The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
W latach 1861–2008, na 76 gatunków i odmian botanicznych warzyw uprawianych na terenie Polski, stwierdzono występowanie 334 gatunków notowanych jako szkodniki, należących do 8 rzędów owadów: prostoskrzydłych (Orthoptera) –1 gatunek, skorków (Dermaptera) – 1, przylżeńców (Thysanoptera) – 20, pluskwiaków (Hemiptera) – 64, chrząszczy (Coleoptera) – 111, błonkoskrzydłych (Hymenoptera) – 4, motyli (Lepidoptera)...
Badania nad występowaniem oraz szkodliwością mszyc na jęczmieniu jarym wykonano w latach 2010–2012 w Boguchwale. Maksimum liczebności populacji mszyc stwierdzono w trzeciej dekadzie maja lub pierwszej połowie czerwca, kiedy rośliny były w fazie liścia flagowego (BBCH 37–41). W 2012 roku mszyce wystąpiły w bardzo dużym nasileniu osiągając średnio 10,5 sztuki na źdźble. Wszystkie zastosowane w latach...
This article studies the effect of light and high temperature on various parameters describing the growth and development of bird cherry ermine moth (Yponomeuta evonymellus L.) – the main pest of bird cherry (Prunus padus L.). We found that light significantly influences the moth masses and dynamics of their development. Moths developed from larvae feeding on leaves growing in full light conditions...
Number of Melolontha grubs in forest soils reforested with Scots pine (Lubartów A, LA, Lubartow B, LB) and those in post agricultural soils afforested with this species (Swierczyna, SW) were assessed before (autumn 2011, spring 2012) and one year after (2013) planting. At the same time, mortality of seedlings was evaluated on both study sites. Pine sawdust was mixed with soil in rows (treatment T1)...
The information about the occurrence of the invasive bark beetle Xylosandrus germanus (Bldf.) in Poland is presented. A set of traits enabling its distinguishing from similar Anisandrus dispar is provided.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.