Abstract
A study was undertaken to examine the different levels of drought stress during early seed germination and to explore the response of 28-homobrassinolide (HBL) as potent stress alleviator. Sterilized seeds of Vigna radiata (T-44 and PDM-139) were soaked in distilled water for 24 h then placed in 12 sets of 3 petri dishes representing various treatments. 7 days old seedlings were exposed to drought stress equivalent to -6 bar (DS I) and – 12 bar using PEG-6000 and at 14 days stage seedlings exposed to 10−6, 10−8, 10−10 M of HBL. At 15 days stage, seedlings were harvested to evaluate the percent germination, proline, carbohydrate, nitrogen, phosphorus and potassium content. The results clearly indicated that seed germination, carbohydrate, nitrogen, phosphorus and potassium decreased in response to drought stress whereas, accumulation of proline increased. HBL increased proline accumulation significantly in the presence and absence of drought stress. It is concluded that drought stress (DSI) deteriorates the metabolism of Vigna radiata by decreasing mineral-nutrient status and per cent germination more effectively in PDM-139 over T-44. However, HBL played pivotal role in maintaining the homeostasis of mineral-nutrient status of Vigna radiata and overcome drought stress through higher accumulation of proline.
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Claims 7
Claim · model-written summary
Drought stress decreased seed germination and carbohydrate content of Vigna radiata.
- Taxon
- Vigna radiata
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Vigna radiatae0 - Organ / stage
- seedse0
- Treatment
- drought stresse1
- Outcome
- seed germination, carbohydratee1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Sterilized seeds of Vigna radiata (T-44 and PDM-139)”
e1“seed germination, carbohydrate, nitrogen, phosphorus and potassium decreased in response to drought stress whereas, accumulation of proline increased”
Claim · model-written summary
Drought stress decreased nitrogen, phosphorus and potassium content of Vigna radiata.
- Taxon
- Vigna radiataVigna radiatae0
- Organ / stage
- seedse0
- Treatment
- drought stresse1
- Outcome
- nitrogen, phosphorus and potassiume1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sterilized seeds of Vigna radiata (T-44 and PDM-139)”
e1“seed germination, carbohydrate, nitrogen, phosphorus and potassium decreased in response to drought stress whereas, accumulation of proline increased”
Claim · model-written summary
Drought stress increased proline accumulation in Vigna radiata.
- Taxon
- Vigna radiataVigna radiatae0
- Organ / stage
- seedse0
- Treatment
- drought stresse1
- Outcome
- accumulation of prolinee1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sterilized seeds of Vigna radiata (T-44 and PDM-139)”
e1“seed germination, carbohydrate, nitrogen, phosphorus and potassium decreased in response to drought stress whereas, accumulation of proline increased”
Claim · model-written summary
HBL increased proline accumulation significantly in Vigna radiata both with and without drought stress.
- Taxon
- Vigna radiataVigna radiatae0
- Treatment
- HBLe2
- Outcome
- proline accumulatione2
- Direction
- increasede2
- Qualifier
- in the presence and absence of drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sterilized seeds of Vigna radiata (T-44 and PDM-139)”
e2“HBL increased proline accumulation significantly in the presence and absence of drought stress”
Claim · model-written summary
HBL played a pivotal role in maintaining the homeostasis of mineral-nutrient status of Vigna radiata under drought.
- Taxon
- Vigna radiataVigna radiatae3
- Treatment
- HBLe3
- Outcome
- homeostasis of mineral-nutrient statuse3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“HBL played pivotal role in maintaining the homeostasis of mineral-nutrient status of Vigna radiata and overcome drought stress through higher accumulation of proline”
Claim · model-written summary
HBL appears to overcome drought stress in Vigna radiata through higher proline accumulation.
- Taxon
- Vigna radiataVigna radiatae3
- Treatment
- HBLe3
- Compound
- prolinee3
- Outcome
- overcome drought stresse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“HBL played pivotal role in maintaining the homeostasis of mineral-nutrient status of Vigna radiata and overcome drought stress through higher accumulation of proline”
Claim · model-written summary
Drought stress decreased mineral-nutrient status and germination more strongly in genotype PDM-139 than in T-44.
- Taxon
- Vigna radiataVigna radiatae4
- Material
- PDM-139e4
- Treatment
- drought stress (DSI)e4
- Outcome
- mineral-nutrient status and per cent germinatione4
- Direction
- decreasinge4
- Comparator
- T-44e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“drought stress (DSI) deteriorates the metabolism of Vigna radiata by decreasing mineral-nutrient status and per cent germination more effectively in PDM-139 over T-44”
The same questions in other papers
drought · growth · Vigna radiata (mung bean)Positive and negative results
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- positive
- positive
- positive
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See all 45 papers →drought · quality: sugar starch · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.