Abstract
Cauliflower mosaic in south‐west England is most prevalent where there is a sequence of brassica crops that overlap in time. Broccoli yields can be increased by using plants raised in seed‐beds separated by half a mile from old infected plants. Surrounding seed‐beds with crops of kale or barley decreased the incidence of mosaic even when the seed‐beds were only 5 yd. from infected plants. Most plants infected at harvest contract infection after transplanting. A plant infected in the seed‐bed or early in the growing season can produce a group of infected plants immediately around it, and almost as many farther away. Spread can occur in the same pattern from these secondarily infected plants. Loss of yield is correlated with the time plants are infected. Plants infected as seedlings produce little or no curd or seed, whereas those infected when nearing maturity yield almost as well as uninfected plants. The movement of alate aphids is positively correlated with the numbers of infectedplants, and symptoms in field plants generally appear 8–9 weeks after infection. Cauliflower mosaic virus occurs in strains distinguishable by the severity of symptoms they cause.
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Claims 12
Claim · model-written summary
Cauliflower mosaic was most prevalent where overlapping brassica crops occurred in sequence.
- Taxon
- Broccoli
Brassica oleracea var. italicat0 - Treatment
- a sequence of brassica crops that overlap in timee0
- Interactor
- Cauliflower mosaice0pathogen
- Outcome
- Cauliflower mosaice0
- Direction
- most prevalente0
- Setting
- south‐west Englande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cauliflower mosaic in south‐west England is most prevalent where there is a sequence of brassica crops that overlap in time”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Broccoli yield increased when seedlings were raised half a mile from infected plants.
- Taxon
- BroccoliBrassica oleracea var. italicae0
- Treatment
- plants raised in seed‐beds separated by half a mile from old infected plantse0
- Interactor
- old infected plantse0other
- Outcome
- Broccoli yieldse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Broccoli yields can be increased by using plants raised in seed‐beds separated by half a mile from old infected plants”
Claim · model-written summary
Surrounding seed beds with kale or barley decreased mosaic incidence, even five yards from infected plants.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Treatment
- Surrounding seed‐beds with crops of kale or barleye0
- Interactor
- mosaice0pathogen
- Outcome
- incidence of mosaice0
- Direction
- decreasede0
- Qualifier
- only 5 yd. from infected plantse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Surrounding seed‐beds with crops of kale or barley decreased the incidence of mosaic even when the seed‐beds were only 5 yd. from infected plants”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Most plants infected at harvest acquired infection after transplanting.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Outcome
- infection after transplantinge0
- Qualifier
- infected at harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Most plants infected at harvest contract infection after transplanting”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
An early infected plant produced nearby and farther groups of infected plants.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Outcome
- a group of infected plants immediately around it, and almost as many farther awaye0
- Qualifier
- infected in the seed‐bed or early in the growing seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A plant infected in the seed‐bed or early in the growing season can produce a group of infected plants immediately around it, and almost as many farther away”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Secondarily infected plants showed the same spread pattern.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Outcome
- Spreade0
- Qualifier
- secondarily infected plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spread can occur in the same pattern from these secondarily infected plants”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Yield loss was correlated with infection time.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- time plants are infectede0
- Outcome
- Loss of yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Loss of yield is correlated with the time plants are infected”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Seedling infection led to little or no curd or seed production.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- seedlingse0
- Outcome
- curd or seede0
- Direction
- little or noe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants infected as seedlings produce little or no curd or seed”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Plants infected near maturity yielded almost as well as uninfected plants.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Organ / stage
- nearing maturitye0
- Outcome
- yielde0
- Direction
- almost as welle0
- Comparator
- uninfected plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those infected when nearing maturity yield almost as well as uninfected plants”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Alate aphid movement was positively correlated with the number of infected plants.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Interactor
- alate aphidse0pest
- Outcome
- movement of alate aphidse0
- Direction
- positively correlatede0
- Qualifier
- numbers of infectedplantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The movement of alate aphids is positively correlated with the numbers of infectedplants”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Field symptoms generally appeared 8–9 weeks after infection.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Outcome
- symptomse0
- Value
- 8–9 weekse0
- Setting
- field plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“symptoms in field plants generally appear 8–9 weeks after infection”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
Claim · model-written summary
Cauliflower mosaic virus strains differed in symptom severity.
- Taxon
- BroccoliBrassica oleracea var. italicat0
- Interactor
- Cauliflower mosaic virus
Cauliflower mosaic viruse0pathogen - Outcome
- severity of symptomse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cauliflower mosaic virus occurs in strains distinguishable by the severity of symptoms they cause”
t0“BROCCOLI IN SOUTH‐WEST ENGLAND”
The same questions in other papers
Brassica oleracea var. viridis · disease · Brassica oleracea (wild cabbage)Results agree
2 papers in the same direction as this paper
- positive
- positive
infection · yield · Brassica oleracea (wild cabbage)Positive and negative results
1 paper in the same direction as this paper · 3 in the opposite direction
- negative
- no effect
- negative
1 paper more in this group
See all 5 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.