Abstract
The effect of scion on Cl and Na accumulation and the transport properties of rootstocks was investigated using grafted plants. The combinations of Navel orange (C. sinensis (L.) Osb.) and Clementine (C. clementine Hort. ex Tan) scions on Cleopatra mandarin (C. reticulata Blanco) and Troyer citrange (C. sinensis X P. trifoliata) rootstocks, were used in all experiments. Plants were grown under glasshouse conditions for 14 weeks supplied with nutrient solution containing 0-60 mM NaCl. Relative growth and defoliation were studied. The reduction in relative growth caused by salt, treatments was more scion- dependent, whereas defoliation was more rootstock-dependent. Changes in leaf and root ionic contents were measured. Scions on Cleopatra mandarin accumulated less Cl in their leaves and roots than did scions on Troyer citrange. The distribution of Cl in the whole plant showed that Clementine had a reduced ability to transport Cl from roots to leaves. However, sodium content was lower in scions on Troyer citrange than Cleopatra mandarin. The distribution of Na in the whole plant showed that Troyer citrange restricted the transport of Na to the scion. There was little difference in P content in all combinations. Salinity decreased sharply the N content of leaves and roots in plants on Troyer citrange, but there was only a slight effect in plants on Cleopatra mandarin. The pattern of N accumulation was inversely correlated with the pattern of Cl accumulation. Salinity decreased K, Ca and Mg contents in leaves and roots of all combinations.
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Claims 11
Claim · model-written summary
Salt-induced reduction in relative growth was more scion dependent.
CitrusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduction in relative growth caused by salt, treatments was more scion- dependent”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Defoliation under salt treatment was more rootstock dependent.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas defoliation was more rootstock-dependent”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Scions on Cleopatra mandarin accumulated less chloride in leaves and roots than scions on Troyer citrange.
- Material
- Cleopatra mandarine0
- Outcome
- Cl in their leaves and rootse0
- Direction
- lesse0
- Comparator
- Troyer citrangee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Scions on Cleopatra mandarin accumulated less Cl in their leaves and roots than did scions on Troyer citrange.”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Clementine transported less chloride from roots to leaves.
- Taxon
- Clementine
Citrus ×clementinae0 - Outcome
- transport Cl from roots to leavese0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clementine had a reduced ability to transport Cl from roots to leaves”
Claim · model-written summary
Sodium content was lower in scions on Troyer citrange than on Cleopatra mandarin.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sodium content was lower in scions on Troyer citrange than Cleopatra mandarin”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Troyer citrange restricted sodium transport to the scion.
Verbatim
e0“Troyer citrange restricted the transport of Na to the scion”
Claim · model-written summary
Phosphorus content differed little among citrus combinations.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was little difference in P content in all combinations.”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Salinity sharply decreased nitrogen content of leaves and roots on Troyer citrange.
- Material
- Troyer citrangee0
- Treatment
- Salinitye0
- Outcome
- N content of leaves and rootse0
- Direction
- decreased sharplye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity decreased sharply the N content of leaves and roots in plants on Troyer citrange”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Salinity had only a slight effect on nitrogen content in plants on Cleopatra mandarin.
- Material
- Cleopatra mandarine0
- Treatment
- Salinitye1
- Outcome
- N content of leaves and rootse1
- Direction
- slight effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was only a slight effect in plants on Cleopatra mandarin”
e1“Salinity decreased sharply the N content of leaves and roots in plants on Troyer citrange”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Nitrogen accumulation was inversely correlated with chloride accumulation.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The pattern of N accumulation was inversely correlated with the pattern of Cl accumulation.”
t0“some citrus scion-rootstock combinations”
Claim · model-written summary
Salinity decreased potassium, calcium and magnesium contents in leaves and roots of all combinations.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity decreased K, Ca and Mg contents in leaves and roots of all combinations.”
t0“some citrus scion-rootstock combinations”
The same questions in other papers
salinity · nutrient: content · CitrusPositive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- negative
- no effect
- negative
5 papers more in this group
See all 9 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.