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Presence of drechslera graminea rabenh. ex schlecht. shoemaker in barley caryopses and disease transmission in the field in the 2 year period 1984 1986


Presence of drechslera graminea rabenh. ex schlecht. shoemaker in barley caryopses and disease transmission in the field in the 2 year period 1984 1986



Annali della Facolta di Agraria Universita degli Studi di Perugia 40: 85-94



Results obtained in a two-year investigation on the transmission rate of D. graminea from infected seeds to tillers in barley, are reported. In the first year (1984/85) weather conditions, especially low temperatures after sowing, were favourable for the penetration of the fungus in the embryo during seed germination. The transmission rate of the infection from seeds to tillers attained 60,9%. In the second year, due to higher temperatures after sowing, lower percentages of transmission were recorded (35,5%). These results indicate that sowing winter barley in cold periods (temperatures less than 12.degree. C) may cause severe yield losses when seeds infected by D. graminea are used.

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Related references

Presenza di Drechslera graminea (Rabenh. ex. Schlecht.) shoemaker in cariossidi di orzo e trasmissione della malatia in campo nel biennio 1984/86 - Présence de Drechslera graminea (Rabenh. ex Schlecht.) Shoemaker dans les caryopses d'orge et transmission de la maladie au champ dans les années 1984/86 - Occurrence of Drechslera graminea (Rabenh. ex Schlecht.) Shoemaker in barley seeds and disease transmission in field in the years 1984/86. Annali della Facolta di Agraria. Universita Degli Studi di Perugia 40: 85-94, 1986

Drechslera graminea (Rabenh. ex. Schlecht) Shoemaker in barley seed samples and its transmission in the field in the years 1984-86. Annali della Facolta di Agraria, Universita degli Studi di Perugia 40: 85-94, 1986

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