Volume 79 Ljubljana, May 2002 Number 1 CONTENTS   Plant and crop science, production and protection: bibliometric evaluation of bibliographic data in documents published in Slovenia between 1994-2000 Tomaž BARTOL Abstract Genotypic characteristics of Gluconacetobacter hansenii LMG 1582 suggest its reclassification to a new species Janja Trček Abstract System of management and mineral nitrogen rates influences on the yield and malting characterisctics of winter barley Barbara ČEH BREŽNIK, Anton TAJNŠEK Abstract The cotton aphid, Aphis gossypii Glover and predators on Catalpa bignonioides Walt. Lea MILEVOJ Abstract Trženjski model oživitve etnične jedi na primeru ajdovega močnika (Marketing model of a revival of an ethnic dish in case of buckwheat pap) Katja Vadnal Abstract Primerjalna analiza sistemov zavarovanja posevkov in plodov v Sloveniji in v državah - članicah Evropske zveze (Comparative analysis of the crop insurance systems in Slovenia and in the European Union - member countries) Dejan Zdovc, Katja Vadnal , Katarina Košmelj Abstract Osnove statistične analize za urejenostne spremenljivke (Basic statistical analysis for ordinal variables ) Katarina Košmelj, Damijana Kastelec Abstract Povezava med nastopi pomladnih fenofaz in indeksom severno atlantskega nihanja v Sloveniji (Correlation between spring phenophases and north atlantic oscillation index in Slovenia) Zalika Črepinšek, Lučka KAJFEŽ-BOGATAJ, Klemen BERGANT Abstract Vsebnost selena v žitih (Slenium content in cereals ) Mateja MODIC Abstract Vpliv predelave živil na vsebnost selena (Influence of food processing on the content of selenium) Mateja MODIC Abstract Literatura s področja jablanovega škrlupa: bibliometrična raziskava (Apple scab literature: a bibliometric study) Karmen STOPAR Abstract A review of potential hazards of deliberately released Bt maize into the environment Ludvik ROZMAN and Stanislav GOMBOC Abstract Proučevanje odpornosti domačih populacij koruze (Zea mays L.) na koruzno progavost (Exserohilum turcicum / Pass. / K. J. Leonard et E. G. Suggs) (The investigation of resistance of local maize (Zea mays L.) populations against northern corn leaf blight (Exserohilum turcicum / Pass. / K. J. Leonard et E. G. Suggs) Tina MODIC, Ludvik ROZMAN Abstract The effects of root diameter on the yield components of forced chicory (Chicorium intybus L.) Jože OSVALD, Dragan ŽNIDARČIČ Abstract 15N/14N stable isotope ratios changes during nitrate reduction in a soil Marina PINTAR Abstract Plant architecture analysis. Basic concepts and applications in temperate-zone fruit growing research Anita SOLAR, Franci ŠTAMPAR Abstract The combination of NAD and NAA for thinning of ’Jonagold’ and ‘Idared’ apple trees Matej STOPAR, Peter ZADRAVEC Abstract Obstoječa in bodoča tehnična zakonodaja na področju kmetijske tehnike v Sloveniji (Existent and future technical legislation in the field of agricultural technique in Slovenia ) Rajko BERNIK Abstract Mehanična nega rastlin (Mechanical cultivation of plants)  Filip VUČAJNK, Rajko BERNIK Abstract Fiziološke lastnosti glive Monilinia laxa f. sp. mali (Wormald et Harrison) (The physiological properties of fungus Monilinia laxa f. sp. mali (Wormald et Harrison)) Filip VUČAJNK, Franci CELAR Abstract Gospodarsko pomembne lastnosti petih sort konoplje (Cannabis sativa L. var. sativa) iz poljskih poskusov v Markišavcih pri Murski Soboti (Economical important characteristics of five hemp varieties (Cannabis sativa L. var. sativa) in fields trials at Markišavci near Murska Sobota) Darja KOCJAN AČKO, Dea BARIČEVIČ, Dejan RENGEO, Samo ANDRENŠEK Abstract Micropropagation and acclimatization of yellow gentian (Gentiana lutea L.) Anita ŽELEZNIK, Dea BARIČEVIČ, Dominik VODNIK Abstract Vpliv interakcije nadmorske višine in nagiba terena na rast in rodnost vinske trte Vitis vinifera L. cv. 'Merlot' v vinorodnem okolišu Goriška brda (The influences of interaction of a height above sea level and land inclination on the growth and yield of Vitis vinifera L. cv. 'Merlot' in Goriška Brda winegrowing region ) Denis RUSJAN Abstract Vpliv dolžine korenin in količine organske snovi ob sajenju na rast cepljenk cv. 'Chardonnay' v prvi rastni dobi (The influence of roots length and compost quantity at plantation on graft growth cv. ‘Chardonnay’ in the first season) Denis RUSJAN, Zora KOROŠEC-KORUZA Abstract Stanje in procesi v kmetijstvu v različnih tipih podeželskih območij v Sloveniji (Situation and processes in agriculture in different types of rural areas in Slovenia) Anton PERPAR Abstract Krizanteme: so novosti sploh še možne? (Chrysanthemum: are novelties still possible?) Gregor OSTERC, Aleksander ŠIFTAR Abstract After the first record of Microcephalothrips abdominalis (Crawford) in Slovenia: presentation of the species and evaluation of its potential economic importance Stanislav TRDAN Abstract