CONCEPTUAL GROUNDS OF MANAGEMENT OF POTATO AGROECOSYSTEMS’ PHYTOSANITARY CONDITION
Abstract
The research was carried out from 1988 to2016 in10 potato farms ofNovosibirskregion,Kemerovoregion and theAltaiTerritory. The paper finds out that species composition of hazardous agents on potato inWestern Siberiahas significantly changed during 10 years: Jaccard similarity coefficient was 0.6. The authors highlight the potato diseases that influences on economy; they are black stem, bacterial ring rot of potatoes, Red bacterial rot, hloboderiosis and Colorado potato beetle. The paper shows low and average frequency of application of efficient parameters of phytosanitary and agrobiological factors when cultivating potato in the Western Siberian region. Bad phytosanitary situation is characterized by wide-spread Rhizoctonia rot (80.4 %), Fusarium blight (73.6 %) and Phoma rot (36.5%); bacteriosis – 34.1%; weeds – 46.3-59 %. Agrobiological parameters are characterized by weak density of crop plants (37.1–65.7 % less), the number of stolons on the bush (71.8 % less), tuber mass (22.9–94.1 % less). The authors ground the framework of phytosanitary situation of potato agroecosystem, which is based on technological, phytosanitary and agrobiological factors.
About the Authors
Iu V. Pilipova
Новосибирский государственный аграрный университет
Russian Federation
Dr. of Agricultural Sc.
Russian Federation
Dr. of Agricultural Sc.
Е. M. Shaldiaeva
Novosibirsk State Agrarian University
Russian Federation
Dr. of Biological Sc., Professor
Russian Federation
Dr. of Biological Sc., Professor
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Review
For citations:
Pilipova I.V., Shaldiaeva Е.M. CONCEPTUAL GROUNDS OF MANAGEMENT OF POTATO AGROECOSYSTEMS’ PHYTOSANITARY CONDITION. Bulletin of NSAU (Novosibirsk State Agrarian University). 2016;(4):19-25. (In Russ.)
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