Associação dos herbicidas diclosulam e glyphosate na dessecação visando o controle residual de plantas daninhas na cultura da soja

Revista Brasileira de Herbicidas

Dênio Celestino Gonçalves¹  Tássia Tuane Moreira dos Santos¹  Paulo César Timossi¹  Suzete Fernandes Lima¹ 

[1]Universidade Federal de Goiás

关键词: cobertura vegetal;    Glycine max;    mistura de herbicidas;    plantio direto;   

DOI  :  10.7824/rbh.v15i2.460

学科分类：农业科学（综合）

来源: Sociedade Brasileira da Ciencia das Plantas Daninhas (S B C P D) / Brazilian Society of Herb Science

【 摘 要 】

The association of glyphosate and diclosulam in burndown can reduce the presence of weeds for a longer period, thus promoting the development and productivity of soybean plants. The objective was verify if the efficiency of the herbicide diclosulam associated with glyphosate, in burndown for direct seeding, in the seed bank of weeds in soybean grown in the plant system and apply. The straw present wasUrochloa ruziziensisat 4.4 t ha -1of dry mass, uniformly distributed over the experimental area. The experimental design was randomized blocks design with three treatments and four replications. The treatments consisted in the application of glyphosate at 1.2 kg ha -1acid equivalent (a.e.) + diclosulam 25.2 g ha -1active ingredient (a.i.) in pre-sowing without the complementary application, glyphosate at 1.2 kg ha -1+ diclosulam 25,2 ha -1in pre-sowing of the culture + 1,2 kg ha -1of glyphosate in complementation and glyphosate at 1.2 kg ha -1in pre-sowing + glyphosate at 1.2 kg ha -1in complementation. It were evaluated the initial reinfestation and relative density of weeds at 31 days after burndown, reinfestation of weeds at harvest time, difficulty of mechanized harvesting, number of pods per plant, 1000 grain weight and productivity. The association of the herbicides glyphosate and diclosulam assists in the initial management of weeds in soybean, without, however, dispense the complementary application of glyphosate.

【 授权许可】

CC BY