Abstract
Background: Groundnut (Arachis hypogaea L.) holds significant importance as a staple food legume and a key economic crop, serving as a valuable source of edible oil and protein in India. However, its full yield potential is often hampered by excessive vegetative growth, which leads to suboptimal yields. With this background, a field experiment was conducted at the Perunthalaivar Kamaraj Krishi Vigyan Kendra in Puducherry during 2020 and 2021. The objective was to investigate the influence of different concentrations and timing of paclobutrazol (PBZ) application on the growth and yield of groundnut. Methods: The experiment was laid out in a split-plot design with three replications, six main plot treatments (Including PBZ concentrations of 25, 50, 100, 150, 200 ppm and a control) and three sub-plot treatments (Involving single sprays at 30 days after emergence (DAE), single sprays at 50 DAE and double sprays at 30 and 50 DAE). Result: The results revealed that the application of paclobutrazol at different concentrations had a positive effect on reducing plant height during the later stages of growth, particularly when a double spray was applied at 30 and 50 DAE. Notably, the application of paclobutrazol at a concentration of 200 ppm in groundnut cultivation proved to be economically viable, resulting 29% increase in pod yield compared to the control group. Specifically, PBZ at 200 ppm, with a double spray, significantly boosted the total pod yield to 2724 kg ha-1. Furthermore, the correlation and regression analyses indicated a positive relationship between growth and yield.
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Claims 5
Claim · model-written summary
Paclobutrazol reduced late-stage height, particularly with double spraying at 30 and 50 DAE.
- Taxon
- groundnut
Arachis hypogaeae1 - Treatment
- application of paclobutrazole0
- Outcome
- plant heighte0
- Direction
- reducinge0
- Qualifier
- double spray was applied at 30 and 50 DAEe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of paclobutrazol at different concentrations had a positive effect on reducing plant height during the later stages of growth, particularly when a double spray was applied at 30 and 50 DAE.”
e1“growth and yield of groundnut”
Claim · model-written summary
200 ppm paclobutrazol increased pod yield by 29% compared with control.
- Taxon
- groundnutArachis hypogaeae0
- Treatment
- paclobutrazol at a concentration of 200 ppme0
- Outcome
- pod yielde0
- Direction
- increasee0
- Value
- 29%e0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of paclobutrazol at a concentration of 200 ppm in groundnut cultivation proved to be economically viable, resulting 29% increase in pod yield compared to the control group.”
Claim · model-written summary
Double spraying PBZ at 200 ppm significantly boosted total pod yield to 2724 kg ha-1.
- Taxon
- groundnutArachis hypogaeae1
- Treatment
- PBZ at 200 ppme0
- Outcome
- total pod yielde0
- Direction
- boostede0
- Value
- 2724 kg ha-1e0
- Qualifier
- double spraye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Specifically, PBZ at 200 ppm, with a double spray, significantly boosted the total pod yield to 2724 kg ha-1.”
e1“growth and yield of groundnut”
Claim · model-written summary
200 ppm paclobutrazol was economically viable.
- Taxon
- groundnutArachis hypogaeae0
- Treatment
- paclobutrazol at a concentration of 200 ppme0
- Outcome
- economically viablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of paclobutrazol at a concentration of 200 ppm in groundnut cultivation proved to be economically viable”
Claim · model-written summary
Growth and yield were positively related.
- Taxon
- groundnutArachis hypogaeae1
- Outcome
- yielde0
- Direction
- positivee0
- Qualifier
- growthe0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the correlation and regression analyses indicated a positive relationship between growth and yield.”
e1“growth and yield of groundnut”
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