Influence of Planting Date on Canola and Crambe Production

Schneiter, A. A.; McKay, Kent; Hanson, Bryan; Schatz, Blaine

doi:10.2134/jpa1995.0594

Cited by 53 publications

(44 citation statements)

References 10 publications

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“…The length of the vegetative growth period (emergence to 50% flower) did not differ among seeding dates when averaged across the fallow and stubble sites. In other studies, the number of days from planting to first flower appearance was greater with canola planted in mid-to late April and the first 2 wk of May rather than the last 2 wk of May (Gross 1963;Degenhardt and Kondra 1981;Johnson et al 1995). However, seeding date had minimal effects on the duration of flowering and reproductive periods (Degenhardt and Kondra 1981; Johnson et al 1995).…”

Section: Mid-season Plant Developmentmentioning

confidence: 90%

“…Researchers in North Dakota also observed that canola seedlings were able to tolerate temperatures of -6°C without significant reductions in plant stand (Johnson et al 1995). However, frost caused significant damage to fall-seeded canola at another location, not included in this portion of the overall study, in 1998 (unpublished data).…”

Section: Emergence and Seedling Densitymentioning

confidence: 94%

“…Canola sown in the first 2 wk of May rather than at the end of May increased B. napus seed yields from 24% (Degenhardt and Kondra 1981;Kondra 1977) to greater than 50% (Johnson et al 1995), and oil concentrations by 1% (Johnson et al 1995). Johnson et al (1995) observed that emerged canola seedlings tolerated temperatures down to as low as -6ºC.…”

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confidence: 94%

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Alternative seeding dates (fall and April) affect Brassica napus canola yield and quality

Kirkland¹,

Johnson²

2000

Can. J. Plant Sci.

109

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. 2000. Alternative seeding dates (fall and April) affect Brassica napus canola yield and quality. Can. J. Plant Sci. 80: [713][714][715][716][717][718][719]. Brassica napus L. canola production on the Canadian prairies often is limited by hot, dry growing conditions in early July and a short growing season. Brassica napus canola seeded in the fall just prior to freeze-up or in the early spring as soon as fields are passable may allow canola to avoid these adverse conditions. Our objective was to determine if late October (fall), or mid-to late April (April) seeding dates improve canola yield and quality relative to a mid-May (15 to 20 May) seeding date. Plant density and height, phenological development, seed yield, seed weight and seed oil content were assessed in plots sown to herbicide-tolerant B. napus canola at three seeding dates on five fallow sites and three stubble sites at Scott, SK, from 1994 to 1998. A thinner plant stand occurred for the fall compared with spring seeding dates; however, this difference rarely corresponded with less canola yield. Fifty percent flowering occurred 20 d earlier (June rather than July), reproductive growth (50% flowering to maturity) was 10 d longer, plants were 23 (fall) or 8 (April) cm shorter, and maturity occurred 13 d earlier when canola was seeded in the fall and April compared with mid-May seeding. Canola seed yield was 38% greater when seeded on the alternative dates rather than the more traditional mid-May seeding date. The yield advantage for alternative seeding dates was greater and more consistent on stubble than on fallow likely because of lack of soil crusting and temperature and wind protection from stubble. The response of seed weight to seeding date was similar to that for seed yield, indicating that a portion of the positive yield response to alternative seeding dates was associated with larger seed size. Oil content also was greater for the fall and April compared with mid-May seeding dates, but the improvement was smaller (6%) than that for seed yield. Fall-and April-seeded canola tolerated spring frosts and avoided adversely hot, dry weather during the flowering period, thus improving canola seed yield and quality. Alternative seeding dates provide canola producers in semi-arid regions with a sustainable option to diversify their cropping systems.Key words: Seeding date, dormant, stubble, fallow, herbicide tolerant, alternative cropping practice.Kirkland, K. J. et Johnson, E. N. 2000. Effets de la date de semis, automne ou avril, sur le rendement et la qualité de Brassica napus (type canola). Can. J. Plant Sci. 80: 713-719. La production du colza (Brassica napus L.) de type canola dans les prairies canadiennes est souvent plafonnée par le temps chaud et sec qui sévit en début de juillet et par la longueur insuffisante de la saison de végétation. Le semis réalisé en automne, juste avant l'installation du gel ou en début de printemps dès que les champs sont praticables permettrait éventuellement d'éviter ces mauvaises conditions. Dans cette optique, n...

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Section: Mid-season Plant Developmentmentioning

confidence: 90%

Section: Emergence and Seedling Densitymentioning

confidence: 94%

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Alternative seeding dates (fall and April) affect Brassica napus canola yield and quality

Kirkland¹,

Johnson²

2000

Can. J. Plant Sci.

109

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“…Drought and salinity stresses are the major limitations for plant growth in arid and semi-arid regions (Huzsvai and Rajkai, 2009). Previous studies noted greatly reduced canola yields due to high temperature and severe drought stress (Johnson et al, 1995). On the other hand, according to Nielsen (1997), canola yield is not significantly affected by water stress at any particular growth stage.…”

Section: Introductionmentioning

confidence: 98%

Tolerance of canola to drought and salinity stresses in terms of root water uptake model parameters

Yanagawa¹,

Fujimaki²

2013

Journal of Hydrology and Hydromechanics

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Canola (Brassica napus) is cultivated for oil as a biofuel crop. Few quantitative data concerning its tolerance to abiotic stresses has been presented. We evaluated the tolerances of canola to drought and salinity stresses in terms of parameter values in a macroscopic root water uptake model. We conducted an experiment using nine columns with two plants in each: three columns were under drought stresses, another three were under saline stress and others provided potential transpiration. Two soil moisture and salinity probes were inserted into each of the six columns under stress to monitor water content and electrical conductivity. Weight of the columns was manually measured to obtain daily transpiration. Water uptake at each depth and time was calculated by substituting linearly interpolated matric and osmotic potentials into the stress response function. Determined stress response functions indicated that canola is more sensitive to drought compared to Jatropha. While, it was found to be as tolerant as Jatropha to salinity stress in terms of transpiration. Matric potential was more determining than osmotic potential to root water uptake of canola.

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“…Canola seeded relatively early can also avoid stressful hot and dry periods during flowering that can reduce yield and quality (Johnson et al 1995). However, early spring seeding (e.g., late April or early May) can sometimes be hindered by late snowmelt in the Peace River region.…”

mentioning

confidence: 99%

Effect of fall and spring seeding on canola productivity in the Peace River region of northern Alberta

O’Donovan¹,

Otani²,

Clayton³

et al. 2005

Can. J. Plant Sci.

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. 2005. Effect of fall and spring seeding on canola productivity in the Peace River region of northern Alberta. Can. J. Plant Sci. 85: 641-644. The feasibility of dormant seeding canola in the fall in the Peace River region of northern Alberta was assessed. Results indicated that there is a significant risk of crop failure with fall seeding, mainly due to poor spring seedling emergence. Where a fall-seeded canola crop established, flowering and seed maturity occurred earlier even though plant densities were lower with fall compared with spring seeding, and seeding date had little or no effect on canola seed yield or quality. Tillage (minimum or zero) or nitrogen rate, source or placement had no consistent effects on canola productivity. Canola growers in the Peace River region are unlikely to achieve higher yield and quality by seeding canola in the fall.Key words: Dormant seeding, fertilizer rate, source and placement, minimum and zero tillage, polymer coated canola seed O'Donovan, J. T., Otani, J., Clayton, G. W. et Soon, Y. K. 2005. Incidence des semis automnaux et printaniers sur la productivité du canola dans la région de la Rivière-de-la-Paix du nord de l'Alberta. Can. J. Plant Sci. 85: 641-644. Les auteurs ont essayé de déterminer si on peut semer des graines dormantes de canola à l'automne dans la région de la Rivière-de-la-Paix, dans le nord de l'Alberta. Les résultats indiquent que la culture court de grands risques d'échouer, principalement à cause d'une piètre levée au printemps. Quand la culture semée à l'automne parvient à s'établir, la floraison et la maturation des graines surviennent plus tôt même si les peuplements sont moins denses que ceux obtenus avec des semis printaniers. Dans ce cas, la date des semis a peu d'effet, sinon aucun, sur le rendement grainier et la qualité des graines de canola. Les labours (travail minimal ou nontravail du sol), le taux d'application des engrais azotés, la provenance de l'engrais et la méthode de placement n'ont pas d'incidence cohérente sur la productivité du canola. Les producteurs de canola de la région de la Rivière-de-la-paix. ne devraient pas voir le rendement ni la qualité de leurs cultures s'améliorer avec des semis automnaux.

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Influence of Planting Date on Canola and Crambe Production

Cited by 53 publications

References 10 publications

Alternative seeding dates (fall and April) affect Brassica napus canola yield and quality

Alternative seeding dates (fall and April) affect Brassica napus canola yield and quality

Tolerance of canola to drought and salinity stresses in terms of root water uptake model parameters

Effect of fall and spring seeding on canola productivity in the Peace River region of northern Alberta

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