Analisis Stres Air Terhadap Pertumbuhan Bibit Karet Unggul (Hevea Brasiliensis Muell. Arg) (Water Stress Analysis on the Growth of the Excellent Rubber Varieties)
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The research was conducted at the Seed Technology Laboratory. Faculty of Agriculture, North Sumatera University Medan, since May 2005 to August 2005. The aim of the research was to know the change of growth and water status of the seedling of clone PB 260 and RRIM 712 on the water stress condition. Randomized Block Design was used with 2 factors (water stress condition and clone) and 5 replications. Result showed that the water stress condition significantly affected the leaf water potential, osmotic pressure, turgid pressure, relative leaf water content, root volume, fresh weight of root, dry weight of root.