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Expression in vitro of resistance to Heterodera schachtii in hairy roots of an alien monotelosomic addition plant of Beta vulgaris, transformed by Agrobacterium rhizogenes (1990)

Paul, H. ; Deelen, J. E. M. ; Henken, B. ; [et al.]

Springer

Euphytica 48 (1990), S. 153-157

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ISSN: 1573-5060

Keywords: Beta vulgaris ; Beta patellaris ; Agrobacterium rhizogenes ; beet cyst nematode ; Heterodera schachtii ; nematode resistance

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Summary Hairy roots, induced by Agrobacterium rhizogenes, were obtained of nematode susceptible beet plants (Beta vulgaris) and of the nematode resistant alien monotelosomic addition AN5, carrying a telosome from B. patellaris. The additional telosome was found to be stably present in vitro in the roots of AN5. The hairy root cultures were inoculated with larvae of the beet cyst nematode Heterodera schachtii. On the root culture of AN5 significantly less cysts developed than on the other root cultures. These results indicate that the resistance to the beet cyst nematode is expressed in the roots after transformation and can be monitored under in vitro conditions.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00037194

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Natural variation within the genus Beta and its possible use for breeding sugar beet: A review (1990)

Geyt, J. P. C. ; Lange, W. ; Oleo, M. ; [et al.]

Springer

Euphytica 49 (1990), S. 57-76

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ISSN: 1573-5060

Keywords: breeding ; Beta vulgaris ; sugar beet ; natural variation ; wild Beta species ; disease resistances

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Summary Sugar beet is a relatively young crop, which supposedly has a narrow genetic base. Natural variation occurring in primitive beet varieties and in wild Beta species has been used for breeding sugar beet. This paper reviews information on desirable characteristics in Beta germplasm and the attempts made for the introgression of such characters into commercial breeding material. After an introduction on the availability of germplasm and the possibilities of hybridisation, attention is focussed on the mating system (especially male sterility), on morphological and physiological characteristics, including yield and sugar content, and on resistances to diseases and pests.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00024131

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