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Grafting Affects Growth, Yield, Nutrient Uptake, and Partitioning Under Cadmium Stress in Tomato

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Title Grafting Affects Growth, Yield, Nutrient Uptake, and Partitioning Under Cadmium Stress in Tomato
Not Available
 
Creator P. Kumar, M. Edelstein, M. Cardarelli, E. Ferri and G. Colla
 
Subject yield, cadmium toxicity, rootstocks, Solanum lycopersicum
 
Description Not Available
A greenhouse experiment was conducted to determine the influence of long-term
cadmium (Cd) exposure (0, 25, or 50 mM of Cd) on crop productivity, fruit quality, leaf
chlorophyll content, fluorescence, and mineral composition in plants of tomato (Solanum
lycopersicum L. cv. Ikram), either nongrafted, self-grafted, or grafted onto rootstocks of
tomato (Maxifort or Unifort) and eggplant (Black Beauty). Both moderate (25mM) and high
(50 mM) concentration of Cd in root environment considerably decreased the fruit yield and
fruit number in response to Cd levels, whereasmean fruit weight decreased but was similar
to both Cd supply levels. The fruit yield, shoot and root biomass, and leaf area (LA) were
higher in plants grafted onto tomato rootstocks and especially onto Maxifort in comparison
with nongrafted or self-grafted plants and especially grafted onto Black Beauty. The higher
plant performance of tomato rootstock–grafted plants were related to higher chlorophyll
fluorescence and photosynthetic pigments concentration in leaves associated with better
nutrient translocation and availability (higher Ca, Mg, Fe, Mn, and Cu) in leaves. The
content of Cd was also lower in leaves and fruits of Maxifort-grafted plants. Concerning
fruit quality, especially peel color, toxicity symptoms, and Cd concentration, Black Beauty
followed by Maxifort-grafted plants were better than the other grafting combinations.
However, plants grafted onto Black Beauty rootstock resulted in lowest fruit yield and plant
growth attributes due to lower nutrient uptake and translocation indicating some incompatibility
reaction between Black Beauty rootstock and Ikram scion.
Not Available
 
Date 2018-11-14T06:47:04Z
2018-11-14T06:47:04Z
2015-11-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/Publication/handle/123456789/11109
 
Language English
 
Relation Not Available;
 
Publisher The American Society of Horticultural Sciences