Herti Folarida Hutajulu, Rosmayati Rosmayati, Syafruddin Ilyas


Growth Response Testing of Several Rice Varieties (Oryza sativa L.) Caused of Salinity. In the
Sub-District Percut Sei Tuan there are around 700 hectares more area paddy fields that can be
categorized as has been affected by sea water (is 1-2 km to coast). The production rice fields in the
area was around 2-3 tons per hectare with using varieties Ciherang and Mekongga. But varieties
Ciherang have potential result8.5 tonnes/ha with result average 6.0 tonnes/ha in the non- salinity.
The problem is to be a basic idea how to increase production the be examined back some varieties
that had been found varieties that not only could but critical market result in standard national result
rice that is 6.0 ton/ha.This study aims to determine the growth response of some rice varieties due to
salinity stress. The study was conducted in the Village of Tanjung Rejo, Hamlet Paluh Merbau, Sub-
District Percut Sei Tuan, Deli Serdang Regency with altitude of 1.5 meters above sea level in April-
September 2012 using a Randomized Block Design with eight varieties of rice plant (Ciherang, IR
64 , Lambur, Batanghari, Banyuasin, IR 42, Inpari 10 and Margasari) with 3 replication. Parameter is
observed germination, salt injury, plant height, number of tillers, leaf chlorophyll, leaf area, number
of productive tillers, panicle length, number of grains contains per panicle, number of grains per
panicle empty, grain weight per plot, and 1000 grain weight. The results showed that Ciherang
varieties and Banyuasin is highly tolerant to salinity. Banyuasin and Batanghari production per plot
had the highest and lowest are IR 64 varieties and Inpari 10 varieties.
Keywords: salinity, varieties, paddy.

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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)