Paper · 2018 · Journal of Entomology and Zoology Studies

Effect of different modes of pollination on seed set of mustard (Brassica juncea L.) sown on different sowing dates

Manju Devi; Harish Sharma

6
claims
11
verbatim quotes
2
citations
2
research areas
✓
Open access

Abstract

The present study was conducted to determine the effect of different modes of pollination on seed set of mustard (Brassica juncea L.) in three different sowing dates. The studies were conducted in mustard crop by inducing the plant to flower early or late through different sowing dates. Open mode of pollination was superior to hand pollination and pollinators exclusion. Higher seed set percentage was observed in open pollination (81.89 %) as compared to hand pollination (58.61 %) and pollinator’s exclusion (45.96 %). This shows an increase of 35. 93 and 12.56 per cent seed set under open pollination and hand pollination modes over pollinators exclusion. Delayed sowing of mustard resulted into reduction in the seed set. Highest seed siliqua -1 and 1000-seed weight was obtained in open pollination followed by hand pollination. The minimum seed/ siliqua and 1000 seed weight was observed in case of pollinator’s exclusion. The mean number of seed siliqua -1 and 1000-seed weight did not vary significantly in different sowing dates during both the year of investigations.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Open pollination produced 81.89% seed set, above hand pollination at 58.61%.

Taxon
mustard (Brassica juncea L.)Brassica junceat0
Treatment
open pollinatione0
Outcome
seed set percentagee0
Direction
Highere0
Value
81.89 %e0
Qualifier
58.61 %e0
Comparator
hand pollinatione0

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

“Higher seed set percentage was observed in open pollination (81.89 %) as compared to hand pollination (58.61 %) and pollinator’s exclusion (45.96 %).”

✓ located verbatim in the source · abstract, characters 373–522 · show in text ↑
t0

“mustard (Brassica juncea L.)”

✓ located verbatim in the source · title, characters 56–84 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Open pollination produced 81.89% seed set, above pollinator exclusion at 45.96%.

Taxon
mustard (Brassica juncea L.)Brassica junceat0
Treatment
open pollinatione0
Outcome
seed set percentagee0
Direction
Highere0
Value
81.89 %e0
Qualifier
45.96 %e0
Comparator
pollinator’s exclusione0

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

“Higher seed set percentage was observed in open pollination (81.89 %) as compared to hand pollination (58.61 %) and pollinator’s exclusion (45.96 %).”

✓ located verbatim in the source · abstract, characters 373–522 · show in text ↑
t0

“mustard (Brassica juncea L.)”

✓ located verbatim in the source · title, characters 56–84 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delayed sowing reduced seed set.

Taxon
mustarde0
Treatment
Delayed sowinge0
Outcome
seed sete0
Direction
reductione0

Not reportedComparator

Verbatim

e0

“Delayed sowing of mustard resulted into reduction in the seed set.”

✓ located verbatim in the source · abstract, characters 662–728 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Open pollination produced the highest seeds per siliqua and 1000-seed weight.

Taxon
mustard (Brassica juncea L.)Brassica junceat0
Treatment
open pollinatione0
Outcome
seed siliqua -1 and 1000-seed weighte0
Direction
Higheste0
Comparator
hand pollinatione0

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

“Highest seed siliqua -1 and 1000-seed weight was obtained in open pollination followed by hand pollination.”

✓ located verbatim in the source · abstract, characters 729–836 · show in text ↑
t0

“mustard (Brassica juncea L.)”

✓ located verbatim in the source · title, characters 56–84 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Pollinator exclusion produced the minimum seeds per siliqua and 1000-seed weight.

Taxon
mustard (Brassica juncea L.)Brassica junceat0
Treatment
pollinator’s exclusione0
Outcome
seed/ siliqua and 1000 seed weighte0
Direction
minimume0

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 minimum seed/ siliqua and 1000 seed weight was observed in case of pollinator’s exclusion.”

✓ located verbatim in the source · abstract, characters 837–931 · show in text ↑
t0

“mustard (Brassica juncea L.)”

✓ located verbatim in the source · title, characters 56–84 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Mean seeds per siliqua and 1000-seed weight did not differ significantly across sowing dates.

Taxon
mustard (Brassica juncea L.)Brassica junceat0
Treatment
different sowing datese0
Outcome
seed siliqua -1 and 1000-seed weighte0
Direction
did not varye0

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 mean number of seed siliqua -1 and 1000-seed weight did not vary significantly in different sowing dates during both the year of investigations.”

✓ located verbatim in the source · abstract, characters 932–1080 · show in text ↑
t0

“mustard (Brassica juncea L.)”

✓ located verbatim in the source · title, characters 56–84 · show in text ↑

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

26 papers: 14 positive, 12 negative or no effect

11 papers in the same direction as this paper · 14 in the opposite direction

  1. positive
  2. positive
  3. positive

22 papers more in this group

See all 26 papers →

pollination · yield · Brassica juncea (Indian mustard)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

1 paper more in this group

See all 5 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.