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Приказ резултата 11-20 од 111
Bionomy of spruce bud scale, Physokermes piceae (schrank) (Hemiptera: Coccidae) in the Belgrade area, Serbia
(Srpsko biološko društvo, Beograd, i dr., 2012)
Spruce bud scale, Physokermes piceae, develops on the genus Picea. Large colonies of this species are constantly present on Picea abies in green areas in the Belgrade territory, causing the drying of needles, branches and ...
The first finding of Stelidota geminata (Say) (Coleoptera: Nitidulidae) on strawberry fruits in Serbia / Prvi nalaz Stelidota geminata (Say) (Coleoptera: Nitidulidae) na plodovima jagode u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2011)
In Serbia, Stelidota geminata is for the first time found in 2011, in strawberry plantations on ripe fruits. Specimens of this species and strawberry fruits damages are established during harvest (last decade of May till ...
Aphids of genus Chaitophorus on poplars in Serbia / Biljne vaši roda Chaitophorus na topolama u Srbiji
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2011)
In the area of cultivation of poplars in Serbia, in recent years it has been increasing numbers of plant lice. Due to the increasing number of lice on plants, there were recordings of numerous and various plant injuries ...
Market as 'the invisible hand' or state interventionism as 'the visible hand' of economic policy / Tržište kao 'nevidljiva ruka' ili državni intervencionizam kao 'vidljiva ruka' ekonomske politike
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2011)
This paper presents two mutually opposed aspects of the market as a regulatory mechanism in the economy. From the aspect of entrepreneurship, the free operation of 'invisible hand' encourage the successful, but limits and ...
Jumping plant-louse Cacopsylla (Hepatopsella) bidens (Šulc, 1907) (Hemiptera, Psyllidae) new pest on pear in Serbia / Lisna buva Cacopsylla (Hepatopsylla) bidens (Šulc, 1907) (Hemiptera, Psyllidae) nova štetočina kruške u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2011)
The problem of jumping plant - lice, an important pest on pear, appeared in the middle of the twentieth century and represents a direct consequence of pear cultivation on large areas with intensive application of agrotechnical, ...
Aphids (Hemiptera: Aphididae) on wheat / Biljne vaši (Hemiptera: Aphididae) na pšenici
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2016)
Aphids (Hemiptera: Aphididae) are regularly occurring on wheat, more or less numerous, depending of the year. Direct damage, as yield losses and spoiled the baking quality of the grain, is made by aphids feeding on phloem ...
Analysis of buckwheat production in the world and Serbia / Analiza proizvodnje heljde u svetu i u Srbiji
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2014)
During the period 2010-2011 about 2.113 million ha of buckwheat was sown annually worldwide. Average yield of buckwheat during the monitored period was 913 kg ha-1. Areas and average yield have a rising tendency. The most ...
Weevils of the genus Ceutorhynchus germ associated with oilseed rape in Northern Serbia / Rilaši roda Ceutorhynchus germ u asocijaciji sa uljanom repicom na severu Srbije
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2015)
Our research of the genus Ceutorhynchus associated with oilseed rape was conducted in northern parts of Serbia (Stari Žednik, Subotica). A specific assemblage of eight weevil species was found. The most numerous were stem ...
Aphidiinae (Hymenoptera: Braconidae) of Serbia and Montenegro: Tritrophic interactions / Aphidiinae (Braconidae: Hymenoptera) Srbije i Crne gore - tritrofičke interakcije
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2012)
This study brings a list of original data of parasitic wasps from the subfamily Aphidiinae collected on the territory of Serbia and Montenegro associated with their aphid hosts and plants. Twenty-three genera and 122 species ...
Analysis of grapevine phenology in the region of Sremski Karlovci / Analiza fenologije vinove loze u području Sremskih Karlovaca
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2013)
A comprehensive analysis of phenological timing and growth intervals for eight red and thirteen white wine grape cultivars in the region of Sremski Karlovci was performed using a long-term (1986-2011) data set. Four ...