Abstract
A field investigation was taken up in groundnut variety Kadiri-6 to study the effect of defoliation on source sink relationship at Regional Agricultural Research Station, PJTSAU, Palem for two consecutive years i.e. Kharif, 2015 and Kharif, 2016. Defoliation was practiced at 90 DAS. Out of the five treatments, no defoliation has given best results over other four defoliation treatments. Among the two years 2015, 2016 and pooled, lower values were registered as the intensity of defoliation increased for all the characters. Near to zero values were registered for leaf area and leaf mass in 100 defoliation. For shoot mass (g/plant), root mass (g/plant), pod yield per plant (g/plant) and pod mass per plant (g/plant), among two years 2015, 2016 and pooled analysis, pod mass was highest in no defoliation followed by 25%, 50% and 75 % levels of defoliation. The lowest pod mass per plant was recorded in severe (100%) defoliation. The moderate and severe defoliation treatments significantly reduced all characters. Defoliation reduced the dry weight of root, shoot and pod mass. The adverse effect of defoliation was more pronounced when defoliation was complete than when half of the number of leaves were removed. The greatest reduction in yield occurred when the plants were defoliated during the early pod stage. Hence, in ground nut variety Kadiri - 6, no defoliation is the best to practice in realizing more pod yield per plant than defoliation.
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Claims 10
Claim · model-written summary
No defoliation gave the best results compared with the other four defoliation treatments in groundnut.
- Taxon
- groundnut
Arachis hypogaeat0 - Treatment
- no defoliatione2
- Outcome
- best resultse2
- Direction
- beste2
- Comparator
- other four defoliation treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e2“Out of the five treatments, no defoliation has given best results over other four defoliation treatments”
Claim · model-written summary
Lower values were recorded for all characters as defoliation intensity increased.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- intensity of defoliatione3
- Outcome
- all the characterse3
- Direction
- lower valuese3
- Qualifier
- Among the two years 2015, 2016 and poolede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e3“Among the two years 2015, 2016 and pooled, lower values were registered as the intensity of defoliation increased for all the characters”
Claim · model-written summary
Leaf area and leaf mass were near zero under 100 % defoliation.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- 100 defoliatione4
- Outcome
- leaf area and leaf masse4
- Qualifier
- Near to zero valuese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e4“Near to zero values were registered for leaf area and leaf mass in 100 defoliation”
Claim · model-written summary
Pod mass was highest with no defoliation, followed by the 25 %, 50 % and 75 % defoliation levels.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- levels of defoliatione5
- Outcome
- pod masse5
- Direction
- higheste5
- Comparator
- no defoliatione5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e5“pod mass was highest in no defoliation followed by 25%, 50% and 75 % levels of defoliation”
Claim · model-written summary
Severe (100 %) defoliation gave the lowest pod mass per plant.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- severe (100%) defoliatione6
- Outcome
- pod mass per plante6
- Direction
- loweste6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e6“The lowest pod mass per plant was recorded in severe (100%) defoliation”
Claim · model-written summary
Moderate and severe defoliation significantly reduced all characters.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- moderate and severe defoliatione7
- Outcome
- all characterse7
- Direction
- reducede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e7“The moderate and severe defoliation treatments significantly reduced all characters”
Claim · model-written summary
Defoliation reduced dry weight of root, shoot and pod mass in groundnut.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- Defoliatione1
- Outcome
- dry weight of root, shoot and pod masse1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e1“Defoliation reduced the dry weight of root, shoot and pod mass”
Claim · model-written summary
The adverse effect of complete defoliation was more pronounced than that of removing half of the leaves.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- defoliation was completee1
- Outcome
- adverse effect of defoliatione1
- Direction
- more pronouncede1
- Comparator
- when half of the number of leaves were removede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e1“The adverse effect of defoliation was more pronounced when defoliation was complete than when half of the number of leaves were removed”
Claim · model-written summary
Defoliation during the early pod stage caused the greatest yield reduction in groundnut.
- Taxon
- groundnutArachis hypogaeat0
- Organ / stage
- early pod stagee1
- Treatment
- defoliated during the early pod stagee1
- Outcome
- yielde1
- Direction
- greatest reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e1“The greatest reduction in yield occurred when the plants were defoliated during the early pod stage”
Claim · model-written summary
No defoliation is recommended in groundnut variety Kadiri-6 to realize more pod yield per plant.
- Taxon
- groundnutArachis hypogaeat0
- Material
- Kadiri - 6e1
- Treatment
- no defoliatione1
- Outcome
- pod yield per plante1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in groundnut (Arachis hypogaea L.)”
e1“Hence, in ground nut variety Kadiri - 6, no defoliation is the best to practice in realizing more pod yield per plant than defoliation”
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