Abstract
SUMMARY An autumn and spring spray programme of copper (as a proprietary wettable Bordeaux) was compared with a similar programme with an organomercury (PMC) fungicide for the control of apple canker caused by Nectria galligena in three successive years. Inoculum was provided prior to the spray applications and no cankers were removed during the trial. Fewer cankers developed on the trees receiving mercury sprays than on those sprayed with copper in each of the three seasons 1968 to 1970. However, spore counts made from rain run‐off revealed a relatively higher inoculum on the mercury sprayed trees, which might constitute a hazard when the protective effect of the sprays ceased.
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Claims 2
Claim · model-written summary
Fewer cankers developed on apple trees sprayed with mercury than on trees sprayed with copper in each of three seasons.
- Taxon
- apple
Malus domesticae0 - Treatment
- mercury sprayse1
- Interactor
- Nectria galligena
Neonectria galligenae0pathogen - Outcome
- cankerse1
- Direction
- Fewere1
- Comparator
- coppere1
- Setting
- three seasons 1968 to 1970e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An autumn and spring spray programme of copper (as a proprietary wettable Bordeaux) was compared with a similar programme with an organomercury (PMC) fungicide for the control of apple canker caused by Nectria galligena in three successive years”
e1“Fewer cankers developed on the trees receiving mercury sprays than on those sprayed with copper in each of the three seasons 1968 to 1970”
Claim · model-written summary
Spore counts from rain run-off were higher on apple trees sprayed with mercury.
- Taxon
- appleMalus domesticae0
- Treatment
- mercury sprayed treese2
- Interactor
- Nectria galligenaNeonectria galligenae0pathogen
- Outcome
- spore countse2
- Direction
- highere2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An autumn and spring spray programme of copper (as a proprietary wettable Bordeaux) was compared with a similar programme with an organomercury (PMC) fungicide for the control of apple canker caused by Nectria galligena in three successive years”
e2“spore counts made from rain run-off revealed a relatively higher inoculum on the mercury sprayed trees”
The same questions in other papers
mercury atom · Neonectria galligena · Malus domestica (apple)Results agree
1 paper in the same direction as this paper
- positive
application · Neonectria galligena · Malus domestica (apple)Results agree
2 papers in the same direction as this paper
- 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.