Paper · 2008 · SSRN Electronic Journal

Bud Pollination and Hybrid Seed Production in Detergent-Induced Male Sterile Plants of Brassica Juncea

Vandana Singh

5
claims
12
verbatim quotes
0
citations
3
research areas
✓
Open access

Abstract

The efficacy of a synthetic detergent (Surf Excel) as a potential chemical hybridizing agent in Brassica juncea was studied. Foliar sprays with various concentrations of the detergent caused reductions in plant height, number of branches and leaves per plant, size of leaves, anther size, pollen per flower, ovules per flower, pollen fertility, fruits per plant, fruit size, seeds per fruit, total yield per plant and 100 seed weight as compared with those of untreated plants. The style in the floral buds of plants sprayed with different concentrations of Surf Excel elongated and so the receptive stigma protruded from the buds which facilitated cross-pollination by honey bees. The plants sprayed once with 2% Surf Excel exhibited an elongated style with a raised receptive stigma and 100% pollen sterility without causing a significant reduction in total yield.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Surf Excel sprays reduced vegetative size and leaf traits versus untreated plants.

Taxon
Brassica JunceaBrassica junceat0
Treatment
Foliar sprays with various concentrations of the detergente0
Outcome
plant height, number of branches and leaves per plant, size of leavese0
Direction
reductionse0
Comparator
untreated plantse1

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Foliar sprays with various concentrations of the detergent caused reductions in plant height, number of branches and leaves per plant, size of leaves”

✓ located verbatim in the source · abstract, characters 125–274 · show in text ↑
e1

“untreated plants”

✓ located verbatim in the source · abstract, characters 460–476 · show in text ↑
t0

“Brassica Juncea”

✓ located verbatim in the source · title, characters 87–102 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Surf Excel sprays reduced floral and pollen traits versus untreated plants.

Taxon
Brassica JunceaBrassica junceat0
Treatment
Foliar sprays with various concentrations of the detergente0
Outcome
anther size, pollen per flower, ovules per flower, pollen fertilitye0
Direction
reductionse0
Comparator
untreated plantse1

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Foliar sprays with various concentrations of the detergent caused reductions in plant height, number of branches and leaves per plant, size of leaves, anther size, pollen per flower, ovules per flower, pollen fertility”

✓ located verbatim in the source · abstract, characters 125–343 · show in text ↑
e1

“untreated plants”

✓ located verbatim in the source · abstract, characters 460–476 · show in text ↑
t0

“Brassica Juncea”

✓ located verbatim in the source · title, characters 87–102 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Surf Excel sprays reduced fruit and seed yield traits versus untreated plants.

Taxon
Brassica JunceaBrassica junceat0
Treatment
Foliar sprays with various concentrations of the detergente0
Outcome
fruits per plant, fruit size, seeds per fruit, total yield per plant and 100 seed weighte0
Direction
reductionse0
Comparator
untreated plantse0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Foliar sprays with various concentrations of the detergent caused reductions in plant height, number of branches and leaves per plant, size of leaves, anther size, pollen per flower, ovules per flower, pollen fertility, fruits per plant, fruit size, seeds per fruit, total yield per plant and 100 seed weight as compared with those of untreated plants.”

✓ located verbatim in the source · abstract, characters 125–477 · show in text ↑
t0

“Brassica Juncea”

✓ located verbatim in the source · title, characters 87–102 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Surf Excel elongated styles and exposed stigmas, facilitating honey-bee cross-pollination.

Taxon
Brassica JunceaBrassica junceat0
Treatment
different concentrations of Surf Excele0
Interactor
honey beesApinaee0pollinator
Outcome
style in the floral budse0
Direction
elongatede0

Not reportedComparator

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The style in the floral buds of plants sprayed with different concentrations of Surf Excel elongated and so the receptive stigma protruded from the buds which facilitated cross-pollination by honey bees.”

✓ located verbatim in the source · abstract, characters 478–681 · show in text ↑
t0

“Brassica Juncea”

✓ located verbatim in the source · title, characters 87–102 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

One 2% Surf Excel spray produced 100% pollen sterility without a significant total-yield reduction.

Taxon
Brassica JunceaBrassica junceat0
Treatment
once with 2% Surf Excele0
Outcome
pollen sterilitye0
Value
100%e0

Not reportedComparatorDirection

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The plants sprayed once with 2% Surf Excel exhibited an elongated style with a raised receptive stigma and 100% pollen sterility without causing a significant reduction in total yield.”

✓ located verbatim in the source · abstract, characters 682–866 · show in text ↑
t0

“Brassica Juncea”

✓ located verbatim in the source · title, characters 87–102 · show in text ↑

detergent · yield · Brassica juncea (Indian mustard)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

2 in the opposite direction

  1. no effect
  2. negative
See all 3 papers →

application · yield · Brassica juncea (Indian mustard)Positive and negative results

50 papers: 48 positive, 2 negative or no effect

47 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. no effect
  3. positive

46 papers more in this group

See all 50 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.