BIOAKTIVNOST 1,8-CINEOLA NA KUKULJICE KESTENJASTOGA BRAŠNARA TRIBOLIUM CASTANEUM (HERBST)

Red flour beetle Tribolium castaneum (Herbst) is a major pest of stored products. The aim of this study was to assess the potential fumigant effects of 1,8-cineole, essential oil component, on the T. castaneum pupae. The compound was tested in 6 doses; in two treatments (fumigation without grain and with wheat grain), exposed for 48 h, in 4 repetitions, for each gender. The compound 1,8-cineole had lethal effect on the treated pupae at both genders and in the both treatments. Total proportion of the normally developed beetles was decreased. In addition, 1,8-cineole had also a growth regulator effect, producing adultoids and deformed units, with males more susceptible. In the treatment with the grain there were significant lower dead pupae, normally developed live male beetles and also deformed female units in the stage 2. In general, compound 1,8-cineole has multiple effect against T. castaneum in pupal stage.Kestenjasti brašnar Tribolium castaneum (Herbst), je značajan štetnik uskladištenih poljoprivrednih proizvoda. Cilj rada je ispitati fumigantnu učinkovitost 1,8-cineola na kukuljice T. castaneum. Izolat je testiran u 6 doza; u dva tretmana (fumigacija bez zrna i sa zrnom pšenice) s ekspozicijom od 48 sati, u 4 ponavljanja, za svaki spol. Izolat 1,8-cineol je djelovao letalno na tretirane kukuljice kod oba spola i u oba tretmana. Smanjen je ukupni udio normalno razvijenih odraslih brašnara. Također, 1,8-cineol djelovao je i kao regulator rasta kukuljica, stvarajući adultoid i deformirane jedinke, s većom osjetljivošću muškoga spola. U tretmanu sa zrnom značajno je smanjen postotak uginulih kukuljica, normalno razvijenih živih muških jedinki, kao i deformiranih ženskih jedinki u stadiju 2. Može se zaključiti da je izolat 1,8-cineol višestruko učinkovit za suzbijanje T. castaneum u stadiju kukuljice

The impact and consequences of social networks use : The impact and consequences of social networks use

Danas društvene mreže snažno i neposredno utječu na živote ljudi, na poslovanje poduzeća te na brojne marketinške aktivnosti jer su potpuno promijenile dosadašnji način života, poslovanja i marektinškog utjecaja na ljude. Putem društvenih mreža mnogo je brže, učinkovitije i racionalnije doprijeti do ciljnih kupaca, omogućiti ljudima nesmetanu i direktnu komunikaciju, ali i olakšati poslovanje poduzeća u svru racionalizacije troškova i vremena. Međutim, postojanje društvenih mreža donijelo je i određene posljedice na ljudsko ponašanje, strukturu poslovanja poduzeća te način izvršavanja marketinških aktivnosti i provedbe marketinga. U tom smislu, potpuno je izmijenjen način na koji se danas oblikuju životi ljudi pod utjecajem društvenih mreža što dovodi do određenih divergencija u ljudskom ponašanju, način poslovanja poduzeća ostvario je niz prednosti, a i sam marketing je potpuno izmijenjen jer je sve orijentirano na viralni utjecaj na kupce. Pojava društvenih mreža je transformirala tradicionalan način života i druženja među ljudima, unaprijedila mogućnosti marketinpkih aktivnosti, ali i uvelike utjecala na promjene u ljudskoj osobnosti.SUMMARY Today, social networks have a strong and direct impact on people's lives, the company's operations in many market activities, because the current way of life, business and marketing impact on people have completely changed. Through social networks, it is much faster, more efficient and rational to reach targeted customers, enable people to communicate smoothly and directly, but also to facilitate business operations in order to rationalize costs and time. However, the existence of social networks has brought certain consequences to human behavior, the structure of business operations and the way of performing market activities and proven marketing. In this sense, the way in which the lives of people under the influence of social networks are shaped today has completely changed, which leads to certain divergences in human behavior, the way companies do business has a number of advantages, and marketing has completely changed because everything is oriented . The emergence of social networks has transformed the traditional way of life and socializing among people, improved the possibilities of market activities, but also greatly influenced changes in the human personality

The impact and consequences of social networks use : The impact and consequences of social networks use

Danas društvene mreže snažno i neposredno utječu na živote ljudi, na poslovanje poduzeća te na brojne marketinške aktivnosti jer su potpuno promijenile dosadašnji način života, poslovanja i marektinškog utjecaja na ljude. Putem društvenih mreža mnogo je brže, učinkovitije i racionalnije doprijeti do ciljnih kupaca, omogućiti ljudima nesmetanu i direktnu komunikaciju, ali i olakšati poslovanje poduzeća u svru racionalizacije troškova i vremena. Međutim, postojanje društvenih mreža donijelo je i određene posljedice na ljudsko ponašanje, strukturu poslovanja poduzeća te način izvršavanja marketinških aktivnosti i provedbe marketinga. U tom smislu, potpuno je izmijenjen način na koji se danas oblikuju životi ljudi pod utjecajem društvenih mreža što dovodi do određenih divergencija u ljudskom ponašanju, način poslovanja poduzeća ostvario je niz prednosti, a i sam marketing je potpuno izmijenjen jer je sve orijentirano na viralni utjecaj na kupce. Pojava društvenih mreža je transformirala tradicionalan način života i druženja među ljudima, unaprijedila mogućnosti marketinpkih aktivnosti, ali i uvelike utjecala na promjene u ljudskoj osobnosti.SUMMARY Today, social networks have a strong and direct impact on people's lives, the company's operations in many market activities, because the current way of life, business and marketing impact on people have completely changed. Through social networks, it is much faster, more efficient and rational to reach targeted customers, enable people to communicate smoothly and directly, but also to facilitate business operations in order to rationalize costs and time. However, the existence of social networks has brought certain consequences to human behavior, the structure of business operations and the way of performing market activities and proven marketing. In this sense, the way in which the lives of people under the influence of social networks are shaped today has completely changed, which leads to certain divergences in human behavior, the way companies do business has a number of advantages, and marketing has completely changed because everything is oriented . The emergence of social networks has transformed the traditional way of life and socializing among people, improved the possibilities of market activities, but also greatly influenced changes in the human personality

BIOACTIVITY OF 1,8-CINEOLE AGAINST RED FLOUR BEETLE TRIBOLIUM CASTANEUM (HERBST)

Red flour beetle Tribolium castaneum (Herbst) is a major pest of stored products. The aim of this study was to assess the potential fumigant effects of 1,8-cineole, essential oil component, on the T. castaneum pupae. The compound was tested in 6 doses; in two treatments (fumigation without grain and with wheat grain), exposed for 48 h, in 4 repetitions, for each gender. The compound 1,8-cineole had lethal effect on the treated pupae at both genders and in the both treatments. Total proportion of the normally developed beetles was decreased. In addition, 1,8-cineole had also a growth regulator effect, producing adultoids and deformed units, with males more susceptible. In the treatment with the grain there were significant lower dead pupae, normally developed live male beetles and also deformed female units in the stage 2. In general, compound 1,8-cineole has multiple effect against T. castaneum in pupal stage