Peculiarities of key malicious items of blackcurrant development (Ribes nigrum L.) in the conditions of abiotic stress of 2010

Authors

  • Е. А. Козлова Государственное научное учреждение Всероссийский научно-исследовательский институт селекции плодовых культур, Russian Federation

DOI:

https://doi.org/10.21498/2518-1017.1(18).2013.58696

Keywords:

смородина чорна, абіотичні фактори, патогени, шкідники.

Abstract

The trend for development and spreading of diseases and pests of blackcurrant at Orel region in the conditions of extreme drought in 2010 has been detected. Abnormal weather conditions of the summer and the lack of precipitation limited both growth of host plant and disease spreading. At the background of extreme conditions of 2010 the crop phenophases shifted to earlier dates. The awakening of wintering pathogen structures began in the classic dates of the spring, although in summer their biological cycle went off rapidly. Due to the lack of moisture the disease pathogens failed to fully realize their potential of development and spreading. A favorable aspect of the extreme conditions of vegetation period, the reducing of the protective measures against diseases, is to be admitted. Abnormal weather conditions accelerated the pathogen biological cycles and reduced the stock of wintering infection; meanwhile they provoked colonization of the plants by pests. In extremely high air temperature and lasting lack of precipitation the pests number was intensively increasing, exceeding the maliciousness threshold. Due to the above some additional insecticide and acaricide treatments of berry crops were applied. Thus, the vegetation period of 2010 was described as most favorable for the development and spreading of pests and less favorable for disease pathogens.

Author Biography

Е. А. Козлова, Государственное научное учреждение Всероссийский научно-исследовательский институт селекции плодовых культур

E.А. Kozlova

References

Хохряков, М.К. Методические указания по экспериментальному изучению фитопатогенных грибов / М.К. Хохряков. – Л.: ВИЗР, 1976. – 64 с.

Берим, Н.Г. Методы учета численности вредителей на плодово-ягодных культурах / Н.Г. Берим. – Москва, 1981. – 24 c .

Published

2013-02-12

How to Cite

Козлова, Е. А. (2013). Peculiarities of key malicious items of blackcurrant development (Ribes nigrum L.) in the conditions of abiotic stress of 2010. Plant Varieties Studying and Protection, (1(18), 14–17. https://doi.org/10.21498/2518-1017.1(18).2013.58696

Issue

Section

VARIETY STUDYING AND VARIETY SCIENCE