Abstract
Abstract Yellow leaf curl disease caused by pepper yellow leaf curl virus (PepYLCV) and transmitted by the whitefly ( Bemisia tabaci ), becomes the main problem in major horticultural crops, including chili pepper. The control of the insect vector is crucial to overwhelm the diseases. The experiment was designed to verify the efficacy of integrated vector and virus control focused on barrier crops and healthy seedling techniques on chili pepper to reduce whitefly crowdedness, the prevalence of the virus, and crop yield. This experiment used a randomized block design. The treatments were two kinds of seedlings, with and without seedling cover, combined with four kinds of borders i.e., maize, Sunn–hemp, screen (chiffon), and control (non-border). The result indicated that the use of protected seedlings was able to defend against the attack of B. tabaci and delay virus infection for about 2 weeks. The use of protected seedlings together with barrier crops (maize and sunn-hemp) reduced the number of pests, and PepYLCV damage up to 49.94 – 50.80%, and gave the highest yields. The positive correlation (r) between the population of B. tabaci and disease incidence was 0.925, whereas the correlation between disease incidence and yield crop was negative (r = -0.8886). These results will provide an advance of more valuable and practical methods for safeguarding chili pepper production.
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Claims 5
Claim · model-written summary
Protected seedlings delayed virus infection by about two weeks and defended against whitefly attack.
- Treatment
- protected seedlingse0
- Interactor
- B. tabaci
Bemisia tabacie0pest - Outcome
- virus infectione0
- Direction
- delaye0
- Value
- about 2 weekse0
CapsicumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The result indicated that the use of protected seedlings was able to defend against the attack of B. tabaci and delay virus infection for about 2 weeks.”
t0“Seedling protection and barrier crops in chili pepper to reduce whitefly denseness and prevalence of pepper yellow leaf curl virus”
Claim · model-written summary
Protected seedlings and maize or sunn-hemp barriers reduced pests and virus damage by up to 49.94–50.80%.
- Treatment
- protected seedlings together with barrier crops (maize and sunn-hemp)e0
- Interactor
- PepYLCVe0pathogen
- Outcome
- PepYLCV damagee0
- Direction
- reducede0
- Value
- 49.94 – 50.80%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of protected seedlings together with barrier crops (maize and sunn-hemp) reduced the number of pests, and PepYLCV damage up to 49.94 – 50.80%, and gave the highest yields.”
t0“Seedling protection and barrier crops in chili pepper to reduce whitefly denseness and prevalence of pepper yellow leaf curl virus”
Claim · model-written summary
Protected seedlings with maize or sunn-hemp barriers gave the highest yields.
- Treatment
- protected seedlings together with barrier crops (maize and sunn-hemp)e0
- Outcome
- yieldse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of protected seedlings together with barrier crops (maize and sunn-hemp) reduced the number of pests, and PepYLCV damage up to 49.94 – 50.80%, and gave the highest yields.”
t0“Seedling protection and barrier crops in chili pepper to reduce whitefly denseness and prevalence of pepper yellow leaf curl virus”
Claim · model-written summary
Whitefly population was positively correlated with disease incidence (r=0.925).
- Interactor
- B. tabaciBemisia tabacie0pest
- Outcome
- disease incidencee0
- Direction
- positivee0
- Value
- 0.925e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The positive correlation (r) between the population of B. tabaci and disease incidence was 0.925, whereas the correlation between disease incidence and yield crop was negative (r = -0.8886).”
t0“Seedling protection and barrier crops in chili pepper to reduce whitefly denseness and prevalence of pepper yellow leaf curl virus”
Claim · model-written summary
Disease incidence was negatively correlated with crop yield (r=-0.8886).
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The positive correlation (r) between the population of B. tabaci and disease incidence was 0.925, whereas the correlation between disease incidence and yield crop was negative (r = -0.8886).”
t0“Seedling protection and barrier crops in chili pepper to reduce whitefly denseness and prevalence of pepper yellow leaf curl virus”
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