scholarly journals Histochemical Screening of Leaves Compared to in situ and in vitro Calluses of Solanum aculeatissimum Jacq.

2017 ◽  
Vol 9 (7) ◽  
pp. 80 ◽  
Author(s):  
Luciana Arantes Dantas ◽  
Anielly Monteiro Melo ◽  
Paulo Sérgio Pereira ◽  
Lucas Anjos Souza ◽  
Sebastião Carvalho Vasconcelos Filho ◽  
...  
Keyword(s):  
Folk Medicine ◽  
In Vitro Cultivation ◽  
Ms Medium ◽  
Primary And Secondary Metabolites ◽  
Randomized Design ◽  
Induction Experiment ◽  
2,4 Dichlorophenoxyacetic Acid ◽  
Solanum Aculeatissimum

Solanum aculeatissimum Jacq. is a shrub considered to have valuable medicinal potential in folk medicine in China and Nepal. The fruit extract is used for toothache, scabies, headache, dandruff and lice infestation. A limited number of reports address techniques of tissue culture for this plant. Therefore, the objective of the present study was to establish the species in vitro from seeds and subsequently to compare the production of primary and secondary metabolites in the plant’s leaves in situ and in vitro and in calluses obtained from leaf segments. Seedlings were established from seeds in Murashige and Skoog (MS) medium with a 50% salt concentration.The seedlings were kept under a photoperiod of 16 h of photosynthetically active radiation at 45-55 µmol m-2 s-1 provided by fluorescent bulbs. The callus induction experiment followed a completely randomized design consisting of 2 doses of kinetin (KIN), 2.5 and 10 mg L-1, in the absence or presence of light. Segments were inoculated in glass bottles containing 50% MS medium, 30 g L-1 of sucrose, 3.5 g L-1 of agar and 1 mg L-1 of 2,4-D (2,4-dichlorophenoxyacetic acid), with the pH adjusted to 5.7±0.03. We observed that in vitro cultivation of calluses resulted in greater secondary metabolite production and accumulation, regardless of KIN concentration. In calluses, the best alternative for potentiation occurred in cultivation in the absence of light when compared to the tissues of both in situ and in vitro leaves.

scholarly journals IN VITRO MULTIPLICATION OF CASSAVA VARIETIES

2019 ◽  
Vol 22 (4) ◽  
Author(s):  
Renato Fernando Menegazzo ◽  
Max Emerson Rickli ◽  
André Werlang Menegazzo ◽  
Ana Daniela Lopes ◽  
Candida Elisa Manfio ◽  
...  
Keyword(s):  
Large Scale ◽  
Culture Media ◽  
In Vitro Cultivation ◽  
Ms Medium ◽  
Randomized Design ◽  
Significant Difference ◽  
In Vitro Establishment ◽  
The University ◽  
Short Time

The implantation of a model of sustainable development for agriculture can happen with the contribution of the mandiocultura. But for this, culture needs to be strengthened. In vitro propagation is an instrument for this purpose. Micropropagation can provide growers with large quantities of vigorous and healthy cassava seedlings in a short time. The objective of this study was to evaluate the in vitro establishment of four varieties of cassava cultivated in the municipality of Colorado do Oeste, State of Rondônia, popularly known as Arara, Caturra, Cacau Vermelha and Roxinha. For that, an experiment was carried out in the Laboratory of In Vitro Cultivation at the Pole of Technological Innovation of the University of Cruz Alta (UNICRUZ), with a completely randomized design in a 4 x 2 factorial scheme, with 6 replications. The treatments consisted of explants grown in Murashige and Skoog (MS) medium without the presence of growth regulator and MS medium supplemented with of 6-benzylaminopurine (BAP). The results indicate that the average contamination percentage of the explants was 47.19%, differing among the varieties. The best growth response in culture media, in the multiple comparison of means (Scott-Knott's test, 5%), was obtained with MS medium without BAP addition, with significant difference between varieties. Under the conditions of this experiment, it was evidenced that micropropagation is a viable tool for obtaining varieties of interest, with desired phytosanitary qualities, with varietal and large scale authenticity.

scholarly journals Impact of saline solution on growth and photosystem II during in vitro cultivation of Bromelia antiacantha (Bromeliaceae)

Rodriguésia ◽  
2021 ◽  
Vol 72 ◽  
Author(s):  
Rosiane Cipriano ◽  
João Paulo Rodrigues Martins ◽  
Luiz Carlos de Almeida Rodrigues ◽  
Antelmo Ralph Falqueto ◽  
Andreia Barcelos Passos Lima Gontijo
Keyword(s):  
Photosystem Ii ◽  
Saline Solution ◽  
Growth Traits ◽  
Photosynthetic Apparatus ◽  
Solution Culture ◽  
In Vitro Cultivation ◽  
Ms Medium ◽  
Number Of Leaves ◽  
Positive Effect

Abstract In vitro cultivation is a technique with wide application for micropropagation. However, each species has specific mineral needs for this type of cultivation. The objective was to assess the impacts of the saline solution culture medium on the performance of the photosynthetic apparatus and growth of Bromelia antiacantha during in vitro cultivation, and thus to elucidate the mitigation of the nutritional imbalance that can interfere in the electron transport in the plants. Plants were cultivated in a salt concentration gradient of MS medium (0%, 25%, 50%, 75% or 100%). The growth traits and fluorescence a chlorophyll were analyzed. Intermediate concentrations of MS medium resulted in plants with a larger number of leaves and longer root length. The OJIP curves and results of the JIP test showed that the plants grown without MS salts presented less efficient photosystem II (PSII), as indicated by the performance index [Pi(total)]. In contrast, the intermediate concentrations (MS 25% and 50%) had a positive effect on the performance of the photosynthetic apparatus. The MS 25% medium can be used for in vitro cultivation of B. antiacantha, enabling the development of plants with suitable physiological qualities for planting in the field.

scholarly journals Diazotrophic bacteria in the growth of micropropagated ornamental pineapple

2019 ◽  
Vol 13 (2) ◽  
pp. 269-278
Author(s):  
Adriano Bortolotti Silva ◽  
Ligiane Aparecida Florentino ◽  
Dalvana De Sousa Pereira ◽  
Paulo Roberto Correa Landgraf ◽  
Ana Carolina Rodrigues Alves ◽  
...  
Keyword(s):  
Shoot Growth ◽  
Ex Vivo ◽  
Control Treatment ◽  
In Vitro Cultivation ◽  
Ms Medium ◽  
Ex Vitro ◽  
Diazotrophic Bacteria ◽  
Bacterial Strains ◽  
Indole 3 Acetic Acid

Ornamental pineapple is a hardy plant with significant landscaping value. Tissue culture of plants is viable for producing plants with a high phytosanitary quality. However, one of the difficulties with this cultivar is the acclimatization process, which is slow and can cause losses. The objective of the present study was to verify the potential of inoculation with diazotrophic bacteria for in vitro and ex vivo growth of ornamental pineapple. A group of diazotrophic bacterial strains selected at the Universidade José do Rosário Vellano (UNIFENAS) was prioritized in this study, and the treatments included bacterial strains UNIFENAS (100-13, 100-60, 100-68, 100-153, 100-167 and 100-198). These strains were evaluated in terms of their capacity to produce indole 3-acetic acid. Subsequently, plants were cultivated in a medium composed of MS medium salts (1/4), adding 1 mL of the bacterial strain. In the control treatment, the plants were maintained in 2 mL of MS medium. 7 days after inoculation, the plants were transplanted into the MS, where they were maintained for 30 days. After in vitro cultivation, the plants were transferred to pots containing commercial Plantmax® substrate and maintained under these conditions for 60 days. The diazotrophic bacteria were able to synthesize auxins, and their inoculation promoted greater growth in vitro and ex vitro in the plants. In the acclimatization phase, the plants inoculated with UNIFENAS strains (100-60, 100-68 and 100-153) promoted a higher shoot growth, chlorophyll content and nitrate reductase enzyme activity.

scholarly journals Teknik sambung mikro in vitro kina Cinchona succirubra dengan C. ledgeriana In vitro micrografting technique of Chincona succirubra and C. ledgeriana

2016 ◽  
Vol 74 (2) ◽  
Author(s):  
Nurita TORUAN-MATHIUS ◽  
. LUKMAN ◽  
. AGUS-PURWITO
Keyword(s):  
Tissue Culture ◽  
Clonal Propagation ◽  
Ms Medium ◽  
Randomized Design ◽  
Top Soil ◽  
Completely Randomized Design ◽  
Reduced Light ◽  
In Vitro Micrografting ◽  
Cinchona Ledgeriana

Summary In vitro micrografting is a technique for grafting scions to rootstocks of plantlets from tissue culture. In vitro micrografting of Cinchona plant has never been carried out. The objective of this research was to obtain the best method of in vitro micrografting, medium for micrografted plantlets, and acclimatization  for Cinchona plantlets from  micrografting. The research consisted of (i) optimization of micrografting method, (ii) optimization of medium for growing plantlets, and (iii) acclimatization of micrografted plantlet. Plantlets of four-month-old of  C. ledgeriana  QRC clone were used as  scions, while of C. succirubra as  rootstocks. Each of experiments was arranged according to Completely Randomized Design, consisted of  combination of scion and rootstock and type of micro-grafting with 10 replicates. Parameters measured were  the percentage of survived plantlet, leaf number, and callus productions on union area, and percentage of survived  plantlet. The results show that V type of micrografting was the best for Cinchona micrografting. MS medium with the addition of 3 mg/L IBA was the best medium for growing of micrografted plantlet. Husk charcoal mixed with top soil (1 : 1) was the best medium for acclimatization.  Acclimatization  consisted  of two steps: preaclimatization in a culture room with 12- hour photoperiod at temperature 25 – 27oC  for two weeks,  followed by aclimatization in a plastic house with  70% reduced light intensity for one month. Using this method, 90% of the seedlings were survived. It is concluded that in vitro micrografting can be used as a technique for clonal propagation of Cinchona sp.Ringkasan  Teknik sambung mikro (mikrografting) in vitro adalah teknik penyambungan potongan batang atas pada batang bawah dalam kultur jaringan.  Pada tanaman kina teknik sambung mikro  in vitro belum pernah dilakukan. Tujuan penelitian ini adalah  menetapkan tipe sambung mikro, medium terbaik untuk planlet hasil sambung  mikro, dan perbanyakan tanaman kina dengan sambung mikro. Pelaksanaan percobaan meliputi (i) optimasi tipe sambung, (ii) optimasi  medium, dan (iii) aklimatisasi planlet hasil sambung mikro. Bahan tanaman yang digunakan sebagai batang atas adalah planlet Cinchona ledgeriana klon QRC, sedangkan sebagai batang bawah digunakan planlet  C. succirubra, berumur empat bulan. Masing- masing percobaan disusun dengan Rancangan Acak Lengkap terdiri dari dua taraf yaitu  kombinasi batang bawah dengan batang atas bentuk sambung tipe V dan L dilakukan  dengan 10 ulangan. Peubah yang diukur meliputi persentase planlet yang bertahan hidup,  jumlah daun,  berkalus atau tidak berkalus pada daerah pertautan, dan persentase planlet yang bertahan hidup. Hasil yang diperoleh menunjukkan bahwa tipe V merupakan cara sambung  mikro  yang terbaik. Medium MS dengan penambahan 3 mg/L IBA adalah medium terbaik untuk pertumbuhan dan perakaran planlet hasil sambung mikro.  Aklimatisasi planlet dilakukan dengan medium tumbuh arang sekam : top soil (1 : 1) yang disterilkan. Tahapan aklimatisasi adalah pre-aklimatisasi dalam ruang kultur  suhu 25 -     27 oCdengan pencahayaan 12 jam per hari dan diikuti dengan aklimatisasi di rumah plastik bernaungan 70% paranet. Dengan metode aklimatisasi ini  90% dari bibit mampu bertahan hidup. Kesimpulan dari penelitian ini menunjukkan bahwa teknik sambung mikro dapat digunakan untuk perbanyakan klonal   Cinchona sp..

scholarly journals In vitro culture of jambu with different growth regulators

2020 ◽  
Vol 38 (2) ◽  
pp. 134-138
Author(s):  
Susan P Almeida ◽  
Joanne MM Souza ◽  
Andredy MT Amorim ◽  
Sérgio AL de Gusmão ◽  
Rodrigo ORM Souza ◽  
...  
Keyword(s):  
Growth Regulators ◽  
Callus Induction ◽  
Nodal Segments ◽  
Root Production ◽  
In Vitro Cultivation ◽  
Average Height ◽  
Ms Medium ◽  
Fresh Matter ◽  
Friable Callus

ABSTRACT The aim of this study was to establish the best concentrations of growth regulators for in vitro cultivation of jambu for a subsequent elaboration of an efficient micropropagation protocol. After sterilized, the seeds were inoculated on different media (MS, ½MS and water-agar) for in vitro germination. Nodal segments of in vitro germinated jambu seedlings were used as explants in the micropropagation with different concentrations of 6-benzylaminopurine (BAP) (0.0; 0.125; 0.25; 0.50 and 0.75 mg L-1) and callus induction with 2.4- dichlorophenoxyacetic acid (2.4-D) (0.0; 0.25; 0.50; 0.75 and 1.0 mg L-1) on Murashige & Skoog’s (MS) medium. The highest germination rates were obtained on MS medium with better seedling development and greater height (3.7cm). In micropropagation, the best treatment was obtained on 0.125 BAP (T2), with an average of 2.2 sprouts/explant, average height of 2.4 cm and vigorous sprouts. In callus induction, all treatments with 2.4-D had developed friable calluses in 30 days and using doses of 0.25 and 0.50 mg L-1 provided greater fresh matter. The induction of friable callus and the root production occur without supplementation of exogenous growth regulator.

scholarly journals Initial Growth of Seedlings of Diferent Pineapple Cultivars in Boa Vista, RR

2020 ◽  
Vol 24 (1) ◽  
pp. 41-46
Author(s):  
Deyse Cristina Oliveira Da Silva ◽  
Sandra Catia Pereira Uchôa ◽  
José Maria Arcanjo Alves ◽  
Valdinar Ferreira Melo ◽  
Cineone Nascimento Da Silva ◽  
...  
Keyword(s):  
Climatic Conditions ◽  
Leaf Length ◽  
Export Market ◽  
In Vitro Cultivation ◽  
Initial Growth ◽  
Vegetative Development ◽  
Percentage Survival ◽  
Randomized Design ◽  
Fruit Growing

Atualmente, no Brasil, o cultivo do abacaxizeiro, em escala comercial, é quase que exclusivamente com as cultivares Smooth Cayenne e Pérola, no entanto, ambas são suscetíveis a fusariose. A inserção de novas cultivares, com aceitação no mercado de exportação e resistente à fusariose é imprescindível para o sucesso da cultura. O objetivo deste estudo foi avaliar o desenvolvimento vegetativo precoce de cinco cultivares de abacaxi derivadas de micropropagação (BRS Ajubá, BRS Imperial, IAC Fantástico, Pérola e BRS Vitória). As mudas foram produzidas e aclimatizadas no Laboratório de Biotecnologia Biomudas, localizado em Venda Nova do Imigrante – ES, sendo posteriormente transportadas para Boa Vista, RR para implantação do experimento, onde foram conduzidas à casa de vegetação, sob condições climáticas controladas. Utilizou-se o delineamento inteiramente casualizado, em esquema de parcelas subdivididas, sendo cinco cultivares de abacaxizeiro (BRS Ajubá, IAC Fantástico, BRS Imperial, Pérola e BRS Vitória), oriundas de micropropagação, aleatorizadas nas parcelas e cinco épocas de avaliação (30, 60, 90, 120 e 150 dias após o transplantio - DAT) nas subparcelas, com quinze repetições. As variáveis de desenvolvimento vegetativo avaliadas foram: altura da planta, diâmetro da roseta, número de folhas, comprimento e largura de folha ”D”, além da percentagem de sobrevivência, ao final do experimento. As cultivares IAC Fantástico e Pérola apresentaram maior desenvolvimento vegetativo em relação à BRS Ajubá, BRS Imperial e BRS Vitória. As cultivares IAC Fantástico e Pérola, em razão da maior precocidade, podem ser transplantadas para local definitivo a partir de 30 DAT das mudas em casa de vegetação, as demais cultivares requerem 150 DAT. Palavras-chave: Aclimatação de Plantas. Crescimento de Mudas. Cultivo in vitro. Fruticultura. Micropropagação de Plantas.   Abstract Currently, the commercial pineapple cultivation in Brazil relies almost exclusively on the cultivars Smooth Cayenne and Pérola. However, both are susceptible to fusariosis. Develment of new cultivars, that are both acceptable to the export market and resistant to fusariosis, is essential for the continued crop success. The objective of this study was to evaluate early vegetative development of five micropropagation-derived pineapple cultivars (BRS Ajubá, BRS Imperial, IAC Fantástico, Pérola and BRS Vitória). Seedlings were produced and acclimatized at the Biomudas Biotechnology Laboratory, Venda Nova do Imigrante, Espírito Santo, Brazil, and were then transported to Boa Vista, Roraima, for the experiments. Here they were placed in a greenhouse under controlled climatic conditions and a completely randomized design implemented, using a subdivided plots scheme, with the micro-porpergation generated seedlings. Location randomized within plots, and evaluation running for five different periods (30, 60, 90, 120 and 150 days after transplant - DAT) in the subplots, with fifteen replicates. Evaluated vegetative development variables weere: plant height, rosette diameter, number of leaves, "D" leaf length and width, as well as percentage survival at experiment end. Cultivars IAC Fantástico and Pérola showed greater vegetative development than BRS Ajubá, BRS Imperial and BRS Vitória. The cultivars IAC Fantástico and Pérola, due to their greater precocity, can be transplanted to a final growth location 30 days after seedling transplantion into a greenhouse, while other cultivars require 150 DAT occur. Keywords: Plants Acclimation . Seedlings Growth. In vitro Cultivation. Fruit Growing. Pineapple Micropropagation .    

scholarly journals In Vitro Multiplication and NMR Fingerprinting of Rare Veronica caucasica M. Bieb

Molecules ◽  
2021 ◽  
Vol 26 (19) ◽  
pp. 5888
Author(s):  
Desislava I. Mantovska ◽  
Miroslava K. Zhiponova ◽  
Milen I. Georgiev ◽  
Tsvetinka Grozdanova ◽  
Dessislava Gerginova ◽  
...  
Keyword(s):  
Ex Situ ◽  
Nodal Segments ◽  
Cultivated Plants ◽  
In Vitro Cultivation ◽  
Ms Medium ◽  
Ex Vitro ◽  
Biotechnological Approach ◽  
Iridoid Glucosides ◽  
Development In Vitro

Micropropagation of rare Veronica caucasica M. Bieb. was achieved by successful in vitro cultivation of mono-nodal segments on MS medium supplemented with 1.0 mg L–1 6-benzylaminopurine (BA) and then transferring the regenerated plants on hormone free basal MS medium for root development. In vitro multiplicated plants were successively acclimated in a growth chamber and a greenhouse with 92% survival. The number of plastid pigments and the total phenolics content in in vitro cultivated and ex vitro adapted plants were unchanged, and no accumulation of reactive oxygen species (ROS) was detected by staining with 3-3′-diaminobenzidine (DAB) and 2′,7′-dichlorofluorescein diacetate (DCF-DA). Nuclear Magnetic Resonance (NMR) fingerprinting allowed for the identification of the major alterations in metabolome of V. caucasica plants during the process of ex situ conservation. Iridoid glucosides such as verproside, aucubin and catalpol were characteristic for in vitro cultivated plants, while in ex vitro acclimated plants phenolic acid–protocatechuic acid and caffeic acid appeared dominant. The successful initiation of in vitro and ex vitro cultures is an alternative biotechnological approach for the preservation of V. caucasica and would allow for further studies of the biosynthetic potential of the species and the selection of lines with a high content of pharmaceutically valuable molecules and nutraceuticals.

scholarly journals Optimization of in vitro rooting protocol for tomato (Lycopersicon esculentum mill.) varieties

2020 ◽  
Vol 12 (3) ◽  
pp. 365-371
Author(s):  
Endalkachew Baye ◽  
Temesgen Matewos ◽  
Derbew Belew
Keyword(s):  
Lycopersicon Esculentum ◽  
Root Length ◽  
In Vitro Rooting ◽  
Root Induction ◽  
Ms Medium ◽  
Lycopersicon Esculentum Mill ◽  
Randomized Design ◽  
Optimized Protocol ◽  
Completely Randomized Design

In vitro rooting of micropropagated shoots were carried out with the aim of evaluating the root induction responses of two tomatoes (Lycopersicon esculentum MILL) varieties (Gelilema and Chali) using Indole -3- butyric acid (IBA). Seven levels of IBA (0.0, 0.25, 0.5, 0.75, 1.0, 1.25 and 1.5 mg L-1) were used in a completely randomized design (CRD) in factorial combinations (seven level of IBA*two varieties) with three replications.  After the plantlets were kept in the rooting media for three weeks, data on rooting percentage, number of roots/shoots and root length in cm were collected. The analysis of variance showed that the interaction of IBA*Var was highly significantly different for rooting percentage, a number of roots/shoot and root length at p<0.01. The highest rooting percentage (100.00±0.00), number of roots/shoot (14.20±0.35) and root length (10.7±0.29) were received from Chali on free Murashige and Skoog medium (MS). At the same time, the lowest percentage of rooting (11.11±0.00), number of roots/shoot (0.887±0.19) and root length (1.00±0.00 cm) were obtained from Gelilema on MS+1.5mg/l IBA. For acclimatization, the in vitro rooted shoots were transplanted into plastic pots containing a mixture of oven sterilized soil and sand at a ratio of 2:1. After three weeks, a survival rate of 67.7% for Chali and 58.1% for Gelilema was obtained. From the above result, it can be concluded that free MS medium was the best for in vitro rooting of the two tomato varieties. The optimized protocol will be useful for rapid in vitro multiplication of the two tomato varieties.

scholarly journals The effect of 2,4 dichlorophenoxyacetic acid on in vitro callogenesis of cocoa (Theobroma cacao L.)

2015 ◽  
Vol 31 (2) ◽  
pp. 90-98
Author(s):  
Sulistyani Pancaningtyas
Keyword(s):  
Acetic Acid ◽  
Somatic Embryogenesis ◽  
Embryogenic Callus ◽  
Theobroma Cacao ◽  
Randomized Design ◽  
Significant Difference ◽  
2,4 Dichlorophenoxyacetic Acid ◽  
Dichlorophenoxy Acetic Acid ◽  
Theobroma Cacao L

Cocoa (Theobroma cacao L.) development using modern breeding techniques can be facilitated by propagation of planting material through somatic embryogenesis. Various factors that may affect embryogenesis are the composition of culture medium and culture condition. Hormone commonly used to initiate the formation of callus is auxin with type 2.4-D (2.4 Dichlorophenoxy acetic acid). The aim of this study was to determine the effect of the addition of 2.4 -D hormoneson the process of cocoa embryogenesis. The treatments were arragged in factorial combination in completely randomized design, which consisted of two factors. Thefirst factor was the concentration of auxin 2,4-D 25 %, 50 %, 75 %, and 100 %; and the second factor was cocoa clones; Sulawesi 01 and Sulawesi 02. The resultshowed that the addition of 2.4-D hormone up to 100% on somatic embryogenesis of cocoa for Sulawesi 01 clone was not significantly different from Sulawesi 02 clone for all parameters. While on the addition of 2.4-D, there was significant difference between Sulawesi 01 and 02. Cocoa embryogenic callus using the addition of 2.4-D (25%-100%) was significantly different from control. Increased concentrations of 2,4-D hormone which is applied onto media would inhibit the formation of the somatic embryo. Addition of 2.4 D 25%, encouraged towards non-embryogenic callus. Keywords: 2.4 Dichlorophenoxy acetic acid, embryogenic callus, somatic embryos, cocoa, medium culture, hormone

scholarly journals Efecto de Caryodendron orinocense sobre la degradación de la materia seca

2017 ◽  
Vol 28 (3) ◽  
pp. 667
Author(s):  
Pablo Losada Aguilar ◽  
Aurora Cuesta Peralta ◽  
Juan De Jesús Vargas Martínez
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Animal Nutrition ◽  
Carbohydrate Concentration ◽  
Randomized Design ◽  
In Situ Conditions ◽  
Dry Matter Degradation ◽  
Animal Sciences

The objective of the present study was to evaluate the in vitro and in situ dry matter degradation by including cacay cake (Caryodendron orinocense) on a diet based on Brachiaria dictyoneura. The experiment was developed in an animal nutrition laboratory on the Animal Sciences Faculty at the Universidad de Ciencias Aplicadas y Ambientales, Bogotá, Colombia, in July 2015. Four treatments were evaluated: B. dictyoneura, cacay cake and two mixtures of B. dictyoneura: cacay cake (80:20 and 60:40). The chemical composition and the in vitro and in situ degradability of the dry matter and the crude protein, at 48 hours were determined. The variables were analyzed through a complete randomized design with four treatments. The inclusion of cacay cake decreased the cell wall-associated with carbohydrate concentration and increased the higher digestibility nutrients; the crude protein and dry matter, in situ and in vitro degradability increased 22, 6 and 38%, respectively. In conclusion, the inclusion of cacay cake on a diet of B. dictyoneura improves dry matter degradation in vitro and in situ conditions.

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