Search
Now showing items 21-30 of 234
Influence of shading on the development of podosphaera leucotricha under field conditions
(Bulgarian Journal of Agricultural Science, 2012)
The influence of shading on the incidence and development of P.leucotricha was examined at the locality of Belgrade, during 2008 and 2009. Investigation was carried out on two-year old apple nursery trees, cultivar Idared, ...
Yield and morpnological traits in alfalfa varieties of different origin
(Agricultural Research Communication Centre, Karnal, 2015)
The study was conducted to examine variability of green forage yield (GFY) and morphological traits (tiller length, internodes length, internodes-stem diameter, leaf width and length) in nine alfalfa varieties from USA and ...
Ithytrichia eaton, 1873 (hydroptilidae: trichoptera): a genus new for the entomofauna of Serbia
(Amer Entomol Soc, Philadelphia, 2015)
During field work carried out in 2003, 2004, 2007, and 2011, larvae of the genus Ithytrichia (Trichoptera, Hydroptilidae) were identified as part of a benthic macroinvertebrate survey. Specimens of Ithytrichia lamellaris ...
Contractor choice optimization in complex projects
(Metalurgia International, 2013)
One of the most important problems that arise in the realization of any project and especially complex projects is contractor choice optimization of all its activities. The term choice optimization presumes the selection ...
Human impact on sandy beach vegetation along the southeastern Adriatic coast
(Springer, New York, 2016)
We compared the zonation of vegetation and connectivity of coastal plant communities between two distinct areas, one in Montenegro and another in Albania, that differ in terms of human impact, mainly through tourism ...
Fitness studies on invasive weedy sunflower populations from Serbia
(Ars Docendi, Bucharest, 2017)
Weedy sunflower has become a problem worldwide, giving significant yield losses in sunflower and soybean fields even at low densities, decreasing their oil quality and allowing gene flow among crops and weeds. Its evolution ...
Chemical Composition and Antimicrobial Activity of the Essential Oils of Micromeria thymifolia (Scop.) Fritsch., M. dalmatica Benth., and Satureja cuneifolia Ten. and Its Secretory Elements
(Taylor & Francis Inc, Philadelphia, 2010)
Light yellowish, pleasant-smelling essential oils were obtained in 0.3%, 1.3%, and 0.8% yields from the aerial parts of S. cuneifolia Ten., M. thymifolia (Scop.) Fritsch., and M. dalmatica Benth, respectively. Thirty-four ...
Mathematical model for the particle size distribution of a kieselguhr filter granulation
(Editura Stiintifica Fmr, Bucharest, 2012)
Diatomaceous Earth, also known as diatomite, diatomaceous silica, or kieselguhr is the material of natural origin which is composed of the skeletons of diatoms, single-celled algae, which are accumulated in huge beds. Some ...
In vitro pollen germination and pollen grain morphology in some sweet cherry (Prunus avium L.) cultivars
(Romanian Biotechnological Letters, 2013)
In vitro pollen germination on agarose-sucrose medium, and pollen grain morphology by scanning electron microscopy, were investigated in four sweet cherry (Prunus avium L.) cultivars ('Karina', 'Kordia', 'Regina' and ...
Effectiveness of fungicides and an essential-oil-based product in the control of grey mould disease in raspberry
(Scientific Issues Natl Centre Agrarian Sciences, Sofia, 2012)
Field experiments were conducted in two commercial raspberry fields to evaluate effectiveness of some fungicides and an essential oil based product in the control of Botrytis fruit rot. The experiments consisted of four ...