Paper · 2017 · Asian Journal of Agriculture and Food Sciences

Quantitative Analysis of Greenhouse Kohlrabi (Brassica oleracea var. gongylodes L.) Growing

Harun Özer; Mehtap Özbakır Özer; Ahmet Balkaya

5
claims
10
verbatim quotes
0
citations
2
research areas
✓
Open access · cc-by-nc

Abstract

This study were carried out to of different sowing time in order to determine the effects on plant growth of kohlrabi cultivation under Samsun condaitions during the autumn growing periods in unheated greenhouse. Four different seed sowing times (1st September, 15th September 1st October, 15th October), two different kohlrabi cultivars (Kolibri F1 and Korist F1) and two mulch applications (mulch covered and uncovered) were used in this study.The plant growth parameters analyzed (total plant dry weight, leaf area ratio, specific leaf area, net assimilation rate and relative growth rate) were found statistically significant (p<0.05). The highest total plant dry weight (114.1 g) was obtained from mulch application and 1st September seed sowing time. The highest leaf area ratio value were obtained in both mulch application the Kolibri F1 variety grown on October 15th. The highest net assimilation rate (0.65 g cm-2 day-1*1000) and relative growth rate (0.0090 g g day-1) were obtained from mulch covered plants grown in Kolibri varieties during September 1st. As a result, in this study higher dry matter accumulation was achieved by 1st September seed sowing times in vegetable growing in the last season in the greenhouse. In this way, the plants have successfully grown up and increased their productivity by entering the winter months, when the temperature and light intensity are decreasing.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc. Read at the source ↗

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Claims 5

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest total plant dry weight of kohlrabi, 114.1 g, came from mulch application and 1st September sowing.

Treatment
mulch application and 1st September seed sowing timee1
Outcome
total plant dry weighte1
Direction
higheste1
Value
114.1 ge1

Not reportedComparator

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

Brassica oleracea var. gongylodes
Brassica oleracea var. gongylodes · TaxonToubib at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Kohlrabi (Brassica oleracea var. gongylodes L.)”

✓ located verbatim in the source · title, characters 36–83 · show in text ↑
e1

“The highest total plant dry weight (114.1 g) was obtained from mulch application and 1st September seed sowing time”

✓ located verbatim in the source · abstract, characters 640–755 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest leaf area ratio of kohlrabi was obtained with mulch application in the Kolibri F1 variety sown on October 15th.

Material
Kolibri F1 varietye2
Treatment
mulch applicatione2
Outcome
leaf area ratioe2
Direction
higheste2
Qualifier
grown on October 15the2

Not reportedComparator

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

Brassica oleracea var. gongylodes
Brassica oleracea var. gongylodes · TaxonToubib at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Kohlrabi (Brassica oleracea var. gongylodes L.)”

✓ located verbatim in the source · title, characters 36–83 · show in text ↑
e2

“The highest leaf area ratio value were obtained in both mulch application the Kolibri F1 variety grown on October 15th”

✓ located verbatim in the source · abstract, characters 757–875 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest net assimilation rate of kohlrabi, 0.65 g cm-2 day-1*1000, came from mulch covered Kolibri plants sown on 1 September.

Material
Kolibri varietiese3
Treatment
mulch covered plantse3
Outcome
net assimilation ratee3
Direction
higheste3
Value
0.65 g cm-2 day-1*1000e3
Qualifier
during September 1ste3

Not reportedComparator

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

Brassica oleracea var. gongylodes
Brassica oleracea var. gongylodes · TaxonToubib at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Kohlrabi (Brassica oleracea var. gongylodes L.)”

✓ located verbatim in the source · title, characters 36–83 · show in text ↑
e3

“The highest net assimilation rate (0.65 g cm-2 day-1*1000) and relative growth rate (0.0090 g g day-1) were obtained from mulch covered plants grown in Kolibri varieties during September 1st”

✓ located verbatim in the source · abstract, characters 877–1067 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest relative growth rate of kohlrabi, 0.0090 g g day-1, came from mulch covered Kolibri plants sown on 1 September.

Material
Kolibri varietiese3
Treatment
mulch covered plantse3
Outcome
relative growth ratee3
Direction
higheste3
Value
0.0090 g g day-1e3
Qualifier
during September 1ste3

Not reportedComparator

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

Brassica oleracea var. gongylodes
Brassica oleracea var. gongylodes · TaxonToubib at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Kohlrabi (Brassica oleracea var. gongylodes L.)”

✓ located verbatim in the source · title, characters 36–83 · show in text ↑
e3

“The highest net assimilation rate (0.65 g cm-2 day-1*1000) and relative growth rate (0.0090 g g day-1) were obtained from mulch covered plants grown in Kolibri varieties during September 1st”

✓ located verbatim in the source · abstract, characters 877–1067 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher dry matter accumulation of kohlrabi was achieved by 1st September sowing in the greenhouse.

Treatment
1st September seed sowing timese4
Outcome
dry matter accumulatione4
Direction
highere4
Setting
the greenhousee4

Not reportedComparator

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

Brassica oleracea var. gongylodes
Brassica oleracea var. gongylodes · TaxonToubib at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Kohlrabi (Brassica oleracea var. gongylodes L.)”

✓ located verbatim in the source · title, characters 36–83 · show in text ↑
e4

“higher dry matter accumulation was achieved by 1st September seed sowing times in vegetable growing in the last season in the greenhouse”

✓ located verbatim in the source · abstract, characters 1096–1232 · show in text ↑

sowing time · yield · Brassica oleracea (wild cabbage)Positive and negative results

17 papers: 14 positive, 3 negative or no effect

13 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

13 papers more in this group

See all 17 papers →

sowing time · growth · Brassica oleracea (wild cabbage)Positive and negative results

18 papers: 12 positive, 6 negative or no effect

11 papers in the same direction as this paper · 6 in the opposite direction

  1. positive
  2. no effect
  3. negative

14 papers more in this group

See all 18 papers →

mulching · growth · Brassica oleracea (wild cabbage)Positive and negative results

33 papers: 31 positive, 2 negative or no effect

30 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive

29 papers more in this group

See all 33 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.