{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1168"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1168","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ IN VITRO ΤΟΥ ΥΠΟΚΕΙΜΕΝΟΥ ΡΟΔΑΚΙΝΙΑΣ GF-677 ΚΑΙ ΤΗΣ ΠΕΤΟΥΝΙΑΣ (PETUNIA HYBRIDA)","abstract":"THE FACTORS STUDIED IN THIS PH.D THESIS WHICH AFFECT PROLIFERATION AND ROOTING OF IN VITRO CULTURES ARE THE PLANT SPECIES, THE KIND OF PLANT MATERIAL USED, THE TIME OF TANSPLANTING, THE GROWTH REGULATORS USED AND IN GENERAL THE CHEMICAL COMPOSITION OF CULTURE MEDIUM. OTHER FACTORS INCLUDE TEMPERATURE AND CHEMICAL COMPOSITION OF THE ATMOSPHERE OF CULTURE VESSELS, I.E. CONCENTRATION OF ETHYLENEAND CO2. FOR BETTER UNDERSTANDING OF THE EFFECT OF ETHYLENE AND CO2 ON PROLIFERATION AND ROOTING, TWO SPECIES TESTED, NAMELY THE PEACH-ALMOND HYBRID (GF-677)WHICH IS WOODY SPECIES AND PETUNIA HYBRIDA PLANTS (A HERBACEOUS AND ANUAL SPECIES). FROM THIS RESEARCH WE CONCLUDED THAT THE MOST SUITABLE PLANT PART FOR THEINITIATION OF IN VITRO CULTURES OF GF-677 ARE THE HERBACEOUS SHOOT TIPS DERIVED FROM TREES IN CONTAINERS GROWN INTO A GREENHOUSE, DURING WINTER. FROM THE TESTED CYTOKININS BENZYLADENINE (BΑ) GAVE A GREATEST NUMBER OF PLANTLETS IN COMPARISON TO 2IP AT 1 MG/1. HOWEVER, 2IP GAVE LONGER PLANTLETS. THE PLANTLETS OF GF-677 START TO ROOT 12 DAYS AFTER TRANSFERING TO THE ROOTING MEDIUM CONTAINING IBA OR A-NAA. THE PERCENTAGE OF ROOTING WAS 100% AND IBA PRODUCED MORE ROOTS PER PLANT. WHEN SENESCENT CULTURES OF GF-677 WERE EXPOSED TO 3 C FOR 3 WEEKS THEIR PROLIFERATION RATE INCREASED TO 17,6 SHOOTS/CULTURE. ON THE CONTRARY EXPOSURE TO 22 C HAD AS A CONSEQUENCE THE DEATH OF SENESCENT CULTURES. WHEN THE CULTURES WERE PROVIDED WITH ETHYLENE AT A CONCENTRATION OF 0,1 PPM OR AFTER CLOSURE OF CULTURE VESSELS WITH RUBBER STOPPERS THE RATE OF PROLIFERATION AND THE PERCENTAGE OF ROOTING INCREASED. PETUNIA RESPONDED TO 10 PPM ETHYLENE AND GAVE 5 TIMES MORE ROOTS IN COMPARISON TO ZERO ETHYLENE. CO2 AT A CONCENTRATION OF 0,5% IN THEATMOSPHERE OF CULTURE VESSELS OF GF-677 INCREASED BY 50% THE WEIGHT OF CULTURES AND IN SOME CASES THE NUMBER AND LENGTH OF SHOOTS.","abstract_html":"THE FACTORS STUDIED IN THIS PH.D THESIS WHICH AFFECT PROLIFERATION AND ROOTING OF IN VITRO CULTURES ARE THE PLANT SPECIES, THE KIND OF PLANT MATERIAL USED, THE TIME OF TANSPLANTING, THE GROWTH REGULATORS USED AND IN GENERAL THE CHEMICAL COMPOSITION OF CULTURE MEDIUM. OTHER FACTORS INCLUDE TEMPERATURE AND CHEMICAL COMPOSITION OF THE ATMOSPHERE OF CULTURE VESSELS, I.E. CONCENTRATION OF ETHYLENEAND CO2. FOR BETTER UNDERSTANDING OF THE EFFECT OF ETHYLENE AND CO2 ON PROLIFERATION AND ROOTING, TWO SPECIES TESTED, NAMELY THE PEACH-ALMOND HYBRID (GF-677)WHICH IS WOODY SPECIES AND PETUNIA HYBRIDA PLANTS (A HERBACEOUS AND ANUAL SPECIES). FROM THIS RESEARCH WE CONCLUDED THAT THE MOST SUITABLE PLANT PART FOR THEINITIATION OF IN VITRO CULTURES OF GF-677 ARE THE HERBACEOUS SHOOT TIPS DERIVED FROM TREES IN CONTAINERS GROWN INTO A GREENHOUSE, DURING WINTER. FROM THE TESTED CYTOKININS BENZYLADENINE (BΑ) GAVE A GREATEST NUMBER OF PLANTLETS IN COMPARISON TO 2IP AT 1 MG/1. HOWEVER, 2IP GAVE LONGER PLANTLETS. THE PLANTLETS OF GF-677 START TO ROOT 12 DAYS AFTER TRANSFERING TO THE ROOTING MEDIUM CONTAINING IBA OR A-NAA. THE PERCENTAGE OF ROOTING WAS 100% AND IBA PRODUCED MORE ROOTS PER PLANT. WHEN SENESCENT CULTURES OF GF-677 WERE EXPOSED TO 3 C FOR 3 WEEKS THEIR PROLIFERATION RATE INCREASED TO 17,6 SHOOTS/CULTURE. ON THE CONTRARY EXPOSURE TO 22 C HAD AS A CONSEQUENCE THE DEATH OF SENESCENT CULTURES. WHEN THE CULTURES WERE PROVIDED WITH ETHYLENE AT A CONCENTRATION OF 0,1 PPM OR AFTER CLOSURE OF CULTURE VESSELS WITH RUBBER STOPPERS THE RATE OF PROLIFERATION AND THE PERCENTAGE OF ROOTING INCREASED. PETUNIA RESPONDED TO 10 PPM ETHYLENE AND GAVE 5 TIMES MORE ROOTS IN COMPARISON TO ZERO ETHYLENE. CO2 AT A CONCENTRATION OF 0,5% IN THEATMOSPHERE OF CULTURE VESSELS OF GF-677 INCREASED BY 50% THE WEIGHT OF CULTURES AND IN SOME CASES THE NUMBER AND LENGTH OF SHOOTS.","abstract_has_math":false,"creators":["Δημάση-Θεριού, Κορτέσσα","Dimassi-Theriou, Kortessa"],"institution":"Aristotle University Of Thessaloniki (AUTH)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-24T02:24:46Z","subjects":["ΑΥΞΗΤΙΚΕΣ ΟΥΣΙΕΣ","ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΜΙΚΡΟΜΟΣΧΕΥΜΑΤΩΝ","ΕΠΙΔΡΑΣΗ CO2 ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΕΠΙΔΡΑΣΗ ΘΕΡΜΟΚΡΑΣΙΑΣ ΣΤΗΝ ΠΑΡΑΓΩΓΗ ΒΛΑΣΤΩΝ","Η ΓΗΡΑΝΣΗ ΚΑΛΛΙΕΡΓΕΙΩΝ IN VITRO ΤΟΥ GF-677","ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟΣ ΟΠΩΡΟΦΟΡΩΝ","ΡΟΛΟΣ ΑΙΘΥΛΕΝΙΟΥ ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΥΠΟΚΕΙΜΕΝΑ ΡΟΔΑΚΙΝΙΑΣ GF-677","GROWTH REGALATORS","MICROPROPAGATION OF FRUIT TREES","PEACH-ROOTSTOCKS GF-677","PROLIFERATION AND ROOTING OF MICROCUTTINGS","ROLE OF ETHYLENE IN MICROPROPAGATION","TEMPERATURE EFFECT ON SHOOT PROLIFERATION","THE SENESCENCE OF IN VITRO CULTURES OF GF-677","Γεωπονικές Επιστήμες και Κτηνιατρική","Γεωπονία, Δασολογία και Αλιεία","Agricultural and Veterinary Sciences","Agriculture, Forestry and Fisheries"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1168"],"render_values":[{"text":"10.12681/eadd/1168","href":"https://doi.org/10.12681/eadd/1168","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1168","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Δημάση-Θεριού, Κορτέσσα","Dimassi-Theriou, Kortessa"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["Aristotle University Of Thessaloniki (AUTH)","Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ΑΥΞΗΤΙΚΕΣ ΟΥΣΙΕΣ","ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΜΙΚΡΟΜΟΣΧΕΥΜΑΤΩΝ","ΕΠΙΔΡΑΣΗ CO2 ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΕΠΙΔΡΑΣΗ ΘΕΡΜΟΚΡΑΣΙΑΣ ΣΤΗΝ ΠΑΡΑΓΩΓΗ ΒΛΑΣΤΩΝ","Η ΓΗΡΑΝΣΗ ΚΑΛΛΙΕΡΓΕΙΩΝ IN VITRO ΤΟΥ GF-677","ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟΣ ΟΠΩΡΟΦΟΡΩΝ","ΡΟΛΟΣ ΑΙΘΥΛΕΝΙΟΥ ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΥΠΟΚΕΙΜΕΝΑ ΡΟΔΑΚΙΝΙΑΣ GF-677","GROWTH REGALATORS","MICROPROPAGATION OF FRUIT TREES","PEACH-ROOTSTOCKS GF-677","PROLIFERATION AND ROOTING OF MICROCUTTINGS","ROLE OF ETHYLENE IN MICROPROPAGATION","TEMPERATURE EFFECT ON SHOOT PROLIFERATION","THE SENESCENCE OF IN VITRO CULTURES OF GF-677","Γεωπονικές Επιστήμες και Κτηνιατρική","Γεωπονία, Δασολογία και Αλιεία","Agricultural and Veterinary Sciences","Agriculture, Forestry and Fisheries"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1168","http://hdl.handle.net/10442/hedi/1168"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE FACTORS STUDIED IN THIS PH.D THESIS WHICH AFFECT PROLIFERATION AND ROOTING OF IN VITRO CULTURES ARE THE PLANT SPECIES, THE KIND OF PLANT MATERIAL USED, THE TIME OF TANSPLANTING, THE GROWTH REGULATORS USED AND IN GENERAL THE CHEMICAL COMPOSITION OF CULTURE MEDIUM. OTHER FACTORS INCLUDE TEMPERATURE AND CHEMICAL COMPOSITION OF THE ATMOSPHERE OF CULTURE VESSELS, I.E. CONCENTRATION OF ETHYLENEAND CO2. FOR BETTER UNDERSTANDING OF THE EFFECT OF ETHYLENE AND CO2 ON PROLIFERATION AND ROOTING, TWO SPECIES TESTED, NAMELY THE PEACH-ALMOND HYBRID (GF-677)WHICH IS WOODY SPECIES AND PETUNIA HYBRIDA PLANTS (A HERBACEOUS AND ANUAL SPECIES). FROM THIS RESEARCH WE CONCLUDED THAT THE MOST SUITABLE PLANT PART FOR THEINITIATION OF IN VITRO CULTURES OF GF-677 ARE THE HERBACEOUS SHOOT TIPS DERIVED FROM TREES IN CONTAINERS GROWN INTO A GREENHOUSE, DURING WINTER. FROM THE TESTED CYTOKININS BENZYLADENINE (BΑ) GAVE A GREATEST NUMBER OF PLANTLETS IN COMPARISON TO 2IP AT 1 MG/1. HOWEVER, 2IP GAVE LONGER PLANTLETS. THE PLANTLETS OF GF-677 START TO ROOT 12 DAYS AFTER TRANSFERING TO THE ROOTING MEDIUM CONTAINING IBA OR A-NAA. THE PERCENTAGE OF ROOTING WAS 100% AND IBA PRODUCED MORE ROOTS PER PLANT. WHEN SENESCENT CULTURES OF GF-677 WERE EXPOSED TO 3 C FOR 3 WEEKS THEIR PROLIFERATION RATE INCREASED TO 17,6 SHOOTS/CULTURE. ON THE CONTRARY EXPOSURE TO 22 C HAD AS A CONSEQUENCE THE DEATH OF SENESCENT CULTURES. WHEN THE CULTURES WERE PROVIDED WITH ETHYLENE AT A CONCENTRATION OF 0,1 PPM OR AFTER CLOSURE OF CULTURE VESSELS WITH RUBBER STOPPERS THE RATE OF PROLIFERATION AND THE PERCENTAGE OF ROOTING INCREASED. PETUNIA RESPONDED TO 10 PPM ETHYLENE AND GAVE 5 TIMES MORE ROOTS IN COMPARISON TO ZERO ETHYLENE. CO2 AT A CONCENTRATION OF 0,5% IN THEATMOSPHERE OF CULTURE VESSELS OF GF-677 INCREASED BY 50% THE WEIGHT OF CULTURES AND IN SOME CASES THE NUMBER AND LENGTH OF SHOOTS.","ΟΙ ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΜΕΛΕΤΗΘΗΚΑΝ ΣΤΗΝ ΠΑΡΟΥΣΑ ΔΙΔΑΚΤΟΡΙΚΗ ΔΙΑΤΡΙΒΗ ΚΑΙ ΟΙ ΟΠΟΙΟΙ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΣΕ IN VITRO ΚΑΛΛΙΕΡΓΕΙΕΣ ΕΙΝΑΙ ΤΟ ΕΙΔΟΣ ΤΟΥ ΦΥΤΙΚΟΥ ΥΛΙΚΟΥ, Η ΕΠΟΧΗ ΛΗΨΗΣ ΤΟΥ ΥΠΟΣΤΡΩΜΑΤΟΣ, Η ΘΕΡΜΟΚΡΑΣΙΑ ΚΑΙ Η ΣΥΝΘΕΣΗ ΤΗΣ ΑΤΜΟΣΦΑΙΡΑΣ ΤΩΝ ΣΩΛΗΝΩΝ, ΔΗΛΑΔΗ Η ΣΥΓΚΕΝΤΡΩΣΗ Σ'ΑΥΤΗ ΤΟΥ ΑΙΘΥΛΕΝΙΟΥ ΚΑΙ ΤΟΥ CO2. ΓΙΑ ΠΛΗΡΕΣΤΕΡΗ ΚΑΤΑΝΟΗΣΗ ΤΟΥ ΡΟΛΟΥ ΤΟΥ CO2 ΚΑΙ ΤΟΥ ΑΙΘΥΛΕΝΙΟΥ ΣΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝ 2 ΕΙΔΗ ΤΟ GF-677 (ΥΒΡΙΔΙΟ ΡΟΔΑΚΙΝΙΑΣ ΧΑΜΥΓΔΑΛΙΑ) ΚΑ ΠΕΤΟΥΝΙΑ (ΠΟΩΔΕΣ ΕΤΗΣΙΟ ΦΥΤΟ). ΑΠΟ ΤΗ ΜΕΛΕΤΗ ΑΥΤΗ ΠΡΟΕΚΥΨΕ ΟΤΙ ΤΟ ΚΑΤΑΛΛΗΛΟΤΕΡΟ ΥΛΙΚΟ ΓΙΑ ΤΟΝ IN VITRO ΠΟΛΛΑΠΛΑΣΙΑΣΜΟ ΤΟΥ GF-677 ΕΙΝΑΙ ΟΙ ΠΟΩΔΕΙΣ ΒΛΑΣΤΙΚΕΣ ΚΟΡΥΦΕΣ ΑΠΟ ΔΕΝΔΡΥΛΛΙΑ ΠΟΥ ΔΙΑΤΗΡΟΥΝΤΑΙ ΤΟ ΧΕΙΜΩΝΑ ΜΕΣΑ ΣΕ ΘΕΡΜΟΚΗΠΙΟ. ΑΠΟ ΤΙΣ ΚΥΤΟΚΙΝΙΝΕΣ Η ΒΑ ΕΔΩΣΕ ΜΕΓΑΛΥΤΕΡΟ ΑΡΙΘΜΟ ΒΛΑΣΤΩΝ ΣΕ ΣΧΕΣΗ ΜΕ ΤΗΝ 2ΙΡ ΟΜΩΣ ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ 1 ΜG/1 ΕΔΩΣΕ ΠΙΟ ΕΠΙΜΗΚΕΙΣ ΒΛΑΣΤΟΥΣ. ΕΠΙΣΗΣ Ο ΜΕΓΙΣΤΟΣ ΑΡΙΘΜΟΣ ΒΛΑΣΤΩΝ ΕΞΑΣΦΑΛΙΣΤΗΚΕ ΜΕ Ο,01 MG/1 IAA. Η ΡΙΖΟΒΟΛΙΑ ΤΟΥ GF-677 ΑΡΧΙΖΕΙ ΤΗ 12Η ΗΜΕΡΑ ΣΕ ΥΠΟΣΤΡΩΜΑ WPM ΚΑΙ ΦΘΑΝΕΙ ΤΟ 100%. ΑΠΟ ΤΙΣ ΑΥΞΙΝΕΣ Η ΙΒΑ ΕΔΩΣΕ ΜΕΓΑΛΥΤΕΡΟ ΑΡΙΘΜΟ ΡΙΖΩΝ ΣΕ ΣΧΕΣΗ ΜΕ ΤΟ Α-ΝΑΑ. ΕΚΘΕΣΗ ΦΘΙΝΟΥΣΩΝ ΚΑΛΛΙΕΡΓΕΙΩΝ ΤΟΥ GF- 677 ΣΕ 3 C ΕΠΙ 3 ΕΒΔΟΜΑΔΕΣ ΑΥΞΗΣΕ ΤΗΝ ΟΡΓΑΝΟΓΕΝΕΤΙΚΗ ΙΚΑΝΟΤΗΤΑ (17,6 ΒΛΑΣΤΟΙ) ΕΝΩ ΣΕ 22 C ΟΙ ΚΑΛΛΙΕΡΓΕΙΕΣ ΔΕΝ ΑΝΑΒΛΑΣΤΗΣΑΝ. ΧΟΡΗΓΗΣΗ ΑΙΘΥΛΕΝΙΟΥ ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ 0,1 ΡΡΜ 'Η ΚΛΕΙΣΙΜΟ ΤΩΝ ΣΩΛΗΝΩΝ ΙΣΤΟΚΑΛΛΙΕΡΓΕΙΑΣ ΜΕ ΕΛΑΣΤΙΚΟ ΠΩΜΑ ΑΥΞΗΣΕ ΤΟΝ ΑΡΙΘΜΟ ΤΩΝ ΒΛΑΣΤΩΝ ΣΤΟ GF-677 ΚΑΘΩΣ ΚΑΙ ΤΟ ΠΟΣΟΣΤΟ ΡΙΖΟΒΟΛΙΑΣ. ΣΤΗΝ ΠΕΤΟΥΝΙΑ ΜΕ 10 ΡΡΜ ΑΙΘΥΛΕΝΙΟΥ Ο ΑΡΙΘΜΟΣ ΡΙΖΩΝ ΥΠΕΡΠΕΝΤΑΠΛΑΣΙΑΣΤΗΚΕ ΤΟ CO2 ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ0,1-0,5% ΣΕ IN VITRO ΚΑΛΛΙΕΡΓΕΙΕΣ ΤΟΥ GF-677 ΑΥΞΗΣΕ ΚΑΤΑ 50% ΤΟ ΒΑΡΟΣ ΤΩΝ ΚΑΛΛΙΕΡΓΕΙΩΝ ΚΑΘΩΣ ΚΑΙ ΤΟΝ ΑΡΙΘΜΟ ΚΑΙ ΜΗΚΟΣ ΒΛΑΣΤΩΝ ΣΕ ΟΡΙΣΜΕΝΕΣ ΜΟΝΟ ΠΕΡΙΠΤΩΣΕΙΣ."]},{"key":"dc:title","label":"Title","values":["ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ IN VITRO ΤΟΥ ΥΠΟΚΕΙΜΕΝΟΥ ΡΟΔΑΚΙΝΙΑΣ GF-677 ΚΑΙ ΤΗΣ ΠΕΤΟΥΝΙΑΣ (PETUNIA HYBRIDA)","FACTORS AFFECTING PROLIFERATION AND ROOTING IN VITRO OF THE PEACH ROOTSTOCK GF-677 AND OF PETUNIA (PETUNIA HYBRIDA)"]}]}],"canonical_facts":{"dc:creator":["Δημάση-Θεριού, Κορτέσσα","Dimassi-Theriou, Kortessa"],"dc:date":["1989"],"dc:description":["THE FACTORS STUDIED IN THIS PH.D THESIS WHICH AFFECT PROLIFERATION AND ROOTING OF IN VITRO CULTURES ARE THE PLANT SPECIES, THE KIND OF PLANT MATERIAL USED, THE TIME OF TANSPLANTING, THE GROWTH REGULATORS USED AND IN GENERAL THE CHEMICAL COMPOSITION OF CULTURE MEDIUM. OTHER FACTORS INCLUDE TEMPERATURE AND CHEMICAL COMPOSITION OF THE ATMOSPHERE OF CULTURE VESSELS, I.E. CONCENTRATION OF ETHYLENEAND CO2. FOR BETTER UNDERSTANDING OF THE EFFECT OF ETHYLENE AND CO2 ON PROLIFERATION AND ROOTING, TWO SPECIES TESTED, NAMELY THE PEACH-ALMOND HYBRID (GF-677)WHICH IS WOODY SPECIES AND PETUNIA HYBRIDA PLANTS (A HERBACEOUS AND ANUAL SPECIES). FROM THIS RESEARCH WE CONCLUDED THAT THE MOST SUITABLE PLANT PART FOR THEINITIATION OF IN VITRO CULTURES OF GF-677 ARE THE HERBACEOUS SHOOT TIPS DERIVED FROM TREES IN CONTAINERS GROWN INTO A GREENHOUSE, DURING WINTER. FROM THE TESTED CYTOKININS BENZYLADENINE (BΑ) GAVE A GREATEST NUMBER OF PLANTLETS IN COMPARISON TO 2IP AT 1 MG/1. HOWEVER, 2IP GAVE LONGER PLANTLETS. THE PLANTLETS OF GF-677 START TO ROOT 12 DAYS AFTER TRANSFERING TO THE ROOTING MEDIUM CONTAINING IBA OR A-NAA. THE PERCENTAGE OF ROOTING WAS 100% AND IBA PRODUCED MORE ROOTS PER PLANT. WHEN SENESCENT CULTURES OF GF-677 WERE EXPOSED TO 3 C FOR 3 WEEKS THEIR PROLIFERATION RATE INCREASED TO 17,6 SHOOTS/CULTURE. ON THE CONTRARY EXPOSURE TO 22 C HAD AS A CONSEQUENCE THE DEATH OF SENESCENT CULTURES. WHEN THE CULTURES WERE PROVIDED WITH ETHYLENE AT A CONCENTRATION OF 0,1 PPM OR AFTER CLOSURE OF CULTURE VESSELS WITH RUBBER STOPPERS THE RATE OF PROLIFERATION AND THE PERCENTAGE OF ROOTING INCREASED. PETUNIA RESPONDED TO 10 PPM ETHYLENE AND GAVE 5 TIMES MORE ROOTS IN COMPARISON TO ZERO ETHYLENE. CO2 AT A CONCENTRATION OF 0,5% IN THEATMOSPHERE OF CULTURE VESSELS OF GF-677 INCREASED BY 50% THE WEIGHT OF CULTURES AND IN SOME CASES THE NUMBER AND LENGTH OF SHOOTS.","ΟΙ ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΜΕΛΕΤΗΘΗΚΑΝ ΣΤΗΝ ΠΑΡΟΥΣΑ ΔΙΔΑΚΤΟΡΙΚΗ ΔΙΑΤΡΙΒΗ ΚΑΙ ΟΙ ΟΠΟΙΟΙ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΣΕ IN VITRO ΚΑΛΛΙΕΡΓΕΙΕΣ ΕΙΝΑΙ ΤΟ ΕΙΔΟΣ ΤΟΥ ΦΥΤΙΚΟΥ ΥΛΙΚΟΥ, Η ΕΠΟΧΗ ΛΗΨΗΣ ΤΟΥ ΥΠΟΣΤΡΩΜΑΤΟΣ, Η ΘΕΡΜΟΚΡΑΣΙΑ ΚΑΙ Η ΣΥΝΘΕΣΗ ΤΗΣ ΑΤΜΟΣΦΑΙΡΑΣ ΤΩΝ ΣΩΛΗΝΩΝ, ΔΗΛΑΔΗ Η ΣΥΓΚΕΝΤΡΩΣΗ Σ'ΑΥΤΗ ΤΟΥ ΑΙΘΥΛΕΝΙΟΥ ΚΑΙ ΤΟΥ CO2. ΓΙΑ ΠΛΗΡΕΣΤΕΡΗ ΚΑΤΑΝΟΗΣΗ ΤΟΥ ΡΟΛΟΥ ΤΟΥ CO2 ΚΑΙ ΤΟΥ ΑΙΘΥΛΕΝΙΟΥ ΣΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝ 2 ΕΙΔΗ ΤΟ GF-677 (ΥΒΡΙΔΙΟ ΡΟΔΑΚΙΝΙΑΣ ΧΑΜΥΓΔΑΛΙΑ) ΚΑ ΠΕΤΟΥΝΙΑ (ΠΟΩΔΕΣ ΕΤΗΣΙΟ ΦΥΤΟ). ΑΠΟ ΤΗ ΜΕΛΕΤΗ ΑΥΤΗ ΠΡΟΕΚΥΨΕ ΟΤΙ ΤΟ ΚΑΤΑΛΛΗΛΟΤΕΡΟ ΥΛΙΚΟ ΓΙΑ ΤΟΝ IN VITRO ΠΟΛΛΑΠΛΑΣΙΑΣΜΟ ΤΟΥ GF-677 ΕΙΝΑΙ ΟΙ ΠΟΩΔΕΙΣ ΒΛΑΣΤΙΚΕΣ ΚΟΡΥΦΕΣ ΑΠΟ ΔΕΝΔΡΥΛΛΙΑ ΠΟΥ ΔΙΑΤΗΡΟΥΝΤΑΙ ΤΟ ΧΕΙΜΩΝΑ ΜΕΣΑ ΣΕ ΘΕΡΜΟΚΗΠΙΟ. ΑΠΟ ΤΙΣ ΚΥΤΟΚΙΝΙΝΕΣ Η ΒΑ ΕΔΩΣΕ ΜΕΓΑΛΥΤΕΡΟ ΑΡΙΘΜΟ ΒΛΑΣΤΩΝ ΣΕ ΣΧΕΣΗ ΜΕ ΤΗΝ 2ΙΡ ΟΜΩΣ ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ 1 ΜG/1 ΕΔΩΣΕ ΠΙΟ ΕΠΙΜΗΚΕΙΣ ΒΛΑΣΤΟΥΣ. ΕΠΙΣΗΣ Ο ΜΕΓΙΣΤΟΣ ΑΡΙΘΜΟΣ ΒΛΑΣΤΩΝ ΕΞΑΣΦΑΛΙΣΤΗΚΕ ΜΕ Ο,01 MG/1 IAA. Η ΡΙΖΟΒΟΛΙΑ ΤΟΥ GF-677 ΑΡΧΙΖΕΙ ΤΗ 12Η ΗΜΕΡΑ ΣΕ ΥΠΟΣΤΡΩΜΑ WPM ΚΑΙ ΦΘΑΝΕΙ ΤΟ 100%. ΑΠΟ ΤΙΣ ΑΥΞΙΝΕΣ Η ΙΒΑ ΕΔΩΣΕ ΜΕΓΑΛΥΤΕΡΟ ΑΡΙΘΜΟ ΡΙΖΩΝ ΣΕ ΣΧΕΣΗ ΜΕ ΤΟ Α-ΝΑΑ. ΕΚΘΕΣΗ ΦΘΙΝΟΥΣΩΝ ΚΑΛΛΙΕΡΓΕΙΩΝ ΤΟΥ GF- 677 ΣΕ 3 C ΕΠΙ 3 ΕΒΔΟΜΑΔΕΣ ΑΥΞΗΣΕ ΤΗΝ ΟΡΓΑΝΟΓΕΝΕΤΙΚΗ ΙΚΑΝΟΤΗΤΑ (17,6 ΒΛΑΣΤΟΙ) ΕΝΩ ΣΕ 22 C ΟΙ ΚΑΛΛΙΕΡΓΕΙΕΣ ΔΕΝ ΑΝΑΒΛΑΣΤΗΣΑΝ. ΧΟΡΗΓΗΣΗ ΑΙΘΥΛΕΝΙΟΥ ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ 0,1 ΡΡΜ 'Η ΚΛΕΙΣΙΜΟ ΤΩΝ ΣΩΛΗΝΩΝ ΙΣΤΟΚΑΛΛΙΕΡΓΕΙΑΣ ΜΕ ΕΛΑΣΤΙΚΟ ΠΩΜΑ ΑΥΞΗΣΕ ΤΟΝ ΑΡΙΘΜΟ ΤΩΝ ΒΛΑΣΤΩΝ ΣΤΟ GF-677 ΚΑΘΩΣ ΚΑΙ ΤΟ ΠΟΣΟΣΤΟ ΡΙΖΟΒΟΛΙΑΣ. ΣΤΗΝ ΠΕΤΟΥΝΙΑ ΜΕ 10 ΡΡΜ ΑΙΘΥΛΕΝΙΟΥ Ο ΑΡΙΘΜΟΣ ΡΙΖΩΝ ΥΠΕΡΠΕΝΤΑΠΛΑΣΙΑΣΤΗΚΕ ΤΟ CO2 ΣΕ ΣΥΓΚΕΝΤΡΩΣΗ0,1-0,5% ΣΕ IN VITRO ΚΑΛΛΙΕΡΓΕΙΕΣ ΤΟΥ GF-677 ΑΥΞΗΣΕ ΚΑΤΑ 50% ΤΟ ΒΑΡΟΣ ΤΩΝ ΚΑΛΛΙΕΡΓΕΙΩΝ ΚΑΘΩΣ ΚΑΙ ΤΟΝ ΑΡΙΘΜΟ ΚΑΙ ΜΗΚΟΣ ΒΛΑΣΤΩΝ ΣΕ ΟΡΙΣΜΕΝΕΣ ΜΟΝΟ ΠΕΡΙΠΤΩΣΕΙΣ."],"dc:identifier":["10.12681/eadd/1168","http://hdl.handle.net/10442/hedi/1168"],"dc:language":["gre"],"dc:publisher":["Aristotle University Of Thessaloniki (AUTH)","Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)"],"dc:subject":["ΑΥΞΗΤΙΚΕΣ ΟΥΣΙΕΣ","ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ ΜΙΚΡΟΜΟΣΧΕΥΜΑΤΩΝ","ΕΠΙΔΡΑΣΗ CO2 ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΕΠΙΔΡΑΣΗ ΘΕΡΜΟΚΡΑΣΙΑΣ ΣΤΗΝ ΠΑΡΑΓΩΓΗ ΒΛΑΣΤΩΝ","Η ΓΗΡΑΝΣΗ ΚΑΛΛΙΕΡΓΕΙΩΝ IN VITRO ΤΟΥ GF-677","ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟΣ ΟΠΩΡΟΦΟΡΩΝ","ΡΟΛΟΣ ΑΙΘΥΛΕΝΙΟΥ ΣΤΟΝ ΜΙΚΡΟΠΟΛΛΑΠΛΑΣΙΑΣΜΟ","ΥΠΟΚΕΙΜΕΝΑ ΡΟΔΑΚΙΝΙΑΣ GF-677","GROWTH REGALATORS","MICROPROPAGATION OF FRUIT TREES","PEACH-ROOTSTOCKS GF-677","PROLIFERATION AND ROOTING OF MICROCUTTINGS","ROLE OF ETHYLENE IN MICROPROPAGATION","TEMPERATURE EFFECT ON SHOOT PROLIFERATION","THE SENESCENCE OF IN VITRO CULTURES OF GF-677","Γεωπονικές Επιστήμες και Κτηνιατρική","Γεωπονία, Δασολογία και Αλιεία","Agricultural and Veterinary Sciences","Agriculture, Forestry and Fisheries"],"dc:title":["ΠΑΡΑΓΟΝΤΕΣ ΠΟΥ ΕΠΗΡΕΑΖΟΥΝ ΤΗ ΒΛΑΣΤΟΓΕΝΕΣΗ ΚΑΙ ΡΙΖΟΓΕΝΕΣΗ IN VITRO ΤΟΥ ΥΠΟΚΕΙΜΕΝΟΥ ΡΟΔΑΚΙΝΙΑΣ GF-677 ΚΑΙ ΤΗΣ ΠΕΤΟΥΝΙΑΣ (PETUNIA HYBRIDA)","FACTORS AFFECTING PROLIFERATION AND ROOTING IN VITRO OF THE PEACH ROOTSTOCK GF-677 AND OF PETUNIA (PETUNIA HYBRIDA)"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:46Z"}