Abstract
Wonji-Shoa and Metahara sugarcane plantations experience reduced sucrose content (%) during the starting period of sugarcane crushing due to the combined influence of high (>27°C) temperature and the presence of high residual soil moisture. Studies elsewhere showed the potential of chemical ripeners in boosting the sucrose content (%), where natural ripening is deterred by these challenges. Accordingly, a field experiment was conducted to evaluate the responsiveness of selected sugarcane varieties to chemical ripeners at both plantations. The treatments consisted of a factorial combination of four sugarcane varieties (B52298, NCo334, C86-56, and SP70-1284) and six ripener treatments: (1) Ethephon™(720 g ai ha−1), (2) Fusilade Forte™(25.6 g ai ha−1), (3) Moddus™ (250 g ai ha−1), (4) Ethephon™ (720 g ai ha−1) + Fusilade Forte™ (25.6 g ai ha−1), (5) Moddus™ (250 g ai ha−1) + Fusilade Forte™ (25.6 g ai ha−1), and (6) Unsprayed (control). The experiment was laid out in a randomised complete block design in a factorial arrangement with three replications. The results showed a significant ( <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" id="M1"> <a:mi>p</a:mi> <a:mo>=</a:mo> <a:mn>0.025</a:mn> </a:math> ) and highly significant ( <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" id="M2"> <c:mi>p</c:mi> <c:mo>=</c:mo> <c:mn>0.001</c:mn> </c:math> ) variety by ripener interaction in stalk height and sucrose content, respectively, while the main effect ripener highly significantly affected stalk weight ( <e:math xmlns:e="http://www.w3.org/1998/Math/MathML" id="M3"> <e:mi>p</e:mi> <e:mo>=</e:mo> <e:mn>0.001</e:mn> </e:math> ) and sucrose yield ( <g:math xmlns:g="http://www.w3.org/1998/Math/MathML" id="M4"> <g:mi>p</g:mi> <g:mo>=</g:mo> <g:mn>0.003</g:mn> </g:math> ). The variety C86-56 sprayed with combinations of Ethephon™ + Fusilade Forte™ and Moddus™ + Fusilade Forte™ had the shortest stalk heights of 1.27 and 1.29 m, respectively, compared with the control. Ethephon™ + Fusilade Forte™ combination resulted in the highest reduction of stalk weight (8.36%), while the lowest was recorded in the sole Moddus™ treatment (6.31%). From the ripener treatments, the Moddus™ + Fusilade Forte™ combination and Ethephon™ + Fusilade Forte™ combination improved sucrose yield by 1.42 and 1.34 t ha−1, respectively, compared with the control. However, in economic terms, the Moddus™ + Fusilade Forte™ combination treatment resulted in the highest marginal rate of return of 1244%. Therefore, the Moddus™ + Fusilade Forte™ combination ripener treatment was found to be promising to be evaluated at a commercial scale on immature sugarcane varieties B52-298, NCo334, and SP70-1284.
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Claims 11
Claim · model-written summary
The variety by ripener interaction was significant for stalk height.
- Taxon
- sugarcanet0
- Treatment
- ripenere1
- Outcome
- stalk heighte1
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedDirection
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e1“variety by ripener interaction in stalk height and sucrose content, respectively”
Claim · model-written summary
The variety by ripener interaction was significant for sucrose content.
- Taxon
- sugarcanet0
- Treatment
- ripenere1
- Outcome
- sucrose contente1
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedDirection
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e1“variety by ripener interaction in stalk height and sucrose content, respectively”
Claim · model-written summary
The main effect of ripener was highly significant for stalk weight.
- Taxon
- sugarcanet0
- Treatment
- ripenere2
- Outcome
- stalk weighte2
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedDirection
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e2“the main effect ripener highly significantly affected stalk weight”
Claim · model-written summary
The main effect of ripener was highly significant for sucrose yield.
- Taxon
- sugarcanet0
- Treatment
- ripenere2
- Outcome
- sucrose yielde3
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedDirection
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e2“the main effect ripener highly significantly affected stalk weight”
e3“and sucrose yield”
Claim · model-written summary
Variety C86-56 sprayed with the Ethephon + Fusilade Forte and Moddus + Fusilade Forte combinations had the shortest stalk heights, 1.27 and 1.29 m.
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e4“The variety C86-56 sprayed with combinations of Ethephon™ + Fusilade Forte™ and Moddus™ + Fusilade Forte™ had the shortest stalk heights of 1.27 and 1.29 m, respectively, compared with the control”
Claim · model-written summary
The Ethephon + Fusilade Forte combination gave the highest reduction of stalk weight, 8.36%.
- Taxon
- sugarcanet0
- Treatment
- Ethephon™ + Fusilade Forte™ combinatione6
- Outcome
- reduction of stalk weighte6
- Direction
- highest reductione6
- Value
- 8.36%e6
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedComparator
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e6“Ethephon™ + Fusilade Forte™ combination resulted in the highest reduction of stalk weight (8.36%), while the lowest was recorded in the sole Moddus™ treatment (6.31%)”
Claim · model-written summary
The sole Moddus treatment gave the lowest reduction of stalk weight, 6.31%.
- Taxon
- sugarcanet0
- Treatment
- sole Moddus™ treatmente6
- Outcome
- reduction of stalk weighte6
- Direction
- loweste6
- Value
- 6.31%e6
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedComparator
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e6“Ethephon™ + Fusilade Forte™ combination resulted in the highest reduction of stalk weight (8.36%), while the lowest was recorded in the sole Moddus™ treatment (6.31%)”
Claim · model-written summary
The Moddus + Fusilade Forte combination improved sucrose yield by 1.42 t ha−1 compared with the control.
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e7“the Moddus™ + Fusilade Forte™ combination and Ethephon™ + Fusilade Forte™ combination improved sucrose yield by 1.42 and 1.34 t ha−1, respectively, compared with the control”
Claim · model-written summary
The Ethephon + Fusilade Forte combination improved sucrose yield by 1.34 t ha−1 compared with the control.
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e7“the Moddus™ + Fusilade Forte™ combination and Ethephon™ + Fusilade Forte™ combination improved sucrose yield by 1.42 and 1.34 t ha−1, respectively, compared with the control”
Claim · model-written summary
The Moddus + Fusilade Forte combination gave the highest marginal rate of return, 1244%.
- Taxon
- sugarcanet0
- Treatment
- Moddus™ + Fusilade Forte™ combination treatmente7
- Outcome
- marginal rate of returne7
- Direction
- higheste7
- Value
- 1244%e7
- Setting
- Wonji-Shoa and Metahara Sugarcane Plantationst1
Not reportedComparator
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e7“the Moddus™ + Fusilade Forte™ combination treatment resulted in the highest marginal rate of return of 1244%”
Claim · model-written summary
The authors recommend evaluating the Moddus + Fusilade Forte ripener treatment at commercial scale on immature sugarcane varieties.
Verbatim
t0“Sugarcane Varieties”
t1“Wonji-Shoa and Metahara Sugarcane Plantations”
e2“the Moddus™ + Fusilade Forte™ combination ripener treatment was found to be promising to be evaluated at a commercial scale on immature sugarcane varieties B52-298, NCo334, and SP70-1284”
The same questions in other papers
(2-chloroethyl)phosphonic acid · quality: sugar starch · Saccharum officinarum (sugarcane)Results differ
12 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
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10 papers more in this group
See all 14 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.