Abstract
Arbuscular mycorrhizal fungi (AMF) and Azotobacter chroococcum association in citrus orchards grown in nine different plantation areas of north-western Himalayan region (NWHR) of India was investigated. Twelve AMF species of genera viz., Glomus, Gigaspora, Scutellospora and Entrophospora and two strains of Azotobacter chroococcumviz., Azotobacter strain-I (AZ1) and Azotobacter strain-II (AZ2) were isolated and identified. The species of Glomus namely G. fasciculatum (Thaxter) Gerdemann and Trappe and G. mosseae (Nicol. Gerd.) Gerdemann and Trappe were the most abundant in the majority of the experimental sites. The mycorrhizal spore population was maximum at Daad and minimum at Dashlera. Root colonization percentage oscillated between 24.6 and 30.5%. Inoculation study was carried out with the aim to select the most efficient native AMF species and Azotobacter strain for sustainable citrus nursery management. The impact of two most frequently occurring AM species viz., G. fasciculatum (Thaxter) Gerdemann & Trappe and G. mosseae (Nicol. & Gerd.) Gerdemann & Trappe and Azotobacter strains viz., AZ1 and AZ2 at alone and in combination with different levels of N and P was evaluated on growth and development status of citrus seedlings under controlled atmospheric conditions. The significant increase in growth parameters namely, height, diameter, root length and leaf area was more evident for the seedlings inoculated with G. fasciculatum (Thaxter) Gerdemann & Trappe followed by G. mosseae (Nicol. & Gerd.) Gerdemann & Trappe, AZ1 alone and in combination with 2/3rd dose of N+P.
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Claims 5
Claim · model-written summary
Twelve AMF species and two Azotobacter strains were isolated and identified from citrus orchards.
- Interactor
- AMFe0symbiont
- Outcome
- Twelve AMF speciese0
- Qualifier
- two strains of Azotobacter chroococcumviz., Azotobacter strain-I (AZ1) and Azotobacter strain-II (AZ2)e0
CitrusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twelve AMF species of genera viz., Glomus, Gigaspora, Scutellospora and Entrophospora and two strains of Azotobacter chroococcumviz., Azotobacter strain-I (AZ1) and Azotobacter strain-II (AZ2) were isolated and identified”
e1“citrus orchards grown in nine different plantation areas of north-western Himalayan region (NWHR) of India”
Claim · model-written summary
G. fasciculatum and G. mosseae were most abundant at most study sites.
- Interactor
- G. fasciculatum (Thaxter) Gerdemann and Trappe and G. mosseae (Nicol. Gerd.) Gerdemann and Trappee0symbiont
- Outcome
- most abundante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G. fasciculatum (Thaxter) Gerdemann and Trappe and G. mosseae (Nicol. Gerd.) Gerdemann and Trappe were the most abundant in the majority of the experimental sites”
t0“citrus”
Claim · model-written summary
Mycorrhizal spore population was highest at Daad and lowest at Dashlera.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mycorrhizal spore population was maximum at Daad and minimum at Dashlera”
t0“citrus”
Claim · model-written summary
Citrus root colonization ranged from 24.6 to 30.5%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root colonization percentage oscillated between 24.6 and 30.5%”
t0“citrus”
Claim · model-written summary
G. fasciculatum inoculation significantly improved citrus seedling growth parameters most strongly.
- Treatment
- inoculated with G. fasciculatum (Thaxter) Gerdemann & Trappee0
- Interactor
- G. fasciculatum (Thaxter) Gerdemann & TrappeRhizophagus fasciculatuse0symbiont
- Outcome
- growth parameters namely, height, diameter, root length and leaf areae0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The significant increase in growth parameters namely, height, diameter, root length and leaf area was more evident for the seedlings inoculated with G. fasciculatum (Thaxter) Gerdemann & Trappe followed by G. mosseae (Nicol. & Gerd.) Gerdemann & Trappe, AZ1 alone and in combination with 2/3rd dose of N+P”
t0“citrus”
The same questions in other papers
Rhizophagus fasciculatus · growth · CitrusResults agree
1 paper in the same direction as this paper
- positive
inoculation · growth · CitrusPositive and negative results
16 papers in the same direction as this paper · 5 in the opposite direction
- positive
- negative
- negative
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See all 22 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.