Results 131 to 140 of about 899 (165)

Genetic Effects in the Control of Floral Abscission in Nicotiana

, 1961
Lizard\u27s Tail and Little Turkish varieties vary considerably as to time for floral abscission, anatomy of the abscission zone, and the controlling chemical agents.
Yager, Robert E.
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AS1 Transcription Factor in Arabidopsis Floral Organ Abscission Zone Shifts Lignin Deposition in an inverted V-Shape

Poster Presenter: Dikshya Niraula Research Team: Dikshya Niraulaand and Sarah Liljegren Abstract: Plants have a natural ability to shed organs like leaves, flowers and fruit at specific points during their life cycle.
Niraula, Dikshya
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Immunolocalization of Auxin in the Rose Petal Abscission Zone

Methods in Molecular Biology
Auxin plays a critical role in the inhibition of organ abscission. The changing of auxin gradient across the abscission zone (AZ) is the primary determinant of the abscission initiation and activation. To better understand the role of auxin, the distribution and content of auxin at different developmental stages of AZ need to be determined.
Chuyan Jiang, Yue Liang, Jiang Chuyan
exaly   +3 more sources

Starving longan fruit sends weakened abscission-suppressing signal rather than enhanced abscission-triggering signal to the abscission zone

Scientia Horticulturae, 2022
Abstract Fruit abscission is largely governed by carbohydrate supply, and carbohydrate shortage intensifies fruit abscission. Understanding cues from the starving fruit that activate the abscission zone (AZ) is an intriguing research subject and important for control fruit abscission.
Hui-Cong Wang, Xu-Ming Huang
exaly   +2 more sources

Formation of the Secondary Abscission Zone Induced by the Interaction of Methyl Jasmonate and Auxin in Bryophyllum calycinum: Relevance to Auxin Status and Histology

International Journal of Molecular Sciences, 2020
The interaction of methyl jasmonate (JA-Me) and indole-3-acetic acid (IAA) to induce the formation of the secondary abscission zone in the middle of internode segments of Bryophyllum calycinum was investigated in relation to auxin status and histology ...
Agnieszka Marasek-Ciolakowska, Marian Saniewski, Michał Dziurka   +2 more
exaly   +2 more sources

Fine structure of abscission zones

Planta, 1967
Electron micrographs of the zone of separation in flower pedicels of Lycopersicon esculentum and Nicotiana tabacum are presented with particular reference to the indentation of epidermal tissue in the abscission zone, subcellular organelles, and the cell wall. The indentation or groove which delineates the abscission zone extends some distance into the
T E, Jensen, J G, Valdovinos
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Fine structure of abscission zones

Planta, 1972
The effect of ethylene on abscission of flower pedicels of tobacco plants has been investigated. For the first 2 h of exposure to C2H4, the pedicels bend rather than break in response to applied force, but after 2.5 h exposure they break at the abscission zone under an applied force of 40 g.
J G, Valdovinos, T E, Jensen, L M, Sicko
openaire   +2 more sources

Naphthaleneacetic Acid: Localization in the Abscission Zone of the Bean

Science, 1966
When14C-naphthaleneacetic acid, labeled in the ring, was applied to the petiolar stub of debladed bean (Phaseolus vulgarisL.) plants, it accumulated in or between cell walls of tissue immediately adjacent and distal to the abscission layer. There was no localization in the abscission layer per se.
H P, Rasmussen, M J, Bukovac
openaire   +2 more sources

Mature fruit abscission is associated with up-regulation of polyamine metabolism in the olive abscission zone

Journal of Plant Physiology, 2010
This study investigates whether, and how, polyamines (PAs) are involved in mature fruit abscission of olive (Olea europaea L.). Physiological abscission was studied in relation to the activation of the abscission zone (AZ), located between fruit and peduncle, from two olive cultivars where the breakstrength profiles and the scanning electron ...
Maria C, Gomez-Jimenez, Miguel A, Paredes, Mercedes, Gallardo, Isabel M, Sanchez-Calle   +3 more
openaire   +2 more sources

Development of the abscission zone

Stewart Postharvest Review, 2009
Purpose of review: This review focuses on the genetic mechanisms that underlie differentiation of tissues specialised for cell separation in three well-studied models: the abscission zone (AZ) of the flower and fruit pedicel, floral organ AZ, and the related dehiscence zone of the fruit.
openaire   +1 more source