Abstract
The castor bean (Ricinus communis L.) is an oilseed that produces excellent oil, it qualifies as important crop for energetic security. Salinity is one of the most environmental factors that affects different development stages of plants, especially germination stage. The objective of the research was to characterize the deleterious effects of salinity on seed germination and seedling growth of castor bean. The present study shows the effects of NaCl stress on seed germination and seedling growth of four castor bean cultivars (DSP-222, DSP555, GCH-4 and GCH-7) at different levels. For this purpose, seeds of castor were grown in sand culture and treated with aqueous solutions of different salinities which were prepared by dissolving the salt of NaCl. (25, 50 and 75mM) and distilled water was used as a control. Traits such as germination percentage, length of shoot and root, fresh and dry weight of seedling and seedling vigour index (SVI) were evaluated. The analysis of variance (ANOVA) showed that NaCl stress had significant effects on germination percentage, shoot length, root length, fresh and dry weight of seedling at different salinity levels. It is evident from the experiment that cv. DSP 555 showed higher germination % and seedling growth at all salinity levels as compared to control.
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Claims 3
Claim · model-written summary
NaCl stress had significant effects on germination percentage, shoot length and root length of castor bean seedlings relative to distilled water control.
- Taxon
- Ricinus communis
Ricinus communise0 - Treatment
- NaCl stresse1
- Outcome
- germination percentage, shoot length, root lengthe1
- Qualifier
- 25, 50 and 75mMe4
- Comparator
- distilled watere2
- Setting
- sand culturee3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The castor bean (Ricinus communis L.)”
e1“NaCl stress had significant effects on germination percentage, shoot length, root length, fresh and dry weight of seedling at different salinity levels”
e2“distilled water was used as a control”
e3“grown in sand culture”
e4“(25, 50 and 75mM)”
Claim · model-written summary
NaCl stress had significant effects on fresh and dry weight of castor bean seedlings relative to distilled water control.
- Taxon
- Ricinus communisRicinus communise0
- Organ / stage
- seedlinge1
- Treatment
- NaCl stresse1
- Outcome
- fresh and dry weight of seedlinge1
- Qualifier
- 25, 50 and 75mMe4
- Comparator
- distilled watere2
- Setting
- sand culturee3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The castor bean (Ricinus communis L.)”
e1“NaCl stress had significant effects on germination percentage, shoot length, root length, fresh and dry weight of seedling at different salinity levels”
e2“distilled water was used as a control”
e3“grown in sand culture”
e4“(25, 50 and 75mM)”
Claim · model-written summary
Cultivar DSP 555 showed higher germination percentage and seedling growth than control at all salinity levels.
- Taxon
- Ricinus communisRicinus communise0
- Material
- DSP 555e5
- Treatment
- all salinity levelse5
- Outcome
- germination % and seedling growthe5
- Direction
- highere5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The castor bean (Ricinus communis L.)”
e5“cv. DSP 555 showed higher germination % and seedling growth at all salinity levels as compared to control”
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