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Reaction of different Oryza species against rice root-knot nematode, Meloidogyne graminicola

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Title Reaction of different Oryza species against rice root-knot nematode, Meloidogyne graminicola
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Creator Berliner, J
Pokhare, S.S
Sankari Meena, K
Manimaran, B
Munda, S
Adak, T
Bose, L.K
Patra, B.C
 
Subject Nematode, rice, management, HPR
 
Description Not Available
Rice (Oryza sativa) is an important cereal crop and staple food for more than half of the world population. The
sedentary endoparasitic nematode Meloidogyne graminicola is one of the major biotic stress factors that limit
rice production globally irrespective of the agro-ecosystem. To tackle this, the host plant resistance is given
prime importance due to global awareness towards ecologically stable and environmentally safe management
options. However, the availability of resistant source within O. sativa against M. graminicola is limited and
hence the search was extended to its wild relatives globally. In line with that, about 24 germplasms of different
Oryza species collected from the gene bank of NRRI, Cuttack were evaluated against M. graminicola under
artificial inoculation condition. Among them O. eichingeri and O. grandiglumis belonging to O. officinalis
species complex and O. brachyantha were found to be resistant to M. graminicola with the lowest gall index
(2.0-2.3 galls /root system). Oyza rufipogon, O. officinalis and O. alta were found tolerant to the nematode while
all other species exhibited susceptible to highly susceptible reaction to the nematode. A more comprehensive
study is necessary to shed light on the consistency of resistance within each Oryza species and also suggest the
utilization of molecular tools to decipher the resistance mechanism govern in the reported accessions against
rice root-knot nematode.
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Date 2023-02-20T03:14:37Z
2023-02-20T03:14:37Z
2022-11-01
 
Type Article
 
Identifier Berliner, J., Pokhare, S.S., Sankari Meena, K., Manimaran, B., Munda, S., Adak, T., Bose, L.K. and Patra, B.C. 2022. Reaction of different Oryza species against rice root-knot nematode, Meloidogyne graminicola. Oryza, 59(3): 387-391.
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http://krishi.icar.gov.in/jspui/handle/123456789/76274
 
Language English
 
Relation Not Available;