Responses of olive tree yield determinants and components to shading during potentially critical phenological phases
- Cherbiy Hoffmann, Silvana Ursula
- Searles, Peter Stoughton
- Hall, Antonio Juan
- Rousseaux, Maria Cecilia
DOIAbstract
Shading for short periods during potentially critical phenological phases can improve our understanding of the processes underlying the reductions in crop performance when solar radiation is limiting in high density orchards. Our objective was to evaluate the effects of three separate 30 day-long shade periods imposed during fruit set (FS), endocarp sclerification (ES), and early oil accumulation (OA) on some oil yield determinants and components in olive. Four shading levels (3, 20, 40, and 70% of incident photosynthetically active radiation; PAR) were applied in each period using shade cloths that surrounded one-half of large individual trees. Individual fruit dry weight, oil concentration (%) on a dry weight basis, and non-fruiting branc...
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