Abstract
An experiment was conducted at the pot yard of Bangladesh Institute of Nuclear Agriculture, Mymensingh during the period from February to May 2018 to investigate the effect of defoliations on morphological characters, yield attributes and yield of uniculm mungbean plant. The experiment comprised of nine levels of defoliation viz., control, 2, 3, 4, 5 leaves removal from base and 2, 3, 4 and 5 leaves removal from top out of 7 leaves during flowering start phase. The morpho-physiological characters such as plant height, stem diameter, leaf area and total dry mass plant-1 and number of racemes, reproductive characters such as rachis length and diameter, number of flowers plant-1 and reproductive efficiency, yield contributing characters such as number of pods plant-1, pod length, number of seeds pod-1, single pod and 100-seed weight and seed yield decreased with increasing defoliation both from base and top except basal 2 leaves defoliation. The above parameters increased over control in basal 2 leaves defoliation. The decrement due to defoliation was greater in top defoliated plants than the corresponding basal defoliated ones indicating upper leaves contributes more assimilate to the sink than the basal leaves. The highest morpho-physiological parameters, reproductive characters and yield contributing characters observed in basal 2 leaves defoliated plants which resulted the highest seed yield (5.75 g plant-1) followed by control (5.49 g plant-1). The lowest morpho-physiological parameters, reproductive and yield contributing characters recorded in top 5 defoliated plants and produced the lowest seed yield (1.21 g plant-1). These results suggest that uniculm mungbean plant tolerate basal 2 leaves loss in the canopy during reproductive stage.
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Claims 13
Claim · model-written summary
Plant height, stem diameter and leaf area decreased with increasing defoliation from base and top, except basal 2 leaves defoliation.
- Taxon
- mungbean
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Vigna radiatat0 - Treatment
- defoliatione2
- Outcome
- plant height, stem diameter, leaf areae1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“mungbean”
e1“plant height, stem diameter, leaf area”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Total dry mass per plant and number of racemes decreased with increasing defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione2
- Outcome
- total dry mass plant-1 and number of racemese1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“total dry mass plant-1 and number of racemes”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Rachis length and diameter decreased with increasing defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione2
- Outcome
- rachis length and diametere1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“rachis length and diameter”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Number of flowers per plant and reproductive efficiency decreased with increasing defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione2
- Outcome
- number of flowers plant-1 and reproductive efficiencye1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“number of flowers plant-1 and reproductive efficiency”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Number of pods per plant, pod length and number of seeds per pod decreased with increasing defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione2
- Outcome
- number of pods plant-1, pod length, number of seeds pod-1e1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“number of pods plant-1, pod length, number of seeds pod-1”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Single pod weight and 100-seed weight decreased with increasing defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione2
- Outcome
- single pod and 100-seed weighte1
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“single pod and 100-seed weight”
e2“decreased with increasing defoliation both from base and top”
Claim · model-written summary
Seed yield decreased with increasing defoliation from base and top, except basal 2 leaves defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- defoliatione1
- Outcome
- seed yielde1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“seed yield decreased with increasing defoliation both from base and top”
Claim · model-written summary
These parameters increased over the control with basal 2 leaves defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- basal 2 leaves defoliatione1
- Outcome
- The above parameterse1
- Direction
- increasede1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“The above parameters increased over control in basal 2 leaves defoliation”
Claim · model-written summary
The decrement due to defoliation was greater in top defoliated plants than in basal defoliated plants.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- top defoliated plantse1
- Outcome
- decrement due to defoliatione1
- Direction
- greatere1
- Comparator
- basal defoliated onese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“The decrement due to defoliation was greater in top defoliated plants than the corresponding basal defoliated ones”
Claim · model-written summary
Upper leaves contribute more assimilate to the sink than basal leaves.
- Taxon
- mungbeanVigna radiatat0
- Organ / stage
- upper leavese1
- Outcome
- assimilate to the sinke1
- Direction
- moree1
- Comparator
- basal leavese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“upper leaves contributes more assimilate to the sink than the basal leaves”
Claim · model-written summary
Basal 2 leaves defoliated plants gave the highest seed yield (5.75 g per plant), followed by the control (5.49 g per plant).
- Taxon
- mungbeanVigna radiatat0
- Treatment
- basal 2 leaves defoliatede1
- Outcome
- highest seed yielde1
- Direction
- higheste1
- Value
- 5.75 g plant-1e1
- Qualifier
- 5.49 g plant-1e1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“basal 2 leaves defoliated plants which resulted the highest seed yield (5.75 g plant-1) followed by control (5.49 g plant-1)”
Claim · model-written summary
Top 5 defoliated plants produced the lowest seed yield (1.21 g per plant).
- Taxon
- mungbeanVigna radiatat0
- Treatment
- top 5 defoliated plantse1
- Outcome
- lowest seed yielde1
- Direction
- loweste1
- Value
- 1.21 g plant-1e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean”
e1“top 5 defoliated plants and produced the lowest seed yield (1.21 g plant-1)”
Claim · model-written summary
Uniculm mungbean plants tolerate loss of the basal 2 leaves of the canopy during the reproductive stage.
- Taxon
- mungbeanVigna radiatae1
- Organ / stage
- reproductive stagee1
- Outcome
- tolerate basal 2 leaves losse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“uniculm mungbean plant tolerate basal 2 leaves loss in the canopy during reproductive stage”
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