Abstract
Waterlogging is an important abiotic factor affecting crop productivity worldwide. Black gram (Vigna mungo L.) is very sensitive to waterlogged conditions. A field experiment was conducted in randomized complete block design to evaluate three black gram genotypes for waterlogging tolerance. Stress was imposed by maintaining the water level above the soil surface for 10 days after 30 days of sowing. Different physiological parameters including chlorophyll (Chl), chlorophyll fluorescence, normalized difference vegetation index (NDVI), sugars, along with the yield per plant and thousand grain weight (TW) were recorded in control and stressed plants. Results showed that NDVI, Chl, chlorophyll fluorescence, sugars, seed yield and TW reduced significantly during stress. Stress susceptibility index (SSI) for grain yield varied from 0.32 to 2.38. Linear correlation study showed that SSI was negatively correlated with NDVI (0.43),Chl (0.68) and TW (0.42) and grain yield (0.96). NDVI and sugars were correlated to TW under stress. IC530491 and IC559933 (SSI < 0.5) were waterlogging tolerant under field conditions. The study concluded that identified black gram lines may be utilized as trait donors in breeding program.
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Claims 10
Claim · model-written summary
Waterlogging significantly reduced NDVI, chlorophyll and chlorophyll fluorescence in black gram.
- Taxon
- black gram (Vigna mungo L.)
Vigna mungot0 - Treatment
- maintaining the water level above the soil surface for 10 dayse2
- Outcome
- NDVI, Chl, chlorophyll fluorescencee1
- Direction
- reducede1
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Results showed that NDVI, Chl, chlorophyll fluorescence, sugars, seed yield and TW reduced significantly during stress”
e2“Stress was imposed by maintaining the water level above the soil surface for 10 days after 30 days of sowing”
e3“were recorded in control and stressed plants”
Claim · model-written summary
Waterlogging significantly reduced sugars, seed yield and thousand grain weight in black gram.
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Treatment
- maintaining the water level above the soil surface for 10 dayse2
- Outcome
- sugars, seed yield and TWe1
- Direction
- reducede1
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Results showed that NDVI, Chl, chlorophyll fluorescence, sugars, seed yield and TW reduced significantly during stress”
e2“Stress was imposed by maintaining the water level above the soil surface for 10 days after 30 days of sowing”
e3“were recorded in control and stressed plants”
Claim · model-written summary
Stress susceptibility index for grain yield ranged from 0.32 to 2.38 among black gram genotypes under waterlogging.
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- Stress susceptibility index (SSI) for grain yielde1
- Value
- 0.32 to 2.38e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Stress susceptibility index (SSI) for grain yield varied from 0.32 to 2.38”
Claim · model-written summary
SSI was negatively correlated with NDVI (0.43).
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- SSIe1
- Direction
- negatively correlatede1
- Value
- 0.43e1
- Comparator
- NDVIe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Linear correlation study showed that SSI was negatively correlated with NDVI (0.43),Chl (0.68) and TW (0.42) and grain yield (0.96)”
Claim · model-written summary
SSI was negatively correlated with chlorophyll (0.68).
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- SSIe1
- Direction
- negatively correlatede1
- Value
- 0.68e1
- Comparator
- Chle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Linear correlation study showed that SSI was negatively correlated with NDVI (0.43),Chl (0.68) and TW (0.42) and grain yield (0.96)”
Claim · model-written summary
SSI was negatively correlated with thousand grain weight (0.42).
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- SSIe1
- Direction
- negatively correlatede1
- Value
- 0.42e1
- Comparator
- TWe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Linear correlation study showed that SSI was negatively correlated with NDVI (0.43),Chl (0.68) and TW (0.42) and grain yield (0.96)”
Claim · model-written summary
SSI was negatively correlated with grain yield (0.96).
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- SSIe1
- Direction
- negatively correlatede1
- Value
- 0.96e1
- Comparator
- grain yielde1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“Linear correlation study showed that SSI was negatively correlated with NDVI (0.43),Chl (0.68) and TW (0.42) and grain yield (0.96)”
Claim · model-written summary
NDVI and sugars were correlated with thousand grain weight under stress.
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Treatment
- under stresse1
- Outcome
- TWe1
- Comparator
- NDVI and sugarse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“NDVI and sugars were correlated to TW under stress”
Claim · model-written summary
Genotypes IC530491 and IC559933 (SSI below 0.5) were waterlogging tolerant under field conditions.
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Material
- IC530491 and IC559933e1
- Outcome
- waterlogging tolerante1
- Qualifier
- SSI < 0.5e1
- Setting
- field conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“IC530491 and IC559933 (SSI < 0.5) were waterlogging tolerant under field conditions”
Claim · model-written summary
Identified black gram lines may be used as trait donors in breeding.
- Taxon
- black gram (Vigna mungo L.)Vigna mungot0
- Outcome
- utilized as trait donors in breeding programe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in black gram (Vigna mungo L.) in field condition”
e1“The study concluded that identified black gram lines may be utilized as trait donors in breeding program”
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See all 21 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.