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The Influence of Resistant Potato Varieties On the Soil Population of Heterodera Rostochiensis Woll

The Influence of Resistant Potato Varieties On the Soil Population of Heterodera Rostochiensis Woll THE INFLUENCE OF RESISTANT POTATO VARIETIES ON THE SOIL POPULATION OF HETERODERA ROSTOCHIENSIS WOLL. BY C. A. HUIJSMAN Foundation for Agricultural Plant Breeding, Wageningen, The Netherlands A field experiment in sandy soil near Wageningen has shown that growing of resistant potato varieties decreases the degree of infestation with Heterodera rostochiensis more rapidly than growing immune crops (beans). After growing resistant varieties for 6 years the soil was still noticeably infested. There was an indication that after three generations of such varieties the degree of in- festation did not continue to decrease, but that it was maintained at a definite level. This level was independent of the initial degree of infestation. At this level the resistant crop was not damaged appreciably. It is considered impossible to eradicate the parasite completely by growing resistant varieties. The clone CPC 1673 of Solanum tubero.rum subsp. andigena has been almost the only source of resistance to Heterodera rostochiensis Woll. used in potato breeding in the Netherlands. This clone and the resistant hybrids obtained from it produce root diffusates equally as effective in inducing larvae of H. rostocbiensis to hatch as those of susceptible plants and the larvae invade the roots of resistant potatoes http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

The Influence of Resistant Potato Varieties On the Soil Population of Heterodera Rostochiensis Woll

Nematologica , Volume 6 (3): 4 – Jan 1, 1961

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529261X00018
Publisher site
See Article on Publisher Site

Abstract

THE INFLUENCE OF RESISTANT POTATO VARIETIES ON THE SOIL POPULATION OF HETERODERA ROSTOCHIENSIS WOLL. BY C. A. HUIJSMAN Foundation for Agricultural Plant Breeding, Wageningen, The Netherlands A field experiment in sandy soil near Wageningen has shown that growing of resistant potato varieties decreases the degree of infestation with Heterodera rostochiensis more rapidly than growing immune crops (beans). After growing resistant varieties for 6 years the soil was still noticeably infested. There was an indication that after three generations of such varieties the degree of in- festation did not continue to decrease, but that it was maintained at a definite level. This level was independent of the initial degree of infestation. At this level the resistant crop was not damaged appreciably. It is considered impossible to eradicate the parasite completely by growing resistant varieties. The clone CPC 1673 of Solanum tubero.rum subsp. andigena has been almost the only source of resistance to Heterodera rostochiensis Woll. used in potato breeding in the Netherlands. This clone and the resistant hybrids obtained from it produce root diffusates equally as effective in inducing larvae of H. rostocbiensis to hatch as those of susceptible plants and the larvae invade the roots of resistant potatoes

Journal

NematologicaBrill

Published: Jan 1, 1961

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