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Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa)

Authorized Users Only
2010
Authors
Ulloa, Santiago M.
Datta, Avishek
Malidža, Goran
Leskovsek, Robert
Knezević, Stevan Z.
Article (Published version)
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Abstract
Farmers are interested to produce sweet maize under organic production systems and propane flaming could be a potential alternative tool for weed control in organic sweet maize production. Therefore, the objective of this study was to investigate the response of sweet maize to broadcast flaming as influenced by propane dose and crop growth stage. Field experiments were conducted at the Haskell Agricultural Laboratory of the University of Nebraska, Concord, NE in 2008 and 2009 using five propane doses applied at three different growth stages of V2 (2-leaf), V5 (5-leaf) and V7 (7-leaf). The propane doses were 0, 13, 24, 44 and 85 kg ha(-1). The response of sweet maize to propane flaming was evaluated in terms of visual crop injury, effects on plant height, yield components (plants m(-2), tillers plant(-1), number of ears plant(-1), cob length and number of seeds cob(-1)) and fresh marketable yield. The response of different growth stages of sweet maize to propane doses was described by l...og-logistic models. Based on most parameters tested. V7 was the most tolerant while V2 was the least tolerant stage for broadcast flaming. The maximum yield reductions with the highest propane dose of 85 kg ha(-1) were 22%, 12% and 6% for V2, V5 and V7 stages, respectively. Furthermore, a 5% yield reduction was evident with 23,25 and 36 kg ha(-1) of propane for V2, V5 and V7 growth stages, respectively, suggesting that plants flamed at V7 stage can tolerate higher dose of propane for the same yield reduction compared to the other growth stages. We believe that flaming has a potential to be used effectively in organic sweet maize production if properly used.

Keywords:
Flaming / Dose-response curves / Non-chemical weed control / Crop tolerance / Organic crop production
Source:
Field Crops Research, 2010, 118, 3, 282-288
Publisher:
  • Elsevier Science Bv, Amsterdam
Funding / projects:
  • Propane Education and Research Council (PERC)
  • Nebraska Propane Association

DOI: 10.1016/j.fcr.2010.06.007

ISSN: 0378-4290

WoS: 000280992800012

Scopus: 2-s2.0-77954956596
[ Google Scholar ]
18
14
URI
http://fiver.ifvcns.rs/handle/123456789/842
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Ulloa, Santiago M.
AU  - Datta, Avishek
AU  - Malidža, Goran
AU  - Leskovsek, Robert
AU  - Knezević, Stevan Z.
PY  - 2010
UR  - http://fiver.ifvcns.rs/handle/123456789/842
AB  - Farmers are interested to produce sweet maize under organic production systems and propane flaming could be a potential alternative tool for weed control in organic sweet maize production. Therefore, the objective of this study was to investigate the response of sweet maize to broadcast flaming as influenced by propane dose and crop growth stage. Field experiments were conducted at the Haskell Agricultural Laboratory of the University of Nebraska, Concord, NE in 2008 and 2009 using five propane doses applied at three different growth stages of V2 (2-leaf), V5 (5-leaf) and V7 (7-leaf). The propane doses were 0, 13, 24, 44 and 85 kg ha(-1). The response of sweet maize to propane flaming was evaluated in terms of visual crop injury, effects on plant height, yield components (plants m(-2), tillers plant(-1), number of ears plant(-1), cob length and number of seeds cob(-1)) and fresh marketable yield. The response of different growth stages of sweet maize to propane doses was described by log-logistic models. Based on most parameters tested. V7 was the most tolerant while V2 was the least tolerant stage for broadcast flaming. The maximum yield reductions with the highest propane dose of 85 kg ha(-1) were 22%, 12% and 6% for V2, V5 and V7 stages, respectively. Furthermore, a 5% yield reduction was evident with 23,25 and 36 kg ha(-1) of propane for V2, V5 and V7 growth stages, respectively, suggesting that plants flamed at V7 stage can tolerate higher dose of propane for the same yield reduction compared to the other growth stages. We believe that flaming has a potential to be used effectively in organic sweet maize production if properly used.
PB  - Elsevier Science Bv, Amsterdam
T2  - Field Crops Research
T1  - Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa)
EP  - 288
IS  - 3
SP  - 282
VL  - 118
DO  - 10.1016/j.fcr.2010.06.007
ER  - 
@article{
author = "Ulloa, Santiago M. and Datta, Avishek and Malidža, Goran and Leskovsek, Robert and Knezević, Stevan Z.",
year = "2010",
abstract = "Farmers are interested to produce sweet maize under organic production systems and propane flaming could be a potential alternative tool for weed control in organic sweet maize production. Therefore, the objective of this study was to investigate the response of sweet maize to broadcast flaming as influenced by propane dose and crop growth stage. Field experiments were conducted at the Haskell Agricultural Laboratory of the University of Nebraska, Concord, NE in 2008 and 2009 using five propane doses applied at three different growth stages of V2 (2-leaf), V5 (5-leaf) and V7 (7-leaf). The propane doses were 0, 13, 24, 44 and 85 kg ha(-1). The response of sweet maize to propane flaming was evaluated in terms of visual crop injury, effects on plant height, yield components (plants m(-2), tillers plant(-1), number of ears plant(-1), cob length and number of seeds cob(-1)) and fresh marketable yield. The response of different growth stages of sweet maize to propane doses was described by log-logistic models. Based on most parameters tested. V7 was the most tolerant while V2 was the least tolerant stage for broadcast flaming. The maximum yield reductions with the highest propane dose of 85 kg ha(-1) were 22%, 12% and 6% for V2, V5 and V7 stages, respectively. Furthermore, a 5% yield reduction was evident with 23,25 and 36 kg ha(-1) of propane for V2, V5 and V7 growth stages, respectively, suggesting that plants flamed at V7 stage can tolerate higher dose of propane for the same yield reduction compared to the other growth stages. We believe that flaming has a potential to be used effectively in organic sweet maize production if properly used.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Field Crops Research",
title = "Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa)",
pages = "288-282",
number = "3",
volume = "118",
doi = "10.1016/j.fcr.2010.06.007"
}
Ulloa, S. M., Datta, A., Malidža, G., Leskovsek, R.,& Knezević, S. Z.. (2010). Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa). in Field Crops Research
Elsevier Science Bv, Amsterdam., 118(3), 282-288.
https://doi.org/10.1016/j.fcr.2010.06.007
Ulloa SM, Datta A, Malidža G, Leskovsek R, Knezević SZ. Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa). in Field Crops Research. 2010;118(3):282-288.
doi:10.1016/j.fcr.2010.06.007 .
Ulloa, Santiago M., Datta, Avishek, Malidža, Goran, Leskovsek, Robert, Knezević, Stevan Z., "Timing and propane dose of broadcast flaming to control weed population influenced yield of sweet maize (Zea mays L. var. rugosa)" in Field Crops Research, 118, no. 3 (2010):282-288,
https://doi.org/10.1016/j.fcr.2010.06.007 . .

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