Abstract
A field experiment was conducted at Ludhiana, Punjab, for two years (2006-07 and 2007-08) to study the ef- fect of varying population levels viz., 0, 10, 15, 25, 50, 75, 100, 125, 150, 200, 250 and a solid stand of Phalaris minor on the production potential of wheat ( Triticum aestivum L. emend Fiori and Paol) crop and also to find out the critical threshold level of Phalaris minor. In the experiment Phalaris minor population was deliberately main- tained in wheat crop after 30 days of sowing. As the population density of Phalaris minor increased, the dry mat- ter production, number of tillers as well as effective tillers and ultimately yield of wheat decreased exponentially. Even the presence of 15 plants/m2 Phalaris minor resulted in significant decrease (14%) in wheat yield. Reduc- tion in wheat yield was mainly attributed to reduction in the number of effective tillers, lesser grains/spike and lower 1,000-grain weight.
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Claims 4
Claim · model-written summary
Increasing Phalaris minor density decreased wheat dry matter and tiller numbers exponentially.
- Taxon
- wheat
Triticum aestivume0 - Interactor
- Phalaris minor
.jpg?width=60)
Phalaris minore0weed - Outcome
- dry mat- ter production, number of tillers as well as effective tillerse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“As the population density of Phalaris minor increased, the dry mat- ter production, number of tillers as well as effective tillers and ultimately yield of wheat decreased exponentially.”
Claim · model-written summary
Increasing Phalaris minor density decreased wheat yield exponentially.
- Taxon
- wheatTriticum aestivume0
- Interactor
- Phalaris minorPhalaris minore0weed
- Outcome
- yield of wheate0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As the population density of Phalaris minor increased, the dry mat- ter production, number of tillers as well as effective tillers and ultimately yield of wheat decreased exponentially.”
Claim · model-written summary
15 Phalaris minor plants per square meter reduced wheat yield by 14%.
- Taxon
- wheatTriticum aestivume0
- Treatment
- presence of 15 plants/m2 Phalaris minore0
- Interactor
- Phalaris minorPhalaris minore0weed
- Outcome
- wheat yielde0
- Direction
- decreasee0
- Value
- 14%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Even the presence of 15 plants/m2 Phalaris minor resulted in significant decrease (14%) in wheat yield.”
Claim · model-written summary
Yield reduction was attributed to fewer effective tillers, fewer grains per spike and lower 1,000-grain weight.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- Phalaris minorPhalaris minore1weed
- Outcome
- wheat yielde0
- Qualifier
- reduction in the number of effective tillers, lesser grains/spike and lower 1,000-grain weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat yield was mainly attributed to reduction in the number of effective tillers, lesser grains/spike and lower 1,000-grain weight.”
e1“population density of Phalaris minor increased”
t0“wheat (Triticum aestivum)”
The same questions in other papers
Phalaris minor · yield · Triticum aestivum (wheat)Positive and negative results
1 paper in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
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.