Effect of night salinity level on water use, physiological responses, yield, and quality of tomato. (Articolo in rivista)

Type
Label
  • Effect of night salinity level on water use, physiological responses, yield, and quality of tomato. (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Alternative label
  • Santamaria P., Cantore V., Conversa G., Serio F., (2004)
    Effect of night salinity level on water use, physiological responses, yield, and quality of tomato.
    in Journal of horticultural science & biotechnology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Santamaria P., Cantore V., Conversa G., Serio F., (literal)
Pagina inizio
  • 59 (literal)
Pagina fine
  • 66 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Note
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1, Dipartimento di Scienze delle Produzioni Vegetali, University of Bari, 2, 4Istituto di Scienze delle Produzioni Alimentari (CNR), 3 UNIFG (literal)
Titolo
  • Effect of night salinity level on water use, physiological responses, yield, and quality of tomato. (literal)
Abstract
  • The aim of the research work was to evaluate the effects of two levels of electrical conductivity (EC) of the nutrient solution, i.e. high night and low day EC v continuously low EC, on water consumption, physiological responses, yield, and fruit quality of two tomato cultivars (Diana and Naomi). The use of a nutrient solution with high EC during the night (6.dS m±1) did not modify plant growth. The daily water consumption of tomato plants was not modi®ed by the nutrient solution EC, however water consumption during the night was on average 9±19% of the total daily uptake. Both at the second cluster setting stage and beginning of harvests, the high night and low day EC treatment decreased stomatal conductance (13%) and leaf net CO2 assimilation (8%). The values of `Diana' and `Naomi' of yield of tomato (4.5 and 3.0.kg plant±1, respectively, for `Diana' and `Naomi') or mass of fruits, fruit dry mass, titratable acidity, and ascorbic acid were not in¯uenced by the nutrient solution EC. However, in the cherry tomato type (`Naomi') the number of fruits within optimal size values (<40.mm), which is of crucial importance for their marketability, was higher with high EC in the night hours. The total soluble solids were higher with low/high (day/ night) EC than continuously low EC (7.0 v 6.6 8Brix for `Naomi' and 4.6 v 4.3 for `Diana'), so nutrient solutions with high night and low day EC appear to improve the quality of fruits of soilless grown tomato plants without affecting fruit yield. (literal)
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