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Container volume and shading in Parkia multijuga Benth. propagation in nursery multijuga公园底部的容器体积和遮阳。苗圃繁殖
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-07-15 DOI: 10.21826/2446-82312020v75e2020012
Luiz Maekawa, M. Coelho, O. L. S. Weber
Parkia multijuca Benth . is one of the Forest species that occurs in the Amazon region. The aim of the this study was evaluate the development of seedlings of Parkia multijuga in differents shading and container volume in nursery. The experimental design was a randomized block design in 4 x 4 subplotplot (4 shadings and 4 containers volumes). The shading was 0, 30, 50 and 70% and containerv olumes 110, 180, 290 and 400 cm³. The diameter, root drymass, shootdrymass, total dry mass and the Dickson quality index of the seedlings increased proportionally with container volume and with the availability of light. The conduction of the seedlings in full sun and container volume 400 cm³ favors the development of P. multijuga quality seedlings and 70% shading should not be used in nurseries to produce P. multijuga seedlings.
白头翁是亚马逊地区的一种森林物种。研究了不同遮荫条件和不同容器容积条件下青松幼苗的发育情况。实验设计为随机区组设计,分为4 × 4个亚区(4个阴影区和4个容器区)。遮阳分别为0、30、50和70%,容器容积分别为110、180、290和400 cm³。幼苗直径、根干质量、枝干质量、总干质量和Dickson质量指数随容器容积和光照利用率成比例增加。在充分日照和容器容积为400 cm³的条件下进行幼苗传导有利于多刺麻优质苗的发育,苗圃不宜采用70%遮荫来生产多刺麻幼苗。
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引用次数: 0
Pseudofilamentous desmids (Zygnematophyceae) from an Amazonian floodplain lake (Macapá, AP, Brazil) 亚马孙河漫滩湖(macap<e:1>, AP,巴西)的假丝状底螺(Zygnematophyceae)
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-07-03 DOI: 10.21826/2446-82312020v75e2020010
C. Araújo, C. Bicudo, L. Takiyama, S. Melo
The aim of this study was to conduct a floristic inventory and taxonomical characterization of the pseudofilamentous desmids from a floodplain lake in the Oriental Amazon, Northern Brazil. Twenty-one taxa were identified and described. Desmidium quadratum var. constrictum Nordstedt, Haplozyga armata var. armata (Nordstedt) Raciborski, and Spondylosium rectangulare var. goyazense Forster were registered for the first time for the Amazon region. Desmidium longatum Wolle, has only been recorded previously in North America and is now registered for the first time in Brazil. According to their frequency of occurrence during the study period, 10 taxa were considered frequent, nine were less frequent, and two were considered rare. Most taxa were collected during both the rainy and the dry (less rainy) seasons, whereas six taxa were exclusively found during the rainy period.
本研究的目的是对巴西北部亚马孙东部河漫滩湖泊的假丝状小蠹进行区系清查和分类鉴定。鉴定并描述了21个分类群。在亚马逊河流域首次登记到的物种有:菱形棘藓(Desmidium quadratum var. constrictum Nordstedt)、菱形棘藓(Haplozyga armata var. armata (Nordstedt) Raciborski)和矩形棘藓(spondyloum rectangare var. goyazense Forster)。长叶菊(Desmidium longatum Wolle)以前只在北美有记录,现在首次在巴西登记。根据其在研究期间的出现频率,10个分类群被认为是频繁的,9个分类群出现频率较低,2个分类群被认为是罕见的。大部分分类群在雨季和旱季均有发现,只有6个分类群只在雨季发现。
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引用次数: 0
Banco de sementes em reflorestamento, borda e interior de remanescente de floresta estacional semidecidual no sul do Brasil 在巴西南部半落叶季节性森林遗迹的边缘和内部重新造林的种子库
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-05-11 DOI: 10.21826/2446-82312020v75e2020008
Larissa Rafaela Bargoena, A. L. Cavalheiro, Edmilson Bianchini
In order to compare the composition of the seed bank in the seasonal semi-deciduous forest remnant and in the adjacent reforestation, 60 soil samples were collected in four transects allocated in the forest interior (TIF), forest edge (TBF), reforestation edge (TBR) and reforestation interior (TIR). These samples were kept in greenhouse and monitored for eight months. The seed bank was registered according to the seedling emergence method. TIF presented the greatest richness of trees, while in the other transects there was a predominance of herbaceous and anemochorous species. We observed the occurrence of exotic species in the bank. The low richness of tree species in the reforestation seed bank, despite its proximity to a conserved fragment, suggests that management actions should be evaluated and implemented in order to accelerate the successional process.
为了比较季节性半落叶林残余林和邻近的再造林中种子库的组成,在森林内部(TIF)、森林边缘(TBF)、再造林边缘(TBR)和再造林内部(TIR) 4个样地采集了60份土壤样品。这些样品在温室中保存并监测了8个月。种子库按出苗法登记。TIF样带树木丰富度最高,其他样带以草本和风性植物为主。我们观察到河岸上出现了外来物种。再造林种子库中的树种丰富度较低,但接近于一个受保护的片段,这表明应评价和实施管理措施,以加速演替过程。
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引用次数: 0
Effect of the seed maturation stage and pre-germination treatments on emergence of Erythrina crista-galli L. 种子成熟期和发芽前处理对红花出苗的影响。
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-04-08 DOI: 10.21826/2446-82312020v75e2020007
Thales Castilhos de Freitas, G. Gomes, E. Guarino, A. Molina, Fabricio Sanches Medeiros, L. D. S. Souza, A. Miura, Letícia Penno de Sousa, J. Cardoso
The main goals of this study were to verify the existence of integumentary seed dormancy in Erythrina crista-galli seeds from mature pods and evaluate the seedling emergence from newly collected seeds in two stages of physiological maturation. Methods of overcoming dormancy were tested by comparing seedling emergence rate, mean emergence time and emergence index, with treatments: TC – control; T1– sanded and soaked in water for 48 h; T2 – sanded and soaked in water for 24 h; T3 – soaked in water without heating at the initial temperature of 60 °C, until reaching room temperature; T4 – only sanded; T5 – immature seeds. The results indicate that: i) newly collected seeds from mature pods do not require treatment to overcome dormancy; ii) immature seeds have germination similar to newly collected mature seeds.
本研究的主要目的是验证赤藓种子成熟荚果中存在外皮休眠,并评价新采集种子在生理成熟两个阶段的出苗情况。通过比较苗期出苗率、平均出苗期和出苗期指数,探讨克服休眠的方法。T1 -磨砂并在水中浸泡48小时;T2 -磨砂,水浸泡24h;T3——初始温度60℃,浸泡在不加热的水中,直至达到室温;T4 -仅磨砂;T5 -未成熟的种子。结果表明:1)从成熟荚果中采集的新种子不需要处理来克服休眠;Ii)未成熟种子的萌发与新采集的成熟种子相似。
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引用次数: 0
Understanding the extent of phenotypic variability in accessions of Paspalum urvillei Steud. from the USDA NPGS 了解雀稗(Paspalum urvillei Steud)品种表型变异程度。来自美国农业部NPGS
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-04-08 DOI: 10.21826/2446-82312020v75e2020006
J. L. Ferreira, R. Gwinner, L. M. Ferreira, Jéferson Ferronato, Leandro Gonçalves Leite, Kátia Graciele Gonçalves Ferreira, J. C. R. L. Silva, Luís Paulo dos Santos, Alisson Wilians Teixeira Silva
The objective of this study was to investigate the phenotypic variability in Paspalum urvillei Steud. related to twelve zootechnical traits to better understand the diversity of 41 accessions from the USDA GRIN platform from seven countries. First, we performed a structure inference based on the phenotypic data, identifying two structure groups, and the majority of Brazilian accessions belonged to the first group. Then, we performed principal component analysis and principal coordinate analysis, making Violin plots for each trait within each structure group. Next, we performed spatial clustering of the accessions and utilized an unweighted pair group method with arithmetic mean clustering. In brief, the Brazilian P. urvillei breeding programs may be successful by importing USDA germplasm resources from the second phenotypic structure group.
本研究的目的是研究雀稗(Paspalum urvillei Steud)表型变异。与12个动物技术性状相关,以更好地了解来自7个国家的41个美国农业部GRIN平台的多样性。首先,我们根据表型数据进行了结构推断,确定了两个结构组,大多数巴西材料属于第一组。然后进行主成分分析和主坐标分析,为每个结构组内的每个特征绘制小提琴图。其次,我们对数据进行空间聚类,并利用非加权对组方法与算术平均聚类。简而言之,通过从第二表型结构群中引进美国农业部的种质资源,巴西野田鼠的育种计划可能会取得成功。
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引用次数: 3
Phytotoxic activity of extracts obtained from cagaita (Eugenia dysenterica DC. - Myrtaceae) on the growth of black-jack (Bidens pilosa L.) cagaita (Eugenia dysenterica DC)提取物的植物毒性活性。-桃金娘科)对黑jack (Bidens pilosa L.)生长的影响
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-02-28 DOI: 10.21826/2446-82312020v75e2020005
Marlene Benedita Ribeiro, R. P. Malheiros, L. Machado, A. M. Mapeli
Cagaita ( Eugenia dysenterica ) is a native plant of the Cerrado with great economic, social and environmental importance. The objective of this work was to determine the phytotoxic potential of extracts of leaf and bark from the stem of E. dysenterica on the initial growth of B. pilosa (black-jack). The experiment was performed under laboratory conditions, and the extracts used were: leaf aqueous extract, leaf ethanolic extract, leaf hydroalcoholic extract 70:30, leaf hydroalcoholic extract 50:50, bark from the stem aqueous extract, bark from the stem ethanol extract, bark from the stem hydroalcoholic extract 70:30 and bark from the stem hydroalcoholic extract 50:50. All E. dysenterica leaf and bark from the stem extracts exerted inhibitory effects on the radicle and hypocotyl growth of black-jack seedlings. Thus, E. dysenterica leaf and bark from the stem extracts present high phytotoxic potential and may be useful in studies attempting to find new molecules with bioherbicidal function for controlling spontaneous plants.
Cagaita (Eugenia dysenterica)是塞拉多的一种原生植物,具有重要的经济、社会和环境意义。本研究的目的是测定大肠杆菌叶和树皮提取物对黑杰克芽孢杆菌生长初期的植物毒性。实验在实验室条件下进行,所用提取物为:叶水提物、叶乙醇提物、叶水醇提物70:30、叶水醇提物50:50、茎皮水提物、茎皮乙醇提物、茎皮水提物70:30、茎皮水醇提物50:50。枯草叶和树皮对黑jack幼苗的根和下胚轴生长均有抑制作用。因此,痢疾杆菌叶和树皮的茎提取物具有较高的植物毒性潜力,可能有助于寻找具有生物除草功能的新分子来控制自发植物。
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引用次数: 0
Biometria e germinação de sementes de Macrolobium acaciifolium (Benth.) Benth. de várzea e igapó da Amazônia Central acaciifolium (Benth.)种子的生物特征和萌发摘要。亚马逊中部的低地和igapo
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-02-07 DOI: 10.21826/2446-82312020v75e2020004
L. Santos, Marilene de Campos Almeida, Florian Wittmann
This study focuses on the morphometric analysis of seeds of Macrolobium acaciifolium from environments of Amazonian floodplains and igapo, as well as the effect of the substrates of these areas on the germination and seedling formation of the species. A biometric analysis of 200 M. acaciifolium seeds from populations of both Central Amazon environments was performed. In greenhouse, germination of seeds under their soil of origin and under vermiculite was analyzed. The seeds from igapo presented higher mean weight and thickness compared to the floodplain seeds, which, on occasion, presented higher averages of length and width. The seed germination percentage of both environments was similar, but the speed was higher for the igapo seeds, regardless of the substrate. The igapo seeds are larger than the floodplain seeds and, because they have more reserves, they are able to produce more vigorous seedlings, regardless the physical conditions of the substrate.
本文研究了亚马孙河漫滩和igapo环境下猕猴花(Macrolobium acaciifolium)种子的形态计量学分析,以及这些地区的基质对该物种萌发和幼苗形成的影响。对来自两种亚马逊中部环境种群的200个M. acaciifolium种子进行了生物特征分析。在温室中,对种子在原产土壤和蛭石下的发芽情况进行了分析。igapo种子的平均重量和厚度高于漫滩种子,而漫滩种子的平均长度和宽度有时也高于漫滩种子。两种环境下的种子发芽率相似,但无论基质如何,igapo种子的发芽率都较高。igapo种子比洪泛平原的种子大,因为它们有更多的储备,它们能够产生更旺盛的幼苗,而不管基质的物理条件如何。
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引用次数: 2
Respostas morfológicas ao alagamento em espécies arbóreas de florestas ribeirinhas subtropicais brasileiras 巴西亚热带河流森林树种对洪水的形态响应
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2020-01-16 DOI: 10.21826/2446-82312020v75e2020001
Á. C. Artusi, Heliur Alves de Almeida Delevatti, Cristhiano Teixeira, Silvia Vendruscolo Milesi, Camila Kissmann, Tanise Luisa Sausen
In southern Brazil floods are of low magnitude and occur with high frequency throughout the year. The objective of this work was to evaluate the responses to flooding in four native tree species. The species Eugenia uniflora L., Eugenia involucrata DC., Parapiptadenia rigida (Benth.) Brenan and Inga vera Willd. were distributed in control (C), partial (PF) and total (TF) flooding for 15 days and evaluated for growth and biomass. The results highlight that E. uniflora and P. rigida showed a reduction in dry mass under TF while I. vera and E. involucrata showed no difference under PF and TF. TF has a negative effect on root length in P. rigida and leaf number in E. uniflora . The responses observed for the studied species showed different morphological strategies to flooding periods that occur in subtropical riparian forests.
在巴西南部,洪水强度低,全年发生频率高。本研究的目的是评估四种本地树种对洪水的反应。种:单花尤金菊,天卷尤金菊。,强直旁腺(下)布伦南和因加·维拉·威尔德。分别置于对照(C)、部分(PF)和全部(TF)淹水处理15 d,评估其生长和生物量。结果表明:单叶草和硬叶草的干质量在加温和加温条件下均有所减少,而真丝草和天卷草的干质量在加温和加温条件下无显著差异。蒸发量对刚木根长和单花叶数有负向影响。研究物种对亚热带河岸林洪涝期的响应表现出不同的形态策略。
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引用次数: 1
Lista preliminar das plantas alimentícias nativas de Mato Grosso do Sul, Brasil 巴西南马托格罗索州本地食用植物的初步清单
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2018-04-27 DOI: 10.21826/2446-8231201873S101
Ieda Maria Bortolotto, Geraldo Alves Damasceno-Júnior, A. Pott
Apresentamos o inventario preliminar das plantas alimenticias silvestres do Mato Grosso do Sul usadas na dieta humana ou com potencial para uso. Incluimos especies que constam em publicacoes e em trabalhos ineditos dos autores, cujas coletas, realizadas no estado, estao incorporadas nos herbarios CGMS, COR e CPAP. Adicionalmente, foram incluidas especies de Arecaceae, coletadas no estado depositadas em outros Herbarios e especies dos generos Arachis , Dioscorea e Passiflora que constam na Lista de Especies da Flora do Brasil para o Mato Grosso do Sul. Foram encontradas 294 especies, distribuidas em 160 generos e 67 familias botânicas. As familias mais ricas foram Fabaceae (49) e Myrtaceae  (38), seguidas por Arecaceae (32) e Passifloraceae ( 12). Esta e a primeira listagem de especies alimenticias do estado.
我们提出了南马托格罗索州用于人类饮食或有潜在用途的野生食用植物的初步清单。我们包括发表在出版物和作者未发表的作品中的物种,他们在该州收集的物种被纳入CGMS、COR和CPAP植物标本馆。此外,还包括在该州其他植物标本室收集的槟榔科植物,以及在南马托格罗索州巴西植物名录中发现的花生属、菊苣属和西番莲属的植物。共发现294种,分布于67科160属。最丰富的科是豆科(49个)和桃金娘科(38个),其次是槟榔科(32个)和西番莲科(12个)。这是该州第一个食用物种名单。
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引用次数: 19
Check-list das Annonaceae do estado do Mato Grosso do Sul, Brasil
IF 0.4 4区 生物学 Q4 Agricultural and Biological Sciences Pub Date : 2018-04-27 DOI: 10.21826/2446-8231201873S123
A. Q. Lobão, Jenifer de Carvalho Lopes, R. Mello-silva
Uma listagem das especies de Annonaceae do estado do Mato Grosso do Sul e apresentada. Annonaceae possui 2.440 especies, 385 no Brasil e 19 no estado do Mato Grosso do Sul, distribuidas em cinco generos, Annona L ., Bocageopsis R.E.Fr., Duguetia A.St.-Hil., Unonopsis  R.E.Fr. e Xylopia L. Annona sylvatica A.St.-Hil., Bocageopsis mattogrossensis (R.E.Fr.) R.E.Fr. e Duguetia glabriuscula (R.E.Fr.) R.E.Fr. sao tres novos registros para o Mato Grosso do Sul. Xylopia nitida Dunal nao e mais listada entre as especies de Annonaceae que ocorrem no estado. O numero reduzido de especies desta familia no Mato Grosso do Sul deve-se provavelmente a predominância de areas de Cerrado no estado, ja que sao mais frequentes em florestas tropicais de baixas altitudes.
摘要介绍了南马托格罗索州番荔枝科的一种。番荔枝科有2440种,其中巴西385种,南马托格罗索州19种,分布于番荔枝属、番荔枝属5个属。他的父亲是一名律师,母亲是一名律师。, Unonopsis R.E.Fr。木虱是木虱科植物的一种。Bocageopsis mattogrossensis (R.E.Fr)R.E.Fr。光斑杜鹃(R.E.Fr)R.E.Fr。这是南马托格罗索州的三个新记录。木犀草(Xylopia nitida Dunal)不再被列为番荔枝科的一种。南马托格罗索州这一科物种数量的减少可能是由于该州塞拉多地区的优势,因为它们在低海拔的热带森林中更常见。
{"title":"Check-list das Annonaceae do estado do Mato Grosso do Sul, Brasil","authors":"A. Q. Lobão, Jenifer de Carvalho Lopes, R. Mello-silva","doi":"10.21826/2446-8231201873S123","DOIUrl":"https://doi.org/10.21826/2446-8231201873S123","url":null,"abstract":"Uma listagem das especies de Annonaceae do estado do Mato Grosso do Sul e apresentada. Annonaceae possui 2.440 especies, 385 no Brasil e 19 no estado do Mato Grosso do Sul, distribuidas em cinco generos, Annona L ., Bocageopsis R.E.Fr., Duguetia A.St.-Hil., Unonopsis  R.E.Fr. e Xylopia L. Annona sylvatica A.St.-Hil., Bocageopsis mattogrossensis (R.E.Fr.) R.E.Fr. e Duguetia glabriuscula (R.E.Fr.) R.E.Fr. sao tres novos registros para o Mato Grosso do Sul. Xylopia nitida Dunal nao e mais listada entre as especies de Annonaceae que ocorrem no estado. O numero reduzido de especies desta familia no Mato Grosso do Sul deve-se provavelmente a predominância de areas de Cerrado no estado, ja que sao mais frequentes em florestas tropicais de baixas altitudes.","PeriodicalId":54998,"journal":{"name":"Iheringia Serie Botanica","volume":null,"pages":null},"PeriodicalIF":0.4,"publicationDate":"2018-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82173580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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Iheringia Serie Botanica
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