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Grafting Tomato as a Tool to Improve Salt Tolerance

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Title Grafting Tomato as a Tool to Improve Salt Tolerance
Not Available
 
Creator Hira Singh
Pradeep Kumar
Ashwani Kumar
Marios C. Kyriacou
Giuseppe Colla
Youssef Rouphael
 
Subject Tomato grafting
salinity tolerance
rootstock
physio-biochemical mechanisms
Solanum lycopresicum L
 
Description Not Available
Salinity in soil or water is a serious threat to global agriculture; the expected acreage a ected
by salinity is about 20% of the global irrigated lands. Improving salt tolerance of plants through
breeding is a complex undertaking due to the number of traits involved. Grafting, a surgical mean of
joining a scion and rootstock of two di erent genotypes with the desired traits, o ers an alternative to
breeding and biotechnological approaches to salt tolerance. Grafting can also be used to circumvent
other biotic and abiotic stresses. Increasing salinity tolerance in tomato (Solanum lycopresicum L.),
a highly nutritious and economical vegetable, will have greater impact on the vegetable industry,
especially in (semi) arid regions where salinity in soil and water are more prevalent. Besides, plants
also experience salt stress when water in hydroponic system is recycled for tomato production.
Grafting high yielding but salt-susceptible tomato cultivars onto salt-resistant/tolerant rootstocks is a
sustainable strategy to overcome saline stress. Selection of salt-tolerant rootstocks though screening
of available commercial and wild relatives of tomato under salt stress conditions is a pre-requisite
for grafting. The positive response of grafting exerted by tolerant rootstocks or scion-rootstock
interactions on yield and fruit characteristics of tomato under saline conditions is attributed to several
physiological and biochemical changes. In this review, the importance of tomato grafting, strategies to
select appropriate rootstocks, scion-rootstock interaction for growth, yield and quality characteristics,
as well as the tolerance mechanisms that (grafted) plants deploy to circumvent or minimize the e ects
of salt stress in root zones are discussed. The future challenges of grafting tomato are also highlighted.
Not Available
 
Date 2020-08-26T05:21:29Z
2020-08-26T05:21:29Z
2020-02-12
 
Type Research Paper
 
Identifier Singh, H., Kumar, P.*, Kumar, A., Kyriacou, M.C., Colla, G. and Rouphael, Y*. 2020. Grafting Tomato as a Tool to Improve Salt Tolerance. Agronomy 10, 263
2073-4395, CODEN: ABSGGL
http://krishi.icar.gov.in/jspui/handle/123456789/40292
 
Language English
 
Relation Not Available;
 
Publisher MDPI (Basel, Switzerland)