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Influenza del Potyvirus latente del carciofo «Spinoso sardo» sulla produitività delle piante in pieno campo: 2. risultati relativi al secondo anno di impianto

Abstract

In order to evaluate the influence of the artichoke latent Potyvirus (ALV) on plant productivity, a comparative field trial between virus-freed by meristem-tip culture and naturally Infected «Spinoso sardo» plants has been repeated for the second year in Sardinia. On the whole the results corroborate those of the first year: the latent infection doesn't affect the earliness and the number of heads per plant; whereas it negatively influences the weight, the diamater and the stem length of the heads

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