Paper · 2021 · Zagazig Journal of Agricultural Research

RESPONSE OF SOME WHEAT CULTIVARS TO SOWING METHODS AND SEEDING RATES UNDER SIWA OASIS CONDITIONS

Hassan Hassan; M. Attia; M. Abdelmahbood

9
claims
15
verbatim quotes
2
citations
1
research areas
✓
Open access

Abstract

Egypt produces about half of the 20 million tons of consumed wheat and imports the other half. So that Egypt became the world’s largest importer of wheat. Therefore, intensive efforts are being for enhancing wheat production to meet any local consumption particularly out of the Nile Valley, i.e. Siwa Oasis, Egypt, where salinity is considered of the major problem. However, Siwan farmers are not acquainted with wheat crop from the beginning sustain policy of wheat flour as well as with agricultural practices. Therefore, two on farm trials were carried out in Agricultural Experimental Station of Desert Research Center at Khemisa, Siwa Oasis during 2016/2017 and 2017/2018 growing seasons, to study the effect of sowing methods (broadcast and row) and seeding rates (30, 45, 60 and 75 kg/fed.) on two wheat cultivars, Triticum aesivum L., (Misr 2 and Sakha 94). Results indicated that row sowing method produced 37.2% and 12.5% more grain yield over traditional broadcast method in the 1st and 2nd seasons, respectively. These increments may be due to a significant increase in number of spikes/m2, number of grains/spike and to some extent 1000-grain weight.Misr 2 wheat cultivar produced the highest biological, grain yields, harvest index and number of spikes/m2. On the other hand, Sakha 94 cultivar gave the highest value of number of grains/spike and 1000-grain weight in both seasons. The highest values of grain yield and harvest index were noticed with 45 and/or 60 kg/fed seeding rates in two seasons. Whereas, a gradual significant increase in number of spikes/m2 and biological yield was noticed with increasing seeding rates from 30 up to 75 kg/fed. However, 1000-grain weight tended to reduce with increasing seeding rates. So, it could be concluded that sowing Misr 2 wheat cultivar at 60 kg/fed., with row sowing method is suitable for wheat production under saline conditions at Siwa Oasis.

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Claims 9

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Row sowing increased wheat grain yield by 37.2% over broadcast in the first season.

Treatment
row sowing methode0
Outcome
grain yielde0
Direction
moree0
Value
37.2%e0
Qualifier
1ste0
Comparator
traditional broadcast methode0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“row sowing method produced 37.2% and 12.5% more grain yield over traditional broadcast method in the 1st and 2nd seasons, respectively.”

✓ located verbatim in the source · abstract, characters 890–1025 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Row sowing increased wheat grain yield by 12.5% over broadcast in the second season.

Treatment
row sowing methode0
Outcome
grain yielde0
Direction
moree0
Value
12.5%e0
Qualifier
2nde0
Comparator
traditional broadcast methode0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“row sowing method produced 37.2% and 12.5% more grain yield over traditional broadcast method in the 1st and 2nd seasons, respectively.”

✓ located verbatim in the source · abstract, characters 890–1025 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Misr 2 had the highest biological yield, grain yield and harvest index.

Material
Misr 2e0
Outcome
biological, grain yields, harvest indexe0
Direction
higheste0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Misr 2 wheat cultivar produced the highest biological, grain yields, harvest index and number of spikes/m2.”

✓ located verbatim in the source · abstract, characters 1164–1271 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Misr 2 had the highest number of spikes per square meter.

Material
Misr 2e0
Outcome
number of spikes/m2e0
Direction
higheste0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Misr 2 wheat cultivar produced the highest biological, grain yields, harvest index and number of spikes/m2.”

✓ located verbatim in the source · abstract, characters 1164–1271 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Sakha 94 had the highest grains per spike and 1000-grain weight in both seasons.

Material
Sakha 94e0
Outcome
number of grains/spike and 1000-grain weighte0
Direction
higheste0
Qualifier
both seasonse0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Sakha 94 cultivar gave the highest value of number of grains/spike and 1000-grain weight in both seasons.”

✓ located verbatim in the source · abstract, characters 1291–1396 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Seeding rates of 45 and/or 60 kg/fed gave the highest grain yield and harvest index in both seasons.

Treatment
45 and/or 60 kg/fed seeding ratese0
Outcome
grain yield and harvest indexe0
Direction
higheste0
Qualifier
two seasonse0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest values of grain yield and harvest index were noticed with 45 and/or 60 kg/fed seeding rates in two seasons.”

✓ located verbatim in the source · abstract, characters 1397–1516 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Increasing seeding rate from 30 to 75 kg/fed significantly increased spikes per square meter and biological yield.

Treatment
increasing seeding rates from 30 up to 75 kg/fede0
Outcome
number of spikes/m2 and biological yielde0
Direction
increasee0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a gradual significant increase in number of spikes/m2 and biological yield was noticed with increasing seeding rates from 30 up to 75 kg/fed.”

✓ located verbatim in the source · abstract, characters 1526–1667 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing seeding rate tended to reduce 1000-grain weight.

Treatment
increasing seeding ratese0
Outcome
1000-grain weighte0
Direction
reducee0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“1000-grain weight tended to reduce with increasing seeding rates.”

✓ located verbatim in the source · abstract, characters 1677–1742 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 17–22 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend row sowing Misr 2 at 60 kg/fed for wheat production under saline Siwa Oasis conditions.

Material
Misr 2e0
Outcome
sowing Misr 2 wheat cultivar at 60 kg/fed., with row sowing methode0
Qualifier
saline conditionse0
Setting
Siwa Oasise0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“sowing Misr 2 wheat cultivar at 60 kg/fed., with row sowing method is suitable for wheat production under saline conditions at Siwa Oasis.”

✓ located verbatim in the source · abstract, characters 1774–1912 · show in text ↑

density · yield · Triticum aestivum (wheat)Positive and negative results

498 papers: 376 positive, 122 negative or no effect

375 papers in the same direction as this paper · 115 in the opposite direction · 7 reporting no difference from an alternative

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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.