Abstract
The experiment was set up as a split plot design, with four replications. White and naturally colored cotton of 4 varieties/lines, each was cultivated in monoculture, and with perimeter trap cropping and row intercropping with okra and castor bean at Thong Pha Phom, Kanchanaburi and with okra , and sunflower and castor bean at Nakhon Ratchasima Field Crop Research Center during the dry and late rainy seasons of the year 2008 respectively. The populations of leafhopper (Amrasca biguttula Ishida) were recorded from top and bottom leaves 30, 60 and 75 DAP (days after planting) and expressed as an average number / 2 leaves. The plots with trap crops were found to decrease in a number of leafhopper while yields increased comparing to the sole cotton in every variety/line. Choice test on oviposition preference was undertaken in the nylon cages holding 10 plants of each cotton variety/line exposed together to 20 leafhopper females for 2 weeks. The results from 20 leaves of each showed more egg numbers in the lateral vein than in the mid vein with no significant differences among test varieties/lines.
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Claims 4
Claim · model-written summary
Trap crops reduced cotton leafhopper numbers relative to sole cotton across varieties and lines.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- trap cropse0
- Interactor
- leafhoppere0pest
- Outcome
- number of leafhoppere0
- Direction
- decreasee0
- Comparator
- sole cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plots with trap crops were found to decrease in a number of leafhopper while yields increased comparing to the sole cotton in every variety/line”
t0“cotton leafhopper population”
Claim · model-written summary
Trap crops increased cotton yields relative to sole cotton across varieties and lines.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- trap cropse0
- Outcome
- yieldse0
- Direction
- increasede0
- Comparator
- sole cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plots with trap crops were found to decrease in a number of leafhopper while yields increased comparing to the sole cotton in every variety/line”
t0“cotton leafhopper population”
Claim · model-written summary
Cotton leafhoppers laid more eggs in lateral than mid veins.
- Taxon
- cottonGossypium hirsutumt0
- Organ / stage
- lateral veine0
- Interactor
- leafhoppert0pest
- Outcome
- egg numberse0
- Direction
- moree0
- Comparator
- mid veine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“more egg numbers in the lateral vein than in the mid vein”
t0“cotton leafhopper population”
Claim · model-written summary
Cotton leafhopper egg counts did not differ significantly among tested cotton varieties or lines.
- Taxon
- cottonGossypium hirsutumt0
- Material
- varieties/linese0
- Interactor
- leafhoppert0pest
- Outcome
- oviposition preferencet0
- Direction
- no significant differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences among test varieties/lines”
t0“cotton leafhopper population and its oviposition preference”
The same questions in other papers
trap barrier · yield · Gossypium hirsutum (cotton)Results agree
5 papers in the same direction as this paper
- positive
- positive
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2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.