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Proučevanje oplojevalnih odnosov in kalivosti cvetnega prahu pri orehu (Juglans regia L.) : diplomska naloga = The examination of walnut (Juglans regia L.) fertilization relations and pollen germination : graduation thesis
Lesjak, Maja
Delo obravnava oploditve pri treh glavnih cv. oreha: "petovio', "elit" in "franquette", glede na različne opraševalne cv. Izbrani so bili naslednji opraševalni cv.: " šejnovo", "G-1239", "G-1247"; ..."G-139", "G-286", "franquette"; "G-26", "MB-24" in "elit". Uspešnost določene kombinacije glavnega in opraševalnega cv. je izražena v % razvitih plodov od skupnega števila oprašenih ženskih cvetov. Vzporedno je potekal tudi in vitro test kalivosti cvetnega prahu naslednjih oprašealnih cv.: "G-286". "G-139", "elit", "MB-24", "G-26". Cvetni prah je bil nabran v letu 1991 in skladiščen pri -18°C in v letu 1992 ter skladiščen pri -18°C in 4°C. Slabe vremenske razmere so negativno vplivale na razvoj oreha in tudi na uspešnost oploditve. Odstotki razvitih plodov so nizki (4.5-36%) in razlike v % razvitih plodov glede na različne opraševalne cv. niso statistično značilne pri vseh glavnih cv. Cvetni prah, nabran v letu 1991 ni kalil. Pelod, nabran v letu 1992, pa je dal zelo variabilne rezultate. Cvetni prah cv. "G-286" ni kalil, pri cv. "elit" je kalil le pelod, skladiščen pri 4°C; pri cv. "MB-24" le pelod skladiščen pri -18°C; pelod cv. "G-26" in "G-139" je kalil pri obeh T skladiščenja.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [M. Lesjak], 1992
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