Biological control of root, leaf and ear diseases of small cereal crops with new bacillus strains
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632.08:633.1/.18 (1)
Boli ale plantelor. Dăunători și organisme vătămătoare pentru plante. Protejarea plantelor (968)
Cereale. Recolte de grâne (676)
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KRIUCHKOVA, L., SHMYHEL, T., CHEHUN, K., PATYKA, T.. Biological control of root, leaf and ear diseases of small cereal crops with new bacillus strains. In: Protecția Plantelor în Agricultura Convențională și Ecologică, 10-12 decembrie 2018, Chişinău. Chișinău, Republica Moldova: Tipogr. „Biotehdesign“, 2018, pp. 254-257.
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Protecția Plantelor în Agricultura Convențională și Ecologică 2018
Conferința "Consolidarea capacităților regionale pentru aplicarea tehnologiilor ecologice în sistemele integrate de gestionare a dăunătorilor"
Chişinău, Moldova, 10-12 decembrie 2018

Biological control of root, leaf and ear diseases of small cereal crops with new bacillus strains

CZU: 632.08:633.1/.18

Pag. 254-257

Kriuchkova L., Shmyhel T., Chehun K., Patyka T.
 
National University of Life and Environmental Sciences of Ukraine
 
Disponibil în IBN: 22 iulie 2019


Rezumat

The effect of two new Bacillus strains (B. subtilis 16 and B. pumilis 11) on leaves and root diseases of barley has been investigated in greenhouse assays. The suppressive effect of B. subtilis strain 16 on Fusarium ear blight of wheat was studied in the field conditions. Both strains strongly inhibited the growth of Fusarium graminearum, F,poae and Bipolaris sorokiniana causal agents of these diseases in vitro tests. In growth chamber assay the severity of spot blotch of barley decreased when bacterial metabolites were introduced into the plant growth medium or bacterial cell suspension was applied on leaves of the susceptible to the disease cultivar. Common root rot was inhibited when metabolites of any strain were applied to the plant growth media, however, the disease was not inhibited when the cell suspension was used for pre-sowing seed treatment. In the field trial the development of Fusarium ear blight was suppressed by application of washed cells of B. subtilis strain 16 in flowering stage, but culture filtrate of the strain failed to inhibit disease.

Cuvinte-cheie
Bacillus spp., cereals, Biological control, Bipolaris sorokiniana, Fusarium ear blight