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Use of the biogenic inductor from botrytis allii to prevent onion losses during storage


, : Use of the biogenic inductor from botrytis allii to prevent onion losses during storage. Fiziologiya i Biokhimiya Kul'turnykh Rastenii 23(4): 371-375

The effect of two-week pre-harvest treatment of onion with biotic inductor from mycellium of Botrytis allii has been studied. Treatment of the green onion top with mycelium water extracts in concentrations of 0.01-0.03% two weeks before harvesting decreases the disease development and suppresses bulb sprouting after 5 months of storage. Inhibition of bulb sprouting correlates with a higher content of abscisic acid in the onion tissues. An increase of the disease resistance of bulbs by biogenic inductor may be connected with the accumulation of onion phytoalexins-tsibulins 1d and 2d. Application of such inductors permits decreasing the disease spreading not polluting environment and not disturbing ecological balance of the biosphere.


Accession: 007988656

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Related references

Perkovskaya, G.Y.; Dmitriev, A.P.; Grodzinskii, D.M., 1991: The use of a biogenic inductor from Botrytis allii to decrease onion losses during storage. Treatment of green onion tops with a biotic inducer of defence reactions obtained from mycelium of B. allii at concn of 0.01-0.03% 2 weeks before harvesting decreased disease development and inhibited bulb sprouting during 5 months of storage. A c...

Dmitriev A.P.; Perkovskaya G.Yu; Grodzinskii D.M., 1988: Isolation and characteristics of the inductor of protective responses in the onion from the cytoplasmic content of the fungus botrytis allii. A possibility to induce onion phytoalexins cibulins 1d and 2d by metabolites of a specific pathogen Botrytis-allii is shown in experiments using the method of high-efficient liquid and gel chromatography. The highest inducing activity is character...

Stewart, A.M.nsfield, J., 1984: Fungal development and plant response in detached onion, onion bulb scales and leaves inoculated with Botrytis allii, Botrytis cinerea, Botrytis fabae and Botrytis squamosa. Plant pathology 33(3): 401-409

Stewart A.; Mansfield J.W., 1984: Fungal development and plant response in detached onion allium cepa onion bulb scales and leaves inoculated with botrytis allii botrytis cinerea botrytis fabae and botrytis squamosa. Fungal development and plant responses were examined in detached leaves and mid-bulb scales of A. cepa. Following inoculation with suspensions of 105 conidia/ml distilled water B. squamosa consistently produced spreading lesions in leaves and bulb...

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Chilvers, M.I.; Hay, F.S.; Hills, J.; Dennis, J.J.C.; Wilson, C.R., 2006: Influence of benzimidazole fungicides on incidence of Botrytis allii infection of onion leaves and subsequent incidence of onion neck rot in storage in Tasmania, Australia. Neck rot of onion caused by Botrytis spp., including B. allii, has previously been controlled in Australia with the fungicide Benlate (benomyl). Production of Benlate has recently ceased, therefore a field trial was conducted to examine the effica...

Lorbeer J.W.; Gunkel W.W.; Kaufman J.; Smith H.A.Jr, 1969: Control of botrytis allii neck rot of onion m by forced heated air in bulk storage. Phytopathology 59(8): 1038

Ali, A.A.; E.S.abrawy, A.M., 1979: Effect of some cultural practices and some chemicals on the control of neck rot disease caused by Botrytis allii during storage and in the field for seed onion production in A.R.E. Incidence increased with increasing numbers of irrigations during the growing season. Harvesting at 140 or 150 days after transplanting decreased disease severity during storage. Incidence was lowered by curing for at least 1 wk after uprooting an...

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