Effect of planting arrangment on agronomical traits in different soybean cultivars
Subject Areas : New Finding in AgricultureA. Pilvar 1 , M. Moballeghi 2 , H. Mobaser 3
1 - M. Sc. in Agronomy, Islamic Azad University, Chalus Branch, Chalus, Iran
2 - Department of Agronomy and Plant Breeding, Chalus Branch, Islamic Azad University, Chalus, Iran
3 - Department of Agronomy and Plant Breeding, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
Keywords: yield, soybean, Plant distance, Ror distance,
Abstract :
In order to investigate the effect of planting arrangment on agronomical traits of different soybean cultivars, an experiment was carried out at split factorial in randomized complete block design with three replications at Islamic Azad University of Chalous, Iran in 2010. Between plants distance in three levels (30, 40 and 50 cm), between row distance in two levels (5 and 10 cm) and three cultivars including JK, BPJ and 033 was the evaluated factors. Results showed that the most grain yield was produced for var. 033 and least grain yield was obtained for var. JK. With increase of plant density, case of intra-competition and lowest light recived by canopy, therefore plant height, lowest pod height, seed number per main stem, seed number per sub stem, pod number per main stem, 1000 seed weight per main stem, pod weight per main stem and grain yield had been increased. With decreased of plant and row distance grain yield was incrased equal 170.40 and 180.29 g.m-2. As well as, plant height, lowest pod height, seed number per main stem, pod number per main stem, pod weight of main stem, and grain yield were maximum for var. 033. The most of grain yield was observed at interaction of var. 033 and plant distance of 30 cm and the least of grain yield were produced at interaction of var. BPJ with plant distance of 40 cm. As well as, the maximum grain yield was obtained at interaction of var. 033 with row distance of 5 cm and the minimum of grain yield was observed at interaction of var. BPJ and row distance of 10 cm. The most grain yield was produced at interaction of 30×5 cm2 and the least grain yield was obtained at interaction of 40×10 cm2.
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