Polyphasic identification of preharvest pathologies and disorders in avocado cv. Hass
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چکیده
منابع مشابه
Antioxidants in ‘Hass’ avocado
The potential involvement of C7 sugars as antioxidants in various avocado tissues was tested. Total antioxidant activity was found to be similar in leaf, exocarp and seed tissue; however, the concentration of total antioxidants in mesocarp tissue was lower than in other tissues at all three sampling dates. The various tissues examined had different predominant antioxidant systems; while leaf ti...
متن کاملMagnesium Deficiency of the Hass Avocado Tree
The avocado grower is usually familiar with deficiency symptoms such as those caused by lack of sufficient iron (3), zinc (11), and nitrogen (4). Also excesses of certain elements produce characteristic symptoms which may be readily identified, e. g. chloride and sodium (2, 9). However, little information is available concerning the remaining elements absorbed by the tree, their symptoms along ...
متن کاملHass Avocado Composition and Potential Health Effects
Hass avocados, the most common commercial avocado cultivars in the world, contain a variety of essential nutrients and important phytochemicals. Although the official avocado serving is one-fifth of a fruit (30 g), according to NHANES analysis the average consumption is one-half an avocado (68 g), which provides a nutrient and phytochemical dense food consisting of the following: dietary fiber ...
متن کاملThe Iron-chlorophyll Relateonship in Young Hass Avocado Leaves
Young summer leaves of uniform size on a single tree were tagged and then picked at intervals as they matured. Prior to the time of maximum leaf expansion, the relation between Fe and chlorophyll concentrations changed rapidly in the direction of increased chlorophyll per unit of Fe. Samples from three orchards taken in September revealed a correlation coefficient of .70 between Fe and chloroph...
متن کاملRapid molecular identification of armored scale insects (Hemiptera: Diaspididae) on Mexican 'Hass' avocado.
'Hass' avocado, Persea americana Mill., fruit imported into California from Mexico are infested with high levels of armored scale insects (Hemiptera: Diaspididae), constituting several species. The paucity and delicate nature of morphological characters traditionally used to diagnose armored scales often require careful preparation of slide-mounted specimens and expert knowledge of the group, f...
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ژورنال
عنوان ژورنال: Agronomía Colombiana
سال: 2019
ISSN: 2357-3732,0120-9965
DOI: 10.15446/agron.colomb.v37n3.78528