Abstract
Nowadays to lessen the influence of salinity on crop performances such as germination, seedling growth and yield, several actions are undertaken; for example the use of different priming methods, antioxidants and plant growth controllers. Seed priming, best fits in this study on maize crop and is controlled by hydration process followed by re-drying that allows pre-germination which enhanced metabolic activities to proceed rapidly. The objective of this study was to investigate how seed salt priming increases maize crop performance thereby enhancing yields by stimulating the plant physiological processes. Here, sodium chloride and calcium chloride primed seeds germinated earlier than unprimed one. Primed maize seeds had better efficiency for water absorption. Likewise, energetic metabolic activities in germination process commence much earlier than radicle and plumule appearance. Priming of seeds with salt solution enables them to break their dormancy and escape from disease causing agents and competent seeds of weeds. Seed priming with NaCl and CaCl2 had significant effects on germination, early growth, number branches, number of cobs and grain yield. This increase in growth traits likely helps to reduce the competition for water and nutrients with associated improvements in seed yield. Besides, it makes seed priming practice a viable option for the successful use of maize in irrigation areas. Sodium chloride (NaCl) priming increases shoot length while, calcium chloride (CaCl2) priming increases root length. Seeds grown in vertisol soil prefers seed priming for better stand establishment and crop yield whereas; seeds in lithosol soils prefer priming for better seed germination and increase number cob. Key words: Seed salt priming, maize, salt tolerance, germination rate, physiology.
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Claims 11
Claim · model-written summary
NaCl and CaCl2 primed maize seeds germinated earlier than unprimed seeds.
- Treatment
- sodium chloride and calcium chloridee0
- Outcome
- seeds germinatede0
- Direction
- earliere0
- Comparator
- unprimed onee0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“sodium chloride and calcium chloride primed seeds germinated earlier than unprimed one”
Claim · model-written summary
Primed maize seeds absorbed water more efficiently.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Primed maize seeds had better efficiency for water absorption”
Claim · model-written summary
Energetic metabolic activity in primed maize germination began before radicle and plumule appearance.
- Outcome
- energetic metabolic activities in germination processe0
- Direction
- much earliere0
- Comparator
- radicle and plumule appearancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“energetic metabolic activities in germination process commence much earlier than radicle and plumule appearance”
Claim · model-written summary
Salt solution priming enabled maize seeds to break dormancy.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Priming of seeds with salt solution enables them to break their dormancy”
Claim · model-written summary
Seed priming was interpreted to help maize escape disease agents and weed competition.
- Outcome
- escape from disease causing agents and competent seeds of weedse0
- Qualifier
- disease causing agents and competent seeds of weedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“escape from disease causing agents and competent seeds of weeds”
Claim · model-written summary
NaCl and CaCl2 priming significantly affected maize germination and early growth.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Seed priming with NaCl and CaCl2 had significant effects on germination, early growth, number branches, number of cobs and grain yield”
Claim · model-written summary
NaCl and CaCl2 priming significantly affected maize branch and cob number and grain yield.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Seed priming with NaCl and CaCl2 had significant effects on germination, early growth, number branches, number of cobs and grain yield”
Claim · model-written summary
NaCl priming increased maize shoot length.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Sodium chloride (NaCl) priming increases shoot length”
Claim · model-written summary
CaCl2 priming increased maize root length.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“calcium chloride (CaCl2) priming increases root length”
Claim · model-written summary
In vertisol soil, maize seed priming was favored for stand establishment and yield.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“Seeds grown in vertisol soil prefers seed priming for better stand establishment and crop yield”
Claim · model-written summary
In lithosol soil, maize seed priming was favored for germination and cob number.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“maize (Zea mays)”
e0“seeds in lithosol soils prefer priming for better seed germination and increase number cob”
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