Effects of growth regulators on productivity of soybean (Glycine max cv. Davis) under competition

Castro, Paulo R.C.

doi:10.1590/S0071-12761981000100023

Abstracts

The effects of growth substances on productivity of 'Davis' soybean maintained under competition was investigated. Before the flowering, Agrostemmin (1 g/10 ml/3 1), gibberellic acid (GA) 100 ppm, and (2-chloroethyl) trimethylammonium chloride (CCC) 2,000 ppm were applied. At the flower anthesis, 2,3,5-triiodobenzoic acid (TIBA) 20 ppm was applied. Other two applications with TIBA, with intervals of four days, were realized. The growth regulators did not affect the productivity of 'Davis' soybean maintened under competition. The competition among plants did not affect the stem dry weight and number of pods, and seeds. The competition reduced weight of pods without seeds, seed weight, and weight of 100 seeds.

Estudou-se em condições de casa de vegetação o efeito de fitoreguladores na produtividade da soja 'Davis' mantida sob condições de competição. Em pré-florescência aplicou-se em pulverização ácido giberélico (GA) 10 ppm, cloreto (2-cloroeti1) trimetilamônio (CCC) 2.000 ppm e Agrostemin (1 g/10 ml/31). A partir do início da florescência foi aplicado o ácido 2,3,5 - triiodobenzóico (TIBA) 20 ppm, por três vezes, com qua -tro dias de intervalo. Os fitoreguladores não afetaram o peso do caule, numero de vagens, peso da palha das vagens, numero de sementes, peso das sementes e o peso de 100 sementes, com relação ao controle. A competição entre as plantas de soja tendeu a reduzir mais pronunciadamente o peso das vagens sem sementes, das sementes e de 100 sementes.

Paulo R.C. Castro

Departamento de Botânica, E.S.A. "Luiz de Queiroz", USP

RESUMO

Estudou-se em condições de casa de vegetação o efeito de fitoreguladores na produtividade da soja 'Davis' mantida sob condições de competição. Em pré-florescência aplicou-se em pulverização ácido giberélico (GA) 10 ppm, cloreto (2-cloroeti1) trimetilamônio (CCC) 2.000 ppm e Agrostemin (1 g/10 ml/31). A partir do início da florescência foi aplicado o ácido 2,3,5 - triiodobenzóico (TIBA) 20 ppm, por três vezes, com qua -tro dias de intervalo. Os fitoreguladores não afetaram o peso do caule, numero de vagens, peso da palha das vagens, numero de sementes, peso das sementes e o peso de 100 sementes, com relação ao controle. A competição entre as plantas de soja tendeu a reduzir mais pronunciadamente o peso das vagens sem sementes, das sementes e de 100 sementes.

SUMMARY

The effects of growth substances on productivity of 'Davis' soybean maintained under competition was investigated. Before the flowering, Agrostemmin (1 g/10 ml/3 1), gibberellic acid (GA) 100 ppm, and (2-chloroethyl) trimethylammonium chloride (CCC) 2,000 ppm were applied. At the flower anthesis, 2,3,5-triiodobenzoic acid (TIBA) 20 ppm was applied. Other two applications with TIBA, with intervals of four days, were realized. The growth regulators did not affect the productivity of 'Davis' soybean maintened under competition. The competition among plants did not affect the stem dry weight and number of pods, and seeds. The competition reduced weight of pods without seeds, seed weight, and weight of 100 seeds.

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LITERATURA CITADA

Entregue para publicação em 25/08/1981

BLAD, B.L.; BAKER, D.G., 1972. Orientation and distribution of leaves within soybean canopies. Agr. J. 64: 26-29.
CHAILAKHYAN, M.Kh.; ARUTYHYAN, R.Sh.; STEPHANYAN, M.D.; KARA-PETYAN, N.A., 1973. Effect of the growth retardant CCC on the growth of leguminous plants and nodule formation under different methods of application. Doklady Akademii Nauk Armyanskoi SSR 56: 182-187.
CHIRELEI, N.; CURT ICAPEANU, G.; ZAHARIA, 1., 1964. Study on the influence of gibberellic acid in certain physiological processes and on sugar-beet, soybean and potato yields. Report of Scientific Works, Bucharest 7: 301-315.
DAFFERT, F.W., 1892. Relatório anual do Instituto Agronômico do Estado de São Paulo, Campinas, 26p.
D'UTRA, G., 1882. Soja. J. Agricultor, Rio de Janeiro 7: 185-188.
GAJIC, D., 1973. Increase of the free tryptophan content in wheat germ under the influence of Agrostemma githago. Frag. Herb. Croatica 36: 1-10,
HICKS, D.R.; PENDLETON, J.W.; SCOTT, W.O., 1967. Response of soybeans to TIBA (2,3,5-triiodobenzoic acid) and high-fertility levels. Crop Sci. 7: 397-398.
HYMOWITZ, T., 1970. On the domestication of the soybean. Econ. Bot. 24: 408-421.
LAM-SANCHEZ, A.; BARRETO, M. e PITELLI, R.A., 1975. Efeito do CCC (cloreto de 2-cloro etil trimetil amônio) na cultura da soja. Científica 3: 48-54.
LI, Y.Y.; GRANDVOINNET, L., 1912. Le soja. Augustin Chanllanel, Paris, 150p.
MASCARENHAS, H.A.A.; MIYASAKA, S., 1968. Instruções para a cultura da soja. Secretaria da Agricultura do Estado de São Paulo, CATI, Bol. Tec. 22, 48p.
MIYASAKA, S., 1977. Generalidades. In: A Soja no Brasil Central. Fundação Cargill, 1-21.
MORSE, W.J., 1950. History of soybean production. In: Soybeans and soybean products, K.S. Markley ed., Intercience Publ., New York, v.1, 3-59.
OJIMA, M.; FUKUI, J., 1966. Studies on the seed production of soybean, 3. An analytical study of dry matter product ion in the soybean plant community. Crop Sci. Soc Japan Proc.34: 448-452.
PALLIEUX, A., 1880. Le soya, sa composition chemique, ses variétés, sa culture et ses usages. Bull. France, Ser. 3, 538-576.
PIPER, C.V.; MORSE, W.J., 1923. The soybean, McGraw-Hill, New York, 31 Op.
RAJPUT, N.S.; SAXENA, M.C., 1973. Effect of rates and time of application of TIBA on soybean production. Agr. Agro-Ind, J. 6: 14-17.
SCHRODER, V.N.; PRINE, G.M., 1967. Growth regulator studies on soybeans, sweetclover and alfalfa. Proc. Soil Crop Sci. Soc. Fla. 27: 114-122.
SHIBLES, R.; ANDERSON, I.C.; GIBSON, A.H., 1975. Soybean. In: Crop physiology, L.T. Evans ed., Cambridge University Pres London, 151-189.
SOUZA, S.H.; GANDOLFI , V.H.; REPENNING, I.S., 1973. Aplicação do ácido giberélico na cultura da soja. Rei. Inst. Pesq. Agron., 5p.
TANNER, J.W.; AHMED, S., 1974. Growth analysis of soybeans treated with TIBA. Crop Sci. 14: 371-374.
WAX, L.M.; PENDLETON, J.W., 1968. Influence of 2,3,5-triiodobenzoic acid (TIBA) on soybeans planted in different cultural systems. Agr. J. 60: 425-427.

**Efeitos de fitoreguladores na produtividade da soja (Glycine max cv. Davis) em competição**

Effects of growth regulators on productivity of soybean (Glycine max cv. Davis) under competition

Publication Dates

Publication in this collection
18 Apr 2012
Date of issue
1981

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

[1] BLAD, B.L.; BAKER, D.G., 1972. Orientation and distribution of leaves within soybean canopies. Agr. J. 64: 26-29.

[2] CHAILAKHYAN, M.Kh.; ARUTYHYAN, R.Sh.; STEPHANYAN, M.D.; KARA-PETYAN, N.A., 1973. Effect of the growth retardant CCC on the growth of leguminous plants and nodule formation under different methods of application. Doklady Akademii Nauk Armyanskoi SSR 56: 182-187.

[3] CHIRELEI, N.; CURT ICAPEANU, G.; ZAHARIA, 1., 1964. Study on the influence of gibberellic acid in certain physiological processes and on sugar-beet, soybean and potato yields. Report of Scientific Works, Bucharest 7: 301-315.

[4] DAFFERT, F.W., 1892. Relatório anual do Instituto Agronômico do Estado de São Paulo, Campinas, 26p.

[5] D'UTRA, G., 1882. Soja. J. Agricultor, Rio de Janeiro 7: 185-188.

[6] GAJIC, D., 1973. Increase of the free tryptophan content in wheat germ under the influence of Agrostemma githago. Frag. Herb. Croatica 36: 1-10,

[7] HICKS, D.R.; PENDLETON, J.W.; SCOTT, W.O., 1967. Response of soybeans to TIBA (2,3,5-triiodobenzoic acid) and high-fertility levels. Crop Sci. 7: 397-398.

[8] HYMOWITZ, T., 1970. On the domestication of the soybean. Econ. Bot. 24: 408-421.

[9] LAM-SANCHEZ, A.; BARRETO, M. e PITELLI, R.A., 1975. Efeito do CCC (cloreto de 2-cloro etil trimetil amônio) na cultura da soja. Científica 3: 48-54.

[10] LI, Y.Y.; GRANDVOINNET, L., 1912. Le soja. Augustin Chanllanel, Paris, 150p.

[11] MASCARENHAS, H.A.A.; MIYASAKA, S., 1968. Instruções para a cultura da soja. Secretaria da Agricultura do Estado de São Paulo, CATI, Bol. Tec. 22, 48p.

[12] MIYASAKA, S., 1977. Generalidades. In: A Soja no Brasil Central. Fundação Cargill, 1-21.

[13] MORSE, W.J., 1950. History of soybean production. In: Soybeans and soybean products, K.S. Markley ed., Intercience Publ., New York, v.1, 3-59.

[14] OJIMA, M.; FUKUI, J., 1966. Studies on the seed production of soybean, 3. An analytical study of dry matter product ion in the soybean plant community. Crop Sci. Soc Japan Proc.34: 448-452.

[15] PALLIEUX, A., 1880. Le soya, sa composition chemique, ses variétés, sa culture et ses usages. Bull. France, Ser. 3, 538-576.

[16] PIPER, C.V.; MORSE, W.J., 1923. The soybean, McGraw-Hill, New York, 31 Op.

[17] RAJPUT, N.S.; SAXENA, M.C., 1973. Effect of rates and time of application of TIBA on soybean production. Agr. Agro-Ind, J. 6: 14-17.

[18] SCHRODER, V.N.; PRINE, G.M., 1967. Growth regulator studies on soybeans, sweetclover and alfalfa. Proc. Soil Crop Sci. Soc. Fla. 27: 114-122.

[19] SHIBLES, R.; ANDERSON, I.C.; GIBSON, A.H., 1975. Soybean. In: Crop physiology, L.T. Evans ed., Cambridge University Pres London, 151-189.

[20] SOUZA, S.H.; GANDOLFI , V.H.; REPENNING, I.S., 1973. Aplicação do ácido giberélico na cultura da soja. Rei. Inst. Pesq. Agron., 5p.

[21] TANNER, J.W.; AHMED, S., 1974. Growth analysis of soybeans treated with TIBA. Crop Sci. 14: 371-374.

[22] WAX, L.M.; PENDLETON, J.W., 1968. Influence of 2,3,5-triiodobenzoic acid (TIBA) on soybeans planted in different cultural systems. Agr. J. 60: 425-427.

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