Revista Caatinga最新文献_第2页

Vegetative propagation strategies in commercial pineapple cultivars 菠萝商品品种无性繁殖策略研究

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n304rc

Maria do R. A. de Almeida, E. H. Souza, E. M. Costa, F. V. Souza

{"title":"Vegetative propagation strategies in commercial pineapple cultivars","authors":"Maria do R. A. de Almeida, E. H. Souza, E. M. Costa, F. V. Souza","doi":"10.1590/1983-21252023v36n304rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n304rc","url":null,"abstract":"ABSTRACT The production of healthy pineapple seedlings for commercial plantations has been one of the main limiting factors of the species, and the search for improvements to meet this demand has been constant. Therefore, the present study aimed to compare different propagation strategies (natural tillering, stem sectioning, and micropropagation) in three commercial cultivars 'BRS Imperial', 'Pérola', and Gold 'MD-2' of pineapple. Three methods of vegetative propagation were evaluated: conventional, stem sectioning, and micropropagation. The evaluations consisted of the number of seedlings produced by each method and the period for their development until planting in the field. According to the conventional propagation technique results, the young seedling type in the cultivar 'Pérola' was more abundant. In the propagation by sectioning the stem, the 'BRS Imperial' cultivar presented the highest number of seedlings. Regarding the micropropagation technique, the highest production of shoots was observed in the third subculture for all cultivars, especially for ‘BRS Imperial’, which presented the highest total number of shoots in all subcultures. It was concluded that the micropropagation technique proved efficient in producing uniform seedlings on a large scale, in addition to having an advantage in the greater number of seedlings produced compared to the other methods studied.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41279372","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

Proximate composition, minerals, tannins, phytates and cooking quality of commercial cowpea cultivars 商品豇豆品种的近似成分、矿物质、单宁、植酸酶和烹饪质量

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n322rc

Adolfo M. C. de Oliveira, Abdias Jean, K. J. Damasceno-Silva, R. S. R. Moreira-Araújo, Luis J. D. Franco, M. M. Rocha

{"title":"Proximate composition, minerals, tannins, phytates and cooking quality of commercial cowpea cultivars","authors":"Adolfo M. C. de Oliveira, Abdias Jean, K. J. Damasceno-Silva, R. S. R. Moreira-Araújo, Luis J. D. Franco, M. M. Rocha","doi":"10.1590/1983-21252023v36n322rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n322rc","url":null,"abstract":"ABSTRACT Cowpea is a socioeconomically important legume in the Northeast region of Brazil, and the most grown and consumed type of bean, representing the main source of low-cost vegetable protein for rural and urban populations in this region. The objective of this work was to characterize the proximate composition, minerals, tannins, phytic acid, and cooking quality of whole grains of cowpea from the commercial cultivars BRS Aracê, BRS Inhuma, and BRS Xiquexique. Grain samples of the cultivars were ground in a zirconium ball mill and the flour was used for analysis. The proximate composition was carried out according to the AOAC methodology. The minerals were determined by nitro-perchloric digestion and reading in a flame atomic absorption spectrophotometer. The anti-nutritional factors tannins and phytic acid were determined by extraction and reading in a spectrophotometer. Cooking quality was assessed using an electric pressure cooker and then a Mattson cooker. A completely randomized experimental design was used, with three treatments (cultivars) and three replications. The data were subjected to analysis of variance and the means were compared by the Tukey's test (p<0.05). The cowpea cultivars showed significant differences (p<0.05) for most characteristics evaluated and were similar in terms of ash, lipids, total dietary fiber, and most macrominerals. The results showed that grains of the cultivars BRS Aracê and BRS Xiquexique are excellent sources of dietary fiber, proteins, and minerals and present high cooking quality, while grains of the cultivar BRS Inhuma stood out regarding carbohydrates, soluble dietary fibers, total energetic value, and low levels of factors, anti-nutritional tannins and phytic acid.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46695346","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

Formation of guava seedlings under irrigation with water of different cationic natures and salicylic acid 不同阳离子和水杨酸灌溉番石榴幼苗的形成

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n318rc

Claudiene M. de Queiroga, G. S. Lima, R. A. F. Torres, Francisco J. da S. Paiva, L. A. A. Soares, H. Gheyi

{"title":"Formation of guava seedlings under irrigation with water of different cationic natures and salicylic acid","authors":"Claudiene M. de Queiroga, G. S. Lima, R. A. F. Torres, Francisco J. da S. Paiva, L. A. A. Soares, H. Gheyi","doi":"10.1590/1983-21252023v36n318rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n318rc","url":null,"abstract":"ABSTRACT The objective of this study was to evaluate gas exchange, biomass, and quality of guava seedlings as a function of the cationic nature of the water used in irrigation and foliar application of salicylic acid. The experiment was carried out in a greenhouse in Pombal, PB, Brazil, using a randomized block design, in a 6 × 4 factorial scheme with six cationic compositions of irrigation water [S1 - Control (supply water); S2 - Na+; S3 - Ca2+; S4 - Na++Ca2+; S5 - Mg2+, and S6 - Na++Ca2++Mg2+], associated with four concentrations of salicylic acid (0, 1.3, 2.6, and 3.9 mM), with 3 replicates. Plants in control (S1) were irrigated with water of electrical conductivity (ECw) of 0.3 dS m-1, while in the other treatments were irrigated with different types of water and had an ECw of 4.3 dS m-1, consisting of different cations, in the form of chloride. In the seedling formation phase, guava plants were sensitive to calcic water, which resulted in a marked decrease in their growth. Stomatal conductance, transpiration, and biomass accumulation of guava seedlings were more affected by variation in electrical conductivity than by cationic nature of the water. Salicylic acid at concentrations of 2.9 and 1.9 mM increased stomatal conductance and stem dry biomass, respectively, of guava seedlings. Water with ECw of 4.3 dS m-1 allowed the formation of guava seedlings with acceptable quality for transplanting to the field, regardless of the cationic nature of the water.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48866200","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

Enhancing melon production and quality through the application of 'Lithothamnium' 应用“石蒜”提高甜瓜产量和品质

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n312rc

A. M. Negreiros, Naama J. de A. Melo, H. D. S. Barboza, Rui Sales Júnior

{"title":"Enhancing melon production and quality through the application of 'Lithothamnium'","authors":"A. M. Negreiros, Naama J. de A. Melo, H. D. S. Barboza, Rui Sales Júnior","doi":"10.1590/1983-21252023v36n312rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n312rc","url":null,"abstract":"ABSTRACT In Brazil, melon production is distinguished by its superior quality. One of the major challenges in this sector lies in the use of fertilizers, particularly due to import dependencies. In this context, Lithothamnium, a seaweed derivative that supplies calcium and magnesium and enhances the physical, chemical, and biological properties of the soil, presents a viable solution. This study aimed to assess the impact of varying doses (whole [W] or fractional [F]), intervals, and application modes of Lithothamnium on melon yield and quality. The experimental investigation was carried out at Fazenda Dina - Dinamarca Industrial Agrícola, located in Mossoró, Brazil. An experimental design consisting of randomized blocks with 11 treatments and four replications was implemented. Melons were harvested 75 days post-sowing. Results revealed no significant differences for most variables as per the Scott Knott test (5% probability). However, noteworthy statistical differences were observed concerning productivity, peel thickness, pulp firmness, pH, and total sugar content. All treatments involving the use of Lithothamnium demonstrated an increase in productivity (25.6 to 29.8 t ha-1) and peel thickness (0.80 to 1.02 cm). In terms of pulp firmness, treatments using Lithothamnium in nanoparticle form and as a concentrated suspension with application times of 10-20-30 and 30-50 exhibited higher values (25.66 to 27.81 N). Except for the micronized powder variant, all Lithothamnium treatments yielded the highest pH values (6.84 to 6.94). Total sugar content was found to be highest in treatments T3, T4, and T5 (11.58%, 12.50%, and 11.78%, respectively).","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48715749","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

Production of pear cv. ‘Triunfo’ under irrigation systems and depths in the sub-middle São Francisco region 在São Francisco亚中部地区灌溉系统和深度下生产“Triunfo”梨

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n315rc

Victor H. F. Gomes, W. L. Simões, M. S. Garrido, P. Lopes, Jucicléia S. da Silva

{"title":"Production of pear cv. ‘Triunfo’ under irrigation systems and depths in the sub-middle São Francisco region","authors":"Victor H. F. Gomes, W. L. Simões, M. S. Garrido, P. Lopes, Jucicléia S. da Silva","doi":"10.1590/1983-21252023v36n315rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n315rc","url":null,"abstract":"ABSTRACT Aiming at the search for a new alternative for the sustainability of the properties in the irrigated areas of the Brazilian Northeast, the objective of this study was to identify the ideal irrigation system and depth for a better yield and quality of pear fruits in the Sub-middle São Francisco region. The experiment was conducted in the commercial orchard of the Frutos do Sol farm, located in the municipality of Petrolina, PE, Brazil, from October 2016 to November 2017. The treatments consisted of four irrigation depths (60; 80; 100 and 120% of crop evapotranspiration - ETc), under two irrigation systems (drip and micro-sprinkler), in two crop cycles of ‘Triunfo’ pear. Yield, average fruit weight, water productivity, pulp firmness and titratable acidity, total soluble solids and lightness of the fruits were analyzed. Irrigation depths of 96.04% and 94.84% ETc promote, respectively, the highest marketable yields for the first (43.48 t ha-1) and second (26.55 t ha-1) cycle of ‘Triunfo’ pear in the Brazilian semi-arid region. Drip irrigation system in the warmer period promotes higher yield. The cultivation of ‘Triunfo’ pear irrigated by drip and micro-sprinkler promotes fruits with good commercial quality in the Brazilian semi-arid region.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46650254","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

Interactions between ants and mealybugs in sugarcane: species and effects on insect pests 甘蔗中蚂蚁与粉蚧的相互作用:种类及对害虫的影响

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n325rc

J. Marchiori, Fábio S. de Almeida, A. Mayhé-Nunes, Rafael V. L. Nobre, H. H. Paulo

{"title":"Interactions between ants and mealybugs in sugarcane: species and effects on insect pests","authors":"J. Marchiori, Fábio S. de Almeida, A. Mayhé-Nunes, Rafael V. L. Nobre, H. H. Paulo","doi":"10.1590/1983-21252023v36n325rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n325rc","url":null,"abstract":"ABSTRACT The objective of this work was to evaluate ant species interacting with mealybugs in sugarcane plantations, the frequency of occurrence, and the effects of the interaction with ants on mealybug population size. The data was collected in a sugarcane plantation area in Seropedica, Rio de Janeiro, Brazil. The insect species were collected from 70 thoroughly inspected sugarcane plants and the nature and frequency of the interactions were evaluated. The effect of the interaction with ants on mealybug abundance was evaluated by counting the number of adult females of each mealybug species on ten plants isolated and ten plants not isolated from ants. Two mealybug species were collected: Aclerda takahashii (Kuwana, 1932) and Saccharicoccus sacchari (Cockerell, 1895). Ten and seven ant species were found interacting with A. takahashii and S. sacchari, respectively, which were distributed among six genera; the most frequent genera were Crematogaster and Camponotus. Three ant species interacted exclusively with A. takahashii, whereas the others interacted with both mealybug species. The abundance of A. takahashii females was significantly higher on non-isolated than on isolated plants (Paired t-test; t = 2.34; p = 0.04). However, no significant difference in S. sacchari abundance was found between isolated and non-isolated plants (t = 0.27; p = 0.8), nor for the two species combined (t = 1.9; p = 0.09). Thus, ant species that interact with mealybugs in sugarcane plantations cause increases in A. takahashii populations which, at a larger scale, can reduce crop yield.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44370711","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

Emergence and development of weeds according to the sowing depth and light intensity 根据播种深度和光照强度杂草的出现和发育

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n303rc

R. F. Marques, G. S. F. Souza, C. C. Martins, S. R. Marchi, D. Martins

{"title":"Emergence and development of weeds according to the sowing depth and light intensity","authors":"R. F. Marques, G. S. F. Souza, C. C. Martins, S. R. Marchi, D. Martins","doi":"10.1590/1983-21252023v36n303rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n303rc","url":null,"abstract":"ABSTRACT Understanding weed emergence and development aspects is essential in decision-making for management strategies. The study evaluated the effects of different sowing depths and light intensities on the emergence and development of the weeds Sida rhombifolia and Senna obtusifolia under field conditions. Each species constituted an experiment, and the experimental design used was completely randomized, with four replications. The treatments were arranged in a 6 x 4 factorial scheme, with the first factor corresponding to the six sowing depths (0.5; 1.0; 2.0; 4.0; 8.0, and 12.0 cm) and the second at four light intensities (100%, 70%, 50%, and 30% of sunlight). The seedling emergence was evaluated daily to obtain the emergence and emergence speed index. The height, time to floral induction, and dry matter of plants at flowering were also evaluated. When submitted to different levels of shading, S. rhombifolia seedlings emerge up to 12.0 cm deep. S. obtusifolia seedlings emerge at all sowing depths, even when subjected to different solar radiation intensities. Seedlings of S. rhombifolia and S. obtusifolia emerge less and slower in sowings between 8.0 and 12.0 cm depth and develop better under full sunlight in sowings between 1.0 and 4.0 cm depth. Therefore, greater depths delay the development of both species, which is important information for managing these weeds.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48010512","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

Productivity and optimized economic efficiency of carrot roots in monocropping under green manuring 绿色施肥条件下单作胡萝卜根系生产力及优化经济效益研究

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n310rc

I. A. D. S. Freitas, F. B. Bezerra Neto, J. D. Lima, J. P. P. D. Silva, R. C. Ferreira, N. M. Guerra

{"title":"Productivity and optimized economic efficiency of carrot roots in monocropping under green manuring","authors":"I. A. D. S. Freitas, F. B. Bezerra Neto, J. D. Lima, J. P. P. D. Silva, R. C. Ferreira, N. M. Guerra","doi":"10.1590/1983-21252023v36n310rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n310rc","url":null,"abstract":"ABSTRACT A great challenge of scientific research with carrot in semi-arid regions is obtaining the best productive characteristics and economic conditions by optimizing the green manure amounts using spontaneous species from the Caatinga biome, such as hairy woodrose (Merremia aegyptia L.) and roostertree (Calotropis procera Ait.). Therefore, this work aimed to agronomically and economically optimize the production of carrot roots in monocropping and of their components when fertilized with equitable biomass amounts of these spontaneous species in two cropping seasons in a semi-arid environment. The experimental design was a randomized complete block design, with five treatments and five replications. The treatments consisted of equitable amounts of hairy woodrose and roostertree biomass in amounts of 16, 29, 42, 55, and 68 t ha-1 on a dry basis. In each experiment, an additional carrot treatment without fertilizer (absolute control) was planted for comparison with the other treatments to determine maximum physical and economic efficiency. Carrot fertilization was performed with the incorporation of 48.87 t ha-1 of M. aegyptia and C. procera dry biomass into the soil to obtain the maximum optimized productive efficiency (commercial productivity). The maximum optimized agroeconomic efficiency (net income) of carrot cultivation was obtained when 49.64 t ha-1 of M. aegyptia and C. procera dry biomass was added to the soil. The use of biomass from these spontaneous species from the Caatinga biome as green manure is a viable technology for tuberose producers in monocropping in semiarid environments.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48391810","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

Phytosociology of an open arboreal caatinga with high basal area in the Seridó desertification region, Brazil 巴西Seridó沙漠化地区一种高基底面积的开放式树栖草的植物社会学

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n313rc

A. V. S. D. Medeiros, Rozileudo da S. Guedes, Pierre F. de Souza, Fernando C. V. Zanella

{"title":"Phytosociology of an open arboreal caatinga with high basal area in the Seridó desertification region, Brazil","authors":"A. V. S. D. Medeiros, Rozileudo da S. Guedes, Pierre F. de Souza, Fernando C. V. Zanella","doi":"10.1590/1983-21252023v36n313rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n313rc","url":null,"abstract":"ABSTRACT Seridó is one of the driest regions in the Caatinga biome, Northeastern Brazil, affected by a long history of anthropogenic impact, and today it is considered a desertification region. A phytosociological survey of woody species was carried out in an area at Morada das Jandairas Farm (MJF), in Santana do Seridó, Rio Grande do Norte, which still has a significant arboreal component despite maintaining an extensive cattle production, and compared it with data from other five inventories carried out in the region. Seventeen species from ten botanical families were found, with Fabaceae and Euphorbiaceae being the most diversified. Commiphora leptophloeos and Croton blanchetianus stood out as the most important species. The high floristic composition similarity among the six compared studies indicates that the different phytophysiognomies may be result of anthropogenic action and regeneration processes. The relatively high Basal Area in the MJF (26.8 m2 ha-1) stands out even considering inventories carried out throughout the Caatinga region, which is largely due to the presence of many large trees (C. leptophloeos). Considerations about the ecological importance of large and old trees are made, with recommendations for the methodology of phytosociological inventories.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49500194","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

Ploidy estimation and pre-selection of banana autotetraploids after in vitro polyploidy induction 香蕉离体多倍体诱导后同源四倍体的倍性估计和预选择

IF 0.9 4区农林科学

Revista Caatinga Pub Date : 2023-09-01 DOI: 10.1590/1983-21252023v36n302rc

Viviane P. Borges, D. G. Silveira, M. P. S. D. Costa, J. A. Santos-Serejo, S. O. Silva

{"title":"Ploidy estimation and pre-selection of banana autotetraploids after in vitro polyploidy induction","authors":"Viviane P. Borges, D. G. Silveira, M. P. S. D. Costa, J. A. Santos-Serejo, S. O. Silva","doi":"10.1590/1983-21252023v36n302rc","DOIUrl":"https://doi.org/10.1590/1983-21252023v36n302rc","url":null,"abstract":"ABSTRACT This study aimed to evaluate the efficiency of the parameters fresh leaf mass and stomatal density in the estimation of ploidy and pre-selection of putative banana autotetraploids. Young plants of the diploid cultivar Ouro (AA), previously subjected to in vitro polyploidization with the antimitotic amiprofos-methyl - APM (0, 10, 20, 30, 40, and 60 µM L-1) and colchicine (2.5 mM L-1) were evaluated for survival, height, number of leaves, pseudostem diameter, leaf disc fresh mass, and stomatal density. Ploidy was determined by flow cytometry in a random sample of 200 plants to find the relationship between the genomic content and the analyzed variables. Spearman’s correlation analysis showed a strong correlation (0.84**) between leaf disc fresh mass and tetraploid plants, as well as an absence of significant correlation between stomatal density and ploidy levels. Thus, the pre-selection of plants was carried out using a reference value of leaf disc fresh mass and resulted in 688 plants pre-selected as putative tetraploids. Among them, 318 were confirmed as tetraploids, 291 as diploids, and 79 as mixoploids after flow cytometry analysis. The pre-selection efficiency was 46.2% of tetraploid plants from the total pre-selected. The results indicate that the use of leaf disc fresh mass is a simple, practical, and promising method to estimate ploidy when a high number of plants is obtained in in vitro banana polyploidization studies, reducing the total number of plants to have confirmed ploidy.","PeriodicalId":21558,"journal":{"name":"Revista Caatinga","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43497098","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