Arquivos do Instituto Biológico最新文献

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Reaction of sugarcane genotypes to root-knot nematode parasitism (Meloidogyne javanica and Meloidogyne incognita) 甘蔗基因型对javanmeloidogyne和Meloidogyne incognita根结线虫寄生的反应
Arquivos do Instituto Biológico Pub Date : 2023-01-01 DOI: 10.1590/1808-1657000272022
Danielle Dutra Martinha, Maria Gabriela de Carlos da Rocha, Mayara Catherine Candido Silva, Leonardo Packer de Quadros, Marlon Henrique Hahn, Lucimeris Ruaro, Ricardo Augusto de Oliveira, Henrique da Silva Silveira Duarte
{"title":"Reaction of sugarcane genotypes to root-knot nematode parasitism (Meloidogyne javanica and Meloidogyne incognita)","authors":"Danielle Dutra Martinha, Maria Gabriela de Carlos da Rocha, Mayara Catherine Candido Silva, Leonardo Packer de Quadros, Marlon Henrique Hahn, Lucimeris Ruaro, Ricardo Augusto de Oliveira, Henrique da Silva Silveira Duarte","doi":"10.1590/1808-1657000272022","DOIUrl":"https://doi.org/10.1590/1808-1657000272022","url":null,"abstract":"Root-knot nematodes (Meloidogyne spp.) can cause a reduction up to 50% in the production of sugarcane (Saccharum spp.). Genetic resistance is considered an important component in the management of nematodes. Therefore, the aim of this study was to evaluate the susceptibility of 12 sugarcane genotypes when subjected to parasitism by Meloidogyne javanica and Meloidogyne incognita under controlled conditions in a plant growth chamber. Four experiments were carried out in randomized blocks with 12 treatments and four replicates for M. javanica and three replicates for M. incognita. The treatments were the sugarcane genotypes: RB966928 (susceptibility pattern), RB026842, RB036168, RB036145, RB036065, RB966229, RB036066, RB036068, RB046209, RB036163, RB036153, and RB036059. Each repetition consisted of a 2-L pot with previously autoclaved substrate (1:1 of sand and soil), and a pre-sprouted seedling was transplanted. From pure populations of M. javanica and M. incognita, approximately 2,000 eggs and eventual J2 were inoculated per pot. After 120 days, the final population of nematodes in the root and soil was counted using an optical light microscope and Peters slide, and the reproduction factor (RF) was calculated. Plants that presented RF < 1 were considered resistant, and plants that presented RF > 1 were considered susceptible. Among the 12 genotypes evaluated, 66% were susceptible to parasitism by M. javanica. The genotypes RB046209, RB036163, RB036153, and RB036059 were classified as resistant to M. javanica parasitism. For the species M. incognita, the susceptible genotypes represented 75% of the total, and the resistant genotypes were RB036163, RB036153, and RB036059.","PeriodicalId":8411,"journal":{"name":"Arquivos do Instituto Biológico","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Infestation of Aphis gossypii Glover (Hemiptera: Aphididae) on soybeans in São Paulo state, Brazil 巴西圣保罗州大豆棉蚜的侵染(半翅目:蚜科)
Arquivos do Instituto Biológico Pub Date : 2023-01-01 DOI: 10.1590/1808-1657000062023
Vinicius Fernandes Canassa, Edson Luiz Lopes Baldin, André Luiz Lourenção, Vanessa Rafaela de Carvalho
{"title":"Infestation of Aphis gossypii Glover (Hemiptera: Aphididae) on soybeans in São Paulo state, Brazil","authors":"Vinicius Fernandes Canassa, Edson Luiz Lopes Baldin, André Luiz Lourenção, Vanessa Rafaela de Carvalho","doi":"10.1590/1808-1657000062023","DOIUrl":"https://doi.org/10.1590/1808-1657000062023","url":null,"abstract":"Aphis gossypii Glover (Hemiptera: Aphididae), also known as the cotton aphid, is a notable pest of several crops. Its damage can be direct and indirect. The direct damage is due to its feeding, which causes leaf shriveling, deformation of shoots, and loss of plant vigor. The pest’s indirect damage is through virus transmission to cotton. In Brazil, A. gossypii is considered as a pest to several crops, but there are no references to infestations of this aphid in soybeans. The objectives of this manuscript were to report the presence of A. gossypii infesting and colonizing soybean crops in São Paulo state, Brazil, and to alert the scientific community and farmers about this possible new pest in Brazilian soybean fields.","PeriodicalId":8411,"journal":{"name":"Arquivos do Instituto Biológico","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135106997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DIARRÉIA VIRALBOVINA: LEVANTAMENTO SOROLÓGICO NOS ESTADOS DE MINAS GERAIS, MATO GROSSO DO SUL, SÃO PAULO, RIO DE JANEIRO, PARANÁ E RIO GRANDE DO SUL 牛病毒性腹泻:米纳斯吉拉斯州、南马托格罗索州、sao保罗州、里约热内卢州、parana州和大南州的血清学调查
Arquivos do Instituto Biológico Pub Date : 1999-06-01 DOI: 10.1590/1808-1657v66n1p1071999
Leonardo José Richtzenhain, O. Barbarini, O. Umehara, A.S. De Gracia, Adriana Cortéz, Marcos Bryan Heinemann, Fernando Ferreira, Rodrigo Martins Soares
{"title":"DIARRÉIA VIRALBOVINA: LEVANTAMENTO SOROLÓGICO NOS ESTADOS DE MINAS GERAIS, MATO GROSSO DO SUL, SÃO PAULO, RIO DE JANEIRO, PARANÁ E RIO GRANDE DO SUL","authors":"Leonardo José Richtzenhain, O. Barbarini, O. Umehara, A.S. De Gracia, Adriana Cortéz, Marcos Bryan Heinemann, Fernando Ferreira, Rodrigo Martins Soares","doi":"10.1590/1808-1657v66n1p1071999","DOIUrl":"https://doi.org/10.1590/1808-1657v66n1p1071999","url":null,"abstract":"RESUMO Foi pesquisada a presença de anticorpos séricos para o Virus da Diarréia Virai Bovina (VDVB) em 2.447 amostras de soro bovino colhidas de 56 propriedades (34 de exploração leiteira, 21 de corte e 1 não especificada) que não promoviam vacinação contra o VDVB, localizadas nos Estados de Minas Gerais(] O propriedades), Mato Grosso do Sul (10), São Paulo(] O), Rio de Janeiro (10), Paraná (6) e Rio Grande do Sul (10). De cada propriedade coletou-se amostras de soro de 35 a 45 vacas e ou novilhas selecionadas ao acaso. Os anticorpos anti VDVB foram pesquisados pelo método de ELISA indireto, utilizando-se o kit SVANOVA BIOTECH-Upsala-Sweden. Todas as propriedades apresentaram pelo menos 1 animal soro-reator, sendo que 57,1% das propriedades apresentaram mais do que 75% das amostras positivas para o VDBV. A ocorrência de animais soro-positivos foi de 1.799 nos 2.447 (73,52%) soros estudados, com variação entre as propriedades de 27,27% a 100%. As porcentagens médias de resultados positivos por Estado foram: Minas Gerais - 66,11%; Paraná- 67,42%; Rio de Janeiro - 70,88% Rio Grande do Sul-72,95%; São Paulo - 77,85%; Mato Grosso do Sul - 83,67%. Não foi possível constatar diferença significativa (p = 0,467) entre a porcentagem de amostras positivas nas propriedades de exploração leiteira ou de corte. Os dados sugerem que, como em outras partes do mundo, o VDVB está amplamente disseminado nos seis Estados brasileiros estudados.","PeriodicalId":8411,"journal":{"name":"Arquivos do Instituto Biológico","volume":"66 1","pages":"107-111"},"PeriodicalIF":0.0,"publicationDate":"1999-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147888199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
PRIMEIRO REGISTRO E DESCRIÇÃO MORFOLÓGICA DE STEPHANITIS PYRIOIDES (SCOTT, 1874) (HETEROPTERA: TINGIDAE) EM AZALEA, NO BRASIL 巴西杜鹃花中PYRIOIDES STEPHANITIS PYRIOIDES (SCOTT, 1874)(异翅目:TINGIDAE)的首次记录和形态描述
Arquivos do Instituto Biológico Pub Date : 1997-06-01 DOI: 10.1590/1808-1657v64n1p0831997
E.C. Bergmann, S.D.L. Imenes, Luiz Costa
{"title":"PRIMEIRO REGISTRO E DESCRIÇÃO MORFOLÓGICA DE STEPHANITIS PYRIOIDES (SCOTT, 1874) (HETEROPTERA: TINGIDAE) EM AZALEA, NO BRASIL","authors":"E.C. Bergmann, S.D.L. Imenes, Luiz Costa","doi":"10.1590/1808-1657v64n1p0831997","DOIUrl":"https://doi.org/10.1590/1808-1657v64n1p0831997","url":null,"abstract":"RESUMO O trabalho relata o primeiro registro de Stephanitis pyrioides (Scott,1874) (Heteroptera:Tingidae) no Brasil. A praga foi observada danificando plantas de azalea em parques e jardins da cidade de São Paulo. São apresentados dados comportamentais, descrição dosdanos ocasionados e caracterizaçãomorfológica de adultos e ninfas com ilustrações da genitália de macho e fêmea.","PeriodicalId":8411,"journal":{"name":"Arquivos do Instituto Biológico","volume":"64 1","pages":"83-89"},"PeriodicalIF":0.0,"publicationDate":"1997-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147885141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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