Abstract
The field and screen house experiment was conducted at Tanzania Coffee Research Institute and Seliani Agricultural Research Institute respectively in Tanzania, between March-July 2013, to assess the effects of Bradyrhizobium japonicum and phosphorus on growth and total leaf chlorophyll content of cowpea. The experiment was out down in splitplot design whereby the main plots comprised two inoculation treatments (with and without B. japonicum), while the sub-plots contained phosphorus (TSP) application at four different levels (0 kg/ha, 20 kg/ha, 40 kg/ha, 80 kg/ha). Both experiments were replicated four times. We measured plant growth parameters such as plant height; number of leaves per plant at different stages of plant growth, the stem girth was measured by vernier caliper at physiological maturity. The chlorophyll content was determined at 3, 5, and 7 weeks after planting (WAP). The chlorophyll was extracted by using dimethylsulphoxide (DMSO) and absorbance was determined at 645 and 663nm using UV/Visible spectrophotometer. B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control. The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively. Number of leaves per plant counted at 6 and 8 WAP increased by 14 and 10.8% (screen-house) and 14 and 11.6% (field) respectively. B. japonicum also
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Claims 11
Claim · model-written summary
B. japonicum inoculation significantly increased height, leaf number and stem girth.
- Taxon
- Cowpea
Vigna unguiculatat0 - Treatment
- B. japonicum inoculatione0
- Interactor
- B. japonicum
Bradyrhizobium japonicume0symbiont - Outcome
- plant height, number of leaves per plants, and stem girthe0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 11.23 at screen-house.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 11.23e0
- Setting
- screen-housee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 10.43 at screen-house.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 10.43e0
- Setting
- screen-housee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 8.99% at screen-house.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 8.99%e0
- Setting
- screen-housee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 8.11 at field.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 8.11e0
- Setting
- fielde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 24.05 at field.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 24.05e0
- Setting
- fielde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Inoculation increased cowpea height by 9.29% at field.
- Taxon
- CowpeaVigna unguiculatat0
- Treatment
- inoculatione1
- Outcome
- heighte0
- Direction
- increasede0
- Value
- 9.29%e0
- Setting
- fielde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height was increased by 11.23, 10.43 and 8.99% (screen-house) and by 8.11, 24.05, 9.29% (field) in the measurements taken at 4, 6, and 8 WAP respectively.”
e1“B. japonicum inoculation significantly increased the plant height, number of leaves per plants, and stem girth above the control.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Leaf number increased by 14 at screen-house.
- Taxon
- CowpeaVigna unguiculatat0
- Outcome
- Number of leaves per plante0
- Direction
- increasede0
- Value
- 14e0
- Setting
- screen-housee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of leaves per plant counted at 6 and 8 WAP increased by 14 and 10.8% (screen-house) and 14 and 11.6% (field) respectively.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Leaf number increased by 10.8% at screen-house.
- Taxon
- CowpeaVigna unguiculatat0
- Outcome
- Number of leaves per plante0
- Direction
- increasede0
- Value
- 10.8%e0
- Setting
- screen-housee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of leaves per plant counted at 6 and 8 WAP increased by 14 and 10.8% (screen-house) and 14 and 11.6% (field) respectively.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Leaf number increased by 14 at field.
- Taxon
- CowpeaVigna unguiculatat0
- Outcome
- Number of leaves per plante0
- Direction
- increasede0
- Value
- 14e0
- Setting
- fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of leaves per plant counted at 6 and 8 WAP increased by 14 and 10.8% (screen-house) and 14 and 11.6% (field) respectively.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
Claim · model-written summary
Leaf number increased by 11.6% at field.
- Taxon
- CowpeaVigna unguiculatat0
- Outcome
- Number of leaves per plante0
- Direction
- increasede0
- Value
- 11.6%e0
- Setting
- fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Number of leaves per plant counted at 6 and 8 WAP increased by 14 and 10.8% (screen-house) and 14 and 11.6% (field) respectively.”
t0“Cowpea (Vigna unguiculata (L) Walp)”
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- positive
- positive
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91 papers in the same direction as this paper · 8 in the opposite direction · 2 reporting no difference from an alternative
- positive
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See all 102 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.