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Chapter and Conference Paper
Ethylene and volatile accumulation in citrus fruit
Physiological and molecular evidence supported the autocatalytic ethylene production in young “Star Ruby” grapefruit and “Murcott” mandarins, and the autoinhibitory ethylene production in mature fruit. Ethylen...
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Article
Probing the role of endogenous ethylene in the degreening of citrus fruit with ethylene antagonists
The ethylene antagonists, 2,5-norbornadiene (NBD) and silver nitrate, were used to probe the involvement of endogenous ethylene in the natural degreening of citrus fruit. Mature-green, detached ‘Shamouti’ oran...
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Chapter
Immunodetection of Ethylene-Induced Chlorophyllase from Citrus Fruit Peel
Chlorophyllase (chlorophyll-chlorophyllido-hydrolase, EC 3.1.1.14) (Chlase) catalyzes the conversion of chlorophyll to chlorophyllide by removing the phytol group. In vivo and in vitro studies indicate that Chlas...
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Chapter
Correction of lime-induced chlorosis in container-grown citrus trees by peat and iron sulfate application to small soil volumes
Correction of lime-induced chlorosis (LIC) was examined in potted calamondin (Citrus madurensis Loureiro) trees after symptoms of LIC had developed. A peat-plug-FeSO4 treatment was compared with peat alone, FeSO4
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Article
Persistence of 14C-gibberellin A3 on the surface of Citrus fruit peel and on inert glass surfaces
The persistence of gibberellin A3 on plant surfaces was examined using fruit of ‘Marsh’ seedless grapefruit (Citrus paradisi Macf.) and an inert glass model system. 14C-gibberellin A3 was applied to surfaces in a...
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Article
Evidence for the presence of a native, non-auxinic rooting promoter in avocado (Persea americana Mill.)
The presence of a rooting promoter in paratially purified extracts of avocado (Persea amricana Mill.) organs has been demonstrated using the mung bean rooting bioassay. Extraction with 80% methanol was followed b...
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Article
Chlorophyllase activity in chlorophyll-free citrus chromoplasts
Chromoplast fractions from mature, chlorophyll-less ‘Valencia’ orange (Citrus sinensis L. Osbeck) flavedo (= the outer coloured layer of citrus peel) showed considerable chlorophyllase activity. Acetone powders p...
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Chapter and Conference Paper
Hormonal Control of Flowering in Citrus and Some Other Woody Perennials
Citrus trees, like other polycarpic plants, maintain a balance between vegetative and reproductive growth by transforming each year only a certain percentage of their meristems into flowers, while the rest con...
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Chapter and Conference Paper
Increase in ABA-like Growth Inhibitors and Decrease in Gibberellin-like Substances during Ripening and Senescence of Citrus Fruits
Citrus fruits undergoing colour changes during ripening have been used recently for the study of senescence (Eilati et al., 1969; Goldschmidt & Eilati, 1970; Goldschmidt et al., 1970). Senescence in this system i...
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Article
Hormonal control of colour changes in orange peel
Des quantités très faibles d'acide gibbérellique (6×10−4 μg/cm2) produisent pendant plusieurs semaines une inhibition de la coloration naturelle de la peau d'oranges vertes détachées. Des résultats semblables ont...
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Article
Citrus Petal Bioassay based on the Indolyl-3-acetic Acid Effect on Flower Opening
IN our work on auxins of citrus plants we have found that citrus petals are suitable material for “organ” bioassay as a complement to conventional hormone bioassays1.
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Article
The IAA-oxidase system of citrus roots
The activity of indoleacetic acid oxidase in citrus plants (roots of mature trees and roots and stems of seedlings) was demonstrated. The interrelationships between 2,4-dichlorophenol, Mn++ and the enzymatic acti...