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Partial budget analysis for sucrose yield from the five ripener treatments for the experiment conducted at Kessem sugar estate Parameters Ripener treatments Control 2-Chloroethyl-phosphonic acid Fluazifop-p- butyl Trinexapac- ethyl E ? FF M ? FF
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The relatively high temperature at Kessem sugarcane plantation in Ethiopia was hypothesized to justify the implementation of chemical ripeners as a strategic intervention to combat poor cane quality. Accordingly, a field experiment was carried out to assess the responsiveness of four sugarcane varieties (B52-298, NCo334, C86-12, and SP70-1284) to f...
Contexts in source publication
Context 1
... -1 ), 2-chloroethylphosphonic acid (USD 5168.22 ha -1 ), and control (USD 4678.71 ha -1 ) treatments, respectively (Table 3). ...Context 2
... the marginal rate of return, the highest value of 5509% was obtained from the sole treatment fluazifopp-butyl, while the lowest was obtained from the sole 2-chloroethylphosphonic acid treatment (967%). This variation in marginal return value was due to the lower cost of ripening in the sole treatment fluazifop-p-butyl (Table 3). ...Context 3
... the most economical option among the ripener treatments was derived from the trinexapac-ethyl ? fluazifop-p-butyl sequential application with a marginal rate of return of 2393% (Table 3). In all the ripener treatments, a marginal rate of return greater than 1 was obtained compared to the control (unsprayed) ( Table 3), which is greater than the minimum requirement. ...Similar publications
The experiment was conducted at farmer’s field of Kapasia, Gazipur during November, 2011 to March, 2013under the AEZ 28 (Modhupur Tract).The experiment was carried out to find the effects of varieties and planting dates on growth, yield and quality of sugarcane. Two varieties (viz; Isd 38 and Isd 39) and five planting datesfrommid-November to mid-M...
The African stalk borer Eldana saccharina is an endemic pest of high economic importance in sub-Saharan Africa which often causes heavy infestations in rainfed plant cane subjected to a cycle of 15-17 months. The present study aimed to reduce overall damage due to this borer by early harvesting of sugarcane at three different periods. It involved t...
Citations
... The increase in sucrose content in treatments with ripeners probably occurred due to the reduction in the demand for growth organs, which ended up leading to the accelerated accumulation of sucrose in the stalk (Ayele et al., 2023b). Similar to this study, previous studies confirmed increased sucrose content due to trinexapac-ethyl treatment (Ayele et al., 2021;2023a). ...
In irrigated fields, sugarcane’s vegetative growth and carbohydrate consumption during ripening require ripener management options to improve crop yield. The hypothesis is that ripeners, together with nutrients, biostimulants, and amino acids, improve physiological responses that favor the quality of the raw material and increase the sucrose content. Consequently, the study aimed to evaluate the agro-industrial response of a fertigated sugarcane crop to ripening agents. The treatments consisted of applying chemical ripener (CR), nutritional ripener (NR), and a joint application of NR+CR, besides control with four replicates. Agro-industrial attributes (total soluble solids, apparent sucrose (AS), reducing sugars (RS), total recoverable sugar (TRS), purity, fiber, sucrose in the stalk (SS) were evaluated at 0 (before application), 12, 19, 36, and 60 days after application (DAA). The time modified the technological attributes of sugarcane under ripener application. The highest apparent sucrose and total soluble solids values were obtained with NR+CR compared to the control. The NR and NR+CR treatments presented the highest TRS contents (150 kg Mg⁻¹) at 36 DAA. Furthermore, the NR+CR treatment increased fiber content but did not compromise the quality of the raw material, and it showed high contents of SS and purity percentage, as well as low contents of RS. The chemical and nutritional ripeners efficiently promoted sugarcane ripening in areas without drying off before harvest. NR application at the end of the cycle can potentially increase sugar yield.
Key words:
Saccharum officinarum ; sugarcane industrial quality; ripeners; sugar yield; amino acids
... A recent study conducted at Kessem and Metahara showed that application of the trinexapac-ethyl (Moddus TM , 250 g ai L -1 ) at 250 g ai ha -1 ? fluazifop-p-butyl (Fusilade Forte TM , 150 g ai L -1 ) at 25.6 g ai ha -1 combination resulted in the highest marginal rate of return and net revenue on immature sugarcane of some varieties at a harvest age of 10 months [1,2]. The component ripeners have different mode of actions, where the chemical ripener Moddus TM (trinexapac-ethyl) has a hormonal mode of action and known to inhibit the production of the plant hormone gibberellic acid, GA 1 , which results in the restriction of internode elongation [26]. ...
... The variety B52-298 gave higher sucrose yield (14.21 t ha -1 ) than variety SP70-1284 at Kessem in the late period (Supplementary Table 4) which could be due to the relatively higher cane yield of this variety at Kessem in the late period (Supplementary Table 4). In contrary to this, Ayele et al. [1] reported a higher sucrose yield in the variety SP70-1284 in the mid period harvesting. ...
Chemical ripening is a promising technology at Metahara and Kessem sugarcane plantations where conditions are not optimal for natural ripening in the early and late period of sugarcane processing. However, the harvest age at which sucrose yield could be maximized with application of ripeners has not been established. Thus, field experiments were conducted to determine the effects of harvest age and chemical ripeners on yield and juice quality of sugarcane. The experiments were conducted in the late period (June) harvesting at Metahara, and in the early (October) and late period (June) harvesting at Kessem. A split plot design with three replications was used where the main plot treatments were two sugarcane varieties, viz. B52-298 and SP70-1284, and the sub-plot treatment consisted of combinations of four harvest ages (10, 12, 14 and 16 months) and two ripener treatments [Moddus™ at 250 g ai ha−1 + Fusilade Forte™ (M + FF) at 25.6 g ai ha−1 combination sequentially sprayed and unsprayed control]. The results showed significant difference between the varieties for stalk height and stalk weight in early period study at Kessem with variety SP70-1284 being superior as compared to variety B52-298. Furthermore, harvest age and ripener combination significantly affected all yield and quality parameters, while there was a significant cane and sucrose yield response at Kessem at both sites and seasons. The highest cane yield was recorded in the unsprayed 16-month harvest age treatment, while the highest sucrose yield was recorded in the M + FF ripener combination 12-month harvest age treatment in all the studies. The economic analysis showed the highest marginal rate of return and net revenue in the M + FF ripener combination 12-month harvest age treatment and represents the best cane quality management practice for varieties B52-298 and SP70-1284 at these plantations.
Sugarcane is often harvested at non-optimal maturity. Chemical ripeners (CRs) could be a solution, although they risk killing subsequent ratoon plants (SRPs). This research aimed to unravel glyphosate (Gly) and bispyribac sodium (BS) impacts as CRs on sugarcane maturity and SRPs' growth. The research was conducted in Kebon Agung Sugar Mill, Malang, East Java, Indonesia, from May to July 2022, using the ten-month-old Bululawang variety and was sprayed with a drone. A randomized block design was used with four treatments, i.e., Gly 1,000 mL ha-1 , BS 200 mL ha-1 , BS 100 mL ha-1 , and control. Results showed that BS 200 mL ha-1 led to a greater rise in Cane Content Sugar (CCS) and Sugar Cristal Yield (SCY) than BS 100 mL ha-1 and the control but was still lower than Gly 1 l ha-1. The best harvest time for optimal maturity was six to eight weeks after applying BS 200 mL ha-1. The highest gap was in Gly, i.e., 45% than control and can potentially lower SCY more than other CRs, while the gaps in the 100 and 200 mL ha-1 BS were 7.82% and 11.97%, respectively. The results suggest that low doses of Gly and BS can boost maturity and also avert SRPs' death.
