Abstract
A study was conducted to determine the mineral nutrients concentration in the index leaf of pummelo accessions. Index leaf samples from 25 pummelo accessions grafted on pummelo and 12 pummelo clones grafted on Rangpur lime rootstocks were collected for assessing leaf mineral nutrient status. The results revealed that pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions. Out of 25 pummelo accessions, twenty-four accessions were deficient in N and S, fourteen were deficient in K, four were deficient in Mn and five were deficient in Zn and all accessions were sufficient in P, Ca, Mg, Fe and Cu. The observed trends in the leaf nutrient concentration of pummelo accessions clearly indicated the significance of the genotypic variation when chemical analysis is used for diagnosing the leaf nutrient status of pummelo trees. Similarly, leaf N, P, K, Ca, Mn, Cu and Zn varied significantly among twelve pummelo clones grafted on Rangpur lime. Among the clones grafted on Rangpur lime, 18-3 and 18-5 found to have higher and lower leaf nutrient content in most of the mineral nutrients, respectively. The leaf nutrient content of pummelo varies among genotypes, but there is no genotype that stands out in all macro and micronutrients evaluated. The N, P, K, Ca, S, Fe, Mn and Cu leaf contents in pummelo were always higher in plants grafted on Rangpur lime. However, the foliar Mg and Zn contents were continually higher in plants grafted on ‘pummelo’ compared to Rangpur lime which eventually reduces leaf yellowing/chlorosis in pummelo. Pummelo rootstocks were found to respond well in terms of Mg and Zn nutrient uptake and tolerance to Phytophthora as compared to Rangpur lime. Therefore, it is concluded that pummelo can be an ideal rootstock for commercial pummelo cultivation
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Claims 20
Claim · model-written summary
Leaf N concentration varied significantly among pummelo accessions grafted on pummelo, spanning 1.43-2.49 %.
- Taxon
- pummelo
Citrus maximae0 - Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Ne0
- Direction
- variatione0
- Value
- 1.43-2.49 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf P concentration varied significantly among pummelo accessions grafted on pummelo, spanning 0.17-0.22 %.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Pe0
- Direction
- variatione0
- Value
- 0.17-0.22 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf K concentration varied significantly among pummelo accessions grafted on pummelo, spanning 0.75-4.45 %.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Ke0
- Direction
- variatione0
- Value
- 0.75-4.45 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Ca concentration varied significantly among pummelo accessions grafted on pummelo, spanning 2.37-6.29 %.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Cae0
- Direction
- variatione0
- Value
- 2.37-6.29 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Mg concentration varied significantly among pummelo accessions grafted on pummelo, spanning 0.60-1.04 %.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Mge0
- Direction
- variatione0
- Value
- 0.60-1.04 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf S concentration varied significantly among pummelo accessions grafted on pummelo, spanning 0.06-0.22 %.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Se0
- Direction
- variatione0
- Value
- 0.06-0.22 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Fe concentration varied significantly among pummelo accessions grafted on pummelo, spanning 124-245.45 mg kg-1.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Fee0
- Direction
- variatione0
- Value
- 124-245.45 mg kg-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Mn concentration varied significantly among pummelo accessions grafted on pummelo, spanning 9.85-50.05 mg kg-1.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Mne0
- Direction
- variatione0
- Value
- 9.85-50.05 mg kg-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Zn concentration varied significantly among pummelo accessions grafted on pummelo, spanning 17-69 mg kg-1.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Zne0
- Direction
- variatione0
- Value
- 17-69 mg kg-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Leaf Cu concentration varied significantly among pummelo accessions grafted on pummelo, spanning 8.8-25.15 mg kg-1.
- Taxon
- pummeloCitrus maximae0
- Material
- accessionse0
- Treatment
- grafted on pummeloe0
- Outcome
- Cue0
- Direction
- variatione0
- Value
- 8.8-25.15 mg kg-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pummelo plants grafted on pummelo, the concentration of leaf N (1.43-2.49 %), P (0.17-0.22 %), K (0.75-4.45 %), Ca (2.37-6.29 %), Mg (0.60-1.04 %), S (0.06-0.22 %), Fe (124-245.45 mg kg-1), Mn (9.85-50.05 mg kg-1), Zn (17-69 mg kg-1) and Cu (8.8-25.15 mg kg-1) showed significant variation with different accessions”
Claim · model-written summary
Among 25 accessions, 24 were deficient in N and S.
- Taxon
- pummeloCitrus maximae0
- Outcome
- deficient in N and Se0
- Value
- twenty-four accessionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Out of 25 pummelo accessions, twenty-four accessions were deficient in N and S”
Claim · model-written summary
Fourteen accessions were deficient in K.
- Taxon
- pummeloCitrus maximat0
- Outcome
- deficient in Ke0
- Value
- fourteene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fourteen were deficient in K”
t0“pummelo”
Claim · model-written summary
Four accessions were deficient in Mn.
- Taxon
- pummeloCitrus maximat0
- Outcome
- deficient in Mne0
- Value
- foure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four were deficient in Mn”
t0“pummelo”
Claim · model-written summary
Five accessions were deficient in Zn.
- Taxon
- pummeloCitrus maximat0
- Outcome
- deficient in Zne0
- Value
- fivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“five were deficient in Zn”
t0“pummelo”
Claim · model-written summary
All accessions were sufficient in P, Ca, Mg, Fe and Cu.
- Taxon
- pummeloCitrus maximat0
- Outcome
- sufficient in P, Ca, Mg, Fe and Cue0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all accessions were sufficient in P, Ca, Mg, Fe and Cu”
t0“pummelo”
Claim · model-written summary
Leaf N, P, K, Ca, Mn, Cu and Zn varied significantly among clones grafted on Rangpur lime.
- Taxon
- pummeloCitrus maximae0
- Material
- pummelo clonese0
- Treatment
- grafted on Rangpur limee0
- Outcome
- leaf N, P, K, Ca, Mn, Cu and Zne0
- Direction
- varied significantlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf N, P, K, Ca, Mn, Cu and Zn varied significantly among twelve pummelo clones grafted on Rangpur lime”
Claim · model-written summary
Clone 18-3 had higher nutrient content and clone 18-5 lower content for most nutrients.
- Taxon
- pummeloCitrus maximat0
- Material
- 18-3 and 18-5e0
- Outcome
- leaf nutrient contente0
- Direction
- higher and lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“18-3 and 18-5 found to have higher and lower leaf nutrient content in most of the mineral nutrients, respectively”
t0“pummelo”
Claim · model-written summary
Pummelo grafted on Rangpur lime had higher leaf N, P, K, Ca, S, Fe, Mn and Cu.
- Taxon
- pummeloCitrus maximae0
- Treatment
- grafted on Rangpur limee0
- Outcome
- N, P, K, Ca, S, Fe, Mn and Cu leaf contentse0
- Direction
- highere0
- Comparator
- pummelot0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The N, P, K, Ca, S, Fe, Mn and Cu leaf contents in pummelo were always higher in plants grafted on Rangpur lime”
t0“pummelo”
Claim · model-written summary
Pummelo rootstocks had higher foliar Mg and Zn than Rangpur lime, reducing chlorosis.
- Taxon
- pummeloCitrus maximae0
- Treatment
- grafted on ‘pummelo’e0
- Outcome
- foliar Mg and Zn contentse0
- Direction
- highere0
- Comparator
- Rangpur limee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the foliar Mg and Zn contents were continually higher in plants grafted on ‘pummelo’ compared to Rangpur lime which eventually reduces leaf yellowing/chlorosis in pummelo”
Claim · model-written summary
Pummelo is recommended as a commercial pummelo rootstock.
- Taxon
- pummeloCitrus maximae0
- Outcome
- ideal rootstock for commercial pummelo cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it is concluded that pummelo can be an ideal rootstock for commercial pummelo cultivation”