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YIELD PLOT [4 records]

Record 1 2009-09-29

English

Subject field(s)
  • Petrography
  • Statistical Graphs and Diagrams
DEF

A useful plot, used in igneous petrology to show variations between two rocks or rock types for a wide range of elements.

CONT

Usually, one rock is a standard type, e. g. a mid-oceanic-ridge basalt or a carbonaceous chondrite meteorite. Data for the test rock are "normalized" to the standard by dividing the abundance for each element by the abundance in the standard and plotting the quotient, usually in order of atomic number. Elements which have the same abundance in the test rock as in the standard yield a quotient of 1; if the two compositions were identical the plot would be a straight line through 1 on the y axis. Elements more abundant in the test rock yield numbers greater than 1; those less abundant yield numbers less than 1. By connecting the points plotted by a single line, a spidery diagram of peaks and troughs is obtained which illustrates immediately systematic differences in composition, e. g. relative enrichment in incompatible elements.

CONT

Extended rare earth element (REE) spidergram of rocks classified using modal opaque oxide percentage as "oxide-free" gabbro and olivine gabbro.

OBS

spidergram: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • spiderlike graph

French

Domaine(s)
  • Pétrographie
  • Diagrammes et graphiques (Statistique)
CONT

Afin de mieux comprendre l'origine des différences entre MORBs [pour «Mid Oceanic Ridge Basalts»] et OIBs [pour «Oceanic Island Basalts»], on peut étudier les arachnogrammes comparés de ces deux types de basaltes. Dans les arachnogrammes, on représente certains éléments incompatibles par degré d'incompatibilité décroissante de la gauche vers la droite, chaque concentration étant normalisée au manteau primitif. L'étude de ces arachnogrammes ou spidergrams montrent que la dualité manteau supérieur-manteau inférieur ne suffit pas à expliquer la différence MORBs-OIBs.

CONT

Sur un diagramme arachnide, les teneurs en terres rares sont d'environ 15 fois celles des chondrites dans l'unité Apan1, alors que dans les formations d'Urban et de Lacroix elles sont de 10 fois les chondrites [...]

OBS

diagramme arachnide; arachnogramme : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2006-02-09

English

Subject field(s)
  • Forestry Operations
  • Mathematical Geography
DEF

A forest-based plot that is derived from ground observations and analyzed.

CONT

The ground plot data will be critical for developing yield curves and site index curves, also used for timber supply planning and general forest management planning.

French

Domaine(s)
  • Exploitation forestière
  • Géographie mathématique
DEF

Parcelle forestière déterminée par des observations au sol et éventuellement soumise à un examen.

Spanish

Save record 2

Record 3 1997-09-08

English

Subject field(s)
  • Botany
  • Plant Breeding
  • Genetics
CONT

Tests and trials for ’AC Juniper’ were conducted at the Agriculture and Agri-Food Canada Research Station in Lacombe, Alberta in 1994 and 1995. The trials consisted of four replicated plots per variety with each plot containing four rows. Plot length was three metres.

CONT

Combining ability for grain yield, yield components, and several agronomic and qualitative traits, was studied in a seven-parent diallel cross. The 21 F SUB 1 hybrids and the seven parental cultivars were grown in replicated plot trials sown at normal seed density in three locations in the years 1992 and 1993. The effects of general combining ability(gca) were highly significant for all the traits measured with the exception of seeds per spikelet, while the specific combining ability(sca) effects were statistically significant for grain yield, plant height, heading time, for all the yield components, and for the Chopin alveographic parameters P and P/L ratio/(From an abstract found in Dialog).

French

Domaine(s)
  • Botanique
  • Amélioration végétale
  • Génétique
CONT

Épreuves et essais : Les épreuves et les essais de 'AC Juniper' ont été effectués à la station de recherche d'Agriculture et Agroalimentaire Canada, à Lacombe (Alberta), en 1994 et en 1995. Aux fins des essais, quatre parcelles répétées mesurant 3 mètres de longueur et contenant chacune quatre rangées ont été utilisées pour chaque variété.

Spanish

Save record 3

Record 4 1997-09-08

English

Subject field(s)
  • Genetics
  • Plant Breeding
CONT

’AC Juniper’ has a shorter and narrower flag leaf than the reference varieties. ’AC Juniper’ has a slightly earlier heading date and is shorter in height. The culm of ’AC Juniper’ is thinner and the panicle is narrower than the reference varieties. The kernel shape is less plump for ’AC Juniper’ than for ’Cascade’ and ’Derby’.

CONT

To identify QTLs associated with horticultural yield it is necessary to conduct replicated plot trials of the tested genotypes. The first step in the utilization of an introgression-line(IL) population of Lycopersicon pennellii in a processing-tomato variety(M82) for mapping such QTLs was to screen 51 ILs in a non-replicated plot trial. The results of this survey were compared to those obtained in a replicated trial of the same genotypes grown as single plants at wide spacing. Fruit characteristics were similar between the two stands, but yield was generally different.(From an abstract found in Dialog).

French

Domaine(s)
  • Génétique
  • Amélioration végétale
CONT

Chez les mutants précoces les taux des amino-acides dans les feuilles supérieures sont plus faibles que chez la variété de référence alors que c'est le contraire chez les mutants tardifs. Dans les feuilles âgées il y a moins d'amino-acides quelques soit la précocité du mutant. Individuellement certains amino-acides subissent des variations différentes. (Dialog).

Spanish

Save record 4

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