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| Guzman,Gonzalo; Latorre,Bernardo A; Torres,Rene; Wilcox,Wayne F. |
| Crown gall (Agrobacterium tumefaciens) and Phytophthora root and crown rot (PRCR), caused by P. cryptogea, are two major limiting factors affecting peach (Prunus pérsica) production in Chile. At present, Nemaguard is the most important rootstock used in peach orchards, and although several clonal rootstocks are under development worldwide, there is little information regarding their susceptibility to crown gall and PRCR. Therefore this investigation was undertaken to study the susceptibility to A. tumefaciens and P. cryptogea of the clonally propagated rootstocks Cadman®-Avimag (P. pérsica x P. davidiana), Mr.S 2/5 (P. cerasifera x P. spinosa), Viking ([P. pérsica x P. davidiana] x [P. dulcís 'Jordanolo'x P. blireiana]), and Nemaguard (P. pérsica x P.... |
| Tipo: Journal article |
Palavras-chave: Agrobacterium tumefaciens; Disease control; Nectarines; Rootstock resistance. |
| Ano: 2007 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202007000100004 |
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| Serey,Ricardo A; Torres,Rene; Latorre,Bernardo A. |
| Pre- and post-harvest diseases restrict table grape production and exports (Vitis vinifera L.) in Chile, with the most important disease being grey mold (Botrytis cinérea). In addition, rot due to Aspergillus niger, Cladosporium herbarum, Penicillium expansum, and Rhizopus stolonifer frequently occurs. The pre- and post-infection activity of fungicides against these pathogens was studied on Thompson Seedless table grapes. Detached, mature, berries were used, and inoculations were performed with 20 µL of a 10(6) sporesmL-1 suspension placed on three punctures aseptically made at the calyx end of each berry. Fungicides used (per liter) were boscalid (600 mg), boscalid (200 mg) + pyraclostrobin (100 mg), boscalid (200 mg) + kresoxim methyl (100 mg),... |
| Tipo: Journal article |
Palavras-chave: Blue mold; Curative activity; Gray mold; Protection activity; Sour rot; Vitis vinifera. |
| Ano: 2007 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202007000300005 |
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