Acta Scientiarum. Agronomy.最新文献

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Genetic improvement of black oats: a scientometric review 黑燕麦的遗传改良:科学计量学综述
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-22 DOI: 10.4025/actasciagron.v45i1.60016
Maikely Luana Feliceti, Jean Carlo Possenti, Carlos André Bahry, N. Zuanazzi, N. C. Ghisi, Ilana Niqueli Talino dos Santos, Renan Quisini
{"title":"Genetic improvement of black oats: a scientometric review","authors":"Maikely Luana Feliceti, Jean Carlo Possenti, Carlos André Bahry, N. Zuanazzi, N. C. Ghisi, Ilana Niqueli Talino dos Santos, Renan Quisini","doi":"10.4025/actasciagron.v45i1.60016","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.60016","url":null,"abstract":"There are few new black oat cultivars in Brazil; therefore a reduced number of cultivars are available for the most varied production regions. Strategies aimed at studying genetic variability, such as mutation induction, of the few cultivars available on the market represent alternatives to increase the variety in this sector. The objective of the present study was to prepare a scientometric analysis of studies of the ​​genetic improvement of black oats (Avena strigosa L). The literature review was performed using data from the Web of Science (WoS) from 1945 to 2020. Initially, 859 articles were analyzed, which after refinement, were reduced to 404 for further analysis. This study provides a new method for quantitatively visualizing information regarding the development of this area over time. After searching and refining with the aid of the CiteSpace software (5.6 R4), graphic representations were developed of the scientific journals, authors, countries, subject categories, organizations, and individual publications extracted from the WoS. The results of the analysis indicated a growing trend in the number of publications on the genetic improvement of black oats, as well as the number of citations over the years studied.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"5 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87854414","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
A novel fuzzy approach to identify the phenotypic adaptability of common bean lines 一种鉴定普通豆系表型适应性的新模糊方法
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-22 DOI: 10.4025/actasciagron.v45i1.59854
V. Q. Carneiro, Jussara Mencalha, I. C. Sant’anna, G. N. Silva, Júlio Augusto de Castro Miguel, P. Carneiro, M. Nascimento, C. Cruz
{"title":"A novel fuzzy approach to identify the phenotypic adaptability of common bean lines","authors":"V. Q. Carneiro, Jussara Mencalha, I. C. Sant’anna, G. N. Silva, Júlio Augusto de Castro Miguel, P. Carneiro, M. Nascimento, C. Cruz","doi":"10.4025/actasciagron.v45i1.59854","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.59854","url":null,"abstract":"The genotype by environment interaction is the main factor that influences the response of evaluated genotypes in trials of value for cultivation and use. Adaptability and stability analyses are fundamental to understanding the performance of genotypes in a growing region. Some of these methodologies incorporate previous information for recommending an extra group of genotypes denominated as specific ideotypes under certain cultivation conditions. Based on this strategy, the centroid method and its modifications have been widely used due to the simplicity of classification of the evaluated genotypes. However, these methodologies present problems in identifying adaptability patterns of some genotypes. Artificial intelligence techniques, such as fuzzy C-means, can be an alternative to reduce these difficulties, since they use, in addition to distance information between genotypes, memberships (measures quantifying how much an observation belongs to a particular class) to increase discriminatory power. Therefore, our aim was to propose and evaluate the phenotypic adaptability method by fuzzy clustering to assist cultivar recommendations. The adaptation of the fuzzy C-Means method to classify the genotypes was implemented in BioFuzzy software. The grain yield data of black common bean genotypes were used to evaluate the potential of the method. The results obtained by this method were compared with those obtained by the centroid method. The phenotypic adaptability method by fuzzy clustering was effective in identifying the adaptability patterns of common bean genotypes. Moreover, the discriminatory power was higher than that observed with the centroid method.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"17 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87262510","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
Accuracy of DRIS and CND methods and nutrient sufficiency ranges for soybean crops in the Northeast of Brazil 巴西东北部大豆作物的DRIS和CND方法的准确性和营养充足范围
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-21 DOI: 10.4025/actasciagron.v45i1.59006
H. A. Souza, D. Rozane, P. F. D. M. J. Vieira, E. Sagrilo, L. Leite, Lucélia de Cássia Rodrigues de Brito, Mariana Passos Conceição, A. Ferreira
{"title":"Accuracy of DRIS and CND methods and nutrient sufficiency ranges for soybean crops in the Northeast of Brazil","authors":"H. A. Souza, D. Rozane, P. F. D. M. J. Vieira, E. Sagrilo, L. Leite, Lucélia de Cássia Rodrigues de Brito, Mariana Passos Conceição, A. Ferreira","doi":"10.4025/actasciagron.v45i1.59006","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.59006","url":null,"abstract":"This study aimed to evaluate the nutrition of commercial soybean crops in an agricultural frontier region using the diagnosis and recommendation integrated system (DRIS) and compositional nutrient diagnosis (CND) methods, as well as identify sufficiency ranges. The study was performed by collecting leaf samples (third trifoliate leaf without petiole) at flowering from commercial soybean crops in the states of Piauí and Maranhão, Brazil, and evaluating the crop yield by analyzing macro- and micronutrients in the plant tissue of 98 samples. The DRIS and CND methods were applied based on the cataloged data, followed by the generation of norms, analysis of relationships between yield and nutrients (selecting high-yield crops by the cumulative function of the data), generation of sufficiency ranges, and comparison of methods. The relationships obtained by the DRIS and CND indices with the yield and nutrients were significant, indicating that both methods can be employed for the evaluation of leaf nutrients in soybean. The sufficiency ranges from the DRIS and CND methods presented superior nutrient ranges in relation to the values proposed in the literature for macronutrients, except for nitrogen, and greater range amplitudes for micronutrients.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"8 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87505190","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
New evidence for in vitro conservation of nodal segments of the passion fruit ‘UENF Rio Dourado’ (Passiflora edulis Sims) 百香果“unf Rio Dourado”(Passiflora edulis Sims)节段体外保存的新证据
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-21 DOI: 10.4025/actasciagron.v45i1.59498
Andressa Leal Generoso, V. S. Carvalho, Roberta Aparecida Sales, Naiara Lopes Brito, A. Viana, T. Pereira
{"title":"New evidence for in vitro conservation of nodal segments of the passion fruit ‘UENF Rio Dourado’ (Passiflora edulis Sims)","authors":"Andressa Leal Generoso, V. S. Carvalho, Roberta Aparecida Sales, Naiara Lopes Brito, A. Viana, T. Pereira","doi":"10.4025/actasciagron.v45i1.59498","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.59498","url":null,"abstract":"The germplasm of Passiflora L. is conserved through seed banks and field collections. Dormant seeds, seeds with low viability, and high-cost field collections make it difficult to maintain germplasm banks, and in vitro conservation can be a complementary alternative. The aim of this study was to investigate the survival of nodal segments of Passiflora edulis Sims ‘UENF Rio Dourado’ over 180 days of slow growth in vitro by reducing the mineral salt and sucrose concentrations and changing the incubation conditions (temperature and light intensity). The experiment was conducted in a completely randomized design with a 2 × 3 × 3 factorial arrangement consisting of two temperatures (20 ± 2°C and 27 ± 2°C), three concentrations of MSM mineral salts (100% MSM, 50% MSM, and 25% MSM), and three sucrose concentrations (10, 20, and 30 g L-1). Evaluations were performed at 60, 90, 120, 150, and 180 days for survival, number of leaves, and plant color (using a color scale where 1 = dark green, 2 = light green, and 3 = yellow). After 180 days of culture, mineral salt, sucrose concentration, and incubation temperature affected plant survival, regeneration, and acclimatization. During the 180 days, it was possible to slow the growth of nodal segments of passion fruit ‘UENF Rio Dourado’ in culture medium with 25% MSM mineral salts plus 10 g L-1 sucrose, at an average temperature of 20°C without compromising plant survival, regeneration, and acclimatization.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"14 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72954520","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
Morphophysiological changes in black pepper under different water supplies 不同水分条件下黑胡椒的形态生理变化
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-21 DOI: 10.4025/actasciagron.v45i1.59460
G. C. Teles, L. O. Medici, D. C. Valença, E. S. D. Cruz, D. F. Carvalho
{"title":"Morphophysiological changes in black pepper under different water supplies","authors":"G. C. Teles, L. O. Medici, D. C. Valença, E. S. D. Cruz, D. F. Carvalho","doi":"10.4025/actasciagron.v45i1.59460","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.59460","url":null,"abstract":"The center of origin and domestication of Piper nigrum L. are in high rainfall regions. But when grown in regions with irregular or insufficient rainfall, irrigation becomes essential. This study evaluated the impact of irrigation levels on the physiological and growth characteristics of black pepper plants, cv. Bragantina. It was carried out from April 2019 to May 2020, using automatic activation irrigation. We used emitters with different flow rates to apply water depths corresponding to 100, 81, 62, and 42% of the crop water requirement. The parameters evaluated comprised main stem length (MSL), stem diameter (SD), number of leaves (NL), leaf area (LA), chlorophyll contents, chlorophyll-a fluorescence, and some photosynthetic parameters. The treatments significantly influenced (p < 0.05, F-test) MSL and NL. Plants submitted to the control treatment showed MSL (65.8%) and NL (123%) greater than those irrigated with the smallest volume (p < 0.05, F-test). However, the treatments had no significant effect on SD. Moreover, chlorophyll b levels decreased by 26% and chlorophyll a/b ratio increased by 22% at 120 and 180 DAT, respectively. Some photosynthetic parameters such as FV/FM, ABS/RC, and DI0/RC were affected by water deficit at 120 DAT. Our results suggest the sensitivity of black peppers to water deficit and contribute to the proper management of this crop.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"38 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73151118","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
Bacillus amyloliquefaciens PKM16 acts as an antagonist of white mold and an inducer of defense enzymes in tomato plants 解淀粉芽孢杆菌PKM16在番茄植株中作为白霉拮抗剂和防御酶诱导剂
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-21 DOI: 10.4025/actasciagron.v45i1.59586
A. P. Mattos, B. Rissato, A. T. Itako, J. T. Tolentino Júnior, Katia Regina Frietas Schwan Estrada
{"title":"Bacillus amyloliquefaciens PKM16 acts as an antagonist of white mold and an inducer of defense enzymes in tomato plants","authors":"A. P. Mattos, B. Rissato, A. T. Itako, J. T. Tolentino Júnior, Katia Regina Frietas Schwan Estrada","doi":"10.4025/actasciagron.v45i1.59586","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.59586","url":null,"abstract":"This study aimed to investigate the potential of rhizobacteria isolated from tomato plants to control Sclerotinia sclerotiorum and induce the activity of pathogenesis-related enzymes in Micro-Tom tomato plants. Three rhizobacterial isolates were evaluated to determine the most efficient antagonist agent, which was later identified by gene sequencing as Bacillus amyloliquefaciens PKM16. The antagonistic effects of B. amyloliquefaciens against S. sclerotiorum were assessed in vivo and in vitro using live and autoclaved cultures at concentrations of 0% (control), 20%, 30%, and 40% (v/v). The residual effects of four treatments (20% live culture, 20% autoclaved culture, a Bacillus subtilis-based commercial product, and autoclaved distilled water) on tomato plants inoculated with S. sclerotiorum were determined. The same treatments were also used to assess the myceliogenic germination of sclerotia and induction of plant defense enzymes (peroxidase, catalase, polyphenol oxidase, phenylalanine ammonia-lyase, and β-1,3-glucanase) in tomato plants. The live culture had a residual effect for 4 days and inhibited sclerotial germination by approximately 30%. Furthermore, live and autoclaved bacterial growth cultures stimulated enzyme activity. Therefore, B. amyloliquefaciens PKM16 was antagonistic to S. sclerotiorum, effectively inhibiting mycelial growth and activating defense mechanisms in Micro-Tom tomato plants.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"530 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76130109","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
Yield prediction in banana (Musa sp.) using STELLA model 利用STELLA模型预测香蕉(Musa sp.)产量
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-21 DOI: 10.4025/actasciagron.v45i1.58947
Adelaide Cristielle Barbosa da Silva, Flávio Gonçalves Oliveira, R. Braga
{"title":"Yield prediction in banana (Musa sp.) using STELLA model","authors":"Adelaide Cristielle Barbosa da Silva, Flávio Gonçalves Oliveira, R. Braga","doi":"10.4025/actasciagron.v45i1.58947","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.58947","url":null,"abstract":"To overcome the challenges encountered in banana cultivation, such as the high cost of production due to high water consumption by the banana plant, efficient management practices are being adopted. The use of agricultural forecasting techniques is an alternative that has been gaining attention in rural areas. One way to manage and improve agricultural productivity is the use of technologies that allow the monitoring of production. The implementation of computational tools as software to aid processes, such as irrigation management, is gradually taking up space in the agricultural sector.  In this light, herein, the present study aimed to develop a model using STELLA 8.0 software to estimate the growth and productivity of irrigated banana (Musa sp.). For this, the physiological processes and water demand were calculated using reference evapotranspiration (ET0) and culture evapotranspiration (ETc) in the first banana cycle for the climatic conditions of the Jaíba Project (Jaíba, Minas Gerais State, Brazil). The data of the climatic conditions were obtained from the National Institute of Meteorology. It was verified that the average monthly ET0 was 5.78 mm day-1. In addition, the water requirement of the plant corresponded to a blade equivalent to 65% of ET0. The verified productivity was 8.93 t ha-1, which is considered adequate for the simulated conditions. The model responded efficiently to the proposed application and was characterized as a prognostic tool of reality through simplified representation.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"11 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79753703","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
Proposed diagrammatic scale to assess heat injury in coffee seedling canopy 提出了评价咖啡幼苗冠层热伤害的图解尺度
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-20 DOI: 10.4025/actasciagron.v45i1.58614
L.S. Resende, E. Pozza, R. C. M. Pereira, É. P. Botrel, Karolaine de Cássia Roteli, Júlia Marques Oliveira
{"title":"Proposed diagrammatic scale to assess heat injury in coffee seedling canopy","authors":"L.S. Resende, E. Pozza, R. C. M. Pereira, É. P. Botrel, Karolaine de Cássia Roteli, Júlia Marques Oliveira","doi":"10.4025/actasciagron.v45i1.58614","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.58614","url":null,"abstract":"A diagrammatic scale with five levels (0, 0.1 – 2.0, 2.0 – 6.0, 6.0 – 10, and 10 – 14) was developed and evaluated to measure the symptoms of heat injury in a coffee seedling canopy. The scale was constructed to increase assessment efficiency and align the estimations more closely with the actual values. Two assessments with the diagrammatic scale and one without were conducted with an interval of seven days. The evaluators using the proposed scale presented estimates with better levels of precision, accuracy, reproducibility, and repeatability than those using a conventional method. The proposed diagrammatic scale was shown to provide a reliable estimate for assessing the symptoms of heat injury on the canopy of in Coffea arabica L. seedlings. Therefore, it is possible to standardize heat injury evaluation methods using this diagrammatic scale, allowing for data comparisons with different cultivars.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"64 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82188755","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
Crop growth and macronutrient extraction and export curves for two arrowroot cultivars 两个竹芋品种的作物生长和常量营养素提取及输出曲线
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-20 DOI: 10.4025/actasciagron.v45i1.58132
E. Pereira, M. Puiatti, P. R. G. Pereira, P. Cecon, M.A.N. Sedyama, F. Ribeiro
{"title":"Crop growth and macronutrient extraction and export curves for two arrowroot cultivars","authors":"E. Pereira, M. Puiatti, P. R. G. Pereira, P. Cecon, M.A.N. Sedyama, F. Ribeiro","doi":"10.4025/actasciagron.v45i1.58132","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.58132","url":null,"abstract":"Curves of crop growth and nutrient extraction and export are essential to develop fertilization strategies and management plans to maximize yield and reduce environmental impacts. Our study aimed to evaluate dry matter production and both extraction and export of macronutrients by arrowroots (Maranta arundinacea L.) to be used in further crop fertilization plans. To this purpose, two experiments were carried out in field conditions using the varieties Viçosa and Seta. The experimental design was randomized with four replications and nine periods of analysis, which were defined as days after planting (105, 135, 165, 195, 225, 255, 285, 315, and 345 DAP). Dry matter, extraction, and export of macronutrients by arrowroot seed-rhizomes, aerial parts, roots, and storage roots (rhizomes) were determined. The exports of N, P, K, Ca, Mg, and S of storage rhizomes of the variety Viçosa were 104.6, 51.83, 412.24, 15.85, 36.14, and 64.36 kg ha-1, while those of the seta variety were 160.6, 71.62, 521.31, 17.57, 60.09, and 160.41 kg ha-1, respectively. Both varieties proved to be efficient soil macronutrient extractors, mainly for K. The variety Seta had higher shoot, root, seed-rhizome dry matter contents, as well as greater macronutrient extractions and exports.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88222174","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
Development of interspecific segregating populations of wheat and evaluation of agronomic characteristics and resistance to Fusarium head blight 小麦种间分离群体的开发及其农艺性状和对赤霉病抗性的评价
IF 1.5 4区 农林科学
Acta Scientiarum. Agronomy. Pub Date : 2023-03-20 DOI: 10.4025/actasciagron.v45i1.58054
Patricia Frizon, S. Brammer, C. C. Deuner, A. Chechi, M. I. Lima, R. Castro
{"title":"Development of interspecific segregating populations of wheat and evaluation of agronomic characteristics and resistance to Fusarium head blight","authors":"Patricia Frizon, S. Brammer, C. C. Deuner, A. Chechi, M. I. Lima, R. Castro","doi":"10.4025/actasciagron.v45i1.58054","DOIUrl":"https://doi.org/10.4025/actasciagron.v45i1.58054","url":null,"abstract":"The objective of this study was to develop segregating wheat populations for resistance to gibberella through the introgression of synthetic wheat genes in traditional cultivars and to present the results using the backcross method. In addition, to evaluate these populations in F1RC2, agronomic aspects and type II and III resistance to Fusarium head blight (FHB). The cultivars BRS Guamirim and BRS 179 were used as male parents and three synthetic wheat cultivars (CIGM90.909, CIGM92.1666, and CIGM93.298) as female parents, both previously characterized for the reaction to FHB. Crossing and backcrossing methodological procedures were performed to provide adequate controlled conditions. The F1 (winter 2016), RC1 (summer 2016/2017), and RC2 (winter 2017) populations were developed through emasculation and pollination procedures. In the winter of 2018, segregating populations were evaluated in the field using a randomized block design. In the three generations developed in a greenhouse, it was observed that the best crossbreeding combinations, verified by the number of grains, were obtained with the male parent BRS 179. Under field conditions, all segregating populations were considered moderately susceptible and susceptible to type II resistance. In type III resistance, all segregating populations, except for CIGM90.909/BRS 179 and BRS 179, showed values above 50%. Thus, it was evident that the crossings performed with the male parent BRS 179 generated better resistance to the disease.","PeriodicalId":56373,"journal":{"name":"Acta Scientiarum. Agronomy.","volume":"42 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85739303","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
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