Abstract
Wheat infested with the rusty grain beetle ( Cryptolestes ferrugineus ) was held for varying numbers of weeks at temperatures of -5°, 0°, 5°, 10°, and 15°C in separate tests. Survival of the immature stages (eggs, larvae and pupae) of the beetle declined each week at each temperature. The LT50 and LT99 were determined for each of the temperatures except for -5°C where 100 % mortality was observed in a 1- to 2-week period of exposure.
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Claims 2
Claim · model-written summary
Immature rusty grain beetle survival declined each week at every tested temperature.
- Taxon
- Wheat
Triticum aestivume1 - Treatment
- each temperaturee0
- Interactor
- rusty grain beetlet0pest
- Outcome
- Survival of the immature stages (eggs, larvae and pupae) of the beetlee0
- Direction
- declinede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Survival of the immature stages (eggs, larvae and pupae) of the beetle declined each week at each temperature”
t0“the rusty grain beetle, Cryptolestes ferrugineus”
e1“Wheat infested with the rusty grain beetle”
Claim · model-written summary
Exposure at -5°C caused 100 % mortality of immature beetles within one to two weeks.
- Taxon
- WheatTriticum aestivume1
- Treatment
- -5°Ce0
- Interactor
- rusty grain beetlet0pest
- Outcome
- mortalitye0
- Value
- 100 %e0
- Qualifier
- 1- to 2-week period of exposuree0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“-5°C where 100 % mortality was observed in a 1- to 2-week period of exposure”
t0“the rusty grain beetle, Cryptolestes ferrugineus”
e1“Wheat infested with the rusty grain beetle”