Economic Importance of Cyst Nematodes in North America

Miller, L. I.

doi:10.1007/978-1-4613-2251-1_29

Cited by 13 publications

(3 citation statements)

References 12 publications

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“…TCN are worldwide distributed but the distribution of the subspecies remains mainly unknown except in France and USA. In the United States, Gtt is limited to Connecticut and Massachusetts, whereas Gtv and Gts occur in Virginia and North Carolina, as well as in one county in Maryland (Johnson 1998;Miller 1986). Gtt and Gts are more economically important parasites of tobacco in the US (Johnson 1998;Komm et al 1983).…”

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Occurrence of the tobacco cyst nematode subspecies Globodera tabacum subsp. virginiae in France

2015

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Tobacco cyst nematode is a sexually diploid species composed of three subspecies, Globodera tabacum subsp. tabacum (Gtt), G. tabacum subsp. virginiae (Gtv) and G. tabacum subsp. solanacearum (Gts). In Europe, only Gtt have been reported to date. Here, we report from a plant in a French tobacco field, the identification of a mixture between cysts of the subspecies Gtt and cysts genetically different. The objective of the present study was to determine the subspecies status of those particular cysts. To this aim, we performed CAPS analyses on two genes and a principal component analysis on microsatellite data. The results obtained with both CAPS and microsatellite markers demonstrate for the first time the occurrence of G. tabacum subsp. virginiae in France.

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Occurrence of the tobacco cyst nematode subspecies Globodera tabacum subsp. virginiae in France

2015

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“…S oybean cyst nematode (SCN) was first discovered in the USA in North Carolina in 1954 (Winstead et al, 1955). It was identified in several midwestern states in the 1960s (Miller, 1985) and was first documented in Minnesota in 1978 (MacDonald et al, 1980). The SCN spread from southern Minnesota northward during the 1980s and 1990s.…”

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Population Response of Soybean Cyst Nematode to Long Term Corn–Soybean Cropping Sequences in Minnesota

et al. 2001

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Soybean cyst nematode [Heterodera glycines Ichinohe] (SCN) can reduce soybean [Glycine max (L.) Merr.] yields. Rotating soybean with a nonhost crop usually reduces SCN populations. Cropping sequence experiments initiated in the early 1980s at two Minnesota locations were monitored in 1996, 1997, and 1998 for changes in SCN egg densities. Cropping sequences were: (i) 5‐yr consecutive corn (Zea mays L.) alternated with 5‐yr consecutive soybean, (ii) continuous monoculture of each crop, (iii) annual alternation of two cultivars within a continuous monoculture of each crop, and (iv) annual rotation of each crop. In 1989, SCN was detected in several of the plots at both locations. By 1996, all cropping sequences had detectable populations of SCN eggs at both locations, regardless of whether the land had been planted to continuous corn since the early 1980s. Lowest densities of SCN eggs were typically found in cropping sequences that involved continuous corn and where corn had been planted for the last three or more years, whereas highest levels of SCN eggs were found in cropping sequences that involved continuous soybean and where soybean had been planted for the last two or more years. These results suggest planting a nonhost to SCN for as long as 5 yr on infested land will not eliminate future problems with this pathogen. In addition, the results suggest that at least a portion of the crop sequence effects on yield has a soil microbiological basis involving mechanisms that are specific to a location.

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“…In the USA, it was initially found in North Carolina in 1954 and had spread to all the major soybean producing states by 1985 (Miller, 1985). In the USA, it was initially found in North Carolina in 1954 and had spread to all the major soybean producing states by 1985 (Miller, 1985).…”

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The Cyst Nematodes

Sharma¹

1998

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Economic Importance of Cyst Nematodes in North America

Cited by 13 publications

References 12 publications

Occurrence of the tobacco cyst nematode subspecies Globodera tabacum subsp. virginiae in France

Occurrence of the tobacco cyst nematode subspecies Globodera tabacum subsp. virginiae in France

Population Response of Soybean Cyst Nematode to Long Term Corn–Soybean Cropping Sequences in Minnesota

The Cyst Nematodes

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