Hormonal and carbohydrate control of fruit set in avocado 'Lamb Hass'. A question of the type of inflorescence?. (Record no. 52714)

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control field 20250625162414.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18566
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245 10 - TITLE STATEMENT
Title Hormonal and carbohydrate control of fruit set in avocado 'Lamb Hass'. A question of the type of inflorescence?.
490 0# - SERIES STATEMENT
Volume/sequential designation Scientia Horticulturae, 282, p.110046., 2021
520 3# - SUMMARY, ETC.
Summary, etc. The avocado tree (Persea americana Mill.)has two types of shoots, indeterminate, which maintain vegetative development from an apical bud, and determinate, which do not have vegetative growth. Indeterminate shoots set fewer fruits than determinate ones, and significantly hasten physiological fruitlet abscission. The competition between vegetative and flower development is accepted as the most reasonable hypothesis to explain the differences. However, our results show that from anthesis until fruit set flowers of indeterminate inflorescences, both those remaining on the tree and those abscised, had a higher sucrose and C6 carbohydrate content than flowers of determinate ones and no differences between them were found for C7 carbohydrates, which disagrees with this hypothesis, and indicates that factors other than carbohydrate content are responsible for fruit set in avocado. At anthesis and fruit set stage, gibberellin and cytokinin concentrations (mainly GA1 and tZ, respectively)were significantly higher in flowers of determinate inflorescences than in those of indeterminate ones, indicating their higher ability to set. We conclude that fruit set is hormonally regulated in avocado, irrespective of vegetative growth. The lower fruit set of the indeterminate inflorescences does not depend on the competition for photosynthates due to the apical vegetative growth, since C6 and C7 carbohydrate availability is enough to ensure fruit set, but on their lower content of GA1 and tZ.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element AUXIN
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CARBOHYDRATES
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CYTOKININS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FLOWERING SHOOTS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FRUITING
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GIBBERELLINS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PERSEA AMERICANA
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name D'Asaro, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Reig, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Martínez-Fuentes, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Mesejo, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Farina, V.,
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Agustí, M.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1CdmIzLMofjf-hwhQmf2BIhkL6C9DaEf8/view?usp=drivesdk">https://drive.google.com/file/d/1CdmIzLMofjf-hwhQmf2BIhkL6C9DaEf8/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18566 25.06.2025 25.06.2025 Documentos solicitados