Paper · 2011 · Journal of Tropical Organisms

Studies on Influenc ing Factors of Cassava Regeneration System

Qin Huang

11
claims
22
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

In this report, Varieties of SC6, SC7, SC8, SC124, NZ188, C3 and C4 were used as experimental materials, several significant factors which influence the regeneration system of cassava were studied. The results indicated that 6-BA had a significant inhibitory effect on apical dominance of cassava, the higher the concentration was, the stronger the inhibition effects was; 2,4-D and picloram had almost equal effects for promoting somatic embryogenesis, in the process of induction of primary somatic embryos, embryogenesis rate of all breeds reached 100%, except SC7 remained a low embryogenesis rate of secondary somatic embryos, embryogenesis rate of secondary somatic embryos of other varieties went up to 90%; the ripening time of somatic embryos had a great influence on the organogenesis of cotyledon, frequency of cotyledon organogenesis was higher around 2 weeks after embryo maturation and the induction frequency could be more than 70%; the somatic embryogenesis ratio and cotyledon organogenesis frequencies were very different among distinct genotypes,SC8 and NZ188 cultivar had the highest and second-highest frequency respectively,SC7 cultivar displayed the lowest frequency; The addition of AgNO3(5 mg·L-1) into subculture could help improving the organogenesis capacity of mature cotyledonary.

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Claims 11

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

6-BA significantly inhibited apical dominance of cassava, more strongly at higher concentration.

Treatment
6-BAe1
Outcome
apical dominancee1
Direction
inhibitory effecte1
Qualifier
the higher the concentration was, the stronger the inhibition effects wase1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e1

“The results indicated that 6-BA had a significant inhibitory effect on apical dominance of cassava, the higher the concentration was, the stronger the inhibition effects was”

✓ located verbatim in the source · abstract, characters 198–371 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

2,4-D and picloram promoted somatic embryogenesis of cassava to an almost equal extent.

Treatment
2,4-D and piclorame2
Outcome
somatic embryogenesise2
Direction
promotinge2
Qualifier
almost equal effectse2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e2

“2,4-D and picloram had almost equal effects for promoting somatic embryogenesis”

✓ located verbatim in the source · abstract, characters 373–452 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Primary somatic embryo induction gave an embryogenesis rate of 100% across all cassava breeds.

Material
all breedse3
Organ / stage
primary somatic embryose3
Outcome
embryogenesis ratee3
Value
100%e3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e3

“in the process of induction of primary somatic embryos, embryogenesis rate of all breeds reached 100%”

✓ located verbatim in the source · abstract, characters 454–555 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

SC7 had a low embryogenesis rate of secondary somatic embryos.

Material
SC7e4
Outcome
embryogenesis rate of secondary somatic embryose4
Qualifier
lowe4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e4

“except SC7 remained a low embryogenesis rate of secondary somatic embryos”

✓ located verbatim in the source · abstract, characters 557–630 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Secondary somatic embryos of other cassava varieties reached an embryogenesis rate of up to 90%.

Material
other varietiese5
Outcome
embryogenesis rate of secondary somatic embryose5
Value
90%e5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e5

“embryogenesis rate of secondary somatic embryos of other varieties went up to 90%”

✓ located verbatim in the source · abstract, characters 632–713 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ripening time of somatic embryos raised the frequency of cotyledon organogenesis when set around 2 weeks after embryo maturation.

Treatment
ripening time of somatic embryose6
Outcome
frequency of cotyledon organogenesise6
Direction
highere6
Qualifier
around 2 weeks after embryo maturatione6

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e6

“the ripening time of somatic embryos had a great influence on the organogenesis of cotyledon, frequency of cotyledon organogenesis was higher around 2 weeks after embryo maturation and the induction frequency could be more than 70%”

✓ located verbatim in the source · abstract, characters 715–946 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Induction frequency of cotyledon organogenesis could be more than 70% under the ripening time of somatic embryos.

Treatment
ripening time of somatic embryose6
Outcome
induction frequencye6
Direction
could be more thane6
Value
70%e6

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e6

“the ripening time of somatic embryos had a great influence on the organogenesis of cotyledon, frequency of cotyledon organogenesis was higher around 2 weeks after embryo maturation and the induction frequency could be more than 70%”

✓ located verbatim in the source · abstract, characters 715–946 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

SC8 had the highest somatic embryogenesis ratio and cotyledon organogenesis frequency among the cassava genotypes.

Material
SC8e7
Outcome
somatic embryogenesis ratio and cotyledon organogenesis frequenciese7
Direction
higheste7

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e7

“the somatic embryogenesis ratio and cotyledon organogenesis frequencies were very different among distinct genotypes,SC8 and NZ188 cultivar had the highest and second-highest frequency respectively,SC7 cultivar displayed the lowest frequency”

✓ located verbatim in the source · abstract, characters 948–1189 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

NZ188 had the second-highest somatic embryogenesis ratio and cotyledon organogenesis frequency among the cassava genotypes.

Material
NZ188 cultivare7
Outcome
somatic embryogenesis ratio and cotyledon organogenesis frequenciese7
Direction
second-higheste7

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e7

“the somatic embryogenesis ratio and cotyledon organogenesis frequencies were very different among distinct genotypes,SC8 and NZ188 cultivar had the highest and second-highest frequency respectively,SC7 cultivar displayed the lowest frequency”

✓ located verbatim in the source · abstract, characters 948–1189 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

SC7 had the lowest somatic embryogenesis ratio and cotyledon organogenesis frequency among the cassava genotypes.

Material
SC7 cultivare7
Outcome
somatic embryogenesis ratio and cotyledon organogenesis frequenciese7
Direction
loweste7

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e7

“the somatic embryogenesis ratio and cotyledon organogenesis frequencies were very different among distinct genotypes,SC8 and NZ188 cultivar had the highest and second-highest frequency respectively,SC7 cultivar displayed the lowest frequency”

✓ located verbatim in the source · abstract, characters 948–1189 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Adding AgNO3 (5 mg·L-1) to subculture could improve the organogenesis capacity of mature cotyledons of cassava.

Organ / stage
mature cotyledonarye0
Treatment
AgNO3(5 mg·L-1)e0
Outcome
organogenesis capacitye0
Direction
help improvinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Manihot esculenta
Manihot esculenta · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

t0

“Cassava Regeneration System”

✓ located verbatim in the source · title, characters 35–62 · show in text ↑
e0

“The addition of AgNO3(5 mg·L-1) into subculture could help improving the organogenesis capacity of mature cotyledonary”

✓ located verbatim in the source · abstract, characters 1191–1309 · show in text ↑

picloram · growth · Manihot esculenta (cassava)Results agree

10 papers: 10 positive, 0 negative or no effect

9 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

2,4-D · growth · Manihot esculenta (cassava)Results agree

11 papers: 11 positive, 0 negative or no effect

10 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

7 papers more in this group

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.