Archives of Phytopathology and Plant Protection (2020) 53, 379-394

Aspen T. Orynbayev, Fevzi Seid Umerovich Dzhalilov and Alexander N. Ignatov (2020)
Improved efficacy of formulated bacteriophage in control of black rot caused by Xanthomonas campestris pv. campestris on cabbage seedlings
Archives of Phytopathology and Plant Protection 53 (7-8), 379-394
Abstract: The survival of bacteriophage in the phyllosphere is influenced by many factors, including sunlight UV irradiation. The effect of the UV light factor on persistence of the phage mixed with different UV-protectors was evaluated in vitro and in planta on young cabbage plants in greenhouse. The exposition of UV irradiation positively correlated with phage population decline. The protective formulations reduced the UV effect. In in vitro studies, ascorbic acid, riboflavin and skimmed milk caused significant phage protection if applied together with phage application. UV light was responsible for detrimental effects on phages placed on plant foliage in the glasshouse experiments. In order to demonstrate direct effects of UV-protectants, phage suspensions with different compounds were exposed to UV irradiation and assayed for effectiveness against black rot disease of brassicas caused by Xanthomonas campestris pv. campestris. The protective formulation eliminated the effects of UV irradiation and probably other environmental factors.
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Link to article at publishers website
Database assignments for author(s): Alexander N. Ignatov

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
formulation/storage of bioagents

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Xanthomonas campestris pv. campestris	Cabbage (Brassica oleracea)
Xanthomonas phages (antagonist)	Xanthomonas campestris pv. campestris	Cabbage (Brassica oleracea)