Fungicidal activity of seed disinfectants against root rot of wheat in various types of soils

Abstract

We studied the efficacy of seed treatment with a variety of fungicides for control of root rot of wheat in different soil types. The effectiveness of various doses of the preparation on the basis of thiram (TMTD and TMTD-plus) and triazole containing Dividend Star, SC has been compared under the conditions of the Southern Urals in typical soils of the region (dark chestnut, southern chernozem, common chernozem). It is revealed that the effectiveness of thiram containing preparations in moderate doses (2.0–2.5 l/t for TMTD-plus and 3.0 l/t for TMTD) is higher on the dark-chestnut soils than on Chernozem. The biological efficiency of the Dividend Star does not depend on the type of soil. We compared the five pesticides with active substances from different chemical classes: Celest Top (thiamethoxam + difenoconazole + fludioxonil), Scenic Combi (clothianidin + fluoxastrobin + prothioconazole + tebuconazole), Maxim (fludioxonil), TMTD-plus (thiram), Kinto Duo (triticonazole + prochloraz) and Dividend Star (difenoconazole + cyproconazole) at the different tillage technologies under the non black soil region conditions. The effectiveness of all preparations decreases significantly at the no-till technology compared to the plowing. Most effective in plowing were Kinto Duo, Celest Top and TMTD-plus, and in zero-till – Celest Top and Scenic Combi.

Efficiency of application of fungicides for spring wheat protection against root rots

“…почва является основной экологической нишей данных организмов, а семена -дополнительной. Следовательно, стратегия защитных мероприятий в отношении корневых гнилей должна быть основана на оздоровлении почвы, усилении ее супрессивности [5][6][7][9][10][11].…”

“…Биологическая эффективность фунгицидов в отношении возбудителей корневых гнилей пшеницы, как правило, составляет не более 60-70% [4,5,[8][9][10][11][12]. Дело в том, что паразитические грибки приспособились и умеют частично деактивировать примененные против них яды.…”

Study of the impact of recultivated granite stone quarry dumps on the environment and agricultural land in the Leningrad region

“…It is constantly necessary to control the state of people's health in the express mode [44][45][46]. Environmental problems (environmental pollution, the death of some living organisms, land degradation) should be noted in particular [47,48].…”

Monitoring of soil pollution caused by industrial enterprises in one of the districts of St. Petersburg

“…Urban areas located between enterprises and residential areas are particularly affected in this case. The expansion of industrial zones and residential areas leads to a sharp reduction in green spaces and the deterioration of the ecological situation [23][24][25][26][27][28][29]. St. Petersburg is no exception to this rule.…”