AC Langille birdsfoot trefoil

1997 ◽  
Vol 77 (4) ◽  
pp. 653-654 ◽  
Author(s):  
Y. A. Papadopoulos ◽  
T. M. Choo ◽  
B. R. Christie ◽  
W. G. Thomas ◽  
D. B. McKenzie ◽  
...  
Keyword(s):  
Lotus Corniculatus ◽  
Forage Yield ◽  
Birdsfoot Trefoil ◽  
Mass Selection ◽  
Original Material ◽  
Seedling Vigor ◽  
Science Department ◽  
Cultivar Description ◽  
Selection For ◽  
The University

AC Langille is a birdsfoot trefoil (Lotus corniculatus L.) cultivar developed by the Nappan Research Farm, Agriculture and Agri-Food Canada. It was developed through two cycles of mass selection for winterhardiness and one cycle of mass selection for seedling vigor. The original material was six distinct germplasms selected from the cultivar Leo and released from the Crop Science Department of the University of Guelph. AC Langille is superior to the check cultivar Leo in forage yield and seedling vigor in Atlantic Canada. Key words: Birdsfoot trefoil, Lotus corniculatus, cultivar description, seedling vigor

Bruce birdsfoot trefoil

2008 ◽  
Vol 88 (6) ◽  
pp. 1093-1094
Author(s):  
Y. A. Papadopoulos ◽  
K. B. McRae ◽  
D. Gehl ◽  
S. A. E. Fillmore
Keyword(s):  
Nova Scotia ◽  
Root Growth ◽  
Key Words ◽  
Lotus Corniculatus ◽  
Birdsfoot Trefoil ◽  
Mass Selection ◽  
Plant Vigour ◽  
Growth Vigour ◽  
Cultivar Description ◽  
Selection For

Bruce birdsfoot trefoil (Lotus corniculatus L.) is a 71-clone synthetic variety developed at the Nappan Research Farm, Agriculture and Agri-Food Canada, Nappan, Nova Scotia. Bruce was developed through two cycles of mass selection for plant vigour (top and root growth) and winterhardiness, and one cycle of mass selection for re-growth vigour under grazing. In Atlantic Canada, Bruce produced more forage than the check cultivar Leo during 3 post-seeding years. It was also superior in spring growth with high first-cut herbage yields. Key words: Birdsfoot trefoil, Lotus corniculatus, cultivar description

OAC Bright birdsfoot trefoil

1997 ◽  
Vol 77 (2) ◽  
pp. 251-253 ◽  
Author(s):  
B. E. Twamley ◽  
D. T. Tomes ◽  
S. R. Bowley
Keyword(s):  
Key Words ◽  
Seed Yield ◽  
Recurrent Selection ◽  
Lotus Corniculatus ◽  
Birdsfoot Trefoil ◽  
Science Department ◽  
Seedling Vigour ◽  
Herbage Yield ◽  
Cultivar Description ◽  
Selection For

OAC Bright is a birdsfoot trefoil (Lotus corniculatus L.) cultivar developed by the Crop Science Department, University of Guelph. It was developed by within and among half-sib progeny recurrent selection for seedling vigour and seed yield. OAC Bright has 2% higher seedling vigour and 0.8% higher herbage yield than Leo. It has similar maturity and persistence to Leo. Key words: Birdsfoot trefoil, cultivar description, seedling vigour, seed yield, recurrent selection

CREE BIRDSFOOT TREFOIL

1981 ◽  
Vol 61 (1) ◽  
pp. 163-165 ◽  
Author(s):  
B. P. GOPLEN ◽  
J. E. R. GREEN-SHIELDS
Keyword(s):  
Seed Yield ◽  
Lotus Corniculatus ◽  
Forage Yield ◽  
Birdsfoot Trefoil ◽  
Research Station ◽  
Western Canada ◽  
Seedling Vigor ◽  
Plant Products

Cree, a new cultivar of birdsfoot trefoil (Lotus corniculatus L.), was developed at the Agriculture Canada research Station in Saskatoon and was issued License No. 1901 by the Plant Products Division of Agriculture Canada on 28 Feb. 1979. It is the first cultivar of birdsfood trefoil bred in Western Canada and was selected mainly for winterhardiness and forage yield. It was extensively tested in Uniform Regional Tests across Western Canada from 1960 to 1975, and was found to be superior to Empire in forage yield, seed yield, and seedling vigor, and superior to Leo in seed yield.

Among- and within-population variability for forage yield and Fusarium resistance in birdsfoot-trefoil

Genome ◽  
1987 ◽  
Vol 29 (5) ◽  
pp. 761-764 ◽  
Author(s):  
R. R. Hill Jr. ◽  
K. E. Zeiders
Keyword(s):  
Fusarium Oxysporum ◽  
Genetic Model ◽  
Lotus Corniculatus ◽  
Forage Yield ◽  
Birdsfoot Trefoil ◽  
Source Population ◽  
Gene Frequencies ◽  
Breeding For Resistance ◽  
Population Interaction ◽  
Source Populations

Polycross families of birdsfoot-trefoil, Lotus corniculatus L., were evaluated in the greenhouse for number of live plants 120 days after inoculation with Fusarium oxysporum (Schlecht) Snyd. & Hans, and in the field for forage yield and stand scores. The parents of the polycross progenies came from 11 different birdsfoot-trefoil cultivars. The objective of the experiment was to determine relative importance of source population and parents within source population as sources of variability for reaction for F. oxysporum, forage yield, and stand score. Expected values for means of polycross families within source populations and for source populations were expressed in terms of parameters from a previously developed autotetraploid genetic model. All genetic effects were present in the equations, but variation among source populations would be important only if the source populations differed in gene frequencies. Source populations were the only significant source of variation for the number of live plants 120 days after inoculation with F. oxysporum and the stand score. A significant year by source population interaction was observed for total season yield. The correlation between number of live plants in the greenhouse and the stand score was significant. We concluded (i) selection of source population was important when breeding for resistance to F. oxysporum or improved stand but not for total season yield, and (ii) successful breeding for resistance to F. oxysporum would contribute to improved persistence in birdsfoot-trefoil. Key words: Lotus corniculatus L., Fusarium oxysporum, polycross progeny, selection.

Effect of Mass Selection for Root Characteristics on Forage Yield and some of its Components in Alfalfa

2012 ◽  
Vol 16 (3) ◽  
pp. 1-18
Author(s):  
W. A. Hamd Alla ◽  
B. R. Bakheit ◽  
A. Abo- Elwafa ◽  
M. A. El-Nahrawy
Keyword(s):  
Forage Yield ◽  
Mass Selection ◽  
Root Characteristics ◽  
Selection For

GENOTYPIC, PHENOTYPIC, AND GENO-PHENOTYPIC METHODS OF SELECTION FOR SEEDLING VIGOR IN BIRDSFOOT TREFOIL

1972 ◽  
Vol 52 (2) ◽  
pp. 227-232 ◽  
Author(s):  
B. E. TWAMLEY
Keyword(s):  
Combining Ability ◽  
Birdsfoot Trefoil ◽  
Seedling Vigor ◽  
The Third ◽  
Method Selection ◽  
Phenotypic Group ◽  
Phenotypic Method ◽  
Genotypic Group ◽  
Selection For ◽  
Phenotypic Methods

A 72-line, six-replicate seedling vigor test was used to initiate three methods of selection for seedling vigor. In the genotypic method, selection was based on progeny test. In the phenotypic, it was based purely on the vigor of the seedling. In the third or geno-phenotypic method vigorous seedlings were selected from the most vigorous lines. The selected plants were polycrossed within groups and the seed so produced was used to establish new nurseries. From these, seed was collected and comparative seedling vigor tests were undertaken. Heritability tests were also run. The geno-phenotypic group outyielded the genotypic group by an average of 11%. The phenotypic group behaved erratically. Heritability for seedling vigor was low, and for combining ability for seedling vigor, considerably higher. The best method of selecting good germplasm for seedling vigor was to select the most vigorous seedlings from the most vigorous progeny lines.

RECURRENT SELECTION FOR SEED YIELD IMPROVEMENT IN LOTUS CORNICULATUS, CULT LEO

1973 ◽  
Vol 53 (4) ◽  
pp. 811-815 ◽  
Author(s):  
G. S. SANDHA ◽  
B. E. TWAMLEY
Keyword(s):  
Seed Yield ◽  
Recurrent Selection ◽  
No Reduction ◽  
Lotus Corniculatus ◽  
Birdsfoot Trefoil ◽  
Phenotypic Method ◽  
Coefficient Of Variability ◽  
Selection For ◽  
Phenotypic Methods ◽  
Seed Yields

Birdsfoot trefoil (Lotus corniculatus L.), cult Leo, was used as a base population for a recurrent selection program for seed yield. Objectives were: (1) improvement of seed yield, and (2) comparison of a genotypic and a geno-phenotypic method of selection. Two cycles were completed and evaluated. Seed yields for the genotypic and geno-phenotypic methods were 132 and 158%, respectively, of Leo after two cycles of selection. The geno-phenotypic method proved superior to the genotypic after each cycle. The broad sense heritability (61% for cycles 1 and 2), genotypic standard deviation, and genotypic coefficient of variability estimates (16.9 and 15.0% for cycles 1 and 2) indicated no reduction in genotypic variability with the geno-phenotypic method. However, the variability was practically exhausted with the genotypic method after cycle 2. Thus, further improvement with additional cycles of selection should be possible with the geno-phenotypic method but not with the genotypic method.

AC Endure red clover

1998 ◽  
Vol 78 (1) ◽  
pp. 113-114 ◽  
Author(s):  
B. R. Christie ◽  
T. M. Choo ◽  
Y. A. Papadopoulos ◽  
J. Lewis ◽  
R. Michaud
Keyword(s):  
Key Words ◽  
Trifolium Pratense ◽  
Red Clover ◽  
Forage Yield ◽  
Research Centre ◽  
Mass Selection ◽  
Trifolium Pratense L ◽  
Cultivar Description ◽  
Diploid Cultivar

AC Endure red clover (Trifolium pratense L.) is a diploid cultivar of the double-cut type developed by mass selection at the Crop and Livestock Research Centre, Agriculture and Agri-Food Canada, Charlottetown, PEI. It is earlier flowering than Florex or Marino, and higher in forage yield, especially in the second and third harvest years. Key words: Red clover, Trifolium pratense L., cultivar description

AC Kingston red clover

1994 ◽  
Vol 74 (1) ◽  
pp. 149-150
Author(s):  
T. M. Choo ◽  
B. R. Christie
Keyword(s):  
Key Words ◽  
Trifolium Pratense ◽  
Red Clover ◽  
Forage Yield ◽  
Mass Selection ◽  
Research Station ◽  
Trifolium Pratense L ◽  
Cultivar Description ◽  
Diploid Cultivar ◽  
Harvest Year

AC Kingston red clover (Trifolium pratense L.) is a diploid cultivar of the double-cut type developed by mass selection at the Agriculture Canada Research Station, Charlottetown, PEL It is similar to Florex in maturity, but is superior in forage yield in the second harvest year. It was selected for persistence under field conditions. Key words: Red clover, Trifolium pratense L., persistence, cultivar description

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