Abstract
Primary leaves of 4‐day‐old, dark‐grown mung bean [ Vigna radiata (L.) Wilczek cv. Berken] seedlings were exposed to 24 h of white light (200 μmol m −2 s −1 ) which was terminated by a 15 min, phytochrome‐saturating red or far‐red light exposure. Phytochrome content (in vivo and in vitro) and leaf area were monitored during the subsequent dark period. Red light treatments resulted in lower phytochrome content and greater leaf expansion than did far‐red treatments. Phytochrome accumulation and leaf expansion were less in norflurazon‐ (no carotenoids and very low Chl) than in tentoxin‐ (very low Chl) treated leaves. After 3 days of darkness, leaf expansion was about 25% greater and phytochrome content was about 50% less in red‐ than in far‐red‐treated leaves of all treatments. These effects generally took longer to develop in norflurazon‐ than in tentoxin‐treated tissues. Norflurazon‐treated tissues exposed to long white light periods apparently do not as accurately reflect phytochrome‐controlled photomorphogenic events of green tissues as do tentoxin‐treated tissues of mung bean seedlings.
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Claims 8
Claim · model-written summary
Red light yielded lower phytochrome content than far-red light.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Material
- cv. Berkene0
- Treatment
- Red light treatmentse1
- Outcome
- phytochrome contente1
- Direction
- lowere1
- Comparator
- far‐red treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“Red light treatments resulted in lower phytochrome content and greater leaf expansion than did far‐red treatments”
Claim · model-written summary
Red light yielded greater leaf expansion than far-red light.
- Taxon
- mung beanVigna radiatae0
- Material
- cv. Berkene0
- Treatment
- Red light treatmentse1
- Outcome
- leaf expansione1
- Direction
- greatere1
- Comparator
- far‐red treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“Red light treatments resulted in lower phytochrome content and greater leaf expansion than did far‐red treatments”
Claim · model-written summary
Norflurazon-treated leaves accumulated less phytochrome than tentoxin-treated leaves.
- Taxon
- mung beanVigna radiatae0
- Treatment
- norflurazone1
- Outcome
- Phytochrome accumulatione1
- Direction
- lesse1
- Comparator
- tentoxine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“Phytochrome accumulation and leaf expansion were less in norflurazon‐ (no carotenoids and very low Chl) than in tentoxin‐ (very low Chl) treated leaves”
Claim · model-written summary
Norflurazon-treated leaves expanded less than tentoxin-treated leaves.
- Taxon
- mung beanVigna radiatae0
- Treatment
- norflurazone1
- Outcome
- leaf expansione1
- Direction
- lesse1
- Comparator
- tentoxine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“Phytochrome accumulation and leaf expansion were less in norflurazon‐ (no carotenoids and very low Chl) than in tentoxin‐ (very low Chl) treated leaves”
Claim · model-written summary
After three dark days, red treatment yielded about 25% greater leaf expansion than far-red treatment.
- Taxon
- mung beanVigna radiatae0
- Treatment
- red‐e1
- Outcome
- leaf expansione1
- Direction
- greatere1
- Value
- 25%e1
- Qualifier
- After 3 days of darknesse1
- Comparator
- far‐red‐treated leavese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“After 3 days of darkness, leaf expansion was about 25% greater and phytochrome content was about 50% less in red‐ than in far‐red‐treated leaves of all treatments”
Claim · model-written summary
After three dark days, red treatment yielded about 50% less phytochrome than far-red treatment.
- Taxon
- mung beanVigna radiatae0
- Treatment
- red‐e1
- Outcome
- phytochrome contente1
- Direction
- lesse1
- Value
- 50%e1
- Qualifier
- After 3 days of darknesse1
- Comparator
- far‐red‐treated leavese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“After 3 days of darkness, leaf expansion was about 25% greater and phytochrome content was about 50% less in red‐ than in far‐red‐treated leaves of all treatments”
Claim · model-written summary
These red versus far-red effects took longer to develop in norflurazon-treated tissue than in tentoxin-treated tissue.
- Taxon
- mung beanVigna radiatae0
- Treatment
- norflurazone1
- Outcome
- effectse1
- Direction
- longere1
- Comparator
- tentoxine1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean [ Vigna radiata (L.) Wilczek cv. Berken]”
e1“These effects generally took longer to develop in norflurazon‐ than in tentoxin‐treated tissues”
Claim · model-written summary
Tentoxin-treated tissues better reflected phytochrome-controlled photomorphogenic events of green tissues than norflurazon-treated tissues.
- Taxon
- mung beanVigna radiatae0
- Treatment
- tentoxin‐treated tissuese1
- Outcome
- accurately reflect phytochrome‐controlled photomorphogenic eventse1
- Comparator
- Norflurazon‐treated tissuese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mung bean seedlings”
e1“Norflurazon‐treated tissues exposed to long white light periods apparently do not as accurately reflect phytochrome‐controlled photomorphogenic events of green tissues as do tentoxin‐treated tissues of mung bean seedlings”
The same questions in other papers
light · growth · Vigna radiata (mung bean)Positive and negative results
11 papers in the same direction as this paper · 8 in the opposite direction
- negative
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16 papers more in this group
See all 20 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.