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| Registros recuperados: 64 | |
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| Silva, Vitor Cezar Pacheco da; Bettoni, Marcelle Michelotti; Bona, Cleusa; Foerster, Luís Amilton. |
| Thrips tabaci Lindeman is the main pest of onion crops, and chemical control is the main method adopted by farmers. Alternative control methods should be prioritised to reduce the amount of insecticides used. Resistant cultivars are one efficient way to control thrips in the field. Our aim was to assess the influence of morphological and chemical characteristics of seven onion cultivars and their resistance to T. tabaci. The number of thrips and the morphological and chemical characteristics of the plants were assessed. Among the evaluated cultivars, Alfa São Francisco RT, BR 29 and Sirius showed resistance to T. tabaci, as indicated by the lower number of thrips observed during the cycle (64, 87, and 74 thrips, respectively). Morphological and chemical... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.01.02.02-8 Thrips tabaci; Thysanoptera; Thripidae; Onion; Plant resistance to insects Entomologia Agrícola. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17436 |
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| Tanveer,Asif; Nadeem,Muhammad A.; Ali,Asghar; Tahir,Muhammad; Zamir,Muhammad S.I.. |
| The carry-over effect of sub-lethal herbicides was investigated on the germination of seeds collected from surviving Chenopodium album plants, which had received 1/8, 1/8 twice, 1/8 three times, 1/4, 1/2, 1/1 doses of either pre-emergence ioxynil or post-emergence bentazone in a previous onion (Allium cepa) crop. Seeds were also collected from surviving C. album plants, which had received 1/4, 1/2, 1/1 of either pre-emergence pendimethalin, propachlor and linuron, or 1/8, 1/8 twice, 1/8 three times, 1/4, 1/2, 1/1 of post-emergence ioxynil or linuron in a previous leek (Allium porrum) crop. Seeds of surviving plants were collected and tested for germination at temperature of 5, 10, 15, 20 and 25°C. The effect of different temperatures on the total number of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Herbicides; Sub-lethal doses; Onion; Leek; Germination. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652009000400022 |
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| Benkeblia,Noureddine. |
| The respiration rate (RR) (CO2 production), activation energy (Ea) and Q10 of maleic hydrazide-treated onion bulbs (Allium cepa, cv. Rouge Amposta) at 20.10-6 mol.L-1 (MH1) and 45.10-6 mol.L-1 (MH2) were measured at 4, 10 and 20ºC. Immediately after treatment, the Q10 of MH-treated and control bulbs were not significantly different. After 8 weeks of storage, Q10 of control and both MH-treated bulbs increased and ranged from 2.34 and 2.89. Respiration rate of onions increased during storage, and after 24 weeks, RR values of control, MH1 and MH2 were 0.43, 0.32 and 0.26 mmol CO2.kg-1.h-1 at 20ºC respectively; and 0.26, 0.20 and 0.17 mmol CO2.kg-1.h-1 at 10ºC respectively. At 4ºC, no significant difference was observed between control and MH-treated bulbs.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Activation energy; MH; Onion; Q10; Respiration rate; Sprouting; Storage. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202004000100007 |
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| Camargo Filho,Waldemar P; Camargo,Felipe P. |
| ABSTRACT In the biennium 2013-14, the world produced 1,134.27 million tons of vegetables annually. The production of garlic, onion, potato, tomato and watermelon accounted for 66.5% of the total. Brazil, in 2012, considering 40 vegetables, produced around 23 million tons, in 900.0 thousand hectares. Potatoes, tomatoes (table and processing), onions, watermelons, carrots, sweet potatoes, lettuce and cabbage, the main vegetables in Brazil, accounted for 64.0% of the total. This work presents the evolution of production, commercialization, and availability of garlic, onions, potatoes, tomatoes and watermelons in Brazil and in the world. In Brazil, the work focused on two distinct periods: 1970-1990 {when the Support Program for Production and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cultivated area; Production; Public policies; Garlic; Onion; Potato; Tomato; Watermelon.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362017000200160 |
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| COSTA, N. D.; RESENDE, G. M. de; ARAÚJO, J. F.; SANTOS, C. A. F.; PINTO, J. M.; YURI, J. E.. |
| No Brasil, a cebola (Allium cepa) é a hortaliça economicamente mais importante, depois da batata e do tomate. O valor médio da produção de cebola curada gira em torno de U$$ 200 milhões.ano, equivalente a 8% do valor bruto das hortaliças. A produção nacional é de 1,2 milhão de t.ano, em 60 mil ha.ano, com produtividade média de 20 t.ha, concentrada nas regiões Sul, Sudeste, Centro Oeste e Nordeste, destinada ao consumo fresco no mercado interno. O cultivo da cebola no Brasil é feito basicamente em propriedades pequenas e médias, estimando-se que 70% sejam provenientes de agricultura familiar (IBGE, 2003). |
| Tipo: Folhetos |
Palavras-chave: Adubação orgânica; Vale do São Francisco; Cultivo; Onion; Cebola; Agricultura Familiar; Allium Cepa; Solo. |
| Ano: 2011 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/914880 |
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| Registros recuperados: 64 | |
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