Abstract
Arbucsular Mycorrhizal Fungi (AMF) are implicated as phyto-stimulators of various physiological processes of its symbiotic plants. The influences of AM fungi and water deficit on quantum yield of photochemistry (Fv/Fm) of photo-system II of cassava leaves were therefore investigated. Field experiment was conducted at Ajibode village while the semi-controlled experiment was conducted at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. One improved cassava clone (TMS 4(2) 1425) and a landrace (TME1) were investigated. The soil is Oxic Paleustalf in both fields and controlled experiments. The controlled experiments were arranged factorially in a complete randomized design, while the field experiment was a randomized complete block design. The plants were adequately watered at alternate days. After two months, one half of the plants in each treatment were subjected to water stress. All treatments were replicated three times. Results obtained from chlorophyll fluorescence probe indicated that inoculated AM fungi enhanced photochemical efficiency of light reactions of the photosystem II (PS II) in intact cassava leaf tissues both under irrigation and water stress conditions. Water deficit levels based on more negative leaf had adverse effects on chlorophyll fluorescence of both genotypes. However, the adverse effect of water stress was significantly reduced by AM inoculation. Fv/Fm values could be a potentially useful criterion in selecting for drought tolerance and AM fungi efficiency of cassava. Key word:AM fungi cassava (Manihot esculenta crantz) chlorophyll fluorescence chlorophyll pigments
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Claims 4
Claim · model-written summary
Inoculated AM fungi enhanced photochemical efficiency of photosystem II in cassava leaves under both irrigation and water stress.
- Taxon
- Manihot esculenta
Manihot esculentat0 - Organ / stage
- intact cassava leaf tissuese1
- Treatment
- inoculated AM fungie1
- Interactor
- Arbucsular Mycorrhizal Fungi (AMF)e0symbiont
- Outcome
- photochemical efficiency of light reactions of the photosystem II (PS II)e1
- Direction
- enhancede1
- Qualifier
- both under irrigation and water stress conditionse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Arbucsular Mycorrhizal Fungi (AMF) are implicated as phyto-stimulators of various physiological processes of its symbiotic plants”
e1“inoculated AM fungi enhanced photochemical efficiency of light reactions of the photosystem II (PS II) in intact cassava leaf tissues both under irrigation and water stress conditions”
t0“Cassava (Manihot esculenta Crantz)”
Claim · model-written summary
Water deficit had adverse effects on chlorophyll fluorescence of both cassava genotypes.
- Taxon
- Manihot esculentaManihot esculentat0
- Treatment
- Water deficit levelse2
- Outcome
- chlorophyll fluorescencee2
- Direction
- adverse effectse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Water deficit levels based on more negative leaf had adverse effects on chlorophyll fluorescence of both genotypes”
t0“Cassava (Manihot esculenta Crantz)”
Claim · model-written summary
AM inoculation significantly reduced the adverse effect of water stress on cassava chlorophyll fluorescence.
- Taxon
- Manihot esculentaManihot esculentat0
- Treatment
- AM inoculatione3
- Interactor
- Arbucsular Mycorrhizal Fungi (AMF)e0symbiont
- Outcome
- adverse effect of water stresse3
- Direction
- significantly reducede3
- Comparator
- water stresse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Arbucsular Mycorrhizal Fungi (AMF) are implicated as phyto-stimulators of various physiological processes of its symbiotic plants”
e3“the adverse effect of water stress was significantly reduced by AM inoculation”
t0“Cassava (Manihot esculenta Crantz)”
Claim · model-written summary
Fv/Fm values could be a useful criterion for selecting cassava for drought tolerance and AM fungi efficiency.
- Taxon
- Manihot esculentaManihot esculentat0
- Outcome
- Fv/Fm valuese4
- Qualifier
- potentially useful criterion in selecting for drought tolerancee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Fv/Fm values could be a potentially useful criterion in selecting for drought tolerance and AM fungi efficiency of cassava”
t0“Cassava (Manihot esculenta Crantz)”
The same questions in other papers
drought · physiology: photosynthesis · Manihot esculenta (cassava)Positive and negative results
6 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
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See all 11 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.