Inheritance Pattern and Association of Qualitative and Quantitative Traits in Cotton (Gossypium hirsutum L.) for Sustainable Breeding Goal

2019 ◽  
pp. 1-8
Author(s):  
Saira Sattar ◽  
Bilal Nawaz ◽  
Muhammad Ishaq ◽  
Razia Sultana ◽  
Bilal Bashir ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Plant Height ◽  
Textile Industry ◽  
Block Design ◽  
Raw Material ◽  
Inheritance Pattern ◽  
Gossypium Hirsutum L ◽  
F2 Population ◽  
Boll Weight ◽  
Effective Selection

Background: Cotton (Gossypium hirsutum L.) is the most important fiber crop of the world and commonly known as white gold. It plays an important role in the economy of Pakistan. It provides raw material to the local textile industry and generates considerable amount of foreign exchange. The yield of cotton is lower in Pakistan. Knowledge of association among different traits is important for the development of cultivars with better yield and quality characters. Materials and Methods: In this research, two parents (PB-38 and Jambo Okra) and their crosses sown in randomized complete block design with three replications to sort out best performing genotypes for these profitable traits (plant height, number of sympodial branches, number of monopodial branches, leaf type, boll size, boll shape, number of bolls per plant, boll weight, ginning out turn, 100 seed weight and seed cotton yield). Results: Analysis of variance (ANOVA) revealed that parental and their F2 population showed significant differences for all the observed traits. Correlation and inheritance pattern of all characters provides information of association among all traits and percentage of inheritable attributes. Conclusions: The association and inheritance pattern study provide us useful information for effective selection and sustainable breeding programs. Heritability estimations revealed that heritability of traits fluctuate as following order; monopodial branches> ginning outturn>boll weight>sympodial branches>plant height>yield>number of bolls plant-1 with heritable percentages 99%, 90%, 89%, 64%, 60%, 60% and 55% respectively.

scholarly journals Respon Pemberian Paclobutrazol pada Beberapa Varietas Kapas (Gossypium hirsutum L.) di Lahan Sawah Sesudah Padi

2016 ◽  
Vol 3 (1) ◽  
pp. 30
Author(s):  
Budi Santoso ◽  
Fitriningdyah Tri Kadarwati
Keyword(s):  
Gossypium Hirsutum ◽  
Block Design ◽  
Natural Fibre ◽  
Raw Material ◽  
Paddy Fields ◽  
Cotton Production ◽  
Gossypium Hirsutum L ◽  
Marginal Lands ◽  
Productivity Level ◽  
Randomized Block Design

<p>Kapas (Gossypium hirsutum L.) merupakan penghasil serat alam yang digunakan untuk bahan baku tekstil. Pengembangan kapas diarahkan ke lahan-lahan marginal, walaupun sebagian ada yang ditanam pada sawah sesudah padi. Tingkat produktivitas serat kapas, saat ini masih rendah sekitar 0,8 sampai dengan 1 ton per hektar. Usaha peningkatan produksi kapas antara lain dengan pemberian zat stimulan (paclobutrazol), teruta-ma untuk memacu pertumbuhan vegetatif dan generatif seperti tinggi tanaman, jumlah cabang, jumlah bu-nga, dan jumlah buah. Kedua komponen tersebut menjadi penentu hasil serat. Paclobutrazol adalah zat stimu-lan bagi tanaman. Penelitian dilaksanakan di Kebun Percobaan Sumberrejo, Bojonegoro pada bulan Mei sam-pai dengan Oktober 2010, pada lahan sawah sesudah padi. Perlakuan disusun secara faktorial dengan meng-gunakan rancangan acak kelompok yang diulang sebanyak empat kali. Sebagai faktor pertama adalah 4 varietas kapas yang terdiri atas 1) Kanesia 8, 2) Kanesia 13, 3) Kanesia 14, dan 4) Kanesia 15. Faktor kedua adalah pemberian paclobutrazol melalui penyemprotan pada tanaman dengan dosis: a) 0; b) 1,50 l/ha diberikan sekali pada umur 60 hari; dan c) 1,50 l/ha diberikan dua kali umur 60 hari dan 75 hari. Hasil penelitian menunjukkan bahwa kapas varietas Kanesia 8 dan 13 yang ditanam di lahan sawah sesudah padi mempunyai pertumbuhan vegetatif dan generatif optimal, kemudian disusul dengan Kanesia 13, Kanesia 14, dan Ka-nesia 15. Paclobutrazol yang disemprotkan pada tanaman kapas, tidak berpengaruh nyata terhadap pertumbuhan baik vegetatif maupun generatif. Hasil kapas berbiji untuk varietas kapas Kanesia 8 dan Kanesia 13 sama, masing-masing sebesar 1.643 kg/ha dan 1.686 kg/ha.</p><p> </p><p>Cotton is a natural fibre crop for some textile raw material. The development of cotton is directed mainly to marginal lands, although few of it is planted in paddy fields after rice harvested. The productivity level of cotton fibre, is still low, about 0.8 to 1 ton per hectare. Effort to increase cotton production is done through the application of growth regulator aiming at enhancing to the growth of plant height, number of branches, number of flower, and boll. These components are fibre determinans. Research conducted at Sumberrejo Ex-perimental Garden, Bojonegoro from May to October 2010, in paddy fields after rice harvested. Factorial treat-ment arranged using randomized block design repeated four times. The first factor consisting of four cotton varieties: 1) Kanesia 8, 2) Kanesia 13, 3) Kanesia 14, and 4) Kanesia 15. The second factor is application of pa-clobutrazol by spraying the plants with usage of: a) 0, b) 1.50 l/ha given once at age 60 days, and c) 1.50 l/ ha given twice at the age of 60 days and 75 days. The research showed that Kanesia 8 and Kanesia 13 varie-ties gave optimum vegetative and generative growth followed with Kanesia 13, Kanesia 14, and Kanesia 15. Paclobutrazol did not contribute significant effect on the growth of both vegetative and generative of cotton. The productivity of seed cotton of Kanesia 8 and Kanesia 13, 1,643 kg/ha and 1,686 kg/ha, respectively.</p>

scholarly journals IRRIGAÇÃO SUPLEMENTAR DO ALGODOEIRO COM ÁGUA RESIDUÁRIA TRATADA: ANÁLISES BIOMÉTRICAS E PRODUÇÃO DE BIOMASSA

Irriga ◽  
2020 ◽  
Vol 25 (4) ◽  
pp. 683-688
Author(s):  
Antonio Flavio Batista De Araujo ◽  
Claudivan Feitosa de Lacerda ◽  
Eduardo Santos Cavalcante ◽  
Jonnathan Richeds da Silva Sales ◽  
Raimundo Nonato Távora Costa ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Block Design ◽  
Treated Wastewater ◽  
Severe Drought ◽  
Gossypium Hirsutum L ◽  
Stage Of Development ◽  
Supplementary Irrigation ◽  
Historical Series ◽  
Cotton Plants ◽  
E Mail

IRRIGAÇÃO SUPLEMENTAR DO ALGODOEIRO COM ÁGUA RESIDUÁRIA TRATADA: ANÁLISES BIOMÉTRICAS E PRODUÇÃO DE BIOMASSA     ANTONIO FLAVIO BATISTA DE ARAUJO1; CLAUDIVAN FEITOSA DE LACERDA2; EDUARDO SANTOS CAVALCANTE3; JONNATHAN RICHEDS DA SILVA SALES4; RAIMUNDO NONATO TÁVORA COSTA5 E FERNANDO BEZERRA LOPES6.   1Doutorando, Departamento de Engenharia Agrícola, UFC, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: [email protected].   2Professor Doutor, Departamento de Engenharia Agrícola, UFC, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: [email protected].  3Doutor, Departamento de Engenharia Agrícola, UFC, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: [email protected]. 4Mestrando Departamento de Engenharia Agrícola, UFC, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: jonnathanagro@gmail,com.  5Professor Doutor, Departamento de Engenharia Agrícola, U.F.C, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: [email protected]. 6Professor Doutor, Departamento de Engenharia Agrícola, U.F.C, Av. Mister Hull 2977, Bloco 804, Campus do Picí, 60450-760, Fortaleza, Ceará, Brasil, e-mail: [email protected].     1 RESUMO   O uso das águas residuárias tratadas em lagoas de estabilização na irrigação suplementar, desponta como uma estratégia para incrementar a produção agrícola de forma sustentável durante a estação das chuvas, eliminando, pelo menos parcialmente, as perdas associadas aos veranicos. Nesse contexto, o objetivo deste trabalho foi avaliar os impactos da irrigação suplementar do algodoeiro, sem e com adubação química com NPK, e simulando-se as condições de umidade do solo baseada em uma série histórica de dados de precipitação dos últimos 30 anos para a região do Baixo Jaguaribe-CE, considerando-se cenários normais, seca e seca severa. A pesquisa foi desenvolvida no município de Russas – CE, em uma área vizinha à lagoa de estabilização da CAGECE. O ensaio foi instalado em delineamento em blocos ao acaso, com arranjo dos tratamentos em parcelas subsubdivididas, com quatro repetições. Os resultados mostram impactos de cenários hídricos e da suplementação sobre a maioria das variáveis de crescimento das plantas de algodoeiro. A irrigação suplementar com águas residuárias incrementa a produção de biomassa e o vigor das plantas de algodão durante a fase inicial de desenvolvimento, independente da presença ou ausência da adubação com NPK. Esses efeitos foram significativos especialmente nos cenários de seca e seca severa.   Palavras-chave: Gossypium hirsutum L, reuso de água, Irrigação.     ARAUJO, A. F. B.; LACERDA, C. F.; CAVALCANTE, E. S.; SALES, J. R. S.; COSTA, R. N. T.; LOPES, F. B. SUPPLEMENTAL IRRIGATION OF COTTON WITH TREATED WASTEWATER: BIOMETRIC ANALYSIS AND BIOMASS PRODUCTION     2 ABSTRACT   The use of treated wastewater in stabilization ponds for supplementary irrigation emerges as a strategy to increase agricultural production sustainably during the rainy season, eliminating, at least partially, the losses associated with summer. In this context, this work evaluated the impacts of supplementary cotton irrigation, without and with chemical fertilization with NPK, on soil moisture conditions based on a historical series of precipitation data for the last 30 years for the region of Baixo Jaguaribe-CE, considering normal scenarios, drought and severe drought. The research was conducted in the municipality of Russas - CE, in an area adjacent to the CAGECE stabilization pond. The trial was installed in a randomized block design, with the treatments arranged in sub-divided plots, with four replications. The results show impacts of water scenarios and supplementation on most growth variables of cotton plants. Supplementary irrigation with wastewater increases the production of biomass and the vigor of cotton plants during the initial stage of development, regardless of the presence or absence of NPK fertilization. These effects were significant, especially in drought and severe drought scenarios.   Keywords: Gossypium hirsutum L, wastewater, irrigation.

scholarly journals Genetics of Inheritance and Interrelationship of Various Agronomic Traits of F2 Population in Cotton (Gossypium hirsutum L.)

2019 ◽  
pp. 1-15
Author(s):  
Bilal Nawaz ◽  
Saira Sattar ◽  
Bilal Bashir ◽  
Muhammad Jamshaid ◽  
Khadim Hussain ◽  
...  
Keyword(s):  
Agronomic Traits ◽  
Fiber Strength ◽  
Cotton Yield ◽  
Seed Cotton ◽  
Gossypium Hirsutum L ◽  
Seed Cotton Yield ◽  
F2 Population ◽  
Fiber Fineness ◽  
Boll Weight ◽  
Beak Size

Background: Cotton (Gossypium hirsutum L.) is grown in more than sixty countries worldwide. It is an important fiber crop in the world. It plays a vital role in our national economy being the source of earning of foreign exchange, therefore, it is considered to be the backbone of the economy of Pakistan. In Pakistan, millions of families are associated with cotton and textile industry for their livelihood.  Results: In this experiment F2 population of the cross L. A. Frego Bract x CIM-600 and their parents was sown in randomized complete block design with three replications during normal growing season of the year 2014 to sort out best performing genotypes for yield related traits. Analysis of variance (ANOVA) revealed that parental and their F2 population showed significant differences for all the observed agronomic traits (plant height, number of monopodia branches, number of sympodial branches, number of bolls per plant, boll weight, ginning out turn, bract type, boll shape, beak size, seed cotton yield, staple length, fiber strength and fiber fineness). Estimation of correlation revealed that seed cotton yield was found positively correlated sympodial branches, fiber fineness and boll weight while ginning out turn, bract type, beak size, staple length and fiber strength were negatively associated with seed cotton yield. Epistasis was not found to be involved in any of the traits. Conclusion:  The correlation and genetics study of various yield related traits provides us useful information for effective selection and sustainable breeding programs. Estimation of broad sense heritability ( ) in F2 populations for different traits vary as following order; ginning out turn>plant height>seed cotton yield>sympodia branches>fiber length>fiber strength>bolls per plant>monopodia branches>boll weight>fiber fineness with heritability 0.90, 0.79, 0.78, 0.75, 0.73, 0.71 0.67, 0.64, 0.63 and 0.50 respectively. Results suggested form heritability and correlation that these traits can be improved either through appropriate selection method or hybrid breeding programme.

scholarly journals Aplikasi Teknologi Seed Coated dan Seed Delinted pada Benih Kapas (Gossypium hirsutum L.)

2019 ◽  
Vol 11 (1) ◽  
pp. 16
Author(s):  
Taufiq Hidayat RS ◽  
Nurindah Nurindah ◽  
Anik Herawati
Keyword(s):  
Gossypium Hirsutum ◽  
Seed Quality ◽  
Block Design ◽  
Seed Viability ◽  
Environmentally Friendly ◽  
Maximum Growth ◽  
Seed Coating ◽  
Seed Treatments ◽  
Gossypium Hirsutum L ◽  
Arabic Gum

<p><em>Seed coated</em> merupakan teknologi pelapisan benih dengan bahan tertentu untuk mempertahankan mutu benih dan membuat bentuk benih lebih teratur. Prosesing benih kapas saat ini masih menggunakan bahan kimia seperti asam sulfat (<em>seed delinted</em>) untuk menghilangkan kabu-kabu (<em>linter</em>) yang masih menempel pada biji setelah proses pemisahan serat dan biji. <em>Seed delinted</em> memungkinkan terjadinya kerusakan kulit hingga lembaga biji dan dapat menimbulkan masalah lingkungan dari limbah yang dihasilkan dalam proses tersebut. Penelitian ini bertujuan untuk menguji pengaruh perlakuan benih pada tiga jenis varietas terhadap viabilitas benih kapas. Penelitian ini menggunakan Rancangan Faktorial dalam RAK. Faktor Pertama terdiri atas beberapa perlakuan benih yaitu benih berkabu, benih <em>delinted</em>,<em> coated</em> dengan tapioka dan kaolin serta <em>coated </em>dengan<em> arabic gum</em>. Sedangkan, faktor kedua terdiri atas varietas kapas yaitu Kanesia 10, Kanesia 18 dan Kanesia 19. Hasil penelitian menunjukkan bahwa interaksi antara perlakuan benih dengan varietas kapas berpengaruh nyata untuk parameter panjang radikula dan menghasilkan koefesien keragaman mencapai 9.85%. Perlakuan benih <em>coated</em> dengan bahan <em>arabic gum</em> menunjukkan hasil yang terbaik untuk semua parameter pengamatan. Sedangkan, varietas Kanesia 10 menunjukkan persentase keserempakan tumbuh, persentase daya berkecambah, dan persentase potensi tumbuh maksimum terbaik masing-masing 92.25%, 96.25%, dan 98.00%. Perlakuan benih dengan teknologi <em>seed coated</em> menggunakan <em>arabic gum</em> pada Varietas Kanesia 10 dapat menunjukkan persentase viabilitas benih kapas terbaik.</p><p> </p><p><strong>Effect of Seed Coating on the Seeds Viability of Three Cotton Varieties ( Gossypium hirsutum L.) </strong></p><p><br />Seed coating technology with certain materials is objected to maintain seed quality and to make seed shapes more regular. Currently, cotton seeds processing is using chemicals such as sulfuric acid (acid seed delinted) to remove the linter which is still attached to the seeds after the separation of fibers and seeds. Acid seed delinting could causing damage on the seed skin as well as to the seed embryo and also cause environmental problems from the waste produced in the process. Seed coated technology has the prospect to be applied in the process of cotton seeding, so the process becomes environmentally friendly. This study aims to evaluate the effect of seed coating treatment on three cotton varieties on the seed viability. This study uses Randomized Block Design Factorial. The first factor consisted of four seed treatments namely fuzzy seed (control), seed delinted, seed coated with tapioca and kaolin and seed coated with arabic gum. The second factor were cotton varieties namely Kanesia 10, Kanesia 18, and Kanesia 19. The results showed that the interaction between seed treatments with cotton varieties significantly affected the radicular length parameters and produced a coefficient of varians 9.85%. Seed coated with arabic gum showed the best results for all observation parameters. Kanesia 10 showed the best of growing simultaneity, germination, and the potential maximum growth by 92%, 96%, and 98%, recpectively. The cotton cotton seed coated with arabic gum is prospective to be applied in the cotton seeding process as an alternative to the acid delinting technique that is not environmentally friendly. </p>

scholarly journals Strategies to select soybean segregating populations with the goal of improving agronomic traits

2018 ◽  
Vol 40 (1) ◽  
pp. 39324
Author(s):  
Fabiana Mota da Silva ◽  
Elise De Matos Pereira ◽  
Bruno Henrique Pedroso Val ◽  
Dilermando Perecin ◽  
Antonio Orlando Di Mauro ◽  
...  
Keyword(s):  
Plant Height ◽  
Genetic Gain ◽  
Seed Weight ◽  
Agronomic Traits ◽  
Block Design ◽  
Selection Strategy ◽  
Breeding Programs ◽  
Effective Selection ◽  
100 Seed Weight ◽  
Number Of Branches

The success of breeding programs depends on selection procedures and on the breeding methods adopted for selecting segregating populations. The objective of this study was to evaluate the efficiency of the Bulk method with selection in the F3 generation (BulkF3) compared to that of Bulk method as well as determine the most effective selection strategy in terms of genetic gain. Twenty segregating populations were selected by two methods. The 60 best families of each method were selected according to their average agronomic performance. An augmented block design was used. The following agronomic traits were evaluated: insertion height of first pod, plant height at maturity, number of branches and of pods per plant, 100-seed weight, and grain yield. For comparison of the methods, genetic component estimates, genetic gain and predicted breeding values were calculated using mixed models (REML and BLUP). The results showed the families obtained with the BulkF3 method were more productive, showed suitable plant height, a larger number of branches and pods, and higher 100-seed weight. The BulkF3 method was found to be an effective selection strategy for soybean improvement. 

scholarly journals Effect of phosphorus and potassium on yield and on agronomical characteristics of cotton

1999 ◽  
Vol 34 (10) ◽  
pp. 1839-1843 ◽  
Author(s):  
Luiz Alberto Staut ◽  
Manoel Luiz Ferreira Athayde
Keyword(s):  
Gossypium Hirsutum ◽  
Plant Height ◽  
Significant Influence ◽  
Cotton Yield ◽  
Triple Superphosphate ◽  
Seed Cotton ◽  
Gossypium Hirsutum L ◽  
Seed Cotton Yield ◽  
Technological Characteristics ◽  
Phosphorus And Potassium

With the objective of studying the effect of increasing phosphorus and potassium doses on the agronomical and technological characteristics of the cotton (Gossypium hirsutum L.), cultivar IAC 20, an experiment was carried out during 1994/95 on a Red-Dark Latossol at the Embrapa-Centro de Pesquisa Agropecuária do Oeste (CPAO) in Ponta Porã, MS, Brazil. A randomized bloch design was used in a 3 x 5 factorial arrangement with four replications. The doses were 30, 60 and 90 kg ha-1 of P2O5, applied as triple superphosphate, and 0, 30, 60, 90 and 120 kg ha-1 of K2O as KCl. The K2O doses used had a significant influence on the seed cotton yield, plant height and weight of 100 seeds and of bolls.

scholarly journals Heterosis Studies for Seed Cotton Yield and Fibre Quality Traits in Upland Cotton (Gossypium hirsutum L.)

2020 ◽  
Author(s):  
V. Udaya ◽  
H. S. Saritha ◽  
Rajesh S. Patil
Keyword(s):  
Gossypium Hirsutum ◽  
Upland Cotton ◽  
Block Design ◽  
Crop Improvement ◽  
Quality Parameters ◽  
F1 Hybrids ◽  
Quality Traits ◽  
Fibre Quality ◽  
Gossypium Hirsutum L ◽  
Improvement Programme

Background: Cotton hybrids has its own advantage than varieties in yield and fibre properties. Heterosis breeding helps in identifying F1 hybrids and in creating variability. The chief intention of any hybridization programme is to combine all the desirable genes present in two or more parents into a single genetic background. Methods: This investigation helped in identifying the extent of heterosis in crosses among eight elite selected lines and five testers in upland cotton (Gossypium hirsutum L.) which was conducted at ARS Dharwad Farm during kharif 2017-18. The all 40 hybrids were derived by line × tester crossing which were analysed for productivity traits along with fibre quality in a randomised block design. Result: The hybrids, CPD-462 × SCS-1061, FLT-36 × SCS-1061 and CPD-462 × NNDC-30 were the most potential crosses. Crosses CPD-462 × IH-11 and FLT-44 × NNDC-24 also recorded desirable fibre quality parameters. These crosses can be exploited for crop improvement programme as they registered high per se performance combined with significant heterosis for most of the yield and fibre quality traits. This study reveals good scope for commercial exploitation of heterosis as well as isolation of potential progenies from the heterotic F1 hybrids.

scholarly journals Genetic Distance and Variation among Cotton (Gossypium hirsutum. L) Genotypes for Yield Traits in Kamashi District of Benishangul-Gumuz Regional State, Ethiopia

2019 ◽  
Vol 7 (4) ◽  
pp. 91-100
Author(s):  
Kedir Wulchafo Hussen
Keyword(s):  
Gossypium Hirsutum ◽  
Genetic Distance ◽  
Block Design ◽  
Yield Traits ◽  
Gossypium Hirsutum L ◽  
Mean Values ◽  
Regional State ◽  
Wide Range ◽  
Randomized Complete Block Design ◽  
Cotton Genotypes

The present research was carried out to determine and record genetic distance and variation among cotton (Gossypium hirsutum L) genotypes for yield traits in Kamashi district of benishangul-gumuz regional state for fourteen upland cotton genotypes. The genotypes were evaluated for ten traits in randomized complete block design with three replications. Data were collected on days of 50% flowering, days to 65%boll opening, plant height, Number of monopodial branches per plant, Number of sympodial branches per plant, Boll number per plant, Boll weight Seed cotton yield per hectare, Lint yield and Ginning out tern. The data were subjected to analysis of variance. Genotypes were varied significantly for most of the traits studied and there were wide range variation on mean values for most of the traits which indicated the presence of variability among the tested genotypes.

scholarly journals CRESCIMENTO E PRODUÇÃO DE ALGODOEIRO DE FIBRA COLORIDA CULTIVADO EM SOLO SALINO-SÓDICO E ADUBAÇÃO ORGÂNICA

Irriga ◽  
2018 ◽  
Vol 1 (1) ◽  
pp. 260 ◽  
Author(s):  
Adaan Sudário Dias ◽  
Reginaldo Gomes Nobre ◽  
Geovani Soares de Lima ◽  
Hans Raj Gheyi ◽  
Francisco Wesley Alves Pinheiro
Keyword(s):  
Gossypium Hirsutum ◽  
Crop Yields ◽  
Block Design ◽  
Cattle Manure ◽  
Exchangeable Sodium ◽  
Sodic Soils ◽  
Gossypium Hirsutum L ◽  
Cotton Lint ◽  
Colored Cotton ◽  
Four Levels

CRESCIMENTO E PRODUÇÃO DE ALGODOEIRO DE FIBRA COLORIDA CULTIVADO EM SOLO SALINO-SÓDICO E ADUBAÇÃO ORGÂNICA ADAAN SUDÁRIO DIAS1; REGINALDO GOMES NOBRE2; GEOVANI SOARES DE LIMA3; HANS RAJ GHEYI4 E FRANCISCO WESLEY ALVES PINHEIRO5 1Engenheiro Agrônomo – Pós-graduando em Engenharia Agrícola – Unidade Acadêmica de Engenharia Agrícola – Universidade Federal de Campina Grande/UFCG, Campina Grande, PB, Brasil, [email protected];2Engenheiro Agrônomo – Doutor – Unidade Acadêmica de Ciências Agrárias – Universidade Federal de Campina Grande/UFCG, Pombal, PB, Brasil, [email protected];3Engenheiro Agrônomo – Bolsista do Programa Nacional de Pós-Doutorado, PNPD/CAPES,– Unidade Acadêmica de Engenharia Agrícola – Universidade Federal de Campina Grande/UFCG, Campina Grande, PB, Brasil, [email protected];4Engenheiro Agrônomo – Doutor – Núcleo de Engenharia de Água e Solo, UFRB, Cruz das Almas, BA. Brasil, [email protected];5Graduando em Agronomia – Unidade Acadêmica de Ciências Agrárias – Universidade Federal de Campina Grande/UFCG, Pombal, PB, Brasil;[email protected]. 1 RESUMO Os solos das regiões áridas e semiáridas podem naturalmente conter sódio trocável em teores suficientes para reduzir significativamente o desenvolvimento e a produtividade das culturas; entretanto, diversos métodos podem ser empregados na recuperação destes solos, sendo a aplicação de melhoradores químicos e material orgânico associado ao emprego de espécies vegetais tolerantes, o meio mais efetivo para amenizar este problema. Neste sentido, objetivou-se com esta pesquisa avaliar a tolerância do algodoeiro de fibra colorida, cv. BRS Topázio, cultivado em solos com distintos percentuais de sódio trocável (PST) e doses de matéria orgânica em experimento conduzido em condição de casa de vegetação do CCTA/UFCG. O delineamento estatístico utilizado foi o de blocos ao acaso, testando-se cinco níveis de PST(13,6; 22,4; 30,1; 39,0 e 48,0%) e quatro doses de matéria orgânica (0; 5; 10 e 15%, base  volume), em esquema fatorial 5 x 4, com três repetições. O algodoeiro colorido cv. BRS Topázio é tolerante ao sódio trocável, podendo ser cultivado em solo com PST de até 30%. Nível de esterco bovino de 10% atenuou o efeito do sódio trocável sobre a área foliar, fitomassa seca da parte aérea e massa de semente do algodoeiro respectivamente, sob PST de 31, 48 e 48. O diâmetro de caule, a altura de planta e a massa de pluma de algodoeiro tiveram incremento até o nível de esterco de 15%, já o maior índice de fiabilidade foi obtido sob 9% de esterco. Palavras-chave: Gossypium hirsutum L..Sodicidade. Esterco bovino.  DIAS, A. S.; NOBRE, R.G.; LIMA, G. S. de; GHEYI, H. R.; PINHEIRO, F. W. A.GROWTH AND PRODUCTION OF COLORED-FIBER COTTON CULTIVATED IN SALINE-SODIC SOIL WITH ORGANIC FERTILIZATION    2 ABSTRACT The soils of arid and semiarid regions naturally contain exchangeable sodium that can significantly reduce development and crop yields, being necessary to treat them to make them productive. Several methods can be employed in the reclamation of these soils, like the introduction of tolerant cultivars, such as cotton and the use of organic material, due to its low cost and availability being the most effective ways to alleviate this problem. Thus, the aim of this study was to evaluate the growth and production colored cotton BRS Topaz, when grown in soil with different exchangeable sodium percentages (ESP) and cattle manure in greenhouse of CCTA/UFCG. A completely randomized block design in factorial 5 x 4, with 3 repetitions was used testing five level of ESP and four levels of cattle manure. The colored cotton cv. BRS Topázio is tolerant to exchangeable sodium and can be grown in soil with ESP up to 30%. Organic manure level of 10% attenuated the effect of exchangeable sodium on leaf area, dry weight of shoot and mass of cotton seed, respectively, under ESP of 31, 48 and 48. The stem diameter, plant height and the mass of cotton lint increased up to 15% manure level although the highest spin ability was obtained in 9% of manure and the use of cattle manure was efficient in cultivation of cotton BRS Topaz in sodic soils. Keywords: Gossypium hirsutum L.. Sodicity. Cattle manure.

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