Abstract
The initiation and subsequent growth of adventitious roots in excised first internodes of Sorghum vulgare var. Wheatland milo were studied to determine the effect of these processes on anthocyanin biosyntheses. Segmentation of the internodes inhibited both adventitious root growth and accumulation of cyanidin equally in all segments; these results can be interpreted as a common requirement for bidirectional longitudinal transport. The presence of the coleoptile, especially in the absence of the base of the internode, inhibited the growth of the roots, but increased the number of root initials. High intensities of white and blue light which induced cyanidin synthesis slightly decreased adventitious root growth. Anaerobic conditions produced by solution infiltration strongly inhibited the growth of adventitious roots and greatly increased the accumulation of apigeninidin and luteolinidin. Addition of indoleacetic acid, kinetin and cofactors such as pyridoxine produced effects on the initiation and subsequent growth of these roots similar to those effects reported in the literature. But unlike root formation in hypocotyls, the initiation of adventitious roots in Sorghum internodes was not always directly correlated with the accumulation of anthocyanins, and the subsequent growth of these roots was frequently inversely correlated with some of the anthocyanin biosyntheses. The possible nature of these correlations is discussed. Comparisons are made with related Sorghum lines and mutants.
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Claims 10
Claim · model-written summary
Internode segmentation inhibited adventitious root growth.
- Taxon
- Sorghum vulgare
Sorghum bicolore7 - Organ / stage
- internodese0
- Treatment
- Segmentation of the internodese0
- Outcome
- adventitious root growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Segmentation of the internodes inhibited both adventitious root growth and accumulation of cyanidin equally in all segments”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
Internode segmentation inhibited cyanidin accumulation equally in all segments.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Organ / stage
- internodese0
- Treatment
- Segmentation of the internodese0
- Outcome
- accumulation of cyanidine0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Segmentation of the internodes inhibited both adventitious root growth and accumulation of cyanidin equally in all segments”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
The coleoptile inhibited root growth, especially without the internode base.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- presence of the coleoptilee0
- Outcome
- growth of the rootse0
- Direction
- inhibitede0
- Qualifier
- especially in the absence of the base of the internodee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of the coleoptile, especially in the absence of the base of the internode, inhibited the growth of the roots”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
The coleoptile increased the number of root initials.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- presence of the coleoptilee0
- Outcome
- number of root initialse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of the coleoptile, especially in the absence of the base of the internode, inhibited the growth of the roots, but increased the number of root initials”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
High intensity white and blue light induced cyanidin synthesis.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- High intensities of white and blue lighte0
- Outcome
- cyanidin synthesise0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High intensities of white and blue light which induced cyanidin synthesis slightly decreased adventitious root growth”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
High intensity white and blue light slightly decreased adventitious root growth.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- High intensities of white and blue lighte0
- Outcome
- adventitious root growthe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High intensities of white and blue light which induced cyanidin synthesis slightly decreased adventitious root growth”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
Anaerobic conditions from solution infiltration strongly inhibited adventitious root growth.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- Anaerobic conditions produced by solution infiltratione0
- Outcome
- growth of adventitious rootse0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Anaerobic conditions produced by solution infiltration strongly inhibited the growth of adventitious roots and greatly increased the accumulation of apigeninidin and luteolinidin”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
Anaerobic conditions greatly increased apigeninidin and luteolinidin accumulation.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Treatment
- Anaerobic conditions produced by solution infiltratione0
- Outcome
- accumulation of apigeninidin and luteolinidine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Anaerobic conditions produced by solution infiltration strongly inhibited the growth of adventitious roots and greatly increased the accumulation of apigeninidin and luteolinidin”
e7“Sorghum vulgare var. Wheatland milo”
Claim · model-written summary
Root initiation was not always directly correlated with anthocyanin accumulation.
- Organ / stage
- internodese0
- Outcome
- initiation of adventitious rootse0
- Qualifier
- not always directly correlated with the accumulation of anthocyaninse0
SorghumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the initiation of adventitious roots in Sorghum internodes was not always directly correlated with the accumulation of anthocyanins”
Claim · model-written summary
Subsequent adventitious root growth was frequently inversely correlated with some anthocyanin biosyntheses.
- Taxon
- Sorghum vulgareSorghum bicolore7
- Organ / stage
- rootse0
- Outcome
- subsequent growth of these rootse0
- Direction
- inversely correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the subsequent growth of these roots was frequently inversely correlated with some of the anthocyanin biosyntheses”
e7“Sorghum vulgare var. Wheatland milo”
The same questions in other papers
light · growth · Sorghum bicolor (sorghum)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
light · molecular: metabolites · Sorghum bicolor (sorghum)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.