Transmisión de Trichoconiella padwickii a coleóptilos de arroz
AUTOR(ES)
Echeverría, Alfonso Lovato, Carmona, Marcelo Aníbal, Gutiérrez, Susana Alejandra
FONTE
Trop. plant pathol.
DATA DE PUBLICAÇÃO
02/08/2013
RESUMO
With the objective of quantifying the transmission efficiency (TE) from rice seed to coleoptiles, a trial was conducted "in vivo" using seeds of the varieties BRS Taim, Puitá Inta-CL and Irga 424. Seeds were sown in plastic trays containing sterile sand as substrate and incubated in laboratory conditions at 25±2ºC and photoperiod of 12 h. The TE was evaluated after seven days using 400 coleoptiles put on agarbean medium 3%. The TE was 7%, 28.5% and 8.1% for varieties BRS Taim, Puitá Inta-CL and Irga 424, respectively, demonstrating the importance of seeds as an inoculum source of T. padwickii.
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