Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

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Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

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ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 06 (136) 2015

Агрономия

Немченко В. В. Доктор сельскохозяйственных наук, профессор, главный научный сотрудник

Кекало А. Ю. кандидат сельскохозяйственных наук, ведущий научный сотрудник Курганский научно-исследовательский институт сельского хозяйства

Заргарян Н.Ю. кандидат сельскохозяйственных наук, старший научный сотрудник Курганский научно-исследовательский институт сельского хозяйства

Филиппов А.С. кандидат сельскохозяйственных наук, ведущий научный сотрудник лаборатории регуляторов роста и защиты растений Курганский научно-исследовательский институт сельского хозяйства

УДК:631.58:632

CHANGE PHYTOSANITARY SITUATION OF WHEAT CROPS WITH MINIMIZATION OF SOIL TREATMENT IN CONDITIONS OF ZAURALYE

Shows the changes of the levels of lesion of spring wheat root rots while minimization of soil treatment. As a result of observations of the defeat of wheat root rots in conventional tillage, mini-till and no-till technologies of cultivation of wheat clarified that in the condition of the Kurgan region on leached chernozem soil while minimizing tillage no occurs critical deterioration of the phytosanitary situation in the defeat against soil-borne pathogens. The most prosperous phytosanitary condition was characteristic no-till technology of cultivation of wheat on steam predecessor. But in these conditions it is crucial to control infestation of seed-borne pathogens. 

Observations in the inpatient experience and statistical data on phytosanitary inspection of wheat crops are defined in conditions of minimization of soil treatment significantly altered the species composition of the cenosis of weeds: a growing infestation of winter weeds, among perennial creeping-rooted weeds begin to dominate the Euphorbia virgata, Conlvovulus arvensis, Lactuca tatarica, enhanced infestation of millet weeds and Avena fatua. This requires a system of diverse application of herbicides, which includes depending on the prevailing conditions along with the traditional spraying of vegetation and techniques such as pre-sowing herbicide treatment and herbicide use in the preparation of the steam fields. The article provides recommendations for the protection of plants against root rot and weeds to stabilize the phytosanitary situation in conditions of minimizing tillage.


Keywords:

root rots, weeds, spring wheat, tillage, crop rotation, fertilizers, herbicides, mini-till and no-till cultivation technology.


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