Abstract
Enduring resistance based on partial resistance is very noteworthy and successful way to combat against the stripe rust dilemma (Puccinia striiformis West. tritici) in wheat crop. For this purpose, field-based screening to evaluate partial resistance is very important for the plant breeders of developing countries, who usually handle hundreds of lines at a time. A two years study was conducted during 2005-2007 to determine variability for field based-partial resistance against stripe rust among 188 wheat breeding lines grown at the experimental area of the PMAS - Arid Agriculture University, Rawalpindi, along with Morocco as susceptible check. The wheat lines and commercial varieties were tested in the field under natural climatic conditions of arid zone of Pakistan. Average Coefficient of Infection (ACI) and Relative Resistance Index (RRI) values of two-year trial showed that out of 188 cultivars, 150 responded with RRI value ≥7 ≤9 and were found in the desirable range; 28 cultivars were included among the acceptable range having RRI value ≥5 ≤ 7. However, only 10 cultivars showed RRI value <5 and were placed under undesirable range.
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Claims 3
Claim · model-written summary
150 of 188 wheat lines responded with RRI value ≥7 ≤9 and fell in the desirable range.
- Taxon
- wheat
Triticum aestivume0 - Interactor
- Puccinia striiformis
Puccinia striiformise0pathogen - Outcome
- RRI valuee1
- Value
- 150e1
- Qualifier
- desirable rangee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Enduring resistance based on partial resistance is very noteworthy and successful way to combat against the stripe rust dilemma (Puccinia striiformis West. tritici) in wheat crop”
e1“out of 188 cultivars, 150 responded with RRI value ≥7 ≤9 and were found in the desirable range”
Claim · model-written summary
28 wheat lines fell in the acceptable range with RRI value ≥5 ≤ 7.
- Taxon
- wheatTriticum aestivume0
- Interactor
- Puccinia striiformisPuccinia striiformise0pathogen
- Outcome
- RRI valuee2
- Value
- 28e2
- Qualifier
- acceptable rangee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Enduring resistance based on partial resistance is very noteworthy and successful way to combat against the stripe rust dilemma (Puccinia striiformis West. tritici) in wheat crop”
e2“28 cultivars were included among the acceptable range having RRI value ≥5 ≤ 7”
Claim · model-written summary
Only 10 wheat lines showed RRI value <5 and were placed in the undesirable range.
- Taxon
- wheatTriticum aestivume0
- Interactor
- Puccinia striiformisPuccinia striiformise0pathogen
- Outcome
- RRI valuee3
- Value
- 10e3
- Qualifier
- undesirable rangee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Enduring resistance based on partial resistance is very noteworthy and successful way to combat against the stripe rust dilemma (Puccinia striiformis West. tritici) in wheat crop”
e3“only 10 cultivars showed RRI value <5 and were placed under undesirable range”