Abstract
Oats of the variety Condor were sown late (28 April) to encourage attack by frit fly. From an area of approximately 40 x 20 yd forty-five plots were sited at random using tables of random numbers, and divided into three series of fifteen plots (Fig. 1). Plots of series A were surrounded by straw barriers that had been dipped in 0-5% DDT; plots of series B were surrounded by similar DDT barriers, but the oats were also sprayed with 0.5% parathion solution on 6 May and 20 May; plots of series C were left unprotected and untreated. Five plots from each series were used to estimate the number of eggs laid by frit flies, five to estimate the number of plants damaged by larvae and five to estimate the number of adults that emerged. As the sprayed plots were almost undamaged by frit fly larvae, plants were not removed for examination and the plots were used to determine the number of flies emerging in the panicle generation and the yield of grain.
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Claims 1
Claim · model-written summary
Parathion sprayed oat plots were almost undamaged by frit fly larvae.
- Taxon
- oats
Avena sativae0 - Treatment
- sprayed with 0.5% parathion solutione0
- Interactor
- frit fly
Oscinella frite1pest - Outcome
- damaged by frit fly larvaee1
- Direction
- almost undamagede1
- Comparator
- unprotected and untreatede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the oats were also sprayed with 0.5% parathion solution on 6 May and 20 May”
e1“As the sprayed plots were almost undamaged by frit fly larvae”
e2“plots of series C were left unprotected and untreated”
t0“Frit Fly (Oscinella frit)”
The same questions in other papers
parathion · Oscinella frit · Avena sativa (oats)Results agree
2 papers in the same direction as this paper
- positive
- positive
application · Oscinella frit · Avena sativa (oats)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.