Abstract
Abstract Twenty‐four cotton varieties and advance breeding lines were evaluated for their resistance to cotton leaf curl disease (CLCuD; Multan/Burewala) under natural field and in glasshouse conditions for two consecutive years. Resistance was based on symptom expression and disease severity index. All the cotton genotypes exposed to the vector whitefly in the field and artificially infected by grafting manifested a high level of resistance against CLCuD (Multan) with the exception of genotype NIAB‐999 that was moderately resistant. All the test varieties/breeding lines were highly susceptible to CLCuD (Burewala) both in the field and the glasshouse. However, substantial differences were noted between genotypes for disease index under field conditions. Graft inoculation studies showed that all genotypes inoculated with CLCuD (Burewala) developed disease within 9–13 days whereas those graft‐inoculated with CLCuD (Multan) developed symptoms from 15 to 22 days after grafting. Severe reduction occurred in plant morphology, fibre and yield parameters of cotton variety NIAB‐111 following inoculation with CLCuD (Burewala) as compared with CLCuD (Multan).
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Claims 7
Claim · model-written summary
Most cotton genotypes had high resistance to CLCuD (Multan) in field and graft tests.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- CLCuD (Multan)e0
- Interactor
- whiteflye0pest
- Outcome
- resistancee0
- Direction
- high levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the cotton genotypes exposed to the vector whitefly in the field and artificially infected by grafting manifested a high level of resistance against CLCuD (Multan)”
Claim · model-written summary
NIAB‐999 was moderately resistant to CLCuD (Multan).
- Taxon
- cottonGossypium hirsutumt0
- Material
- NIAB‐999e0
- Outcome
- resistante0
- Direction
- moderately resistante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with the exception of genotype NIAB‐999 that was moderately resistant”
t0“Cotton”
Claim · model-written summary
All tested cotton genotypes were highly susceptible to CLCuD (Burewala) in field and glasshouse.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- susceptible to CLCuD (Burewala)e0
- Direction
- highly susceptiblee0
- Setting
- field and the glasshousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the test varieties/breeding lines were highly susceptible to CLCuD (Burewala) both in the field and the glasshouse.”
t0“Cotton”
Claim · model-written summary
Cotton genotypes differed substantially in field disease index.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- disease indexe0
- Direction
- substantial differencese0
- Setting
- field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“substantial differences were noted between genotypes for disease index under field conditions”
t0“Cotton”
Claim · model-written summary
Burewala inoculation produced disease in all genotypes within 9–13 days.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- CLCuD (Burewala)e0
- Outcome
- developed diseasee0
- Value
- 9–13 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all genotypes inoculated with CLCuD (Burewala) developed disease within 9–13 days”
t0“Cotton”
Claim · model-written summary
Multan inoculation produced symptoms 15 to 22 days after grafting.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- CLCuD (Multan)e0
- Outcome
- developed symptomse0
- Value
- 15 to 22 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those graft‐inoculated with CLCuD (Multan) developed symptoms from 15 to 22 days after grafting”
t0“Cotton”
Claim · model-written summary
Burewala inoculation severely reduced NIAB‐111 morphology, fibre and yield parameters relative to Multan.
- Taxon
- cottonGossypium hirsutume0
- Material
- NIAB‐111e0
- Treatment
- inoculation with CLCuD (Burewala)e0
- Outcome
- plant morphology, fibre and yield parameterse0
- Direction
- Severe reductione0
- Comparator
- CLCuD (Multan)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe reduction occurred in plant morphology, fibre and yield parameters of cotton variety NIAB‐111 following inoculation with CLCuD (Burewala) as compared with CLCuD (Multan)”
The same questions in other papers
inoculation · quality: grain · Gossypium hirsutum (cotton)Positive and negative results
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See all 12 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.