Abstract
Abstract The application of natural plant growth regulator (PGR) is one treatment that plays a role in increasing soybean production. One of the natural PGR that can be used is shallot extract. The objective of the research was to evaluate the role of shallot extract application on soybean production. The research was done at the Faculty of Agriculture Experimental Field, Universitas of Sumatera Utara using a Factorial Randomized Block Design with two factors and three replications. As the first factor were soybean varieties (Devon-1, Dering-1 and Anjasmoro). The second factor was the concentration of shallot extract (0%; 25%; 50% and 75%). The results indicated that Dering-1 has the highest number of filled pods, while Anjasmoro and Devon-1 soybean varieties produced a higher harvest index and dry weight of 100-seeds compared to Dering-1. The application of shallot extract concentration at 75% has produced the highest number of filled pods, seed dry weight per plant and harvest index. The interaction between Dering-1 variety and the concentration of 75% shallot extract produced the highest number of filled pods, while application of 50% shallot extract in Devon-1 variety produced the highest harvest index and dry weight of 100 seeds.
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Claims 9
Claim · model-written summary
Dering-1 had the highest filled-pod number.
- Taxon
- soybean
Glycine maxt0 - Material
- Dering-1e0
- Outcome
- number of filled podse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Dering-1 has the highest number of filled pods”
t0“soybean”
Claim · model-written summary
Anjasmoro and Devon-1 had higher harvest index than Dering-1.
- Taxon
- soybean
Glycine maxe0 - Material
- Anjasmoro and Devon-1e0
- Outcome
- harvest indexe0
- Direction
- highere0
- Comparator
- Dering-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Anjasmoro and Devon-1 soybean varieties produced a higher harvest index and dry weight of 100-seeds compared to Dering-1.”
Claim · model-written summary
Anjasmoro and Devon-1 had higher 100-seed dry weight than Dering-1.
- Taxon
- soybean
Glycine maxe0 - Material
- Anjasmoro and Devon-1e0
- Outcome
- dry weight of 100-seedse0
- Direction
- highere0
- Comparator
- Dering-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Anjasmoro and Devon-1 soybean varieties produced a higher harvest index and dry weight of 100-seeds compared to Dering-1.”
Claim · model-written summary
The 75% shallot extract treatment gave the highest filled-pod number.
- Taxon
- soybean
Glycine maxt0 - Treatment
- shallot extract concentration at 75%e0
- Outcome
- number of filled podse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The application of shallot extract concentration at 75% has produced the highest number of filled pods, seed dry weight per plant and harvest index.”
t0“soybean”
Claim · model-written summary
The 75% shallot extract treatment gave the highest seed dry weight per plant.
- Taxon
- soybean
Glycine maxt0 - Treatment
- shallot extract concentration at 75%e0
- Outcome
- seed dry weight per plante0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The application of shallot extract concentration at 75% has produced the highest number of filled pods, seed dry weight per plant and harvest index.”
t0“soybean”
Claim · model-written summary
The 75% shallot extract treatment gave the highest harvest index.
- Taxon
- soybean
Glycine maxt0 - Treatment
- shallot extract concentration at 75%e0
- Outcome
- harvest indexe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The application of shallot extract concentration at 75% has produced the highest number of filled pods, seed dry weight per plant and harvest index.”
t0“soybean”
Claim · model-written summary
Dering-1 with 75% shallot extract gave the highest filled-pod number.
- Taxon
- soybean
Glycine maxt0 - Material
- Dering-1e0
- Treatment
- concentration of 75% shallot extracte0
- Outcome
- number of filled podse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The interaction between Dering-1 variety and the concentration of 75% shallot extract produced the highest number of filled pods”
t0“soybean”
Claim · model-written summary
Devon-1 with 50% shallot extract gave the highest harvest index.
- Taxon
- soybean
Glycine maxt0 - Material
- Devon-1e0
- Treatment
- 50% shallot extracte0
- Outcome
- harvest indexe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“application of 50% shallot extract in Devon-1 variety produced the highest harvest index and dry weight of 100 seeds.”
t0“soybean”
Claim · model-written summary
Devon-1 with 50% shallot extract gave the highest 100-seed dry weight.
- Taxon
- soybean
Glycine maxt0 - Material
- Devon-1e0
- Treatment
- 50% shallot extracte0
- Outcome
- dry weight of 100 seedse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“application of 50% shallot extract in Devon-1 variety produced the highest harvest index and dry weight of 100 seeds.”
t0“soybean”
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