Journal of Food, Agriculture and Environment

Sowing dates and plant density of peanut cultivars in different soil and climatic conditions of Mato Grosso state, Brazil

Author(s):

João Danilo Barbieri ¹, Rivanildo Dallacort ¹*, Adalberto Santi ¹, Kássio De Marco ¹, Alcir José Modolo ², Santino Seabra Júnior ³, Ronicely Pereira Rocha ¹, Rafael Cesar Tieppo ¹

Recieved Date: 2014-04-22, Accepted Date: 2014-09-16

Abstract:

The aim of this study was to evaluate the influence of plant density on the development, yield components (plant height, number of pods per plant, thousand grain weight) and yield of peanut (Arachis hypogaea L.) cultivars IAC Runner 886 and IAC Tatu ST in two regions under different soil and climatic conditions. The experimental design was a randomized block design in a factorial arrangement of 2 x 2 x 2 x 3, with 4 replications, located in Barra dos Bugres and Tangará da Serra cities, both in Mato Grosso. For each location, the sowing of cultivars (IAC Tatu ST and IAC Runner 886) occurred on two dates, 12 and 24 of February of 2013, and at three plant densities  (5, 10 and 15 plants m^-1) with 4 replications. For the Barra do Bugres city, the highest total weight, yield and productivity of peanut was obtained at density of 10 pl m^-1, regardless of the sowing date. However, in Tangará da Serra city, sowing on February 12 limited the yield due to excessive rainfall during the harvest season, thus sowing held on February 24 provided better agronomic performance for the two peanut cultivars in density of 10 pl m^-1. Due to the different cultivar characteristics, the choice of cultivar depends on the commercial interest of the region and for what purposes the production will be allocated.

Keywords:

Arachis hypogaea L., plant density, yield

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 3&4
Category: Agriculture
Pages: 269-275

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