1,721,038 research outputs found
Botrytis cinerea Pers. ex Fr. nuovo patogeno di Ruscus hypoglossum L. in Italia
No full textAttacks of Botrytis cinerea Pers. ex Fr. on Ruscus hypoglossum L. plants, grown in pots in greenhouses, were recorded for the first time in Italy. Affected cladodes showed circular necrotic spots, greyish in colour with a yellow halo; the lesions later became darker and in some cladodes the necrotic tissues gradually tore. Some stems also showed large necrotic lesions which did not girdle the stalk. Koch's postulates were fulfilled by inoculating Ruscus plants with the isolated fungus. Botrytis attacks had been probably favoured by greenhouse conditions, especially high relative humidity. Fungicides such as dicloran and dichlofuanid can significantly reduce disease development and new fungicides (cyprodinil, fludioxonil+cyprodinil) may also be effective for Botrytis control
Ultrastructural apoptosis-like nuclear changes associated with hypersensitive cell death induced by Xanthomonas campestris pv. vesicatoria in pepper leaves
No full textBehaviour of an accession of Capsicum baccatum var. pendulum towards cucumber mosaic virus.
No full textAspetti istologici della resistenza indotta contro l’oidio del tabacco (Erysiphe cichoracearum DC.).
No full textAspetti microscopica della reazione di resistenza indotta da infezioni virali nei confronti dell'oidio del tabacco
Infective behaviour and aphid transmissibility of Italian Isolates of Potato Virus Y in tobacco and peppers.
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Aspetti ultrastrutturali della reazione di ipersensibilità indotta in peperone da Xanthomonas campestris pv. vesicatoria
No full textResistance to tobacco powdery mildew (Erysiphe cichoracearum) induced by a necrotic strain of potato virus Y (PVYN)
No full textAspetti ultrastrutturali della reazione ipersensibile indotta in peperone da Xanthomonas campestris pv. vesicatoria
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