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Publication datasheet
Title:
Biofumigation for the control of Fusarium root rot in Italy.
Authors:
Santori, A.; Mocali, S; Landi, S; Infantino, A.
Year:
2011
Languages:
ENG, eng
Journal:
Journal of Plant Pathology
Kind of publication:
Cartaceo
Location:
Pisa
Editor:
Edizioni ETS
Abstract in Italian:
Abstract in English:
Crown and root-rot (CRR) is a disease of complex aetiology of wheat in which several Fusarium species and Microdochium nivale are involved. Attacked plants show browning and rotting of the crown and roots and whitening of the heads containing shrivelled kernels of no commercial value. A field experiment for the control of the disease by using green manure with Brassica juncea cv. Scala (SIS, Italy) was conducted at the CRA-PAV farm (Rome, Italy) during the 2010-2011 season. Four sub-parcels, each representing a different treatment, were considered: (i) green manure for two years in a row; (ii) green manure for one year; (iii) effect of green manure of previous year; (iv) plot without green manure. B. juncea was grown for three months in sub-parcel 1 and 2, then mulched and incorporated into the soil. After ten days, durum wheat cv. Claudio was sown in all sub-parcels. For microbiological analyses, soil samples were collected in two different periods, before sowing B. juncea and wheat, respectively. Incidence of white heads was assessed at the hard dough growth stage by visual evaluation of 200 heads for each treatment. Bio-fumigation with B. juncea for two following years (treatment 1) determined the lowest incidence (9.5%) when compared to that of the control (32%). Intermediate results were obtained for treatment 2 (15.9%) and treatment 3 (23.5%). Microbiological analyses of soil samples and of wheat stem and crowns are in progress. The preliminary results obtained confirm that green manure is promising for the control of CRR of wheat.

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