Tree vigour influences disease susceptibility of 'Hass' avocado fruits
نویسندگان
چکیده
منابع مشابه
Magnesium 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 کاملAntioxidants 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 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 کاملAcute Toxicity and Genotoxic Activity of Avocado Seed Extract (Persea americana Mill., c.v. Hass)
The use of vegetal extracts requires toxicological and genotoxic evaluations to establish and verify safety before being added to human cosmetic, pharmaceutical medicine, or alimentary products. Persea americana seeds have been used in traditional medicine as treatment for several diseases. In this work, the ethanolic seed extract of Persea americana was evaluated with respect to its genotoxic ...
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ژورنال
عنوان ژورنال: Australasian Plant Pathology
سال: 2004
ISSN: 0815-3191
DOI: 10.1071/ap03079