Early diagnosis of boron deficiency in chestnut

This study aims to identify an alternative plant tissue to be used in the early diagnosis of boron (B) deficiency in chestnut (Castanea sativa Mill.). A B-deficient orchard was selected, and 16 trees were submitted to two levels of B fertilization. When flowers were in bloom, the following tissues w...

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Bibliographic Details
Published in:Journal of plant nutrition 2012-01, Vol.35 (2), p.304-310
Main Authors: Portela, Ester Maria Abranches Costa, Louzada, José Luís Penetra
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Boron
Castanea sativa
chestnut
correlation
early diagnosis
Economic plant physiology
flowers
Flowers & plants
foliar analysis
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Generalities. Analysis and diagnosis methods
leaves
Metabolism
Metabolism. Physicochemical requirements
Nutrition. Photosynthesis. Respiration. Metabolism
Plant physiology and development
plant tissues
Soil-plant relationships. Soil fertility. Fertilization. Amendments
trees
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Summary:This study aims to identify an alternative plant tissue to be used in the early diagnosis of boron (B) deficiency in chestnut (Castanea sativa Mill.). A B-deficient orchard was selected, and 16 trees were submitted to two levels of B fertilization. When flowers were in bloom, the following tissues were sampled: leaves, androgynous catkins and flowers. There was a significant increase in B content in plant tissues due to B application. In July, the highest B content was observed in flowers in B0, but leaves had the greatest content in B1. Boron content in the tissues collected in July was positively correlated with B contents in leaves sampled in September. Foliar B concentrations, irrespective of the sampling period, were correlated with chestnut productivity, while the other tissues did not. These results suggest that the leaves, sampled in bloom, were the most efficient tissue for the early diagnosis of B deficiency.
ISSN:1532-4087
0190-4167
1532-4087
DOI:10.1080/01904167.2012.636132