Abstract
Some growth enhancers can be useful in declining the effects of drought on corn. This study was conducted to investigate the effectiveness of growth stimulants superabsorbent A200 (SAP) polymer, polyacrylamide (PAM) polymer, smoke water (SW), salicylic acid (SA), potassium silicate (PS), humic acid (HA), and control at water stress levels (control, moderate, and severe) on sweet corn ( Zea mays L.) in saline soil (EC = 6.8 ds m −1 ) in 2022 and 2023. All growth promoters had a positive and significant effect on leaf area index (LAI), relative water content (RWC), plant height, biological yield, grain yield, harvest index, grain number cob −1 , 100‐grain weight, grain number row −1 , row number cob −1 , and grain protein compared to the control. The use of growth enhancers on grain yield as the most important trait showed that in no‐drought stress, moderate, and severe stress conditions, it promoted up to 31.7%, 32.8%, and 20.8% compared to the control, respectively. Overall, the results showed that under climatic conditions, saline soil of the region, and drought stress treatments (control, moderate, and severe), SA and SAP had a more prominent positive effect than the other growth enhancers on grain yield of sweet corn in 2 years.
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Claims 8
Claim · model-written summary
Growth promoters significantly improved sweet corn leaf area index, relative water content, and plant height.
Verbatim
e0“All growth promoters had a positive and significant effect on leaf area index (LAI), relative water content (RWC), plant height, biological yield, grain yield, harvest index, grain number cob −1 , 100‐grain weight, grain number row −1 , row number cob −1 , and grain protein compared to the control.”
t0“Sweet Corn”
Claim · model-written summary
Growth promoters significantly improved biological yield, grain yield and harvest index of sweet corn.
Verbatim
e0“All growth promoters had a positive and significant effect on leaf area index (LAI), relative water content (RWC), plant height, biological yield, grain yield, harvest index, grain number cob −1 , 100‐grain weight, grain number row −1 , row number cob −1 , and grain protein compared to the control.”
t0“Sweet Corn”
Claim · model-written summary
Growth promoters significantly improved sweet corn grain number per cob, grain weight and grain number per row.
Verbatim
e0“All growth promoters had a positive and significant effect on leaf area index (LAI), relative water content (RWC), plant height, biological yield, grain yield, harvest index, grain number cob −1 , 100‐grain weight, grain number row −1 , row number cob −1 , and grain protein compared to the control.”
t0“Sweet Corn”
Claim · model-written summary
Growth promoters significantly improved sweet corn row number per cob and grain protein.
Verbatim
e0“All growth promoters had a positive and significant effect on leaf area index (LAI), relative water content (RWC), plant height, biological yield, grain yield, harvest index, grain number cob −1 , 100‐grain weight, grain number row −1 , row number cob −1 , and grain protein compared to the control.”
t0“Sweet Corn”
Claim · model-written summary
Growth enhancers increased sweet corn grain yield up to 31.7% without drought.
Verbatim
e0“in no‐drought stress, moderate, and severe stress conditions, it promoted up to 31.7%, 32.8%, and 20.8% compared to the control, respectively.”
t0“Sweet Corn”
e1“growth enhancers on grain yield as the most important trait”
Claim · model-written summary
Growth enhancers increased sweet corn grain yield up to 32.8% under moderate stress.
Verbatim
e0“in no‐drought stress, moderate, and severe stress conditions, it promoted up to 31.7%, 32.8%, and 20.8% compared to the control, respectively.”
t0“Sweet Corn”
e1“growth enhancers on grain yield as the most important trait”
Claim · model-written summary
Growth enhancers increased sweet corn grain yield up to 20.8% under severe stress.
Verbatim
e0“in no‐drought stress, moderate, and severe stress conditions, it promoted up to 31.7%, 32.8%, and 20.8% compared to the control, respectively.”
t0“Sweet Corn”
e1“growth enhancers on grain yield as the most important trait”
Claim · model-written summary
Salicylic acid and superabsorbent polymer had more prominent positive effects on sweet corn grain yield than other enhancers.
Verbatim
e0“SA and SAP had a more prominent positive effect than the other growth enhancers on grain yield of sweet corn in 2 years.”
The same questions in other papers
salicylic acid · yield · Zea mays (maize)Results differ
41 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- no effect
40 papers more in this group
See all 44 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.