Paper · 2023 · Research on Crops

Herbicide potassium glyphosate 660 g/L as weed control in hybrid corn (Zea mays L.) cultivation under no-tillage system

UUM UMIYATI; DENNY KURNIADIE; FIRSTINA ISWARI

3
claims
6
verbatim quotes
1
citations
2
research areas
—
Not open access

Abstract

Weed management during land preparation is a pivotal concern in agriculture. A viable alternative for weed control in the context of corn cultivation involves employing herbicides within the no-tillage system. Potassium salts formulated with the active ingredient glyphosate allow more effective absorption of glyphosate into the leaves This study aimed to determine the effectiveness and obtain a dose of Potassium Glyphosate 660 g/L herbicide in controlling weeds in corn cultivation with the no-tillage system. The research was conducted from January to May 2023 at the Experimental Garden of the Faculty of Agriculture, University of Padjadjaran, West Java, Indonesia. The experiment used a randomized block design (RBD) with 6 treatments and 4 replications. The treatment consisted of no-tillage with a dose of herbicide with the active ingredient Potassium Glyphosate 660 g/L dose of 1.0 L/ha, 1.5 L/ha, 2.0 L/ha, 2.5 L/ha, 3.0 L/ha, and a control (Perfect Tillage). The application of herbicide with the active ingredient Potassium Glyphosate 660 g/L was carried out once, namely 14 days before corn planting. The experimental results showed that the herbicide with the active ingredient Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/ha was effective in controlling weeds Imperata cylindrica, Bidens pilosa, Alternanthera sessilis, Ageratum conyzoides, and Borreria alata and other weeds (Mimosa invisa, Cyperus rotundus, Synedrella nodiflora, Axonopus compressus) up to 4 weeks after planting without causing a phytotoxic effect on corn planting and preparation for planting corn and increasing the growth and yield of corn plants.

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Claims 3

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium glyphosate at 2.0–3.0 L/ha controlled named weeds up to four weeks after corn planting.

Treatment
Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/hae0
Interactor
weedse0weed
Outcome
controlling weedse0
Direction
effective in controllinge0
Qualifier
up to 4 weeks after plantinge0

Not reportedComparator

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“corn (Zea mays L.)”

✓ located verbatim in the source · title, characters 65–83 · show in text ↑
e0

“herbicide with the active ingredient Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/ha was effective in controlling weeds Imperata cylindrica, Bidens pilosa, Alternanthera sessilis, Ageratum conyzoides, and Borreria alata and other weeds (Mimosa invisa, Cyperus rotundus, Synedrella nodiflora, Axonopus compressus) up to 4 weeks after planting”

✓ located verbatim in the source · abstract, characters 1158–1522 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The effective herbicide doses caused no phytotoxic effect on corn.

Treatment
Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/hae0
Outcome
phytotoxic effect on corn plantinge0
Direction
without causinge0

Not reportedComparator

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“corn (Zea mays L.)”

✓ located verbatim in the source · title, characters 65–83 · show in text ↑
e0

“herbicide with the active ingredient Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/ha was effective in controlling weeds Imperata cylindrica, Bidens pilosa, Alternanthera sessilis, Ageratum conyzoides, and Borreria alata and other weeds (Mimosa invisa, Cyperus rotundus, Synedrella nodiflora, Axonopus compressus) up to 4 weeks after planting without causing a phytotoxic effect on corn planting”

✓ located verbatim in the source · abstract, characters 1158–1575 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The herbicide treatment increased corn growth and yield.

Treatment
Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/hae0
Outcome
growth and yield of corn plantse0
Direction
increasinge0

Not reportedComparator

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“corn (Zea mays L.)”

✓ located verbatim in the source · title, characters 65–83 · show in text ↑
e0

“herbicide with the active ingredient Potassium Glyphosate 660 g/L starting at a dose of 2.0 L/ha – 3.0 L/ha was effective in controlling weeds Imperata cylindrica, Bidens pilosa, Alternanthera sessilis, Ageratum conyzoides, and Borreria alata and other weeds (Mimosa invisa, Cyperus rotundus, Synedrella nodiflora, Axonopus compressus) up to 4 weeks after planting without causing a phytotoxic effect on corn planting and preparation for planting corn and increasing the growth and yield of corn plants”

✓ located verbatim in the source · abstract, characters 1158–1660 · show in text ↑

glyphosate · yield · Zea mays (maize)Results differ

77 papers: 42 positive, 35 negative or no effect

41 papers in the same direction as this paper · 29 in the opposite direction · 6 reporting no difference from an alternative

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glyphosate · crop injury · Zea mays (maize)Positive and negative results

18 papers: 3 positive, 15 negative or no effect

2 papers in the same direction as this paper · 14 in the opposite direction · 1 reporting no difference from an alternative

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glyphosate · weed · Zea mays (maize)Positive and negative results

41 papers: 33 positive, 8 negative or no effect

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  1. negative
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potassium · weed · Zea mays (maize)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

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potassium · yield · Zea mays (maize)Positive and negative results

320 papers: 291 positive, 29 negative or no effect

290 papers in the same direction as this paper · 28 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

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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.