Variability in Race Tests with Heterodera glycines.
Tests of Heterodera glycines on differential host plants to determine races were run in Arkansas, Illinois, and North Carolina to check the uniformity of results of the test. Methods used at the three locations varied somewhat. Results indicate that the race test is highly variable.
R D, Riggs, D P, Schmitt, G R, Noel
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Characterization of microRNAs in the cyst nematode Heterodera glycines identifies possible candidates involved in cross-kingdom interactions with its host Glycine max. [PDF]
Ste-Croix DT, Bélanger RR, Mimee B.
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Possible Transfer of Resistance to Heterodera glycines from Glycine tomentella to Glycine max.
Eight wild perennial Glycine species (G. argyrea, G. canescens, G. curvata, G. cyrtoloba, G. latifolia, G. microphylla, G. tabacina, and G. tomentella) were evaluated for resistance to isolates of races 1, 3, and 14 of Heterodera glycines. In a second experiment, reproduction of isolates of races 3, 5, and 14 of H.
R D, Riggs +3 more
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In-situ Hybridization to Messenger RNA in Heterodera glycines.
A method is presented for in-situ hybridization to mRNA in second-stage juveniles (J2) of the soybean cyst nematode Heterodera glycines. The protocol was developed using a digoxigenin-labeled RNA probe transcribed from cDNA of a cellulase gene that was known to be expressed in the subventral esophageal glands of H. glycines.
de Boer, J.M. +4 more
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Heterodera glycines Cyst Components and Surface Disinfestants Affect H. glycines Hatching.
We investigated the effects of Heterodera glycines cyst components and surface disinfestants on hatching of H. glycines eggs in vitro. Eggs were incubated in either H. glycines cyst wall fragments, cyst wall and egg rinsate, egg homogenate, or control solutions of soybean root diffusate, sterile distilled water, or zinc sulfate.
D V, Charlson, G L, Tylka
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The Spatial Distribution and Genetic Diversity of the Soybean Cyst Nematode, Heterodera glycines, in China: It Is Time to Take Measures to Control Soybean Cyst Nematode. [PDF]
Lian Y +6 more
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Slight induction and strong inhibition of Heterodera glycines hatching by short-chain molecules released by different plant species. [PDF]
Velloso JA +6 more
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Pathogenicity of Fungi to Eggs of Heterodera glycines.
Twenty-one isolates of 18 fungal species were tested on water agar for their pathogenicity to eggs of Heterodera glycines. An egg-parasitic index (EPI) for each of these fungi was recorded on a scale from 0 to 10, and hatch of nematode eggs was determined after exposure to the fungi on water agar for 3 weeks at 24 C.
S Y, Chen, D W, Dickson, D J, Mitchell
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