CREE BIRDSFOOT TREFOIL

1981 ◽  
Vol 61 (1) ◽  
pp. 163-165 ◽  
Author(s):  
B. P. GOPLEN ◽  
J. E. R. GREEN-SHIELDS

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.

1997 ◽  
Vol 77 (4) ◽  
pp. 653-654 ◽  
Author(s):  
Y. A. Papadopoulos ◽  
T. M. Choo ◽  
B. R. Christie ◽  
W. G. Thomas ◽  
D. B. McKenzie ◽  
...  

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


2011 ◽  
Vol 48 (No. 6) ◽  
pp. 265-270
Author(s):  
J. Pelikán

In field trials in 1998–2000, ten varieties of the world collection of birdsfoot trefoil (Lotus corniculatus) were evaluated for herbage and hay yields. In all the years of testing yields from three cuttings and total annual production were evaluated. In 1999, seed yield was also recorded. As a control, alfalfa (Medicago sativa) variety was included in the experiment. The test varieties showed good productivity in the first and especially in the second year of testing, most of them exceeded alfalfa in herbage yield in individual cuttings and in total productions. As for hay yield, the differences were not so great. Local varieties showed very good productivity, predominantly in herbage yields. Of foreign varieties, the best herbage, hay and seed yielder was the Hungarian variety Puszta. There were no statistical differences in seed yield between the varieties. The yields were, however, relatively low.


1987 ◽  
Vol 98 (2) ◽  
pp. 141-148 ◽  
Author(s):  
O. U. Onokpise ◽  
S. R. Boinley ◽  
D. T. Tomes ◽  
B. E. Twamley

Genome ◽  
1987 ◽  
Vol 29 (5) ◽  
pp. 761-764 ◽  
Author(s):  
R. R. Hill Jr. ◽  
K. E. Zeiders

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.


1997 ◽  
Vol 77 (2) ◽  
pp. 251-253 ◽  
Author(s):  
B. E. Twamley ◽  
D. T. Tomes ◽  
S. R. Bowley

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


1973 ◽  
Vol 53 (4) ◽  
pp. 811-815 ◽  
Author(s):  
G. S. SANDHA ◽  
B. E. TWAMLEY

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.


1989 ◽  
Vol 3 (1) ◽  
pp. 102-104 ◽  
Author(s):  
Dean L. Linscott ◽  
Richard Vaughan

Between 1982 and 1986, spring treatments of haloxyfop, fluazifop, and sethoxydim all applied at 400 g ai/ha alone and combined with dalapon at 3400 g ai/ha were evaluated for quackgrass control and subsequent effect on established birdsfoot trefoil seed production. Haloxyfop alone and combined with dalapon were superior to fluazifop or sethoxydim alone or mixed with dalapon for controlling quackgrass and other grass weeds. Birdsfoot trefoil seed yield averages over 3 yr were 310, 160, 150, and 180 kg/ha after treatment with haloxyfop, fluazifop, sethoxydim, and dalapon, respectively, compared to a control yield of 80 kg/ha. Yields were lower, 220 kg/ha, with combinations involving haloxyfop plus dalapon compared to haloxyfop alone.


1975 ◽  
Vol 55 (1) ◽  
pp. 101-106
Author(s):  
A. JOHNSTON ◽  
S. SMOLIAK ◽  
M. D. MacDONALD

Four hundred sixty-eight ecotypes of western wheatgrass (Agropyron smithii Rydb.) were transplanted into a nursery at Agriculture Canada Research Station, Lethbridge, Alberta. Data were obtained on: plant height, forage yield, seed yield, days to maturity, average number of spikelets per head, and average number of florets and fertile florets per spikelet and per head; and the plants were rated for six characteristics of forage production, i.e., vigor, leafiness, amount of forage, seed set, creeping habit, and winter survival. The study demonstrated the presence in western wheatgrass of adequate variability in agronomic characters to make progress possible in a breeding program.


2009 ◽  
Vol 89 (3) ◽  
pp. 511-513 ◽  
Author(s):  
S. N. Acharya

Veldt cicer milkvetch (Astragalus cicer L.) was developed by the Agriculture and Agri-Food Canada Research Centre, Lethbridge, Alberta. This synthetic cultivar, tested as LRC 94-1 in Western Forage Trials, was developed for improved seedling vigor and high forage yield. Veldt cicer milkvetch produced 19% more dry matter yield in western Canada than Oxley (check cultivar). Under non-irrigated conditions the dry matter yield of this cultivar was 15% greater than Oxley, while under irrigation the dry matter yield was 21% greater. Veldt is well suited for pasture and hay production in western Canada in both pure and mixed stands with grasses and other legumes. The seed size and seed yield of the new cultivar are about 12% higher than Oxley.Key words: Cultivar description, cicer milkvetch, Astragalus cicer L., seedling vigor, forage yield


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