’apprentissage dans lesquels l’image occupe une place de plus en plus importante (Bleed, 2005 ; North Central Regional Educational Laboratory et Metiri Group, 2003), le développement de compétences spécifiques à la littératie visuelle (visual literacy) est primordial pour faire face aux défis du monde contemporain. Pourtant, ces compétences et leur développement, à l’école et hors école, demeurent très peu étudiés, d’où la réalisation d’une étude visant à identifier et à décrire les pratiques d’apprentissages formels et informels d’étudiants au baccalauréat en matière de littératie visuelle. Les résultats de cette étude permettent de mettre en lumière l’usage, en contextes formel et informel, des outils de communication dans lesquels l’image occupe une place importante chez les étudiants sondés, l’usage et les enjeux de l’aspect visuel dans les sources d’information et de divertissement, l’importance accordée aux compétences liées à la littératie visuelle et le sentiment de compétence des participants de l’étude à l’égard de ces dernières. Deux constats importants ressortent de cette étude : les pratiques d’apprentissage présentent des ressemblances, mais aussi des différences selon le contexte dans lequel elles sont mises en oeuvre (vie personnelle vs vie académique) et ces pratiques, en matière spécifiquement de littératie visuelle, illustrent la prise en compte de plus en plus importante (mais encore trop partielle) de l’image comme mode de communication et d’apprentissage.

scholarly journals 063A WRITING TO LEARN IN THE PLANT SCIENCES

HortScience ◽  
1994 ◽  
Vol 29 (5) ◽  
pp. 437a-437
Author(s):  
Robert J. Joly
Keyword(s):  
Work Load ◽  
Writing To Learn ◽  
Student Writing ◽  
North Central ◽  
North Central Regional ◽  
Barriers To Implementation ◽  
Plant Sciences ◽  
Intensive Course ◽  
Discussion Format

Writing is a powerful tool for thinking and for clarifying complex subjects. It's a much more physical activity than reading. It compels students to organize their thoughts and present them clearly and logically. They must continually reassess whether what they've written is really what they want to say. The focus of this presentation is on the impediments to implementing this approach in our teaching. Our objective is to seek methods for reducing the work load of instructors while maintaining the quality of learning that can occur in a writing-intensive course. Results of workshops conducted during the 1993 North Central Regional Teaching Symposium entitled “Writing to Learn in Science” will be discussed. The workshops were active, participatory sessions designed to elicit as many responses as possible to the question “How can we utilize writing, intensively, in our courses?” Five obstacles or barriers to implementation of writing were identified. These include (1) instructor anxiety, (2) students requiring individualized instruction, (3) time-consuming evaluation of student writing, (4) in-class time needed for writing instruction, and (5) lack of student motivation. A focused-discussion format was utilized in these sessions, and groups of participants were given responsibility to devise creative actions or strategies that could be utilized to meet the challenges noted above. More than forty “actions” were identified which could help to make this approach feasible in both graduate and undergraduate. courses. These are summarized within five broad strategic approaches.

scholarly journals GROWTH AND FRUITING OF `DELICIOUS' APPLE ON CLONAL ROOTSTOCKS IN THE 1984 NC-140 PLANTING IN MAINE

HortScience ◽  
1991 ◽  
Vol 26 (5) ◽  
pp. 481e-481
Author(s):  
James R. Schupp
Keyword(s):  
North America ◽  
New England ◽  
North Central ◽  
Malus Domestica Borkh ◽  
The Third ◽  
The North ◽  
Cooperative Testing ◽  
North Central Regional ◽  
Root Suckering ◽  
Cooperative Project

In 1984 trees of `Starkspur Supreme Delicious' apple (Malus domestica Borkh) on 16 rootstocks were planted at 30 sites in North America according to guidelines established for cooperative testing by the North Central Regional Cooperative Project (NC-140). Tree loss and root suckering in the Maine planting have been low, similar to that of other sites. Tree size in Maine is smallest amoung all sites after seven seasons. Trees on Budagovsky 9 (B.9) rootstock were the most precocious, producing significantly higher flower numbers and yield in the third year. Other precocious root-stocks in this planting included C.6, M.26EMLA, M.7EMLA and P.1. After seven years, B.9, C.6 and M.26EMLA were the most productive amoung the dwarf trees, and consequently are the most efficient. P.1 and M.7EMLA were the most productive amoung the more vigorous stocks. This trial will be conducted for 3 more seasons, however it appears that B.9, C.6 and P.1 may have potential as rootstocks for commercial apple orchards in New England.

scholarly journals Cucurbit Germplasm at the North Central Regional Plant Introduction Station, Ames, Iowa

HortScience ◽  
1991 ◽  
Vol 26 (4) ◽  
pp. 326-451 ◽  
Author(s):  
Raymond L. Clark ◽  
Mark P. Widrlechner ◽  
Kathleen R. Reitsma ◽  
Charles C. Block
Keyword(s):  
Plant Introduction ◽  
North Central ◽  
The North ◽  
North Central Regional

scholarly journals (406) A Comprehensive Echinacea Germplasm Collection Located at the North Central Regional Plant Introduction Station, Ames, Iowa

HortScience ◽  
2005 ◽  
Vol 40 (4) ◽  
pp. 1063A-1063
Author(s):  
Joe-Ann McCoy ◽  
Mark Widrlechner ◽  
Jeff Carstens
Keyword(s):  
Germplasm Collection ◽  
Plant Introduction ◽  
Morphological Characterization ◽  
North Central ◽  
Geographic Ranges ◽  
The North ◽  
Comprehensive Collection ◽  
North Central Regional ◽  
Seed Distribution ◽  
Propagation Methods

Echinacea is becoming a well-established, high-value crop, both as an ornamental and a dietary supplement. A comprehensive collection of Echinacea germplasm is conserved by the USDA-ARS North Central Regional Plant Introduction Station (NCRPIS) in Ames, Iowa, and is available via seed distribution for research and educational purposes (ars-grin.gov/npgs). Representing all nine species collected throughout their respective North American geographic ranges, the Echinacea collection includes 179 accessions. Extensive morphological characterization data associated with this collection have been compiled and are available to researchers on the Germplasm Resources Information Network (GRIN) database to aid in selection criteria. The collection has been used extensively for various research projects, ranging from ornamental breeding studies to HPLC analyses of metabolites of interest to the phytopharmaceutical industry. This poster will summarize the Echinacea collection conserved at the NCRPIS, including a list of available accessions by species, illustrations of seed, and control-pollinated cage propagation methods; and facilities utilized for seed cleaning, testing, and storage. In addition, instructions on how to use the GRIN database to view evaluation data and acquire germplasm will be provided.

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