Effect of removing the spring flush and irrigation on the reflowering and late ripening of cactus pear Opuntia ficus-indica (L.) Mill. | Učinek odstranjevanja spomladanskih cvetnih nastavkov in namakanja na ponovno cvetenje in pozno zorenje plodov opuncije Opuntia ficus-indica (L.) Mill.
2023
ARBA, Mohamed | ESSABIRI, Achraf
English. The effect of removing the spring flush and three irrigation doses on cactus pear’s reflowering and late ripening were studied. Removing the spring flush (scozzolatura practice) and irrigation have a significant effect (p ≤ 0,05) on the reflowering and late ripening of cactus pear. In not irrigated and not scozzolaturated plants (NINSP), the flowering extended from March 10 to May 25, 2017, and the ripening extended from May 20 to August 15, 2017. Whereas, in irrigated and scozzolaturated plants (ISP) the reflowering extended from June 15 to August 24, 2017, and the ripening extended from July 21 to November 20, 2017. The number of growths was higher in ISP (92-103 per plant) than in NINSP (81 per plant). Fruit yield was higher in NINSP (56.2 t ha-1) than in ISP (26.2-36.5 t ha-1), but fruit mass (123-131 g) and fruit length (7.83-7.92 cm) were higher in ISP than in NINSP (fruit mass: 103 g and fruit length: 7.72 cm). The rate of juice in fruits was also higher in ISP (49-55 %) than in NINSP (43 %), and the content of sugars was higher in NINSP (15.20 °Brix) than in ISP (13.83-14.56 °Brix).
Show more [+] Less [-]Slovenian. V raziskavi je bil preučevan učinek odstranjevanja nastavka prvih pomladanskih cvetnih nastavkov in treh namakanj na ponovno in pozno zorenje plodov opuncije. Odstranjevanje nastavka pomladanskih cvetov (postopek «skocolatura» -scozzolatura practice) in namakanja sta imela značilen učinek (p ≤ 0,05) na ponovno cvetenje in pozno dozorevanje plodov opuncije. Pri nenamakanih in neodstranjenih prvih cvetnih nastavkih (NINSP) je cvetenje potekalo od desetega marca do petindvajsetega maja 2017, zorenje plodov pa od dvajsetega maja do petnajstega avgusta, 2017. Pri namakanih in skocolatiranih rastlinah (ISP) je ponovno cvetenje potekalo od petnajstega junija do štiriindvajsetega avgusta, zorenje plodov pa se je podaljšalo na obdobje od enaindvajsetega julija do dvajsetega novembra, 2017. Število plodov je bilo večje pri ISP rastlinah (92-103 na rastlino) kot pri NINSP rastlinah (81 na rastlino). Pridelek plodov je bil večji pri NINSP (56,2 t ha-1) kot pri ISP rastlinah (26,2-36,5 t ha-1), tudi masa plodov (123-131 g) in dolžina plodov (7,83-7,92 cm) sta bili večji pri pri ISP kot pri NINSP rastlinah (masa plodov 103 g in dolžina plodov 7,72 cm). Delež soka v plodovih je bil pravtako večji pri ISP (49-55 %) kot pri NINSP rastlinah (43 %), a vsebnost sladkorjev je bila večja pri NINSP (15,20 °Brix) kot pri ISP rastlinah (13,83-14,56 °Brix).
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