Phytosanitary Status of Wheat Crops in Northeastern Bulgaria

Petya Angelova, Petar Nikolov, Evgeniya Zhekova, Svetlana Stoyanova, Lyubomir Ivanov & Iliana Ivanova

doi:https://doi.org/10.29329/ijiaar.2023.568.3

Original article | Open Access
International Journal of Innovative Approaches in Agricultural Research 2023, Vol. 7(2) 187-197

Phytosanitary Status of Wheat Crops in Northeastern Bulgaria

Petya Angelova, Petar Nikolov, Evgeniya Zhekova, Svetlana Stoyanova, Lyubomir Ivanov & Iliana Ivanova

pp. 187 - 197 | DOI: https://doi.org/10.29329/ijiaar.2023.568.3

Published online: June 29, 2023 | Number of Views: 100 | Number of Download: 173

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Abstract

In the present work, the results of a survey of wheat crops in the area of the IASS "Obraztsov chiflik" – Ruse are presented. The study was carried out during the period 2018-2021, at the experimental field of the institute, according to accepted methods for weed infestation, species composition of the entomofauna and economically important wheat diseases.

The aim of the study is to determine the species composition of weeds, diseases and insect pest in wheat crops under the relevant agro-climatic conditions.

Weed species composition differed by year, with a total of 15 weed species from 10 families recorded. Veronica agrestis L., Lamium purpureum L., Anthemis arvensis L., Convolvulus arvensis L. and Cirsium arvense L. are ubiquitous in surveyed crop.

Insects belonging to the orders Coleoptera, Diptera, Hemiptera, Homoptera, Hymenoptera, Lepidoptera, Neuroptera and Orthoptera were identified. The proportion of the orders to which the species belonged in the three years of the study differed in culture. The total number of insects detected during the three years of the test varied on average (CV=15.63%) – 373 pcs. in 2019, 280 pcs. in 2020 and 372 pcs. in 2021.

During the period, 3 fungal pathogens of the genera Puccinia, Erysiphe and Septoria were identified. The development of Puccinia and Erysiphe pathogens during the study period was within acceptable limits according to the SEV scale (from 10% to 25%). Massive development of the pathogen Septoria sp. was observed, with the affected plant area reaching up to 65%, according to the SEV scale.

Keywords: Wheat, Phytosanitary Monitoring, Weeds, Diseases, Pests

How to Cite this Article

APA 6th edition
Angelova, P., Nikolov, P., Zhekova, E., Stoyanova, S., Ivanov, L. & Ivanova, I. (2023). Phytosanitary Status of Wheat Crops in Northeastern Bulgaria . International Journal of Innovative Approaches in Agricultural Research, 7(2), 187-197. doi: 10.29329/ijiaar.2023.568.3

Harvard
Angelova, P., Nikolov, P., Zhekova, E., Stoyanova, S., Ivanov, L. and Ivanova, I. (2023). Phytosanitary Status of Wheat Crops in Northeastern Bulgaria . International Journal of Innovative Approaches in Agricultural Research, 7(2), pp. 187-197.

Chicago 16th edition
Angelova, Petya, Petar Nikolov, Evgeniya Zhekova, Svetlana Stoyanova, Lyubomir Ivanov and Iliana Ivanova (2023). "Phytosanitary Status of Wheat Crops in Northeastern Bulgaria ". International Journal of Innovative Approaches in Agricultural Research 7 (2):187-197. doi:10.29329/ijiaar.2023.568.3.

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