Aggressiveness of Phytophthora cinnamomi in avocado seedlings and effect of pathogen inoculum concentration and substrate flooding periods on root rot and development of the plants

Abstract The present study evaluated the aggressiveness of Phytophthora cinnamomi isolates and the effect of pathogen inoculum concentration and periods of substrate flooding on root rot and plant development.Twelve pathogen isolates were inoculated on the collar region of avocado seedlings with or without wounding.Only 31.3% of the inoculated plan

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Zoomorphic Jug from the Village Sidory (the Lower Volga Region). To the Problem of Ceramic Import from the Kuban Region

In 1959, the Astrakhan expedition excavated barrow 2 of the Koroleva mogila burial mound near the village Sidory of the Volgograd region.The burial had been robbed, but some parts of zoomorphic gray-polished jug were found among the grave goods.Similar vessels were found in the barrows of the Sarmatian period near the villages Ladozhskaya and Tifli

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Does Biological Denitrification Inhibition (BDI) in the Field Induce an Increase in Plant Growth and Nutrition in Apium graveolens L. Grown for a Long Period?

Intensive agriculture uses a lot of nitrogen fertilizers to increase crop productivity.These crops are in competition with soil-denitrifying microorganisms that assimilate nitrogen in the form of nitrate and transform it into N2O, a greenhouse gas, or N2.However, certain 4 Door Fridge plant species exude secondary metabolites, called procyanidins,

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