Abstract
Potential of seed priming treatments in improving the performance of early planted maize was evaluated against timely planting. Seeds of maize hybrid FH-810 were soaked in water （hydropriming）, CaCI2 （2.2%, osmopriming）, moringa leaf extracts （MLE 3.3%, osmopriming） and salicylic acid （SA, 50 mg L-1, hormonal priming） each for 18 h. Untreated and hydroprimed seeds were taken as control. Seeds primed with SA took less time in emergence and had high vigor in eady planted maize. Amongst treatments, hormonal priming, reduced the electrical conductivity, increased the leaf relative and chlorophyll contents followed by osmopriming with CaCI2 at seedling stage. Likewise, plant height, grain rows and 1 000-grain weight, grain and biological yield and harvest index were also improved by seed pdming; however hormonal priming and osmopriming with MLE were more effective in this regard. Improved yield performance by hormonal priming or osmopriming with MLE in early planting primarily owed to increased leaf area index, crop growth and net assimilation rates, and maintenance of green leaf area at maturity. In conclusion, osmopriming with MLE and hormonal priming with SA were the most economical treatments in improving productivity of early planted spring maize through stimulation of early seedling growth at low temperature.
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Claims 10
Claim · model-written summary
Maize seeds primed with SA took less time to emerge in early planted maize.
- Treatment
- Seeds primed with SAe0
- Outcome
- time in emergencee0
- Direction
- lesse0
- Comparator
- Untreated and hydroprimed seedse1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“Seeds primed with SA took less time in emergence”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Maize seeds primed with SA had high vigor in early planted maize.
- Treatment
- Seeds primed with SAe0
- Outcome
- vigore0
- Direction
- highe0
- Comparator
- Untreated and hydroprimed seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“Seeds primed with SA took less time in emergence and had high vigor”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Hormonal priming reduced the electrical conductivity of maize seedlings.
- Treatment
- hormonal priminge0
- Outcome
- electrical conductivitye0
- Direction
- reducede0
- Comparator
- Untreated and hydroprimed seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“Amongst treatments, hormonal priming, reduced the electrical conductivity, increased the leaf relative and chlorophyll contents”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Hormonal priming increased the leaf relative (water) and chlorophyll contents of maize seedlings.
- Treatment
- hormonal priminge0
- Outcome
- leaf relative and chlorophyll contentse0
- Direction
- increasede0
- Comparator
- Untreated and hydroprimed seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“Amongst treatments, hormonal priming, reduced the electrical conductivity, increased the leaf relative and chlorophyll contents”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Seed priming improved plant height, grain rows and 1000-grain weight of maize.
- Treatment
- Seed primingt1
- Outcome
- plant height, grain rows and 1 000-grain weighte0
- Direction
- improvede0
- Comparator
- Untreated and hydroprimed seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
t1“Seed priming”
e0“plant height, grain rows and 1 000-grain weight, grain and biological yield and harvest index were also improved”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Seed priming improved grain yield, biological yield and harvest index of maize.
- Treatment
- Seed primingt1
- Outcome
- grain and biological yield and harvest indexe0
- Direction
- improvede0
- Comparator
- Untreated and hydroprimed seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
t1“Seed priming”
e0“plant height, grain rows and 1 000-grain weight, grain and biological yield and harvest index were also improved”
e1“Untreated and hydroprimed seeds were taken as control”
Claim · model-written summary
Hormonal priming was more effective than other priming treatments in improving maize performance.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“however hormonal priming and osmopriming with MLE were more effective in this regard”
Claim · model-written summary
Osmopriming with MLE was more effective than other priming treatments in improving maize performance.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“however hormonal priming and osmopriming with MLE were more effective in this regard”
Claim · model-written summary
The authors attribute improved yield under hormonal priming or MLE osmopriming in early planting primarily to increased leaf area index, crop growth and net assimilation rates and maintained green leaf area at maturity.
- Treatment
- hormonal priming or osmopriming with MLEe0
- Outcome
- yield performancee0
- Qualifier
- increased leaf area index, crop growth and net assimilation rates, and maintenance of green leaf area at maturitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“spring maize”
e0“Improved yield performance by hormonal priming or osmopriming with MLE in early planting primarily owed to increased leaf area index, crop growth and net assimilation rates, and maintenance of green leaf area at maturity”
Claim · model-written summary
Osmopriming with MLE and hormonal priming with SA were the most economical treatments for improving productivity of early planted spring maize.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“osmopriming with MLE and hormonal priming with SA were the most economical treatments in improving productivity of early planted spring maize”
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