Effect of crop rotation and tillage on nematode densities in tropical corn

Effects of tillage and crop rotation on nematode densities in tropical corn (Zea mays cv. Pioneer X304C) were examined in a factorial experiment with two rotation crops and two tillage practices (no-till vs. conventional-till), conducted in each of three seasons (1990-1992) in north Florida. The rot...

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Veröffentlicht in:Journal of nematology. - 1969. - 25(1993), 4 Suppl vom: 10. Dez., Seite 814-9
1. Verfasser: McSorley, R (VerfasserIn)
Weitere Verfasser: Gallaher, R N
Format: Aufsatz
Sprache:English
Veröffentlicht: 1993
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Criconemella spp. Glycine max Meloidogyne incognita Paratrichodorus minor Pratylenchus scribneri Sorghum bicolor Zea mays corn crop rotation mehr... cropping systems cultural practices nematode sorghum soybean tillage
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520 |a Effects of tillage and crop rotation on nematode densities in tropical corn (Zea mays cv. Pioneer X304C) were examined in a factorial experiment with two rotation crops and two tillage practices (no-till vs. conventional-till), conducted in each of three seasons (1990-1992) in north Florida. The rotation treatments consisted of sorghum (Sorghum bicolor cv. DeKalb BR64) or soybean (Glycine max) grown during the 1989 season. Densities of Meloidogyne incognita (race 1) remained lower throughout the growing season in corn following sorghum than in corn plots following soybean. This effect was observed clearly even in the third consecutive corn crop. In 1990, densities of Criconemella spp. were initially higher in plots planted to sorghum the previous year, but by the end of the subsequent corn crop, no differences were evident. Paratrichodorus minor and Pratylenchus spp. (primarily P. scribneri) were mostly unaffected by the crop rotation treatments, but in a few instances, Pratylenchus spp. densities were higher in conventional than in no-till plots. In general, tillage had little effect on densities of most nematodes examined, and rotation appears to be more important than tillage for managing plant-parasitic nematodes under these conditions 
650 4 |a Journal Article 
650 4 |a Criconemella spp. 
650 4 |a Glycine max 
650 4 |a Meloidogyne incognita 
650 4 |a Paratrichodorus minor 
650 4 |a Pratylenchus scribneri 
650 4 |a Sorghum bicolor 
650 4 |a Zea mays 
650 4 |a corn 
650 4 |a crop rotation 
650 4 |a cropping systems 
650 4 |a cultural practices 
650 4 |a nematode 
650 4 |a sorghum 
650 4 |a soybean 
650 4 |a tillage 
700 1 |a Gallaher, R N  |e verfasserin  |4 aut 
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