A high-yielding mid-season Genuity® Roundup Ready® canola hybrid from the Proven® Seed signature lineup, PV 533 G
provides canola growers excellent standability plus a blackleg resistance package that is exhibiting very high resistance levels
within the R rating.
HIGHLIGHTS
•Consistently high-yielding across all mid to long season zones
•Excellent option in areas where blackleg is a known issue
•Excellent standability (1.8) for harvest ease
•Flowers in the same window as the Proven Seed early season varieties
YIELD
105% of PV 530 G
DISEASE PACKAGE
Very strong R to blackleg in all CPS 2013 trials, R to fusarium wilt See Blackleg Testing Protocols on reverse
STANDABILITY
A solid plant with a rating of 1.8, equivalent to PV 530 G
DAYS TO FLOWER
Early flowering at 45.1 days; comparable to early season varieties PV 531 G (44.3 days)
DAYS TO MATURITY
91.9 days; comparable to PV 530 G (91.3 days)
HEIGHT
47.2 in; slightly shorter than PV 530 G (47.8 in)
Source: 2015/2016 CPS Local Performance Checks – 31 trials across Western Canada, 22 sites, 93 replicates
LSD = 3.43% Standability rating: 1 – 5, 5 = flat
PRODUCT INFORMATION
•Enhancement options include:
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Helix® Vibrance® seed treatment
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Helix Vibrance seed treatment plus JumpStart® inoculant
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Helix Vibrance seed treatment plus Lumiderm™ insecticide
•Contact your local CPS retail for pricing and programming
•All totes and seed enhancements must be ordered by March 1, 2017
provenseed.ca
Genuity® and Design, Roundup®, and Roundup Ready® are registered trademarks of Monsanto Technology LLC used under license. HELIX® and VIBRANCE ® are trademarks of a Syngenta Group Company. JUMPSTART® is a trademark of
Novozymes Biologicals Limited. Lumiderm™ is a trademark of E.I. duPont de Nemours and Company. PROVEN® SEED and The Power To Grow® are registered trademarks of Crop Production Services (Canada) Inc.
CPS CROP PRODUCTION SERVICES and Design is a registered trademark of Crop Production Services Inc. | 10/16
BLACKLEG RESISTANCE
Blackleg resistance has been available in commercial canola cultivars and varieties since the early 1990s, which has protected
the crop against the predominant races of L. maculans. The use of a race-specific resistance strategy to manage this disease
has been of great value in Canada, Australia and Europe. However, large-scale surveys in Europe and the more limited analysis
of Canadian and Australian populations of the pathogen, indicate that races with the ability to overcome most of the known
specific resistance (R) genes can be found in many pathogen populations. In some cases the virulence of the local pathogen
population changed in a matter of three years (two cycles of selection) to defeat the resistance. Stewardship of blackleg
resistance and agronomic practices designed to control blackleg must be managed together.
Blackleg infected stems
Blackleg cross-section
BLACKLEG TESTING PROTOCOLS
The Western Canada Canola/Rapeseed Recommending Committee (WCC/RRC) has established Blackleg Testing Protocols
and Ratings to assess resistance. The resistance ratings currently available for commercial varieties are based on their field
performance in terms of disease incidence and severity relative to check varieties in disease testing sites. Resistance reduces
infection to certain races of L. maculans, but does not provide immunity. Typically the final resistance rating is based on trials
from at least three locations each year in Western Canada.
The following scale is used to describe the level of resistance based on average severity ratings compared to the highly
susceptible variety Westar:
R (Resistant) = <30 percent of the severity of Westar
MR (Moderately Resistant) = 30 – 49 percent of the severity of Westar
MS (Moderately Susceptible) = 50 – 69 percent of the severity of Westar
S (Susceptible) = 70 – 100 percent of the severity of Westar
The severity of blackleg infection is evaluated on a minimum of 100 plants averaged over four replicates at crop maturity.
Individual plants are uprooted, cut through the basal part of the stem and scored on the basis of the amount of disease using
the following 0 – 5 scale.
0–No diseased tissue visible in the cross-section
1–Diseased tissue occupies up to 25 percent of the cross-section
2–Diseased tissue occupies 26 – 50 percent of the cross-section
3–Diseased tissue occupies 51 – 75 percent of the cross-section
4–Diseased tissue occupies > 75 percent of the cross-section with little or no constriction of affected tissues
5–Diseased tissue occupies 100 percent of the cross-section with significant constriction of affected tissues; tissue dry and brittle; plant dead
For the trial to be valid, the severity rating of Westar must score between 2.6 and 4.5.
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