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18 Jelena Latinović, Zora Vučinić ECOLOGICAL AND EPIDEMIOLOGICAL FEATURES AND CONTROL POSSIBILITIES OF COLLETOTRICHUM GLOEOSPORIOIDES (PENZ.) PENZ. ET SACC. CAUSAL AGENT OF OLIVE ANTHRACNOSE JELENA LATINOVIĆ, ZORA VUČINIĆ University of Montenegro, Biotechnical Institute, Podgorica Summary Olive anthracnose, caused by Colletotrichum gloeosporioides (Penz.) Penz. & Sacc., has been established in Montenegro several years ago. The results of ecological and epidemiological examinations are presented and control possibilities of the disease were discussed in this paper. Optimal temperature for growth of the fungus isolates is 25 ºC, while there is no fungal growth at 3° and 34 ºC. The growth of the isolates was the most intensive on constant darkness, but the sporulation of the fungus was the most abundant in conditions of UV light. Mummified infected olive fruits, which are left to hang on branches, as well as infected fruits dropped on the soil surface, represent the permanent source of inoculum. Infected fruits dug into soil on depth of 10-15 cm cannot serve as inoculum for realization of infections in the following year. Contaminated soil cannot be the source of inoculum in the next year, because the parasite is not sustainable in the form of mycelium throughout 12 months. Since the olive fruits are in stage of maturity in October and November in overall conditions in Montenegro, these two months could be considered as critical period for appearance and spreading of the disease, if the climatic factors, primarily rainfall and temperature are convenient for realization of infection, which was the case during 1997, 1998 and 1999. Considering these results, in control of the disease the agrotechnical measures are very valuable, primarily plowing into the soil or destroying of infected plant material, as well as adequate pruning. Key words: olive, anthracnose, Colletotrichum gloeosporioides, Montenegro, ecology and epidemiology Plant Protection: Vol. 55 (1-4), No 247-250, 5-18, 2004, Belgrade (Received: 15.02.2006.) (Accepted: 08.08.2007)
Dejstvo raznih temperatura i padavina na stepen zaraze platana 19 Zaštita bilja UDK 630*176.382:630*443 Vol. 55 (1-4), No 247-250, 19-26, 2004 Naučni rad Beograd DEJSTVO RAZNIH TEMPERATURA I INTENZITETA PADAVINA NA STEPEN ZARAZE PLATANA PROUZROKOVANE GLJIVOM APIOGNOMONIA VENETA MOMČILO ARSENIJEVIĆ, JELICA BALAŽ, TATJANA POPOVIĆ Poljoprivredni fakultet, Departman za zaštitu bilja, Novi Sad E-mail: marsa@neobee.net U radu su izneti podaci o uticaju temperature i padavina na intenzitet zaraze platana gljivom Apiognomonia veneta (Sacc. & Speg.) Höhn., prouzrokovača sušenja grančica i grana platana. Ispostavilo se da je tokom 1985. godine, kad su krajem aprila i početkom maja temperature bile relativno niske, a padavine obilate, stepen zaraze bio veoma jak. I obrnuto, u 1986. godini zaraze platana gotovo da nije ni bilo, jer ove godine krajem aprila i početkom maja temperature su bile više u odnosu na prethodnu 1985. godinu, a padavine oskudne. Ključne reči: platan, Platanus acerifolia, Apiognomonia veneta, zaraza, temperature, intenzitet padavina. UVOD Proučavajući uzroke sušenja obolelih grana platana, česte pojave u Novom Sadu, utvrđeno je da ovu bolest ispoljenu u vidu plamenjače lišća i mladara, kao i izumiranja grančica i grana prouzrokuje gljiva Apiognomonia veneta (Arsenijević i sar., 1986; 2006). Međutim, nasuprot veoma jakog stepena zaraze kad se uočava masovna pojava sušenja grančica i grana, bolest se nekih godina teško može uočiti ili je gotovo i nema. Zainteresovani za ovako nejednako ponašanje platana želeli smo da po mogućstvu objasnimo toliko različit intenzitet infekcije utvrđen pojedinih
Page 1 and 2: Ekološke i epidemiološke osobine
Page 13: Ekološke i epidemiološke osobine
Page 17 and 18: Dejstvo raznih temperatura i padavi
Page 23 and 24: Uticaj hranljive podloge i temperat
Page 35 and 36: Anatomsko-histološke karakteristik
Page 45 and 46: Odgajivačke odlike izolata Leucost
Page 61 and 62: Uticaj načina zaštite semena ozim
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Uticaj načina zaštite semena ozim
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Razvoj mikoparazita Colletrichum gl
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Chaenomeles japonica and Cotoneaste
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97 I N M E M O R I A M Dr ANTON ZAB
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