Abstract
During the past three years, stripe rust has been a serious problem for California wheal growers. Several varieties introduced from Mexico under the continuing University of California cereal variety improvement program have been found to provide some protection from the disease. In California tests these varieties produced excellent yields in the presence of stripe rust and in general have equalled established California varieties in yield and agronomic characteristics when stripe rust was not a problem. Although tests in cooperation with the California milling industry have shown the re. sistant or tolerant Mexican varieties to be somewhat deficient in quality, they can be used when they meet the standards normally required by the milling industry. These deficiencies apparently are no greater than those existing in currently used California varieties. Until more information on their general acceptability is available, production of these varieties probably should be limited to districts with recurrent heavy losses frcm stripe rust. Programs to develop varieties which are resistant to stripe rust and more acceptable in other characteristics are underway.
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Claims 7
Claim · model-written summary
Varieties introduced from Mexico were found to provide some protection from stripe rust.
- Taxon
- wheat
Triticum aestivumt0 - Material
- varieties introduced from Mexicoe0
- Interactor
- stripe rustt0pathogen
- Outcome
- protectione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e0“Several varieties introduced from Mexico under the continuing University of California cereal variety improvement program have been found to provide some protection from the disease”
Claim · model-written summary
Mexican varieties produced excellent yields in the presence of stripe rust.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- stripe ruste1pathogen
- Outcome
- yieldse1
- Qualifier
- in the presence of stripe ruste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e1“these varieties produced excellent yields in the presence of stripe rust”
Claim · model-written summary
Mexican varieties in general equalled established California varieties in yield and agronomic characteristics when stripe rust was not a problem.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- yield and agronomic characteristicse2
- Direction
- equallede2
- Qualifier
- when stripe rust was not a probleme2
- Comparator
- established California varietiese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e2“in general have equalled established California varieties in yield and agronomic characteristics when stripe rust was not a problem”
Claim · model-written summary
Tolerant Mexican varieties were shown to be somewhat deficient in quality.
- Taxon
- wheatTriticum aestivumt0
- Material
- tolerant Mexican varietiese3
- Outcome
- qualitye3
- Direction
- somewhat deficiente3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e3“have shown the re. sistant or tolerant Mexican varieties to be somewhat deficient in quality”
Claim · model-written summary
The quality deficiencies of the Mexican varieties are apparently no greater than those of currently used California varieties.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- deficienciese4
- Direction
- no greatere4
- Comparator
- currently used California varietiese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e4“These deficiencies apparently are no greater than those existing in currently used California varieties”
Claim · model-written summary
The authors recommend that production of these varieties should be limited to districts with recurrent heavy stripe rust losses.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- production of these varieties probably should be limited to districts with recurrent heavy lossese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e5“production of these varieties probably should be limited to districts with recurrent heavy losses”
Claim · model-written summary
The authors state that the varieties can be used when they meet the milling industry standards.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- can be usede6
- Qualifier
- when they meet the standards normally required by the milling industrye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“New wheat variety introductions reduce stripe rust losses”
e6“they can be used when they meet the standards normally required by the milling industry”