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  • 1 Tamil Nadu Agricultural University Centre for Plant Breeding and Genetics Coimbatore 641003 India
  • | 2 Tamil Nadu Agricultural University Department of Plant Pathology, Centre for Plant Protection Studies Coimbatore 641003 India
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The oil quality and yield of groundnut ( Arachis hypogaea L.) is mainly lessened by Puccinia arachidis Speg. For screening large number of genotypes to rust resistance under in vitro conditions, the present study was motivated to test and verify the reliability of certain pathogen related enzymes, alterations in protein expression level and isoenzymes, activated ahead of host pathogen interaction. Biparental segregants acquired through NCD 1 mating fashion from crosses, viz. TMV1×ICG1697 and VRI2×ICG1697 were artificially inoculated with rust pathogen. After rust infection in groundnut, the alterations in the activity of peroxidase (PO), polyphenol oxidase (PPO), ascorbic acid oxidase (AAO) and chitinase were studied at 80 and 90 days after sowing (DAS) both in susceptible and resistant segregants along with parents. Both susceptible and resistant segregants manifest increased activity of all of these three enzymes, the magnitude was higher in resistant segregants. The activity of ascorbic acid oxidase and chitinase were high at 90 DAS, while polyphenol oxidase and peroxidase exhibited maximum activity at 80 DAS. Four additional isoforms of PO and PPO and prominent expression of a 56 kDa protein were observed in resistant genotypes. The potential amount and activity of these enzymes were genetically determined and such changes in the quantity, isoenzyme and protein can be relied for screening rust tolerant genotypes in groundnut.

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  • Ágnes TURÓCI Centre for Agricultural Research, Hungary

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  • K SALÁNKI Centre for Agricultural Research, Hungary

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2020  
Scimago
H-index
20
Scimago
Journal Rank
0,185
Scimago
Quartile Score
Insect Science Q4
Plant Science Q4
Scopus
Cite Score
75/98=0,8
Scopus
Cite Score Rank
Insect Science 129/153 (Q4)
Plant Science 353/445 (Q4)
Scopus
SNIP
0,438
Scopus
Cites
313
Scopus
Documents
20
Days from submission to acceptance 64
Days from acceptance to publication 209
Acceptance
Rate
48%

 

2019  
Scimago
H-index
19
Scimago
Journal Rank
0,177
Scimago
Quartile Score
Insect Science Q4
Plant Science Q4
Scopus
Cite Score
66/103=0,6
Scopus
Cite Score Rank
Insect Science 125/142 (Q4)
Plant Science 344/431 (Q4)
Scopus
SNIP
0,240
Scopus
Cites
212
Scopus
Documents
24
Acceptance
Rate
35%

 

Acta Phytopathologica et Entomologica Hungarica
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Acta Phytopathologica et Entomologica Hungarica
Language English
Size B5
Year of
Foundation
1966
Volumes
per Year
1
Issues
per Year
2
Founder Magyar Tudományos Akadémia  
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-1249 (Print)
ISSN 1588-2691 (Online)

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