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The response of potato root eelworm, Heterodera rostochiensis Wollenweber and beet eelworm, H. schachtu Schmidt to root difiusates of some grasses, cereals and of Tagetes minuta


, : The response of potato root eelworm, Heterodera rostochiensis Wollenweber and beet eelworm, H. schachtu Schmidt to root difiusates of some grasses, cereals and of Tagetes minuta. Nematologica. 6: 3, 207-213

Three experiments failed to produce evidence that root diffusates from cereals and grasses stimulate eggs of Heterodera rostochiensis to hatch in vitro. Twelve species of grass and five cereals were tested. Difrusate from Tagetes minuta, tested in one experiment, neither stimulated nor inhibited hatch. All the diffusates tested differed very little in effect from soil water.

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