Abstract
【Objective】The goal of this research was to explore the mitigation solutions for magnesium(Mg) nutrition deficiency in Satsuma Mandarin orchard.【Method】The experiment was carried out in a citrus orchard with Mg deficient soil and low p H. Two treatments were designed to study the effect of Mg application in Satsuma Mandarin orchard. The concentration of Mg and the content of SPAD,starch and soluble sugar in citrus leaves and fruits were measured.【Result】The results showed that Mg content in leaves decreased with the ageing of leaves. Compared with control(CK),the application of Mg fertilizer significantly increased the content of Mg and SPAD in leaves and the content of soluble sugar in fruits.However,a lower content of starch was observed after the application of Mg. The content of Mg in leaves was significantly positive correlated with the content of SPAD and the content of Mg in fruits.【Conclusion】Based on the results,it could be concluded that the application of Mg fertilizer in soil combined with foliar spray can alleviate the leaf etiolation of Satsuma mandarin in the late fruit expanding period due to the increase of Mg content in leaves,enhancing the transport of Mg to fruit and the increase of Mg content and soluble sugar content in fruit.
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Claims 8
Claim · model-written summary
Leaf Mg content declined with leaf age.
- Taxon
- Satsuma Mandarin
Citrus unshiut0 - Organ / stage
- leavese0
- Outcome
- Mg content in leavese0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mg content in leaves decreased with the ageing of leaves.”
t0“Satsuma Mandarin”
Claim · model-written summary
Mg fertilizer significantly increased leaf Mg content.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Organ / stage
- leavese0
- Treatment
- Mg fertilizere0
- Outcome
- content of Mge0
- Direction
- increasede0
- Comparator
- control(CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with control(CK),the application of Mg fertilizer significantly increased the content of Mg and SPAD in leaves”
t0“Satsuma Mandarin”
Claim · model-written summary
Mg fertilizer significantly increased leaf SPAD.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Organ / stage
- leavese0
- Treatment
- Mg fertilizere0
- Outcome
- SPADe0
- Direction
- increasede0
- Comparator
- control(CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with control(CK),the application of Mg fertilizer significantly increased the content of Mg and SPAD in leaves”
t0“Satsuma Mandarin”
Claim · model-written summary
Mg fertilizer significantly increased soluble sugar content in fruit.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Organ / stage
- fruitse0
- Treatment
- Mg fertilizere0
- Outcome
- content of soluble sugare0
- Direction
- increasede0
- Comparator
- control(CK)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with control(CK),the application of Mg fertilizer significantly increased the content of Mg and SPAD in leaves and the content of soluble sugar in fruits.”
t0“Satsuma Mandarin”
Claim · model-written summary
Mg application lowered starch content.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Treatment
- application of Mge0
- Outcome
- content of starche0
- Direction
- lowere0
- Comparator
- control(CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a lower content of starch was observed after the application of Mg.”
e1“control(CK)”
t0“Satsuma Mandarin”
Claim · model-written summary
Leaf Mg content was significantly positively correlated with SPAD content.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Compound
- Mge0
- Outcome
- content of SPADe0
- Direction
- positive correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of Mg in leaves was significantly positive correlated with the content of SPAD and the content of Mg in fruits.”
t0“Satsuma Mandarin”
Claim · model-written summary
Leaf Mg content was significantly positively correlated with fruit Mg content.
- Taxon
- Satsuma MandarinCitrus unshiut0
- Organ / stage
- leavese0
- Outcome
- content of Mg in fruitse0
- Direction
- positive correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of Mg in leaves was significantly positive correlated with the content of SPAD and the content of Mg in fruits.”
t0“Satsuma Mandarin”
Claim · model-written summary
The authors concluded that soil Mg fertilizer combined with foliar spray can alleviate late fruit expansion leaf etiolation.
- Taxon
- Satsuma mandarinCitrus unshiue0
- Organ / stage
- late fruit expanding periode0
- Treatment
- Mg fertilizer in soil combined with foliar spraye0
- Outcome
- alleviate the leaf etiolatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of Mg fertilizer in soil combined with foliar spray can alleviate the leaf etiolation of Satsuma mandarin in the late fruit expanding period”
The same questions in other papers
magnesium atom · physiology: pigments · Citrus unshiu (satsuma mandarin)Results agree
1 paper in the same direction as this paper
- positive
fertilization · molecular: metabolites · Citrus unshiu (satsuma mandarin)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
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.