Abstract
The increased of growth, yield and quality of soybean seeds are expected to occur by applyingP (phosphorus) and B (boron). This research was to investigate the effect of P and application of B their response on growth, yield and quality of soybean seeds. This research was conducted at fieldland and the Laboratory of Seeds and Plant Breeding, Faculty of Agriculture, University of Lampung from November 2016 to April 2017. This treatment was arranged in a 6 × 2 factorial consisting of six doses of P2O5 (0; 50; 100; 150; 200; 250 kg/ha) and two concentration of B (0 and 5 ppm). This study was designed in Randomized Complete Block Design (RCBD) with three blocks. Homogeneity of variance was tested by Barlett’s test and non-aditivity model using Tukey’s test and continued by orthogonal polynomials at α 0.05. The results showed that applying P to dose 250 kg/ha increase the growth, yield and quality of soybean seeds in all variables. Whereas the applications 5 ppm of Boron increased growth, yield and quality of soybean plant seeds higher than without Boron on avariable number of unfallleaf, dry weight of plant, 100 grain weight, germination, dry weight of normal seedling, and vigor index. Response of growth, yield and quality of soybean seeds to increased doses of P did not depend on the granting of B.
Highlights
Soybean (Glycinemax [L.] Merrill) has been put as the the first place of high quality vegetable protein source in the world
According Julita et al (2016), the high demand of soybean must be supported by high soybean productivity, one of the way to increase growth, yield and quality of soybean plant seeds is by improving the fertilizer
The results showed that the response of soybean growth to increased of doses P did not depend on the application of B as shown by all variables of growth (Table 1)
Summary
Soybean (Glycinemax [L.] Merrill) has been put as the the first place of high quality vegetable protein source in the world. It is widely spread and grew well in any regions such as United States, Brazil, China, Mexico, and Indonesia. Phosporus fertilizer can activate enzyme that has played role in photosynthesis in plant. In the stage, this process will improve photosynthate accumulation resulted including one that is stored in seeds (Permadi & Haryati, 2015). This study was to determine the effect of phosphorus fertilization and application of boron through the leaves on the growth, yield and quality of soybean seeds
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