Irina Ivanko

3 Questions 10 Answers 0 Followers

Questions related from Irina Ivanko

Have you observed a similar disease Ulmus pumila in your cities and countries and do you have information on the pathogen?

In the city of Dnepr and Dnipropetrovsk region (Ukraine) many damaged trees Ulmus pumila are found in 2021 -2022. Other elm species are not damaged. These are mainly mature trees. Young trees are...

06 February 2023 4,229 4 View

Do you have information about the available free program for determining the area of leaves using a photo or image scanner?

It is necessary to quickly and in large repetition determine the area of the leaves of Prunus tenella in different lighting conditions.

22 June 2020 2,387 5 View

Dear colleagues What is the species of Ulmus with outgrowths on branches?

Within the city of Dnipro (steppe zone of Ukraine) the invasive species Ulmus pumila forms massive thickets in decommissioned areas. The investigated site is located on the watershed on the site...

01 January 1970 9,601 9 View