численность

Еffictiveness of insecticides in crops sinapis alba

Submitted by red on Sun, 12/06/2022 - 16:23

On crops of white mustard on sod-slightly podzolic soil with a humus content of 2.6%, pests were registered: pests of beetles, bugs, and aphids. High efficiency of Sumi-alpha, EC was revealed with a consumption rate of 0.2 l/ha on the 20th day after treatment, the effectiveness against flea beetles, rape flower beetles, bugs and aphids was 92.6%, 93.4%, 97.5% and 98.5%, respectively.

The effect of biologies on calega orientalis pests

Submitted by red on Fri, 31/07/2020 - 11:37

On sod-weakly podzolic soil with a humus content of 2.6% that is in the Vologda region the pests such as striped, moth-like sitona, clover seed-eaters, various bedbugs and fleas were registered on Galega orientalis crops. A fairly high efficiency (85.2-90.4%) of the bitoxibacillin (BTB), P biologies against pests with a consumption rate of 4 kg/ha was established. The efficiency of dendrobacillin, P biopreparation with a consumption rate of 4 kg/ha was 62.5-87.6 %.

Insecticide effect on sinapis alba pests

Submitted by red on Wed, 06/11/2019 - 11:01

The most common pests have been identified on the seed crops of wild mustard on the sod-weakly podzolic soil of the Vologda region. They are wavy cabbage flea, black cabbage flea, rapeseed pollen beetle, cabbage bugs, herbal bugs, mustard bugs and cabbage aphids. A high efficiency of insecticides against pests has been established. Among them are Sumi-alpha, CE with a flow rate of 0.2 l /ha-93.5-99.3 %; Karate Zeon, ISS with a flow rate of 0.1 l/ha – 90.5-93.5% and Fastak, CE with a flow rate of 0.1 l / ha – 84.5-90.5 %.

The dynamics of number, indices of productivity and economic use in the breed populations of dairy cattle

Submitted by red on Thu, 14/02/2019 - 15:20

The article presents the results of monitoring the number of livestock, the indices of dairy cows productivity and the period of their economic use in the populations of Ayrshire, Holstein, Kholmogory, Black and White, Yaroslavl breeds in all categories of farms of the Vologda region. Based on the data from yearbooks on breeding on dairy cattle breeding farms of the Russian Federation the dynamics in the number of evaluated cattle and cows according to their breed populations for 2012-2016 has been defined.

Phytophagous in seed crops of galega orientalis in the Vologda region

Submitted by red on Wed, 27/12/2017 - 13:17

Main phytophagous species belonged to the families of Coleoptera, Heteroptera, Homoptera, Lepidoptera are determined on seed crops of Galega orientalis on the sod-alsopozoriti soil. Longstanding research has established the influence of weather on the population dynamics of the pest and high efficiency of decis and bitoxybacillin of 85.5-95.5 %.

Weevils of the genus Sitona in seed crops of galega orientalis

Submitted by red on Wed, 27/12/2017 - 13:09

On seed crops of Galega orientalis (sod-weakly podzolic soil) weevils of the genus Sitona belonging to Coleoptera order have been found. High efficiency (98,5-100,0 %) of actellic drug against Sitona weevils with the normal flow of 1 l/ha has been established.

Species composition and the influence of insects-pollinators on crops of sinapis alba

Submitted by red on Wed, 27/12/2017 - 12:47

There are identified insects-pollinators, belonging to the orders Hymenoptera (7 species), Diptera (7 species) and Lepidoptera (1 species), on seed crops of white mustard (Sinapis alba) on sod-weakly podzolic soil. It is established sufficiently high utility of pollinators, increasing seed yield by 31,8 %.

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