Canadian Journal of Plant Science最新文献_第8页

Soybean (Glycine max L.) seed germination in response to waterlogging and cold climate: a review on the genetics and molecular mechanisms of resistance to the abiotic stress 大豆(Glycine max L.)种子萌发对涝渍和寒冷气候的响应:抗非生物胁迫的遗传和分子机制研究进展

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-12-07 DOI: 10.1139/cjps-2022-0111

Rongzhen Suo, K. Sandhu, Mingjiu Wang, F. You, R. Conner, E. Cober, A. Hou

{"title":"Soybean (Glycine max L.) seed germination in response to waterlogging and cold climate: a review on the genetics and molecular mechanisms of resistance to the abiotic stress","authors":"Rongzhen Suo, K. Sandhu, Mingjiu Wang, F. You, R. Conner, E. Cober, A. Hou","doi":"10.1139/cjps-2022-0111","DOIUrl":"https://doi.org/10.1139/cjps-2022-0111","url":null,"abstract":"Abstract Soybean (Glycine max L.) is the most important legume crop in the world and provides protein and oil for human consumption and animal feed. Cold and waterlogging or flooding are abiotic stress that are commonly encountered during soybean germination in short-season growing conditions in the Northern latitudes. Imbibition of cold water during the germination disrupts the cell membranes and increases leakage of their contents and makes seeds vulnerable to biotic stress. The cold tolerance is associated with the ability of cells to avoid or repair the damage to their membranes and organelles, restoring membrane function and metabolism, and managing the reactive oxygen species generated during the process. Excess moisture impedes aerobic respiration by oxygen deprivation and increases the likelihood of soil-borne diseases further reducing the germination rate. Tolerance to waterlogging is associated with mechanisms that slow down the rate of water uptake and help maintain efficient anaerobic metabolism. The quantitative trait loci mapping, transcriptomics, and proteomic studies have revealed several genes and pathways that likely play a role in seed response to cold and waterlogging stress. This review discusses the effects of cold and waterlogging on soybean seed germination at the physiological level, describes the molecular mechanisms involved, and provides an overview of soybean waterlogging and cold tolerance research. The methodologies commonly used to study the molecular mechanisms controlling tolerance to waterlogging and cold stress are also reviewed and discussed.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"103 1","pages":"13 - 28"},"PeriodicalIF":1.2,"publicationDate":"2022-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45702481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Precipitation irregularity and solar radiation play a role in determining short-season soybean yield 降水不规则性和太阳辐射对短季大豆产量的影响

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-11-30 DOI: 10.1139/cjps-2022-0104

E. Cober, M. Morrison

{"title":"Precipitation irregularity and solar radiation play a role in determining short-season soybean yield","authors":"E. Cober, M. Morrison","doi":"10.1139/cjps-2022-0104","DOIUrl":"https://doi.org/10.1139/cjps-2022-0104","url":null,"abstract":"Abstract Climate change, resulting from increased atmospheric CO2, will affect temperature and precipitation amount and regularity. Changes in solar radiation have been observed in the recent past. Precipitation irregularity is a measure of rainfall distribution during a growing season (calculated as the standard error of the slope from regression of cumulative precipitation on day of the growing season). We investigated whether precipitation irregularity and solar radiation contributed to soybean yield. Fourteen short-season cultivars, released from 1930 to 1992, were grown from 1993 to 2019 at Ottawa, Canada. Stepwise multiple linear regression was used to investigate the contribution to seed yield of precipitation irregularity and solar radiation, and also previously modeled parameters genetic improvement, annual [CO2], and cumulative precipitation and average minimum temperature during the vegetative, flowering and podding, and seed filling growth stages. While solar radiation and precipitation irregularity did not trend over the years of our study and precipitation irregularity was not related to growing season precipitation, both were significant factors in our model, accounting for 2.5% and 6.5%, respectively, of the seed yield variability. Precipitation during all three stages were similar as they each accounted for 4%–7% of seed yield variability. We observed contrasting temperature effects where higher minimum temperature during vegetative and seed filling reduced yield, while during flowering and podding increased yield. Estimated yield improvement due to elevated [CO2] was 7.8 kg ha−1 ppm−1 and to genetic improvement over time was 7.1 kg ha−1 year−1. Over the extremes of our study we found that precipitation irregularity could cause up to a 30% yield reduction.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":" 38","pages":"93 - 100"},"PeriodicalIF":1.2,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41332325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Effects of postharvest deficit irrigation on sweet cherry (Prunus avium) in five Okanagan Valley, Canada, orchards: I. Tree water status, photosynthesis, and growth 采后亏缺灌溉对加拿大奥肯那根谷5个果园甜樱桃(Prunus avium)的影响:1 .树木水分状况、光合作用和生长

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-11-24 DOI: 10.1139/cjps-2022-0200

E. Houghton, K. Bevandick, D. Neilsen, K. Hannam, L. Nelson

{"title":"Effects of postharvest deficit irrigation on sweet cherry (Prunus avium) in five Okanagan Valley, Canada, orchards: I. Tree water status, photosynthesis, and growth","authors":"E. Houghton, K. Bevandick, D. Neilsen, K. Hannam, L. Nelson","doi":"10.1139/cjps-2022-0200","DOIUrl":"https://doi.org/10.1139/cjps-2022-0200","url":null,"abstract":"Abstract The timing and availability of water supply are changing in the Okanagan Valley, and the availability of irrigation water in the late summers is a growing concern. Postharvest deficit irrigation (PDI) is a strategy that can be used to reduce water demands in sweet cherry orchards; previous studies in this region have reported no change in plant physiology or tree growth with irrigation volume reductions of up to 25%, postharvest. However, the effects of more severe postharvest reductions in irrigation volume remain unknown. We compared the effects of full irrigation (100% of conventional grower practice through the growing season) with 27%–33% reductions in irrigation postharvest (∼70% of conventional grower practice) and 47%–52% reductions in irrigation postharvest (∼50% of conventional grower practice) over a 3-year period (2019–2021) in five commercial sweet cherry orchards that ranged in elevation and latitude across the Okanagan Valley, BC, Canada. In the growing season following treatment application, PDI had no effect on stem water potential or photosynthesis in any year and at any site; there were also no effects of PDI treatment on tree growth. Findings from this study suggest that postharvest stem water potentials from −0.5 to −1.3 MPa, and one-time stem water potentials as low as −2.0 MPa, have no lasting effects on future plant water status, rates of photosynthesis, or plant growth. PDI shows potential as an effective water-saving measure in sweet cherry orchards in the Okanagan Valley.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"103 1","pages":"73 - 92"},"PeriodicalIF":1.2,"publicationDate":"2022-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46791792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Forage sorghum grown in a conventional wheat–grain sorghum–fallow rotation increased cropping system productivity and profitability 在传统小麦-谷物-高粱-休耕轮作中种植的饲料高粱提高了种植系统的生产力和盈利能力

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-11-24 DOI: 10.1139/cjps-2022-0171

J. Holman, A. Obour, Y. Assefa

{"title":"Forage sorghum grown in a conventional wheat–grain sorghum–fallow rotation increased cropping system productivity and profitability","authors":"J. Holman, A. Obour, Y. Assefa","doi":"10.1139/cjps-2022-0171","DOIUrl":"https://doi.org/10.1139/cjps-2022-0171","url":null,"abstract":"Abstract Intensifying winter wheat (Triticum aestivum)–grain sorghum [Sorghum bicolor (L.) Moench]–fallow (W–GS–FL) crop rotation with annual forages can increase productivity and resource use efficiency. The objective of this research was to quantify the impact of increasing crop intensity by growing forages in a traditional W–GS–FL rotation on cropping system productivity, water use, precipitation use efficiency, and net income. The study was conducted at the Southwest Research-Extension Center near Garden City, Kansas, from 2013 through 2020. Winter wheat (W), grain sorghum (GS), forage sorghum (FS), and forage oats (FO, Avena sativa L.) were used to generate six crop rotation treatments. These rotation treatments interspersed with fallow periods (FL) were W–GS–FL, W–FS–FL, W/FS–GS–FO, W/FS–FS–FO, W/FS–GS–FL, and W/FS–FS–FL. A W/FS indicates winter wheat double crop FS planted in the same year. The yield of FS was 45%–56% more with W/FS–FS–FO and W/FS–FS–FL compared with W–FS–FL. Available soil water at GS planting was 23%–30% less, and GS yield was 52%–60% smaller with W/FS–GS–FL compared to W–GS–FL. Water productivity and pre-season soil water storage were greatest with W/FS–FS–FL and W/FS–FS–FO. Inclusion of W/FS increased cost of production compared with W–GS(FS)–FL rotations. Gross return was greatest with W/FS–FS–FO and W/FS–FS–FL. The W/FS–FS–FO increased cropping intensity, productivity, resource use, and gross margin relative to other rotations in the semi-arid Great Plains. Producers should consider double-cropping of FS after wheat harvest, followed by a second year of FS in dryland cropping systems if there is sufficient forage demand.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"103 1","pages":"61 - 72"},"PeriodicalIF":1.2,"publicationDate":"2022-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43742196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Diversity in genetic and downy mildew resistance among wild and mutagenized hops as revealed by single nucleotide polymorphisms and disease rating 单核苷酸多态性和病害等级揭示了野生和诱变啤酒花遗传和抗霜霉病的多样性

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-26 DOI: 10.1139/cjps-2022-0102

M. Zaidi, Ashok Somalraju, Kaushik Ghose, J. Mccallum, A. Mills, S. Fillmore, B. Fofana

{"title":"Diversity in genetic and downy mildew resistance among wild and mutagenized hops as revealed by single nucleotide polymorphisms and disease rating","authors":"M. Zaidi, Ashok Somalraju, Kaushik Ghose, J. Mccallum, A. Mills, S. Fillmore, B. Fofana","doi":"10.1139/cjps-2022-0102","DOIUrl":"https://doi.org/10.1139/cjps-2022-0102","url":null,"abstract":"Abstract Studies on wild and landrace hops from the Canadian Maritimes are scarce. This study was undertaken to broaden the genetic base of hops and to assess the reaction of the generated variants to downy mildew (DM) disease. A landrace hop (PE Royalty (P-RL)) and a commercial cultivar (Alpharoma) were mutagenized using ethylmethane sulphonate (EMS), and single nucleotide polymorphism (SNP) variations were determined using an amplicon sequencing genetic diversity study. A subset of wild types and a subset of mutagenized hops were inoculated with DM spores and rated for disease symptoms in a controlled environment. The data showed large EMS-induced genetic diversity in the target genes along with natural variations in the wild types. A diversity in DM resistance within the studied collection was also observed. The study showed DM tolerance in some P-RL landrace seedlings, suggesting that these P-RL landraces must have acquired and developed adaptation mechanisms to co-evolve with DM disease in the environment. Further, EMS-induced mutagenesis increased allelic variations that contributed to increased DM resistance in some seedlings. The data recommend the use of true hop seeds for increased genetic variability in breeding programs.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"103 1","pages":"48 - 60"},"PeriodicalIF":1.2,"publicationDate":"2022-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42894241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

AAC Julius field pea AAC Julius现场负责人

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-21 DOI: 10.1139/cjps-2022-0123

D. Bing, D. Beauchesne, M. Miller, R. Cuthbert, B. Mollison, H. Naeem

引用次数: 0

AAC Aberdeen field pea AAC阿伯丁豌豆

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-21 DOI: 10.1139/cjps-2022-0122

D. Bing, D. Beauchesne, R. Cuthbert, H. Naeem

引用次数: 0

Tools for climate resilience in tree fruit I: large-dwarfing rootstocks can alleviate sunburn damage in “Buckeye Gala” apple 果树气候适应性工具I：大型矮化砧木可以减轻“七叶树Gala”苹果的晒伤

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-12 DOI: 10.1139/cjps-2022-0080

Hao Xu, S. Blatt, D. Ediger

引用次数: 5

Soil fumigation with Vapam (metam sodium) to control clubroot (Plasmodiophora brassicae) of canola (Brassica napus) Vapam土壤熏蒸防治油菜根瘤菌(Plasmodiophora brassicae)

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-07 DOI: 10.1139/cjps-2022-0086

K. Zuzak, S. Strelkov, G. Turnbull, V. Manolii, S. Hwang

引用次数: 0

Increasing bioactive compound levels in Agastache rugosa by hydrogen peroxide soaking in a hydroponic culture system 过氧化氢浸泡在水培系统中提高藿香中生物活性化合物的含量

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2022-10-07 DOI: 10.1139/cjps-2022-0088

Vu Phong Lam, Vu Ky Anh, Dao Nhan Loi, J. Park

{"title":"Increasing bioactive compound levels in Agastache rugosa by hydrogen peroxide soaking in a hydroponic culture system","authors":"Vu Phong Lam, Vu Ky Anh, Dao Nhan Loi, J. Park","doi":"10.1139/cjps-2022-0088","DOIUrl":"https://doi.org/10.1139/cjps-2022-0088","url":null,"abstract":"Abstract Hydrogen peroxide (H2O2) is a reactive oxygen species that can damage a variety of cellular structures. Recent studies have shown that H2O2 can mediate multiple physiological and biochemical processes by acting as a signaling molecule. This study was performed to explore the optimum H2O2 treatments for increasing the bioactive compounds in Agastache rugosa Fisch. & C.A. May plants with roots temporarily immersed in H2O2 concentrations of 0 (control), 4, 8, 16, 32, 64, and 128mmolL−1 in a hydroponic culture system. All cultivated plants were subjected to root soaking with diniconazole (120µmolL−1) at 7days after transplanting to restrict plant height. H2O2 concentrations of 4, 16, and 64mmolL−1 significantly reduced root length compared with no H2O2 treatment. Root fresh weight was significantly lower in response to exposure to 128mmolL−1 H2O2 compared with control plants. Although shoot and root dry weights were lower in plants exposed to 128mmolL−1 H2O2 compared with control plants, no significant differences were detected among treatments. Soaking roots in 16mmolL−1 H2O2 induced the highest rosmarinic acid (RA) content, and 16, 32, and 64mmolL−1 H2O2 significantly increased tilianin content in the whole plant compared with the control. The highest acacetin content was detected under 32mmolL−1 H2O2. In addition, root extract of A. rugosa had the highest RA concentration, and the tilianin concentration was the highest in flowers. Collectively, these results show that soaking roots in 16 and 32mmolL−1 H2O2 at 3.5weeks after transplanting promotes secondary metabolites of hydroponically grown A. rugosa.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"103 1","pages":"39 - 47"},"PeriodicalIF":1.2,"publicationDate":"2022-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48047361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0