Effects of Seasonal and Site Factors on Xiphinema index Populations in Two California Vineyards

Sampling of Xiphinema index for 2 years (1993-95) in two California vineyards indicated that a greater number of nematodes occurred during the winter months. The number of juveniles increased four-fold from December 1993 to January 1994, indicating a high reproductive rate during this time. Extremel...

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Veröffentlicht in:Journal of nematology. - 1969. - 29(1997), 4 vom: 09. Dez., Seite 491-500
1. Verfasser: Feil, H (VerfasserIn)
Weitere Verfasser: Westerdahl, B B, Smith, R J, Verdegaal, P
Format: Aufsatz
Sprache:English
Veröffentlicht: 1997
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Vitis spp. Xiphinema index nematode population dynamics soil moisture soil temperature soil texture vertical distribution
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520 |a Sampling of Xiphinema index for 2 years (1993-95) in two California vineyards indicated that a greater number of nematodes occurred during the winter months. The number of juveniles increased four-fold from December 1993 to January 1994, indicating a high reproductive rate during this time. Extremely high or low soil temperatures corresponded to low nematode numbers. Samples were taken from 0 to 31 cm and 31 to 62 cm deep both within and between the vine rows. Numbers of nematodes were greatest at the 0- to 31-cm depth in one vineyard with a loamy sand soil, and at a depth of 31 to 62 cm in the second vineyard, which had a silt loam soil. In both vineyards, X. index population densities were greater within the vine row 
650 4 |a Journal Article 
650 4 |a Vitis spp. 
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650 4 |a nematode 
650 4 |a population dynamics 
650 4 |a soil moisture 
650 4 |a soil temperature 
650 4 |a soil texture 
650 4 |a vertical distribution 
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700 1 |a Smith, R J  |e verfasserin  |4 aut 
700 1 |a Verdegaal, P  |e verfasserin  |4 aut 
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