Influence of temperature and photoperiod on growth and yield components in oats (<i>Avena sativa</i>)

Klinck, H. R.; Sim, S. L.

doi:10.1139/b77-016

Cited by 17 publications

(16 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This requires that genotypes have a high panicle filling rate, as has been observed earlier (Peltonen-Sainio, 1990 (Klinck & Sim, 1977) by increased production of auxin and thus strengthening apical dominance (Michael, 1980) . produced a below-average grain yield .…”

Section: Yield Componentsmentioning

confidence: 93%

See 1 more Smart Citation

Productive oat ideotype for northern growing conditions

Peltonen‐Sainio

1991

Euphytica

View full text Add to dashboard Cite

Yield formation of four Finnish and three Nordic oat varieties and 12 breeding lines developed at the Hankkij a Plant Breeding Institute was studied during four different growing seasons (1986)(1987)(1988)(1989) . Seventeen characteristics were measured, including traits representing the date of maturity and architecture of the oat stand . The variation between genotypes in the examined traits was studied by means of two-way analysis of variance . The relationship between grain yield and morpho-physiological traits was studied by means of simple correlation analysis and stepwise regression analysis .The present study, carried out in highly dissimilar growing seasons, showed that ideotype breeding in the northern growing areas is likely to be successful only in moderate to optimal growing conditions . Based on the findings of this study, a productive oat ideotype for northern cultivation is composed of traits such as early maturation, high phytomass production with a high panicle weight resulting from a large number of grains, short straw length (high resistance to lodging), and reduced tillering . The importance of other factors influencing oat breeding in northern growing conditions is discussed .

show abstract

Section: Yield Componentsmentioning

confidence: 93%

“…Since ripening proceeds slowly at low temperatures, as mentioned also by Klinck & Sim (1977), it is likely that the late ripening genotypes suffered most from the poor conditions in 1987 .…”

Section: Maturity Classmentioning

confidence: 98%

Productive oat ideotype for northern growing conditions

Peltonen‐Sainio

1991

Euphytica

View full text Add to dashboard Cite

show abstract

“…One significant DM and NEL reduction did occur (p ≤ 0.05) only in the September 11 sowing date, when ambient temperature reached mean temperature values of 21.83°C and a maximum temperature of 29°C. In such sowing date, high temperatures along with long photoperiods (> 12 hours) accelerated oat development, negatively affecting its yield potential [25,35].…”

Section: Dry Matter and Nutrient Yieldsmentioning

confidence: 99%

Canola and Oat Forage Potential Evaluation in Four Early Planting Dates

S醤chez-Duarte¹,

Reta-S醤chez²,

Cueto-Wong³

et al. 2019

Phyton

View full text Add to dashboard Cite

Canola and oat forage potential may be affected by climatic conditions when sown early. The objective of this study was to evaluate the forage canola and oat potential in four early sowing dates (September 11 and 25; October 9 and 23) during the 2012-2013 and 2013-2014 cycles in Matamoros, Coahuila, Mexico. Growth cycle duration, chemical composition, dry matter (DM), crude protein (CP), and net energy for lactation (NEL) yields were determined. High temperatures and long photoperiods affected crops seeded on September 11, accelerating growth and reducing canola (26.6%-31.7%) and oat (15.8%) DM yields. As of September 25, canola cv IMC 205 reached DM yields (7746 kg ha -1 -9276 kg ha -1 ) similar to those obtained by oat (8115 kg ha -1 -9507 kg ha -1 ), while canola cv Hyola 401 obtained such yields only until October 23. Canola chemical composition was better than that found in oat, with higher CP, but lower acid detergent fiber (ADF) and neutral detergent fiber (NDF) contents. Canola equaled oat CP yields (972 kg ha -1 -1215 kg ha -1 ) in the first sowing date, while in the other three other canola sowings reached higher yields (1193 kg ha -1 -1889 kg ha -1 ). As for NEL yields, no difference was observed between both species. The best sowing date for canola is from September 25 on, with CP production advantages over oat. Materials and Methods Study Site, Soil Preparation, and FertilizationThis study was conducted on clay soil, at La Laguna Experimental Station in the Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias (INIFAP) located in Matamoros, Coahuila, Mexico (25° 32' N, 103° 14' W, and 1150 m above sea level). The soil in the experimental site is deep (> 1.8 m), with 150 mm m -1 available water [17], 0.75% organic C content, [1], and a pH value of 8.14. Climatic variables data were obtained from a meteorological station located 50 m away from the experiment site. Seedbed preparation was done through disk plough at a depth of 0.30 m, followed by double disking and zero-slope levelling.Nitrogen and phosphorus fertilizer dose was calculated considering their availability in the soil and canola and oat extraction capacity, for an average DM yield of 8132 kg ha -1 , a 32.0 g kg -1 N concentration [4,5], and a 3.0 g kg -1 P content in the forage [18,19]. N and P estimated requirements were 260 kg N ha -1 and 62 kg P2O5 ha -1 , for both crops). Considering that the 0.3 m-deep soil analysis indicated an availability of 28.5 kg N ha -1 , and 24.8 kg P2O5 ha -1 , doses of 250 kg N and 60 kg P2O5 were applied per ha. Before sowing, each experimental plot was manually fertilized with 75 kg N ha -1 (ammonium sulphate) and 60 kg P2O5 ha -1 (monoammonium phosphate). Posteriorly, before the first and second irrigations, 87.5 kg N ha -1 were applied, in the form of granular ammonium sulphate. No potassium fertilizer application was made because soils in this area present high available potassium content, with average values of 3030 kg ha -1 at a depth of 0.30 m [1]. Treatments, Sowing, and Irrigation...

show abstract

“…The phytomass production of oats is of special interest in northern growing conditions, because oats prefer a cool climate and long days (CoFFMAN and PREY 1961). Low temperatures are known to slow down growth and development of oats and promote biomass production (KLINCK and SIM 1977); however, in long day conditions development of the panicle and the filling of grams is rapid enough to ensure matured grain yield (KLINCK and SIM 1977).…”

Section: Introductionmentioning

confidence: 99%

High Phytomass Producing Oats for Cultivation in Northern Growing Conditions

Peltonen-Sainjo

1991

J Agronomy Crop Science

View full text Add to dashboard Cite

It has been argued that the breeding of cultivars with higher weight per panicle but constant phytomass (i.e.. improved harvest index) is unlikely to improve grain yield of cereals in the future. To examine this question in oats, this study observed relationships between above-ground phytomass production and grain yield as well as 18 morphological and physiological traits representing maturity class and architecture of oat stand. The study was conducted in two dissimilar growing seasons. Material consisted of 29 Finnish and Scandinavian oat cultivars and breeding lines. Correlations between phytomass and other traits were evaluated by linear regression anah'sis. The study revealed that there has already been a trend toward improving the aboveground phytomass production in cereal breeding in Finland. The phytomass elevation can be attributed to both higher panicle weight as well as increased above-ground vegetative phytomass. Thus, improved grain yield of oats is not merely a consequence of increased harvest index, as is often mentioned, but is also a result of higher phytomass as such. The weight of the above-gi'ound phytomass did not correlate with undesirable traits such as plant height or susceptibility to lodging, but it did have a positive relationship with days to yellow ripening. The applicability of phytomass weight in indirect yield breeding of oats in the northern growing conditions is discussed.

show abstract

Influence of temperature and photoperiod on growth and yield components in oats (Avena sativa)

Cited by 17 publications

References 0 publications

Productive oat ideotype for northern growing conditions

Productive oat ideotype for northern growing conditions

Canola and Oat Forage Potential Evaluation in Four Early Planting Dates

High Phytomass Producing Oats for Cultivation in Northern Growing Conditions

Contact Info

Product

Resources

About