The effect of interaction between the springtail Protaphorura armata (Tullberg) (Collembola Onychiuridae), and the foot and rootpathogenic fungus Gaeumannomyces graminis Von Arx et Olivier var. tritici Walker on number, dry biomass and health of wheatseedlings under two substrate water content levels was studied in a mesocosm experiment. Adult specimens of P. armata were addedto each container consisting in metallic frame enveloped by a wrap to prevent the passage of animals, filled with sand previously inoculatedwith G. graminis var. tritici propagules, where, immediately before the springtails addition, wheat kernels were sown. Containerswere placed in plastic boxes (mesocosms) provided by a system of watering regime regulation. The sand moisture content wasset up at 5 or 15%, which are the lowest and the highest level respectively of available water for plants in a 100% sandy substrate.Mesocosms were maintained in a growth chamber at 12 hours light, 22 °C temperature, and 60% RH for three weeks. Then wheatseedlings were collected, counted, and disease index and dry biomass determined. At 15% water content, in presence of P. armata thedisease severity was lower than that of plants grown in presence of the pathogenic fungus and in absence of animals. At 5% watercontent, no differences between plant parameters in presence or absence of Collembola were found.

Does substrate water content influence the effect ofCollembola-pathogenic fungus interaction on plant health?A mesocosm study / G., Innocenti; M., Montanari; Ganassi, Sonia; Sabatini, Maria Agnese. - In: BULLETIN OF INSECTOLOGY. - ISSN 1721-8861. - STAMPA. - 64:(2011), pp. 73-76.

Does substrate water content influence the effect ofCollembola-pathogenic fungus interaction on plant health?A mesocosm study

GANASSI, Sonia;SABATINI, Maria Agnese
2011-01-01

Abstract

The effect of interaction between the springtail Protaphorura armata (Tullberg) (Collembola Onychiuridae), and the foot and rootpathogenic fungus Gaeumannomyces graminis Von Arx et Olivier var. tritici Walker on number, dry biomass and health of wheatseedlings under two substrate water content levels was studied in a mesocosm experiment. Adult specimens of P. armata were addedto each container consisting in metallic frame enveloped by a wrap to prevent the passage of animals, filled with sand previously inoculatedwith G. graminis var. tritici propagules, where, immediately before the springtails addition, wheat kernels were sown. Containerswere placed in plastic boxes (mesocosms) provided by a system of watering regime regulation. The sand moisture content wasset up at 5 or 15%, which are the lowest and the highest level respectively of available water for plants in a 100% sandy substrate.Mesocosms were maintained in a growth chamber at 12 hours light, 22 °C temperature, and 60% RH for three weeks. Then wheatseedlings were collected, counted, and disease index and dry biomass determined. At 15% water content, in presence of P. armata thedisease severity was lower than that of plants grown in presence of the pathogenic fungus and in absence of animals. At 5% watercontent, no differences between plant parameters in presence or absence of Collembola were found.
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Does substrate water content influence the effect ofCollembola-pathogenic fungus interaction on plant health?A mesocosm study / G., Innocenti; M., Montanari; Ganassi, Sonia; Sabatini, Maria Agnese. - In: BULLETIN OF INSECTOLOGY. - ISSN 1721-8861. - STAMPA. - 64:(2011), pp. 73-76.
G., Innocenti; M., Montanari; Ganassi, Sonia; Sabatini, Maria Agnese
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/649636
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