Abstract
Pot experiments were conducted at the pot yard of Bangladesh Institute of Nuclear Agriculture, Mymensingh, Bangladesh, during the period, February to May 2007 and 2008 to investigate the effect of defoliations on morphological characters, yield and yield attributing characters in mungbean. Experiment consisted of nine defoliation treatments viz., control, 2, 3, 4, 5 leaves removal from base and from top out of 7 leaves, during flowering stage. Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation. But the decrement of seed yield was not significant up to basal three leaves defoliation. Contrarily, all these traits increased over the control in basal two leaves defoliation. The decrement due to defoliation was greater in top defoliation than the basal defoliation. These results indicate that upper leaves contributes more assimilate to the sink than the basal leaves. The basal two leaves defoliated plants produced the highest seed yield (5.85 g plant-1) due to greater morpho-physiological, reproductive and yield contributing characters whereas the lowest in top five leaves defoliated plants that produced the lowest seed yield (1.05 g plant-1).
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Claims 11
Claim · model-written summary
Increasing defoliation during flowering decreased plant height, leaf area and total dry biomass per plant compared with the control.
- Taxon
- mungbean
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Vigna radiatat0 - Organ / stage
- flowering stagee1
- Treatment
- increasing defoliatione2
- Outcome
- plant height, leaf area and total dry biomass plant-1e2
- Direction
- decreasede2
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e1“Experiment consisted of nine defoliation treatments viz., control, 2, 3, 4, 5 leaves removal from base and from top out of 7 leaves, during flowering stage”
e2“Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
Increasing defoliation decreased the number of raceme bearing nodes, rachis length and number of flowers per plant compared with the control.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- increasing defoliatione2
- Outcome
- number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1e2
- Direction
- decreasede2
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e2“Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
Increasing defoliation decreased reproductive efficiency, number of pods per plant and pod length compared with the control.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- increasing defoliatione2
- Outcome
- reproductive efficiency, number of pods plant-1, pod lengthe2
- Direction
- decreasede2
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e2“Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
Increasing defoliation decreased the number of seeds per pod, single pod weight and 100-seed weight compared with the control.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- increasing defoliatione2
- Outcome
- number of seeds pod-1, single pod weight, 100-seed weighte2
- Direction
- decreasede2
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e2“Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
Increasing defoliation decreased seed yield compared with the control.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- increasing defoliatione2
- Outcome
- seed yielde2
- Direction
- decreasede2
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e2“Results showed that plant height, leaf area and total dry biomass plant-1, number of raceme bearing nodes plant-1, rachis length, number of flowers plant-1, reproductive efficiency, number of pods plant-1, pod length, number of seeds pod-1, single pod weight, 100-seed weight and seed yield were decreased with increasing defoliation both from the base and top except the basal two leaves defoliation”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
Seed yield was not significantly reduced by defoliation of the basal three leaves.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- basal three leaves defoliatione3
- Outcome
- seed yielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e3“But the decrement of seed yield was not significant up to basal three leaves defoliation”
Claim · model-written summary
Defoliation of the basal two leaves increased all these traits compared with the control.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- basal two leaves defoliatione4
- Outcome
- all these traitse4
- Direction
- increasede4
- Comparator
- controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e4“Contrarily, all these traits increased over the control in basal two leaves defoliation”
Claim · model-written summary
The decrement due to top defoliation was greater than that due to basal defoliation.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- top defoliatione5
- Outcome
- decrement due to defoliatione5
- Direction
- greatere5
- Comparator
- basal defoliatione5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e5“The decrement due to defoliation was greater in top defoliation than the basal defoliation”
Claim · model-written summary
Upper leaves contribute more assimilate to the sink than basal leaves in mungbean.
- Taxon
- mungbeanVigna radiatat0
- Organ / stage
- upper leavese6
- Outcome
- assimilate to the sinke6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e6“These results indicate that upper leaves contributes more assimilate to the sink than the basal leaves”
Claim · model-written summary
Plants with the basal two leaves defoliated produced the highest seed yield, 5.85 g per plant, owing to greater morpho-physiological, reproductive and yield contributing characters.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- basal two leaves defoliatede7
- Outcome
- seed yielde7
- Direction
- higheste7
- Value
- 5.85 g plant-1e7
- Qualifier
- greater morpho-physiological, reproductive and yield contributing characterse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e7“The basal two leaves defoliated plants produced the highest seed yield (5.85 g plant-1) due to greater morpho-physiological, reproductive and yield contributing characters”
Claim · model-written summary
Plants with the top five leaves defoliated produced the lowest seed yield, 1.05 g per plant.
- Taxon
- mungbeanVigna radiatat0
- Treatment
- top five leaves defoliatede0
- Outcome
- seed yielde0
- Direction
- loweste0
- Value
- 1.05 g plant-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mungbean (Vigna radiata Wilczek)”
e0“whereas the lowest in top five leaves defoliated plants that produced the lowest seed yield (1.05 g plant-1)”
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