Canadian Journal of Plant Science最新文献_第2页

Yield, nitrogen, and phosphorus uptake, and biological nitrogen fixation in chickpea–flax intercropping systems in southern Saskatchewan 萨斯喀彻温省南部鹰嘴豆-亚麻间作系统的产量、氮磷吸收和生物固氮作用

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-11-08 DOI: 10.1139/cjps-2023-0054

M. Reid, J. Schoenau, J.D. Knight, R. Hangs

{"title":"Yield, nitrogen, and phosphorus uptake, and biological nitrogen fixation in chickpea–flax intercropping systems in southern Saskatchewan","authors":"M. Reid, J. Schoenau, J.D. Knight, R. Hangs","doi":"10.1139/cjps-2023-0054","DOIUrl":"https://doi.org/10.1139/cjps-2023-0054","url":null,"abstract":"The interest in growing pulse crops and oilseeds together as intercrop combinations is increasing. However, little is known about nutrient dynamics in pulse–oilseed intercropping systems in western Canada, particularly the contributions from biological nitrogen fixation (BNF). Kabuli chickpea and brown flax were grown without added fertilizer as monocrops and as intercrops in mixed and alternate seed row configurations at sites located in the Brown (Central Butte, SK) and Black (Redvers, SK) soil zones in 2019 and 2020. Comparison was made of grain and straw yields, nitrogen (N) and phosphorus (P) uptake of grain and straw, and proportion and amount of biologically fixed N contributed from the chickpea and transferred to the flax. The intercrop grain yield land equivalent ratio (LER) and N and P uptake LER values were at or above 1 for the four site-years, indicating benefit from intercropping in increasing total yield and crop N and P uptake from the land area. The proportion of N derived from BNF was not enhanced in this intercrop combination, but considerable biologically fixed N (8%–22%) was transferred from the chickpea to the flax during the growing season. This was associated with reduced depletion of soil N compared to monocrop flax in part due to the contribution of biologically fixed N in the chickpea–flax intercrop system.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"92 s388","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135341757","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

Field Testing of a Physical Impact Mill in the Canadian Prairies 加拿大大草原物理冲击磨机的现场试验

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-10-19 DOI: 10.1139/cjps-2023-0091

Breanne Tidemann, K. Neil Harker, Hugh J Beckie, Hiroshi Kubota, Jennifer Zuidhof, Patty Reid

{"title":"Field Testing of a Physical Impact Mill in the Canadian Prairies","authors":"Breanne Tidemann, K. Neil Harker, Hugh J Beckie, Hiroshi Kubota, Jennifer Zuidhof, Patty Reid","doi":"10.1139/cjps-2023-0091","DOIUrl":"https://doi.org/10.1139/cjps-2023-0091","url":null,"abstract":"Herbicide resistance in western Canada has increased interest in alternative weed management strategies. Physical impact mills, a form of harvest weed seed control, have been identified as a strategy that may be well suited for Canadian use. The efficacy of the Harrington Seed Destructor, a physical impact mill, was evaluated in 20 producer fields in Alberta on a wide spectrum of weed species over 3 years. Significant differences in weed densities between the physical impact mill treatment and the regular harvest densities were few, however some population density reductions were observed. Measurable reductions in weed densities may have been limited by the short timeframe of the experiment, the high initial densities of the weeds, or the targeted weed species having dormancy or longer-term seedbanks. Additionally, identified knowledge gaps on how best to optimize physical impact mill efficacy may have reduced the efficacy of the physical impact mill in this study. This study showed no conclusive evidence for the efficacy of a physical impact mill on tested weed species under field conditions. However, it did provide a number of important considerations for future studies.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135729443","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

An improved design for a zero-tillage experimental plot drill 免耕试验田钻机的改进设计

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-10-12 DOI: 10.1139/cjps-2023-0094

Brian L Beres, Steven Simmill, Warren Taylor, Ryan J Dyck, Joel Hubert

引用次数: 0

Variability of Index of Absorbance Difference (IAD) to indicate fruit maturity at harvest for major apple cultivars in Ontario 安大略省主要苹果品种果实成熟期吸光度差指数(IAD)的变异性

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-10-06 DOI: 10.1139/cjps-2023-0007

Younes Mostofi, Jennifer R. DeEll

{"title":"Variability of Index of Absorbance Difference (IAD) to indicate fruit maturity at harvest for major apple cultivars in Ontario","authors":"Younes Mostofi, Jennifer R. DeEll","doi":"10.1139/cjps-2023-0007","DOIUrl":"https://doi.org/10.1139/cjps-2023-0007","url":null,"abstract":"The overall objective of this study was to evaluate the index of absorbance difference ( I AD ) of four major apple cultivars in Ontario (‘Honeycrisp’, ‘Ambrosia’, ‘Gala’, and ‘McIntosh’) during the harvest window over multiple seasons (≥4 years), as well as its relationship with fruit firmness, internal ethylene concentration, and starch index values. I AD values differed among the four cultivars, with ‘McIntosh’ having the highest I AD (1.03–1.33) overall and ‘Gala’ having the lowest (0.19–0.56). Principal component analysis showed that the cultivars were separated into distinct groups. ‘Honeycrisp’ was clustered with starch and ethylene, while ‘Gala’ and ‘McIntosh’ were mainly clustered with firmness and I AD , respectively. Variable correlations between I AD and other maturity indices were found over the years. The negative relationship between I AD and ethylene for ‘Gala’ showed variability with R 2 ranging from 0.008 in 2012 to 0.47 in 2018. The correlation between I AD and starch for ‘Gala’ was very strong ( r s = −0.82 **** ) in 2018, whereas it was not significant in any year for ‘McIntosh’. Overall, I AD may relate to harvest maturity, but it did not correlate closely or consistently with other maturity indices, varied greatly year to year, and was cultivar dependent. I AD measures are not consistently related to fruit maturity every year, making reliability difficult to attain.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135345436","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

CO481 corn inbred line CO481玉米自交系

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-09-26 DOI: 10.1139/cjps-2023-0097

Aida Z Kebede, Constantin Voloaca, Jinhe Wu, Brett Bowman, Zhong Wang, Tsegaye Woldemariam, Xiaoyang Zhu

引用次数: 0

Endophytic fungi of soybean (Glycine max (L.) Merr). and their potential applications 大豆内生真菌(Glycine max (L.))稳定)。以及它们的潜在应用

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-09-15 DOI: 10.1139/cjps-2023-0070

Ahmed Abdelmagid, Anfu Hou, Champa Wijekoon

引用次数: 0

Evaluation of Vicia faba plant genotypes using non-destructive vibrational molecular spectroscopic technique (ATR-FT/IR): molecular structure profiles of protein in relation to nutritional characteristics 利用非破坏性振动分子光谱技术(ATR-FT/IR)评价蚕豆植物基因型:与营养特性相关的蛋白质分子结构谱

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-09-15 DOI: 10.1139/cjps-2022-0252

Maria E. Rodríguez Espinosa, Peiqiang Yu

{"title":"Evaluation of <i>Vicia faba</i> plant genotypes using non-destructive vibrational molecular spectroscopic technique (ATR-FT/IR): molecular structure profiles of protein in relation to nutritional characteristics","authors":"Maria E. Rodríguez Espinosa, Peiqiang Yu","doi":"10.1139/cjps-2022-0252","DOIUrl":"https://doi.org/10.1139/cjps-2022-0252","url":null,"abstract":"This study aimed to evaluate the impact of genotypes and tannin levels on the nutritional characteristics of faba bean seeds and their relation to protein molecular structure profiles using Fourier transform infrared spectroscopy (FTIR). Eight genotypes with low tannin (LT, n = 3) and normal tannin (NT, n = 5) levels were studied. Standard methods of analysis and NRC 2001 were used to obtain chemical and energy parameters. The protein molecular spectral study was performed using a spectrometer JASCO FT/IR–4200. Molecular features were analyzed in the mid-infrared region at ~4000–800 cm −1 and protein-related functional groups were obtained using OMNIC software. Results showed higher ( P < 0.01) soluble crude protein (SCP), rapidly degradable protein fraction (PA2), and intestinal digestibility of bypass protein (dIDP) in LT than NT. The slowly degradable protein fraction (PB2) was higher in NT ( P < 0.01) compared to LT. Higher absorbance was observed in spectral peaks related to amide I, amide II, and β-sheet in NT ( P < 0.05) compared to LT. The area ratio of amide I to amide II and the height ratio of α-helix to β-sheet were higher in LT compared to NT ( P < 0.01). This study provides a better understanding of associations between structure and nutritional characteristics in faba bean genotypes with different tannin levels.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135397094","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

Differential susceptibility of Iowa waterhemp (Amaranthus tuberculatus) populations to 2,4-D, dicamba, and glufosinate 爱荷华水麻(Amaranthus tuberculatus)种群对2,4- d、麦草畏和草铵膦的敏感性差异

4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-09-15 DOI: 10.1139/cjps-2023-0081

Ryan C. Hamberg, Ramawatar Yadav, Micheal D.K. Owen, Mark A. Licht

引用次数: 0

A prospective insight into the reproduction of Sternbergia clusiana K. Gawl. – An endangered species 山参繁殖的前瞻性研究。-濒危物种

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-09-08 DOI: 10.1139/cjps-2023-0039

M. G. Ghehsareh, S. Mahdavi, Abbas Peyrovan, Mehdi Ghasemi Nafchi, Bruce L. Dunn

{"title":"A prospective insight into the reproduction of Sternbergia clusiana K. Gawl. – An endangered species","authors":"M. G. Ghehsareh, S. Mahdavi, Abbas Peyrovan, Mehdi Ghasemi Nafchi, Bruce L. Dunn","doi":"10.1139/cjps-2023-0039","DOIUrl":"https://doi.org/10.1139/cjps-2023-0039","url":null,"abstract":"Sternbergia clusiana (SC) is a bulbous plant having an alluring ornamental flower, medicinal properties, and an endangered status due to climate-change ecology. However, the methods of propagation for conserving this notable species have been neglected. The main aim of this study was to evaluate the influence of plant growth regulators (PGRs) on SC regeneration by virtue of an asexual propagation method, with the intention of preserving this endangered species from extinction. In this regard, having collected the bulbs from a wild habitat, bulbs were cut in accordance with the chipping technique. Thereafter, pieces were treated with 6-benzylaminopurine (BAP) at 250, 500, and 1000 mg L-1, 1-naphthaleneacetic acid (NAA), at 100, 250, and 500 mg L-1, putrescine (PU) at 50, 100, and 200 mg L-1, BAP and NAA combination, BAP and PU combination, and a control. Pieces were then transferred into primary and terminal growing media under laboratory and greenhouse conditions, respectively. Next, the number, length, width, and weight of bulbs were determined. The greatest bulb number (2.10 count), bulb length (26.75 mm), bulb width (16.25 mm), and bulb weight (3.13 g) were observed in the PU treatments. In addition, the results showed that even though the treated bulbs with BAP and PU combinations had preferable performance generally, the results were inconsistent. Taken together, this research indicates that utilizing asexual propagation along with PGRs, in the proper dosage, can serve as a mechanism to protect the endangered geophyte from extinction in nature.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45236801","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

Wood age, rootstocks and cultivars drive the formation of productivity and fruit size in sweet cherry 木龄、砧木和品种驱动甜樱桃生产力和果实大小的形成

IF 1.2 4区农林科学

Canadian Journal of Plant Science Pub Date : 2023-08-22 DOI: 10.1139/cjps-2023-0069

P. Bondarenko, I. Yudytska, Olha Alekseeva

{"title":"Wood age, rootstocks and cultivars drive the formation of productivity and fruit size in sweet cherry","authors":"P. Bondarenko, I. Yudytska, Olha Alekseeva","doi":"10.1139/cjps-2023-0069","DOIUrl":"https://doi.org/10.1139/cjps-2023-0069","url":null,"abstract":"To maintain the high yields and fruit quality necessary for profitability of sweet cherry production, it is important to consider precision crop load and canopy management techniques during limb renewal. The effects of branch section age, rootstock, and cultivar on spur and flower density and fruit quality have been discussed in previous studies, but most of them focus on a limited range of fruiting wood ages and scion-rootstock combinations. This study aims to analyse the processes of sweet cherry productivity and fruit size formation on a wide range of wood age to determine the limit after which branch preservation is not sustainable, and to evaluate the influence of rootstocks and cultivars on these parameters. The results indicate that wood age is one of the main drivers of productivity formation in cherry. The highest flower density was observed on 3-year-old branch sections – 324 flowers per linear m, due to high spur density, number of reproductive buds per spur and flowers per bud. Productivity on 2-year-old wood was also good (256 flowers per linear m), while a sharp decline in flower density was noted on 4- and 5-year-old wood. The largest fruits were formed on young branch sections, with a significant decline in fruit weight and diameter on 4- and 5-year-old sections. Rootstock vigour had a bigger effect on floral organ induction on 1-year-old shoots, than on spurs. Based on the results, it is advisable to regularly renew lateral branches older than 3 years to maintain high yield efficiency and fruit quality.","PeriodicalId":9530,"journal":{"name":"Canadian Journal of Plant Science","volume":"11 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41269463","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