Gonçalves, Paulo Antonio de Souza and Sousa e Silva, Carlos Roberto (2004) Adubação mineral e orgânica e a densidade populacional de Thrips tabaci Lind.(Thysanoptera: Thripidae) em cebola. [Mineral and organic fertilization and onion thrips, Thrips tabaci Lind. (Thysanoptera:Thripidae) population density.] Ciência Rural, 34 (4), pp. 1255-1257.
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Summary
O efeito da adubação mineral e orgânica sobre a densidade populacional de Thrips tabaci Lind. em cebola, Allium cepa L., foi avaliado na Estação Experimental de Ituporanga, SC (Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina), entre agosto e dezembro de 1998. Os tratamentos foram níveis de adubação mineral com N, P2O5 e K2O em dose recomendada e três vezes a recomendada, adubação orgânica e a testemunha foi a ausência de adubação. Os tratamentos foram as seguintes doses de nutrientes: 1) 30 + 120 + 60kg ha-1 de NPK; 2) 90 + 360 + 180kg ha-1 de NPK; 3) 75kg ha-1 de N; 4) 225kg ha-1 de N; 5) 80kg ha-1 de P2O5; 6) 240kg ha-1 de P2O5; 7) 60kg ha-1 de K2O; 8) 180kg ha-1 de K2O; 9) 75kg ha-1 de N + 80kg ha-1 de P2O5 (esterco de suíno + fosfato natural); 10) 225kg ha-1 de N + 240kg ha-1 de P2O5 (esterco de suíno + fosfato natural); 11)37,5kg ha-1 de N + 40kg ha-1 de P2O5 (esterco de suíno + fosfato natural); testemunha sem adubação. Nenhuma das fontes e níveis de adubação apresentaram nível populacional de T. tabaci superior à testemunha sem adubo.
Summary translation
The effect of the mineral and organic fertilization on onion thrips, Thrips tabaci Lind., population density was evaluated at Ituporanga Experiment Station, EPAGRI, Santa Catarina State, Brazil, between August and December 1998.The treatments were different levels of mineral fertilization with N, P2O5 and K2O at recommended rate and three times recommended rate, the organic fertilization and without fertilization was check. The treatments in nutrient rate were:30 + 120 + 60kg NPK ha-1; 90 + 360 + 180kg NPK ha-1; 75kgN ha-1; 225kg N ha-1; 80kg P2O5 ha-1; 240kg P2O5 ha-1; 60kg K2O ha-1; 180kg K2O ha-1; 75kg N ha-1 + 80kg P2O5 ha-1 (swine manure + phosphate rock); 225kg N + 240kg P2O5 ha-1 (swine manure + phosphate rock); 37,5kg N + 40kg P2O5 ha-1 (swine manure + phosphate rock); check without fertilizer. The onion thrips population density was similar among treatments with fertilizer and the check without fertilization. The mineral fertilization didn’t increase significantly onion thrips incidence.
| EPrint Type: | Journal paper |
|---|---|
| Keywords: | Insecta, Allium cepa L., Nutriente, Agroecologia, Insecta, Nutrient, Agroecology Agrovoc code: 92381 Agroecology, 281 Allium cepa, 5274 Nutrients, 3885, Insect control, 36161 Mineral fertilizers |
| Subjects: | Soil > Soil quality Crop husbandry > Production systems > Vegetables |
| Research affiliation: | Brazil > Other organizations |
| ISSN: | 0103-8478 |
| DOI: | 10.1590/S0103-84782004000400048 |
| Deposited By: | Bernardo, Priscila |
| ID Code: | 20118 |
| Deposited On: | 16 Oct 2012 00:12 |
| Last Modified: | 16 Oct 2012 00:12 |
| Document Language: | Portuguese/Portugues |
| Status: | Published |
| Refereed: | Peer-reviewed and accepted |
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