Registration of ‘Wichita’ Rapeseed

Rife, C. L.; Auld, D. L.; Sunderman, H. D.; Heer, W. F.; Baltensperger, David D.; Nelson, Lenis Alton; Johnson, Duane L.; Bordovsky, D. G.; Minor, Harry C.

doi:10.2135/cropsci2001.411263-ax

Cited by 14 publications

(13 citation statements)

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“…The fatty acid profile of Riley measures 42 g kg −1 palmitic acid, 19 g kg −1 stearic acid, 651 g kg −1 oleic acid, 183 g kg −1 linoleic acid, 74 g kg −1 linolenic acid, 11 g kg −1 gadoleic acid, and 5 g kg −1 erucic acid. Riley breeder seed averages 403 g kg −1 total oil on a dry‐seed basis, which is 33 g kg −1 higher than the average for Wichita (370 g kg −1 ) when it was released (Rife et al, 2001).…”

Section: Characteristicsmentioning

confidence: 83%

“…Riley is named for Riley County, the county in which Kansas State University is located. Riley was publicly released in 2010 because of its disease tolerance, improved oil content, and superior yield potential compared with ‘Wichita’ (PI 612846; Rife et al, 2001) and other check cultivars. The cultivars DKW46‐15, HyClass115W, Sumner, and Wichita account for the majority of the winter canola hectares in the Great Plains region, so these cultivars were used as comparison checks for Riley.…”

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confidence: 99%

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Registration of ‘Riley’ Winter Canola

Stamm

Berrada²,

Buck

et al. 2012

J of Plant Registrations

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‘Riley’ (Reg. No. CV‐24, PI 663949), a canola‐quality winter oilseed rape (Brassica napus L.), was developed and released by the Kansas Agricultural Experiment Station. Riley is a selection from the cross with pedigree KS3580/‘Jetton.’ Riley was tested in regional yield trials as the experimental variety KS4158 and was an entry in the National Winter Canola Variety Trial from 2008 through 2010. Riley was released because of its disease tolerance, improved oil content, and superior yield compared with ‘Wichita’ and other check varieties. The fatty acid profile and glucosinolate content of the meal of Riley are excellent quality. Riley had significantly greater yield than all check cultivars (P < 0.05), yielding 113% of Wichita and 116% of ‘DKW46‐15’. Through 27 site‐years on the southern Great Plains and High Plains, Riley averaged 400 g kg−1 total oil compared with Wichita's average of 388 g kg−1 (P < 0.05). The performance record of Riley suggests an increase in yield and consistency among commercial cultivars. As winter canola is planted on more hectares, demand is growing for improved genotypes.

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Section: Characteristicsmentioning

confidence: 83%

mentioning

confidence: 99%

Registration of ‘Riley’ Winter Canola

Stamm

Berrada²,

Buck

et al. 2012

J of Plant Registrations

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“…Early examples of these cultivars have proven to be less winter hardy than older, industrial‐based cultivars (12). In the last decade however, a significant breeding effort has increased hardiness of both North American and European winter canola lines (15,16,17,18). Substantial research has also been conducted to characterize the effect of planting date on winter survival (3,11,13,20).…”

Section: Introductionmentioning

confidence: 99%

Winter Canola Survival and Yield Response to Nitrogen and Fall Phosphorus

Conley

Bordovsky²,

Rife

et al. 2004

Crop. manag.

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The introduction of winter canola into the Great Plains will increase crop diversity and may increase profitability of existing cropping systems. In many parts of the region a major limitation of winter canola is winter survival. The objective of this research was to quantify the effect of nitrogen and phosphorus on winter canola survival and crop yield. Two locations in Missouri and one location in Texas were seeded to ‘Wichita’ winter canola in the 2001‐2002 and 2002‐2003 growing seasons. Fall N followed by spring N and fall P fertility treatments were applied in a randomized complete block factorial design. In Missouri, percent winter survival, bloom date, crop height, percent lodging, harvest maturity date, and grain yield response to N and P treatments varied among locations and years. Percent winter survival was greatest at Columbia, at 86 and 80% in 2002 and 2003, respectively. In contrast, grain yield was greatest at Novelty at 2100 and 2400 lb/acre in 2002 and 2003, respectively. In Texas, winter survival was greater than 85% in both years. Grain yield was 2900 and 990 lb/acre in 2002 and 2003, respectively. Shattering due to delayed harvest primarily caused decreased grain yield in 2003. Grain yield was greater at 50 lbs of fall N than when no fall N was applied. Fall P and spring N treatments had no influence on winter survival or crop yield. Our results suggest that winter canola can be successfully grown in the Great Plains and that proper management of N and P may increase winter survival and grain yield.

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“…The SUR cultivars used for check comparisons include Sumner, ‘DKW46‐15’ (Godsey and Boyles, 2017), ‘HyCLASS115W’ (Bushong et al, 2018), and ‘HyCLASS225W’ (Bushong et al, 2018). ‘Riley’ (Stamm et al, 2012) and ‘Wichita’ (Rife et al, 2001) were used as conventional check cultivars.…”

Section: Methodsmentioning

confidence: 99%

Registration of ‘Surefire’ Winter Canola

Stamm

Angadi

Damicone

et al. 2019

J of Plant Registrations

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Surefire' (Reg. no. CV-27, PI 689513) is a winter canola (Brassica napus L.) cultivar that possesses tolerance to sulfonylurea herbicide carryover in the soil. Surefire will replace 'Sumner', which was the first winter canola cultivar released with this tolerance for the southern Great Plains. Sulfonylurea herbicides, or acetolactate synthase (ALS) inhibitor herbicides, have significant plant-back restrictions for susceptible crops, and they often limit rotating to canola in wheat (Triticum aestivum L.)-based cropping systems. Planting tolerant cultivars allows canola producers to avoid the plant-back restrictions. Surefire was released by K-State Research and Extension and was tested under the experimental name KSUR1211. Surefire drew attention in the 2012-2013 growing season as an entry in the sulfonylurea residual tolerance yield trial. It was the top-ranked cultivar at Hutchinson and Manhattan, KS, averaging 3452 and 4232 kg ha −1 , respectively. Across Great Plains sites of the 2015-2016 and 2016-2017 National Winter Canola Variety Trial, Surefire averaged 522 kg ha −1 more than Sumner. Surefire is about 4.2 d later to 50% bloom than Sumner. Surefire does not differ from Sumner in its tolerance to sulfonylurea herbicide carryover. The later maturity of Surefire gives it a distinct yield advantage over Sumner as fuller-season cultivars typically yield more than early-maturity cultivars.

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Registration of ‘Wichita’ Rapeseed

Cited by 14 publications

References 0 publications

Registration of ‘Riley’ Winter Canola

Registration of ‘Riley’ Winter Canola

Winter Canola Survival and Yield Response to Nitrogen and Fall Phosphorus

Registration of ‘Surefire’ Winter Canola

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