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Iskalni niz: "avtor" (Jurc Du��an) .

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61.
Insect pathogens with special reference to pathogens of bark beetles (COL. Solytidae: Ips typographus L.) : preliminary results of isolation of entomopathogenic fungi from two spruce bark beetles in Slovenia
Maja Jurc, 2004, izvirni znanstveni članek

Povzetek: This paper deals with the most important groups of insect pathogens, i.e. viruses, bacteria, fungi, nematodes and protozoans (microsporidia). We describe their basic characteristics, virulence, method of infecting or attackon the host, signs of illnesses in an affected host, pathogen survival in the outside environment, and the use of bioticcontrol of economically damaging insects. Particular importance is placed on bark beetle pathogens, which have been found in natural populations of hosts, particularly in the large spruce bark beetle (Scolytidae: Ips typographus L.). We also present ourexperience in studying entomopathogenic fungi on the species Dryocoetes autographus and Orthotomicus laricis in Slovenia.
Ključne besede: beetles pathogens, entomopathogenic fungi, biocontrol agents, insect pathogens
Objavljeno v DiRROS: 12.07.2017; Ogledov: 4274; Prenosov: 1875
.pdf Celotno besedilo (734,75 KB)

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Hormonalna kontrola jelovega semena
Dušan Jurc, 1982, končno poročilo o rezultatih raziskav

Ključne besede: gozdarstvo, shranjevanje semena, seme, kalitev, kontrola, gozdno semenarstvo
Objavljeno v DiRROS: 12.07.2017; Ogledov: 2678; Prenosov: 693
.pdf Celotno besedilo (1,05 MB)

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Znanje za gozd : zbornik ob 50. obletnici obstoja in delovanja Gozdarskega inštituta Slovenije
1997, zbornik recenziranih znanstvenih prispevkov na mednarodni ali tuji konferenci

Ključne besede: gozdarstvo, inštituti, Slovenija, znanstvenoraziskovalno delo, bibliografije, mednarodna posvetovanja, zborniki
Objavljeno v DiRROS: 12.07.2017; Ogledov: 3375; Prenosov: 1105
.pdf Celotno besedilo (20,98 MB)
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A study of important entomofauna in oak forests of Slovenia
Miroslav Harapinov, Maja Jurc, 2000, izvirni znanstveni članek

Povzetek: Insects in 9 research areas in pedunculate oak and sessile oak forests in Slovenia have been studied. We identified 35 insect species as well as two genera from 13 families. The defoliation of oak leaves in studied forests was between 10 and 90 %. More than 80 % of the defoliation was caused by mottled umber and winter moth (Erannis defoliaria Cl., Operophthera brumata L.). Leaf-roll moths are an important group of pests of oak leaves and acorns. The most numerous is the green leaf-roll moth, Tortrix viridana L., followed by Archips crataegana Hb., Laspeyresia splendana Hb. and Laspeyresia amplana Hb. The ratio of appearance of oak sawflies (Apethymus abdominalis Lep. and Apethymus braccatus Gmel.) was 9 : 1. During the past 10 years, oak miner (Tischeria complanella Hb.) has attacked young oak trees heavily. Acorn destroyers (Balaninus glandium Mrsh. and Balaninus nucum L.) were important acorn pests. During the gradation of defoliators in the Prekmurje region of Slovenia there was an increased population density of their predators, such asground beetles and burying beetles (Calosoma sycophanta L., Calosoma inquisitor L., Carabus spp., Xylodrepa quadripunctata L. We can confirm that the health of oak forests in Slovenia is better than in Croatia and southeastern Europe.
Ključne besede: dob, Quercus robur, graden, Quercus petraea, gozdarska entomologija, Insecta, žuželka, škodljivec, entomofauna, Slovenija, pedunculate oak, Quercus robur, sessile oak, Quercus petraea, forest entomology, Insecta, entomofauna, Slovenija
Objavljeno v DiRROS: 12.07.2017; Ogledov: 4391; Prenosov: 1893
.pdf Celotno besedilo (741,02 KB)

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