SELEKSI GALUR KEDELAI (Glycine max (L.)

Siti Aminah, Rosmayati Rosmayati, Luthfi A Mahmud Siregar

Abstract


Strain Selection of Soybean ( Glycine max (L) Merril) of F3 Generation on Saline Soil. Salinity is
one of the most serious and widespread agricultural problems resulting in losses of yield. Generally,
as land is more intensively cultivated, the salinity problem becomes more severe. A high
concentration of NaCl greatly reduces growth of both the shoot and the root. One strategy available
to cope with saline soil is to choose salt-tolerance crops or to select salt-tolerance cultivars within a
crop. This research aims to select the soybean that can grow and has a higher production on saline
soil of F3 generation. This research was conducted in the experiment area at Desa Tanjung Rejo,
subdistrict of Percut Sei Tuan, Regenecy of Deli Serdang in the elevation of 1.5 m on above sea
level since Apryl 2012 up to Juny 2012. The experiment design applied in this research is a cross
section analysis that consist of 1 variety, and the applied methot is a F3 generation pedigree
selection, the population is sample, the number of live plant is 137 of 2118. The selected plant is
based on the grain production per plant for 39 plants. Based on the results of research indicates that
based on the highest weight of seed per plant is 4.9 g on the plant number 1305.2.20 and the lowest
production is 0.2 g on the plant number 88.5.10 and 88.5.11. The component of production that has
a direct influence to the grain production per plant is the number of branch, age of flowering,
number of pod and number of pods contain. Component of production that giving the highest direct
influence is the number of pod contain for 0.832.
Keywords : species, soybean, selection, saline soil.

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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)