Abstract
The effects of temperature and relative humidity on stigma receptivity in a cytoplasmic male sterile wheat line were estimated by measuring per cent seed set on plants raised in controlled environments in the phytotron at Canberra. Three levels of temperature (26¦C day : 21¦C night, 18¦C : 13¦C, 10¦C : 5¦C) and two levels of humidity (75-90 per cent, 40-60 per cent) were combined with four times of pollination (1, 3, 5, and 7 days after flowering) in a factorial design. Stigma receptivity was maintained at a high level under moderate temperature and low humidity conditions. Mean seed set on plants pollinated seven days after flowering was 41.2 per cent at the moderate temperature compared with 0.5 per cent at the high temperature, and 43.2 per cent at the low humidity compared with 7.1 per cent at the high humidity. The effects of temperature and humidity were additive. With a moderate temperature-low humidity combination seed set was as high as 77.4 per cent on plants pollinated seven days after flowering. With the combination of high temperature and high humidity seed set decreased to 0.4 per cent on plants pollinated five days after flowering.
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Claims 6
Claim · model-written summary
Stigma receptivity remained high at moderate temperature and low humidity.
- Taxon
- wheat
Triticum aestivumt0 - Outcome
- Stigma receptivitye0
- Qualifier
- moderate temperature and low humidity conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stigma receptivity was maintained at a high level under moderate temperature and low humidity conditions.”
t0“wheat”
Claim · model-written summary
At seven days after flowering, seed set was 41.2% at moderate temperature versus 0.5% at high temperature.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- moderate temperaturee0
- Outcome
- seed sete0
- Direction
- higherinferrede0
- Value
- 41.2 per cente0
- Qualifier
- 0.5 per cente0
- Comparator
- high temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mean seed set on plants pollinated seven days after flowering was 41.2 per cent at the moderate temperature compared with 0.5 per cent at the high temperature”
t0“wheat”
Claim · model-written summary
At seven days after flowering, seed set was 43.2% at low humidity versus 7.1% at high humidity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- low humiditye0
- Outcome
- seed sete1
- Direction
- higherinferrede0
- Value
- 43.2 per cente0
- Qualifier
- 7.1 per cente0
- Comparator
- high humiditye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“43.2 per cent at the low humidity compared with 7.1 per cent at the high humidity”
t0“wheat”
e1“Mean seed set on plants pollinated seven days after flowering was 41.2 per cent at the moderate temperature compared with 0.5 per cent at the high temperature”
Claim · model-written summary
Temperature and humidity effects on seed set were additive.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- effects of temperature and humiditye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of temperature and humidity were additive.”
t0“wheat”
Claim · model-written summary
Seed set reached 77.4% at seven days under moderate temperature and low humidity.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- seed sete0
- Direction
- as high ase0
- Value
- 77.4 per cente0
- Qualifier
- moderate temperature-low humidity combinatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With a moderate temperature-low humidity combination seed set was as high as 77.4 per cent on plants pollinated seven days after flowering.”
t0“wheat”
Claim · model-written summary
Seed set decreased to 0.4% at five days under high temperature and high humidity.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- seed sete0
- Direction
- decreasede0
- Value
- 0.4 per cente0
- Qualifier
- high temperature and high humiditye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the combination of high temperature and high humidity seed set decreased to 0.4 per cent on plants pollinated five days after flowering.”
t0“wheat”
The same questions in other papers
humidity · yield · Triticum aestivum (wheat)Positive and negative results
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- negative
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See all 11 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.