Resistance to Meloidogyne javanica race 3 in the Arachis gene pool
Forty six accessions of wild Arachis spp. in sections Arachis, Procumbentes, Heteranthae, Erectoides, and Caulorhizae were evaluated in a glasshouse for resistance to Meloidogyne javanica race 3. Based on numbers and size of galls, galled area of root and number of egg masses, two accessions of A. c...
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Published in | Nematologia mediterranea Vol. 30; no. 2 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
01.12.2002
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Abstract | Forty six accessions of wild Arachis spp. in sections Arachis, Procumbentes, Heteranthae, Erectoides, and Caulorhizae were evaluated in a glasshouse for resistance to Meloidogyne javanica race 3. Based on numbers and size of galls, galled area of root and number of egg masses, two accessions of A. cardenasii (ICG 13237, ICG 15175) in section Arachis and three accessions of A. sylvestris (ICG 15142, ICG 15147, ICG 15164) in section Heteranthae were highly resistant. The origin of these accessions was in Bolivia (ICG 15175, ICG 13237) and Brazil (ICG 15142, ICG 15147, ICG 15164). Gall and egg mass ratings of all the accessions indicated that resistance varied within species. Of the eight A. duranensis accessions tested, one was resistant (ICG 13183), one moderately resistant (ICG 8203), three susceptible (ICG 13185, ICG 13194, ICG 13201) and three highly susceptible (ICG 13206, ICG 13217, ICG 13218). There were large differences in gall number, size, and egg mass number on some accessions; accession ICG 15141 (A. villosa) had 15-20 galls and 1-5 egg masses, while ICG 15172 (A. glandulifera) had more galls than egg masses. All the tested accessions of sections Procumbentes, Caulorhizae and Erectoides were susceptible
[E' stata valutata, in serra, la resistenza a Meloidogyne javanica razza 3 di 46 accessioni di Arachis spp. spontanee appartenenti alle sezioni Arachis, Procumbentes, Heteranthae, Erectoides e Caulorhizae. In base al numero e alle dimensioni delle galle, all'area delle radici interessata dalle galle e al numero di masse di uova, due accessioni di A. cardenasii (ICG 13237, ICG 15175) della sezione Arachis e tre accessioni di A. sylvestris (ICG 15142, ICG 15147, ICG 15164) della sezione Heteranthae sono risultate altamente resistenti. Le provenienze geografiche delle accessioni erano la Bolivia (ICG 15175, ICG 13237) e il Brasile (ICG 15142, ICG 15147, ICG 15164). I conteggi delle galle e delle masse di uova di tutte le accessioni hanno indicato che la resistenza variava nell'ambito delle specie. Delle otto accessioni di A. duranensis saggiate, una risultava resistente (ICG 13183), una moderatamente resistente (ICG 8203), tre suscettibili (ICG 13185, ICG 13194, ICG 13201) e tre altamente suscettibili (ICG 13206, ICG 13217, ICG 13218). In alcune accessioni si sono rilevate differenze consistenti nel numero e dimensioni delle galle e nel numero di masse di uova; l'accessione ICG 15141 (A. villosa) aveva 15-20 galle e 1-5 masse di uova, mentre ICG 15172 (A. glandulifera) presentava piu' galle che masse di uova. Tutte le accessioni saggiate appartenenti alle sezioni Procumbentes, Caulorhizae ed Erectoides sono risultate suscettibili] |
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AbstractList | Forty six accessions of wild Arachis spp. in sections Arachis, Procumbentes, Heteranthae, Erectoides, and Caulorhizae were evaluated in a glasshouse for resistance to Meloidogyne javanica race 3. Based on numbers and size of galls, galled area of root and number of egg masses, two accessions of A. cardenasii (ICG 13237, ICG 15175) in section Arachis and three accessions of A. sylvestris (ICG 15142, ICG 15147, ICG 15164) in section Heteranthae were highly resistant. The origin of these accessions was in Bolivia (ICG 15175, ICG 13237) and Brazil (ICG 15142, ICG 15147, ICG 15164). Gall and egg mass ratings of all the accessions indicated that resistance varied within species. Of the eight A. duranensis accessions tested, one was resistant (ICG 13183), one moderately resistant (ICG 8203), three susceptible (ICG 13185, ICG 13194, ICG 13201) and three highly susceptible (ICG 13206, ICG 13217, ICG 13218). There were large differences in gall number, size, and egg mass number on some accessions; accession ICG 15141 (A. villosa) had 15-20 galls and 1-5 egg masses, while ICG 15172 (A. glandulifera) had more galls than egg masses. All the tested accessions of sections Procumbentes, Caulorhizae and Erectoides were susceptible
[E' stata valutata, in serra, la resistenza a Meloidogyne javanica razza 3 di 46 accessioni di Arachis spp. spontanee appartenenti alle sezioni Arachis, Procumbentes, Heteranthae, Erectoides e Caulorhizae. In base al numero e alle dimensioni delle galle, all'area delle radici interessata dalle galle e al numero di masse di uova, due accessioni di A. cardenasii (ICG 13237, ICG 15175) della sezione Arachis e tre accessioni di A. sylvestris (ICG 15142, ICG 15147, ICG 15164) della sezione Heteranthae sono risultate altamente resistenti. Le provenienze geografiche delle accessioni erano la Bolivia (ICG 15175, ICG 13237) e il Brasile (ICG 15142, ICG 15147, ICG 15164). I conteggi delle galle e delle masse di uova di tutte le accessioni hanno indicato che la resistenza variava nell'ambito delle specie. Delle otto accessioni di A. duranensis saggiate, una risultava resistente (ICG 13183), una moderatamente resistente (ICG 8203), tre suscettibili (ICG 13185, ICG 13194, ICG 13201) e tre altamente suscettibili (ICG 13206, ICG 13217, ICG 13218). In alcune accessioni si sono rilevate differenze consistenti nel numero e dimensioni delle galle e nel numero di masse di uova; l'accessione ICG 15141 (A. villosa) aveva 15-20 galle e 1-5 masse di uova, mentre ICG 15172 (A. glandulifera) presentava piu' galle che masse di uova. Tutte le accessioni saggiate appartenenti alle sezioni Procumbentes, Caulorhizae ed Erectoides sono risultate suscettibili] |
Author | Bramel, P.J Sharma, S.B. (Dept. of Agriculture, South Perth (Australia)) Ansari, M.A. (International Crops Research Inst. for the Semi Arid Tropics (ICRISAT), Patancheru (India)) Reddy, L.J |
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Title | Resistance to Meloidogyne javanica race 3 in the Arachis gene pool |
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