DS-Admiral

Pea

Denomination: 'DS-Admiral'
Botanical Name: Pisum sativum
Applicant/Holder: Danisco Seed
4960 Holeby
P.O. Box 29
Holeby
Denmark
Breeder: M. Helt Poulsen, Danisco Seed, Holeby, Denmark
Agent in Canada: Agriprogress Inc.
P.O. Box 2499
Morden, Manitoba
R6M 1C2
Canada
Application Date: 2000-05-01
Application Number: 00-2221
Grant of Rights Date: 2003-06-18
Certificate Number: 1489
Grant of Rights Termination Date: 2021-06-18

Variety Description

Variety used for comparison: 'Eclipse'

Summary: 'DS Admiral' is a taller plant than 'Eclipse'. 'DS Admiral' has stronger expression of rabbit ear stipules. The density of flecking on the stipule is less dense on 'DS Admiral' than on 'Eclipse'. 'DS Admiral' is resistant to powdery mildew while 'Eclipse' is susceptible.

Description:

'DS Admiral' is a field pea variety which has no stem fasciation. The plants are green, and have no anthocyanin colouration. The vines are medium to long in length. 'DS Admiral' is a semi-leafless variety, and the stipules are slightly waxy. Stipule development is normal, with strong expression of rabbit eared stipules, and stipule flecking is sparse to medium.

'DS Admiral' flowers mid-season and bears a medium number of flower bearing nodes per stem. There are two flowers per node. The standard is white with a level to arched base and the apex of the upper calyx lobe is acuminate. The peduncle from stem to first flower is medium to long in length.

'DS Admiral' produces green pods, with a very weak to weak concave curvature. The distal part is pointed and there are an average of seven ovules per pod. The immature seeds of 'DS Admiral' are light to medium green. The dry seeds are medium to large in size, spherical in shape with yellow cotyledons, no black hilum and very weak to weak wrinkling of the cotyledons. The starch grain is simple. 'DS Admiral' matures mid-season.

'DS Admiral' is moderately susceptible to root rot (Fusarium oxysporum f.sp. pisi), and mycosphaerella blight (Mycosphaerella pinodes). 'DS Admiral' is resistant to powdery mildew (Erysiphe polygoni).

Origin & Breeding History: 'DS Admiral' originated from the cross Renata//Bohatyr/M420062 made in 1988 in Holeby, Denmark. The selection was made by pedigree breeding method in F2, F5, and F9. Selection criteria were high seed yield, round yellow seed, resistance to powdery mildew, early maturity, and good straw stiffness. First generation breeder seed was obtained as progeny from F9 single plants. The variety is maintained by Agriprogress Inc., in Morden, Manitoba.

Tests & Trials: Tests and trials for 'DS Admiral' were conducted at the Agriculture and Agri-Food Canada Research Station in Morden, Manitoba, during the summers of 2000, and 2001. The trial layout was a 4 replication RCB design with 5 rows per replication.


Comparison tables for 'DS-Admiral' with reference variety 'Eclipse'

Plant height (cm)

  'DS-Admiral' 'Eclipse'
mean 73.2 56.5
std. deviation 3.7 5.2

Stem length (cm)

  'DS-Admiral' 'Eclipse'
mean 85 75
std. deviation 7.3 5.4

Seed weight (grams per 1000 seeds)

  'DS-Admiral' 'Eclipse'
mean 240 236
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