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Variation in spacer ribosornal DNA in sorne cyst-forming species of plant parasitic nernatodes
Summary - Partial sequences from internal transcribed spacer ribosomal DNA (ITS rDNA) obtained by polymerase chain reaction (PCR) from isolates of plant parasitic cyst nematodes, were compared with… Expand
SOYBEAN CYST NEMATODE
Figure 1. Shown in red are counties with confi rmed infestation of soybean cyst nematode in Indiana. Figure 2. Above ground symptoms of SCN damage to soybean. Symptoms of SCN injury can easily be… Expand
Regional Assessment of Soybean Brown Stem Rot, Phytophthora sojae, and Heterodera glycines Using Area-Frame Sampling: Prevalence and Effects of Tillage.
ABSTRACT The prevalence of brown stem rot (caused by Phialophora gregata), Heterodera glycines, and Phytophthora sojae in the north central United States was investigated during the fall of 1995 and… Expand
Comparisons of Isolates of Heterodera avenae using 2-D PAGE Protein Patterns and Ribosomal DNA.
Six geographic isolates of Heterodera avenae, including two isolates each from Sweden, Australia, and the United States, were compared on the basis of 2-D PAGE protein patterns and the complete DNA… Expand
A Standard Greenhouse Method for Assessing Soybean Cyst Nematode Resistance in Soybean: SCE08 (Standardized Cyst Evaluation 2008)
The tactic of choice for managing soybean cyst nematode (SCN) in infested fields is the use of resistant cultivars. Because expression of SCN resistance is dependent on the occurrence and frequencies… Expand
Association of RFLP markers with loci conferring broad-based resistance to the soybean cyst nematode (Heterodera glycines)
- R. Vierling, J. Faghihi, V. Ferris, J. M. Ferris
- Biology, Medicine
- Theoretical and Applied Genetics
Soybean cyst nematode (SCN) is a major soybean yield-limiting pest. The present study was conducted to map broad-based SCN resistance loci from the cultivar ‘Hartwig’. Two-hundred F2∶3 lines derived… Expand
An Efficient New Device to Release Eggs From Heterodera glycines.
A new apparatus to release eggs from cysts of soybean cyst nematode (Heterodera glycines) is described and its efficiency evaluated. A rubber stopper was mounted on a bolt, and cysts were ground… Expand
Soybean Cyst Nematode Reproduction in the North Central United States.
An experiment was conducted in Heterodera glycines-infested fields in 40 north central U.S. environments (21 sites in 1994 and 19 sites in 1995) to assess reproduction of this nematode. Two resistant… Expand
Phylogenetic Relationships of Globodera millefolii, G. artemisiae, and Cactodera salina Based on ITS Region of Ribosomal DNA.
Globodera millefolii and G. artemisiae are interesting because their type localities (Estonia and Russia, respectively) are geographically distant from those of the potato cyst nematodes and other… Expand
Soybean resistance to field populations of Heterodera glycines in selected geographic areas.
Data were collected 2006 through 2008 from 527 soil samples to determine the current effectiveness of PI 88788 and other sources of Heterodera glycines resistance in three geographically separated… Expand