Saccharine Sorghum Research Articles

Production and Chemical Characterization of Silage from Saccharine Sorghum Fertirrigated with Sugarcane Vinasse.

Distillery vinasse is one of the promising bio-fertilizers, as it contains significant amounts of essential chemical elements, allied with sorghum that is widely used in the diet of ruminant animals and has been considered as an alternative to the production of other cereals or forages. This study aimed to evaluate saccharin sorghum silage from fertilization with vinasse. The research was conducted using the BRS-511, CR-1339, and CR-1342 geno-types. The silage was held for 170 days after sowing, with experimental design in blocks with triple factorial (genotypes x fertilization x inoculation) totaling 54 installments. At 95 days, the silos were opened for sample collection and analysis bromatological analysis. The results indicate the primary source of variation was genotype, characterizing them with different potentials in productivity and better results for BRS-511, CR-1339, and CR-1342. The bromatological results indicate good quality for CR-1339 and CR-1342 hybrids, however, better digestability for BRS-511. There was no observable difference between the factors of fertilization. The inoculation additive assists in the reduction of lignin appears to be high. PCA analysis showed differences between cultivars (BRS-511, CR-1339, and CR-1342) and fertili-zation. However, the PCAs showed the genotypes show similar results with conventional ferti-lization and sugarcane vinasse. The study reflected the possibility of producing sweet sorghum silage with soil sugarcane vinasse fertilization as fertilizer.

Production of biogas by microorganisms with saccharine sorghum straw as substrate with or without alkaline and citric pretreatment

This study proposes the use of mixtures of straws with different pretreatments (citric acid or NaOH: urea) and straw in natura, in anaerobic biodigestion. As this straw is a lignocellulosic material with slow degradation by microorganisms, it is necessary to apply pretreatments, increasing biogas production and consumption of volatile solids. The pretreated material can be used to increase the solids content in anaerobic biodigestion reactors operating with large volumes and low volatile solids loads. This study showed a synergistic effect between substrates with different pretreatments and found the best blend for each hydraulic retention time. The ideal mix up to 31 days of hydraulic retention time was from 33.33% to 50.00% of straw pretreated with NaOH: urea and the remainder with straw pretreated with citric acid. After this period, at 46 days, mixtures containing all three components are desirable. At 61 days, factors such as volatile solids reduction and methane content were no longer significant, with a mixture of straw pretreated with citric acid and NaOH: urea at 50% each. These results confirm the importance of straw pre-treatments to reduce the hydraulic retention time, increasing the potential use of cellulosic materials in biodigestion.

Renewable Sources and their Applications in Biotechnological Processes

Brazil has edaphoclimatic conditions to produce a diversity of crops with energetic potential. Thus, the study aims to correlate the technological parameters of biomasses suitable for fermentation, quantify metabolites produced by yeast FT-858, as well as assess the yield and fermentative efficiency for bioethanol production. It was performed studies of technological qualities of the biomasses and fermentative capacity test. For metabolites production, the yeast FT-858 was pre-grown in liquid medium (YPD 2%), recovered and inoculated in the substrates, and aliquots were collected for analysis of ethanol concentration by gas chromatography and glycerol accumulation by enzymatic kit of triglycerides. The yield and fermentative efficiency were assessed by consumption of sugar using DNS method, and ethanol density using digital densimeter. According to the results, the yeast presented better performance in saccharine sorghum, which also presented more expressive values of fermentative efficiency and yield. Saccharine sorghum has great bioenergetic potential and can be used as complement to sugarcane to increase ethanol production.

Ingestive behaviour and performance of feedlot lambs fed saccharine sorghum and corn silages

This study evaluated the ingestive behaviour and performance of feedlot lambs fed saccharine sorghum and corn silages. Ten animals were randomly selected from a group of 32 uncastrated male Suffolk lambs. The four treatments consisted of diets with 50% of silage made from forage sorghum (BD 1615), two varieties of saccharine sorghum (BRS 506 and BRS 511), and corn (BRS 2223). Ingestive behaviour was observed by a scan sampling method using seven strategically positioned video cameras so as not to interfere with the usual animal behaviour. The animals were observed for three 48-hour periods at 15-day intervals, with a total of 144 hours of observation. Video recordings were then examined to identify the time spent in ruminating, eating, drinking water and idling. Times spent feeding or drinking water were not significantly affected by the treatments. Animals fed forage sorghum silage had higher neutral detergent fibre (NDF) intake (0.41 kg of NDF), thus spent more time ruminating (342 min/day). Rumination time was similar for the BD 1615 and BRS 506 silages and was 85 min/day greater than for the BRS 511 and BRS 2223 silages, which were similar. Average daily gain was greater for BRS 2223 (275 g/day) than for BRS 506 and BRS 511 silages, which were similar (196 g/day). Ingestive behaviour for BRS 511 was similar to that observed for BRS 2223. Ingestive behaviour for BRS 506 was similar to that observed for BD 1615. Average daily gain was related to intake and ruminating efficiency.
 Keywords: eating, idling, roughage, rumination, sheep (Ovis aires)

Paulownia as power culture

The interest for production of energy crops, which biomass may be used as renewable fuel have been grown in 70 years of last century after dramatically rising price of fossil fuels. The energy crops growing have been also stimulated by environmental factors and approval some International political initiatives, like White Paper for a Community Strategy and Action Plan and The Kyoto protocol. After some decreasing, the area of energy crops in EU and North America countries are stabilized. In Ukraine in the last few years there is a gradual increase of part of energy consumption of biopropellant from 1.3 % in 2008 to 3.4 % in 2018 in the general energy consumption of country. As the most widespread energy cultures biomass of that is used as a biopropellant come forward willow, saccharine sorghum and miscanthus. However, the last years industrial plantations of power direction appeared the paulownias taken under growing. This arboreal culture is mainly presented by the artificially shown out hybrid of Paulownia Clone in of Vitro 112®. Paulownia it quickly grows tree that for today occupies the first places for speeds of increase bio the masses, the not demanding to the agrotechnics growing proof to illnesses and wreckers is suitable for recultivation of exhausted and useless for the conduct of traditional agriculture of soils. It is characterized a softwood that successfully can be used also in furniture industry, green mass has high maintenance of albumen confronted with leguminous cultures. Bio mass of paulownia is suitable for the production of bioethanol (it is possible to get a to 0.5 ton of ethanol from a 1 ton of dry wood) and fuel preforms and пелет (power value 4211.1 kkal/kg). Next to that, a paulownia is a melliferous culture from honey the productivity 700 kg/hectare of ecological honey, as during growing does not require chemical treatments. A paulownia can be useful to 20–50 years. After each the offcutss, that is conducted at any time year with an interval in 4–8, a tree grows. At the proper supervision in 7 it is possible to get a 240–350 m³ of quality wood from 1 hectare. Taking into account the features of growing and power descriptions bio the masses of paulownia her growing will be rational with the aim of receipt of high-energy bio mass and commercial timber, and also as a melliferous culture.

Physical-Chemical Composition, Fatty Acid Profile and Sensory Attributes of Meat of Lambs Fed With Saccharine Sorghum Silage

The objective of this work was to evaluate the qualitative and sensory characteristics and the fatty acid profiles of the meat of lambs fed with silages of two saccharine sorghum varieties and compare them with forage sorghum and maize silages. Twenty non-castrated male Suffolk lambs were arranged in a completely randomised block design, and the treatments consisted of the following silages: forage sorghum (FORSOR), saccharine sorghum (‘BRS506’), saccharine sorghum (‘BRS511’) and maize (MAIZE). The animals were slaughtered after 70 days in the feedlot. The carcasses were cooled at 4 °C for 24 h. The longissimus thoracis et lumborum muscle was removed for analysis. No differences (p > 0.05) between treatments were found for chemical composition and qualitative and sensory characteristics of the evaluated meat. Lambs fed with ‘BRS506’ presented muscles with higher total unsaturated and monounsaturated fatty acids and with higher percentages of oleic acid. The BRS506 saccharin sorghum silage increased the meat total unsaturated and monounsaturated fatty acid contents, which are beneficial to human health; thus, this silage can replace maize silage in the feed for finishing lambs.

Adaptability and stability of saccharine sorghum cultivars.

The Brazilian bioenergy sector has been trying the use of saccharine sorghum in order to optimize ethanol production. However, there are few varieties fitted to this objective and little knowledge about their adaptability and stability. Then, the purpose of this work was to study the adaptability and stability of saccharine sorghum, taking into account the effects of the G x E interaction, to select superior genotypes and validate if the two selection methods for identification of genotypes with better phenotypic stability complement one another. Thus, the methodologies of Eberhart and Russell as well as Cruz et al. were used; and according to Eberhart and Russell, the BRS 511 genotype is preferred in ethanol production because it presents highly predictable and responsive behavior to changes in environments for all the traits evaluated in specific or broad conditions. The method also identified the genotypes CMSXS644, CMSXS647 and Sugargraze for green mass production; CMSXS629, CMSXS630, CMSXS646, CMSXS647, BRS 508, BRS509 and CV198 for tons of brix per hectare; and finally, CMSXS629, CMSXS630, CMSXS643, CMSXS646, BRS 506 and BRS 509 for total soluble solid content. The methods used in this study were not complementary to selection genotypes. Key words: Bioethanol, ethanol production, genotype and environment interaction, genetic breeding, Sorghum bicolor (L.) Moench.

Biology and Nutritional Indexes of Spodoptera frugiperda (Lepidoptera: Noctuidae) in Saccharine Sorghum

Saccharine sorghum has been analyzed as a supplementary prime matter for ethanol production, especially during the sugarcane off-season period. However, it has proven to be highly susceptible to insect attacks during the cultivation cycle. The fall armyworm should be emphasized due to its voracity and high damage capacity enhanced by feeding-caused decrease in photosynthetic area. Current analysis studies the biology and determines the nutritional indexes of Spodoptera frugiperda in saccharine sorghum. Cultivars of saccharine sorghum BRS 506, BRS 509 and BRS 511were evaluated. Duration and survival of the egg, caterpillar, pre-pupal and pupal phases were determined, coupled to weight of pupae and caterpillar, life span, fecundity and pre-egg laying period. Although S. frugiperda completed its life cycle on cultivars BRS 506 and BRS 511, egg-laying and egg feasibility rates were low, whereas insects did not lay eggs on cultivar BRS 509. There was no significant difference in feeding intake by S. frugiperda among these three sorghum cultivars. Results suggest that saccharine sorghum is not a suitable host for S. frugiperda. Biological data reveal that the three saccharine sorghum cultivars are recommended for the grain production system since the number of specimens of the next generation is low or null.

Growth and photosynthetic parameters of saccharine sorghum plants subjected to salinity

Plants are often exposed to abiotic stresses such as salinity, which represents a barrier to the cultivation of agricultural species mainly in arid and semi-arid regions. This study evaluated the development of four saccharine sorghum genotypes for tolerance to different salinity levels under greenhouse conditions. The experimental design was a randomized complete block arranged in a 5 × 4 factorial scheme, which corresponded to five levels of irrigation water salinity [electrical conductivities of 0.5 (control), 2.5, 5.0, 7.5, and 10.0 dS m-1] and four saccharine sorghum genotypes (CSF 11, CSF 15, P 76 and P 298), with five replicates. The plants were evaluated for dry mass production, leaf area, height, stalk diameter, leaf gas exchange and relative chlorophyll content. The growth and leaf gas exchange measurements of the saccharine sorghum plants were significantly affected by salinity stress. Among the genotypes, CSF 11 and CSF 15 exhibited smaller reductions in growth, whereas P 298 showed the greatest reduction. These findings show that genotype CSF 11 can be classified as the most tolerant to salt stress, and genotype P 298 is the most sensitive.

Productive performance and quantitative carcass traits of lambs fed saccharine sorghum silage

Abstract: The objective of this work was to evaluate the productive performance and carcass traits of lambs fed silages of different types of sorghum and corn. Thirty-two uncastrated male Suffolk lambs were used. The experimental design was completely randomized, with four treatments (silages) and eight replicates (animals). Silages of the GrandSilo forage sorghum, BRS 506 saccharine sorghum, BRS 511 saccharine sorghum, and the BRS 2223 double-grain corn hybrid were tested. The lambs fed sorghum silages had a lower daily dry matter intake than those fed corn silage. The diet containing corn silage led to 27% greater weight gain, when compared with the treatments with the other silages. In vivo digestibility did not differ among the different silages. Lambs fed corn silage showed the lowest hot and cold carcass yields of 44.71 and 42.62%, respectively, whereas those that consumed BRS 506 sorghum silage showed the highest hot and cold carcass yields of 46.90 and 44.78%. The greater intake by and the better performance of the animals fed corn silage was not enough to enhance production and carcass yield. Lambs fed BRS 506 saccharine sorghum silage have higher efficiency in the conversion of silage into carcass.

Chlorophyll a fluorescence in saccharine sorghum irrigated with saline water

ABSTRACT Soil salinity directly affects plants, interfering in the emission of fluorescence, and promoting the degradation of photosynthetic pigments. Thus, estimating the damage to the photosynthetic apparatus caused by saline water is an important tool to detect abiotic stresses. For this purpose, sorghum plants were cultivated in a greenhouse and irrigated with two water sources (NaCl and salt mixture) with six levels of electrical conductivity (EC) (0, 2.5, 5, 7.5, 10, and 12.5 dS m-1), forming a 6 × 2 factorial in randomized blocks with four repetitions. At 60 days after sowing, the photosynthetic pigments were quantified, the chlorophyll a fluorescence parameters (initial fluorescence [F0]; variable fluorescence [Fv]; maximum fluorescence [Fm]; quantum efficiency of photosystem II - PSII [Fv/Fm]; electron flux per reaction center [ET0/CR]; quantum energy dissipation [DI0/CR] and quantum yield for heat dissipation [φD0]) were evaluated. The photosynthetic pigments were decreased with an increase in the salinity of the irrigation water, and were more expressive at higher electrical conductivities. With the wear on the photosynthetic apparatus by the increase in salinity, a reduction in the emission of the chlorophyll a fluorescence was observed, pointing to a possible photoinhibition of photosystem II.

Resistance of Saccharine Sorghum Cultivars to Sugarcane Borer Diatraea saccharalis

The saccharine sorghum has been investigated as a complementary source of raw material for ethanol production, especially during the sugarcane off-season, however, it has been susceptible to the attack of the sugarcane borer Diatraea saccharalis. The objective of this work was to verify the effect of sorghum cultivars on D. saccharalis’ biological parameters. Cultivars, BRS 506, BRS 509 and BRS 511 were used to determine duration and survival rates of eggs, larvae, pre-pupae and pupa phases, along with larval weight and adult longevity. D. saccharalis completed its biological cycle in all treatments, however, when fed with dry extracts of BRS 509 cultivar, the net reproduction rate, the intrinsic rate of increase and the finite rate of increase was superior from the others. BRS 506 was the cultivar that negatively affected D. saccharalis’ biological parameters, with possible antibiosis effect. Based on this study, the sorghum cultivars evaluated are not recommended for a grain production system, since D. saccharalis’ larvae presented good development when fed with its dry extract incorporated into the diet.

Agronomic and Energetic Potential of Sorghum Evaluated in Two Consecultive Crops

Was to evaluate the productive potential of three sorghum agronomic groups (biomass sorghum, saccharine sorghum and forage sorghum) in two cutting seasons (crop and regrowth) and to perform the energy (GJ/ha/cycle) characterization of biomass. Sample: Six sorghum cultivars in three agronomic groups: biomass sorghum (hybrids BD 7607 and BRS 716), saccharine sorghum (hybrids BD 5404 and BRS 511) and forage sorghum (hybrids BD1615 and BRS 655). Study Design: This cultivars were evaluated in the block design at random, with six replicates and analyzed in time subdivided plots. Place and Duration of the Study: The experiment was conducted in the field being evaluated in two consecutive harvests, during the months of December/2014 to September/2015 and at the end of the cycle of each cultivar the plant evaluations were carried out Methodology: Samples composed of ten plants randomly selected from the useful area of each plot were used: Harvest cycle, regrowth cycle, plant height, total fresh mass production, total dry mass production, percentage participation of the physical components in the total dry mass and total biomass production of the two cutting seasons. The upper calorific power of the physical components of the plants and the potential energy produced were determined. Results: It was verified that the production of total fresh mass was higher in the crop with respect to the regrowth for all the crops and that the cultivars of sorghum biomass BD 7607 and BRS 716 obtained the highest results with total biomass production of 115 and 119 t/ha, respectively. The yield of the cultivars in regrowth was insignificant. The biomass sorghum cultivars BD 7607 and BRS 716 presented the highest yields of energy / ha with 815 and 654 GJ, respectively. Conclusion: The amount of energy produced by each type of sorghum is influenced mainly by its agronomic performance.

EFEITO DA TEMPERATURA E DO pH NO TRATAMENTO DO CALDO DE SORGO SACARINO

Objetivou-se neste estudo avaliar os efeitos de diferentes faixas de temperaturas e pH no tratamento do caldo de sorgo sacarino. O delineamento experimental foi em parcelas sub-subdivididas. Os tratamentos principais foram constituídos por diferentes genótipos de sorgo (BRS509, CV568 e BRS511); os tratamentos secundários por diferentes faixas de pH (6,0, 6,5 e 7,0); e os terciários pelas faixas de temperatura 65˚C, 80˚C e 100˚C. Avaliaram-se as características químico-tecnológicas dos caldos extraído e clarificado. Observou-se que os genótipos BRS 509 e BRS511 apresentam maiores quantidades de açúcar do que o CV568. O tratamento de caldo a pH 6,0 promove menor remoção de açúcares e não açúcares do caldo. O aquecimento do caldo a temperaturas inferiores a 100˚C resulta em flotação do lodo, assim como a remoção do amido presente, em detrimento ao aquecimento a 100˚C, em que se verificou sedimentação do lodo e não remoção de amido, que poderá ser metabolizado pela levedura, quando previamente hidrolisado por enzimas amilolíticas. Conclui-se que o tratamento de caldo a pH 6,0 e temperatura a 100˚C é o mais adequado para o sorgo sacarino.

Plants population and harvesting times influence in saccharine sorghum BRS 506 production

Saccharine sorghum is an excellent option for ethanol production under industrial and agronomic perspectives, due to high green matter production and succulent stalks with fermentable sugars. The aim of this work was to evaluate the harvesting season and plants population effect over theethanol and fodder production from sweet sorghum culture BRS 506. The experiment was installed in November 2012, at (CDTCA/UFLA), located in Lavras (MG). The experimental design was in randomized blocks, with 3 repetitions, factorial scheme 4 x 4 (4 populations: 70, 100, 130 and 160thousand plants ha-1 ; 4 harvesting seasons: flowering (0 days after flowering (DAF), 10 DAF, 20 DAF and physiological maturity at 40 DAF). The variables evaluated at harvesting: green matter weight (GM), dry matter weight (DM), juice volume (JV), total soluble solids (ºbrix), total reducing sugars (TRS) and brix tonnes per hectare (TBH). The populations increase provided the highest JV and it has not affected other variables. The characteristics were influenced by the harvesting seasons. The harvesting season at 40 DAF provided the highest ºbrix. The ºbrix and the TRS showed linear growth with an increase after flowering for plants harvesting. The highest productivities (GM, DM, JV and TBH) were obtained close to 17, 22, 17 and 14 DAF, respectively, favoring higher fodder and ethanolproduction in these stages.

Potential of Saccharine Substrates for Ethanol Production

Brazil, which has a great territorial extension, with fertile soils and availability of water and, in this way, can produce a diversity of vegetal products with bioenergetics potential. Thus, this study aims to evaluate the technological characteristics of saccharine substrates of direct fermentation for ethanol production as well as to analyze the fermentative profile of FT-858 yeast in different culture conditions. For this, a bibliographic survey was carried out comparing the technological qualities of the analyzed biomasses. To evaluate the fermentative capacity, the saccharine substrates were used at concentrations of 18 and 32°Brix at 30 °C for 24 hours in test tubes containing Durhan tubes. For the analysis of the fermentation profile the yeasts were grown in 2% YPD medium and the biomass obtained was used in the saccharine substrates of direct fermentation for 50 hours. The saccharine substrates presented potential for ethanol production: sugar cane and saccharine sorghum. The yeast FT-858 presented fermentation capacity in the different substrates in the concentrations of Brix analyzed, presenting a better fermentative performance in sugarcane broth and the highest concentrations of ethanol occurring in the times of 10 and 15 hours of fermentation for both substrates. DOI: http://dx.doi.org/10.17807/orbital.v10i1.1013

Características morfológicas de sorgo sacarino BRS 501 em deficit hídrico

A cultura do sorgo [Sorghum bicolor (L.) Moench] destaca-se das demais por tolerar tanto o deficit hídrico como o excesso de umidade no solo, em situações ambientais muito secas e/ou muito quentes, nas quais a produtividade de outros cereais torna-se antieconômica. Este trabalho objetivou avaliar os efeitos da irrigação na conformação radicular na fase inicial de desenvolvimento do sorgo sacarino. Nesse propósito, foi utilizada a cultivar BRS 501 submetida a quatro níveis de irrigação que se basearam em 80%, 60%, 40% e 20% da capacidade de campo (CC). A diminuição na disponibilidade de água no solo influenciou negativamente a maioria das características avaliadas com exceção da relação entre o sistema radicular e a parte aérea (SR/PA), diâmetro médio de raiz (DMR) e área radicular específica (ARE). Conclui-se que o crescimento das plantas de sorgo sacarino é sensível à diminuição de água no solo, sendo afetado pela baixa disponibilidade hídrica. A metodologia utilizada, comum a outras culturas, adequa-se ao sorgo sacarino para estabelecer disponibilidades hídricas em estudos com a finalidade de discriminar cultivares tolerantes à seca.

Morpho-anatomical aspects and technological quality of saccharine sorghum submitted to plant regulators

Com o aumento na demanda de combustíveis renováveis, a indústria sucroenergética tem tido como desafio o aumento da produtividade agroindustrial, além da redução dos custos de produção. Atualmente, são escassos os relatos da utilização de reguladores vegetais na cultura do sorgo sacarino. O objetivo deste trabalho foi avaliar aplicação dos reguladores vegetais na qualidade tecnológica e aspectos morfoanatômicos do sorgo sacarino. O ensaio foi realizado na usina Cerradinho em Catanduva SP. As aplicações dos reguladores vegetais foram: etephon nas dosagens de 1,32, 0,66, 0,33 L ha-1, sulfometuron-methyl nas dosagens de 20, 10, 5 g ha-1, thiadizuron nas dosagens de 0,150, 0,100, 0,50 L ha-1, ethyl-trinexapac nas dosagens de 0,80, 0,40, 0,20 L ha-1 e controle. O experimento foi conduzido em Blocos Casualizados, no esquema de parcelas subdivididas com quatro repetições. Foram avaliadas as variáveis tecnológicas: pureza do caldo, açúcares redutores, açúcares totais recuperáveis, brix do caldo, pol do caldo, açúcares teóricos recuperáveis, fibra (%) e mensurados: espessura da epiderme da face adaxial (EAD); espessura da epiderme da face abaxial (EAB); diâmetro do esclerênquima (DE); espessura do mesofilo (MF); diâmetro dos vasos xilemáticos (DX) e diâmetro dos vasos floemáticos (DF). Para as características tecnológicas, os maturadores químicos sulfometuron-methyl e etephon nas doses 5 g ha-1 e 0,33 L ha-1, respectivamente, promoveram os melhores resultados a partir dos 37 dias após a aplicação. Para as características morfonatômicas, o maturador químico thiadizuron na dose 0,100 L ha-1 apresentou os melhores resultados aos 44 dias após a aplicação.

Forage potential and silage quality of four varieties of saccharine sorghum

Abstract: The objective of this work was to evaluate four cultivars of saccharine sorghum (Sorghum bicolor) regarding productivity, chemical composition of plant parts, and quality of the ensiling process. The tested varieties of saccharine sorghum were BRS 506, BRS 508, BRS 509, and BRS 511. The experiment was divided into two trials, which assessed: production, morphological composition, and nutritional quality of the saccharine varieties; and fermentation quality and nutritional value of the silage produced from the saccharine varieties. Of the tested varieties, BRS 509 and BRS 511 showed the highest total dry matter (DM) production. The BRS 508 variety presented the highest in vitro digestibility of the whole plant (70.65% DM). During ensiling, the BRS 509 variety showed the lowest DM loss (8.87%). The highest effluent production was observed for BRS 506 and BRS 508, with yields of 521.87 and 393.16 kg Mg-1 ensiled DM, respectively. The BRS 511 variety is the most recommended because of the best results for plant production and nutritional quality. Regarding the ensiling process, BRS 509 presents the lowest fermentation losses and the highest nutritional value of silage.

AVALIAÇÃO DO POTENCIAL AGRONÔMICO DE ALGUMAS CULTIVARES DE SORGO SACARINO (Sorghum bicolor)

It was realized, during the 1981/82 period, in field conditions, at School of Agronomy, Universidade Federal de Goias, a National Test of Saccharine Sorghum (Sorghum bicolor), formed by ten cultivars supplied by government and private institutions that produce and sell sorghum seeds in Brazil. Hybrid cultivars and varieties showed similar behavior. Hybrid BR-602 presented a higher yield of hysks without straw (24.44 t/ha), statistically equal to variety BR-501 (26.97 t/ha) which presented the higher weight of juice (13.51 t/ha).