Growth response of selected warm-season turfgrasses to salinity

Abstract EN

-Th e salinity study was carried out on len selected turtgrusscs: Local berrnudagrass.

Common bermudagrass, Tilgreen bcrmudagrass, Tifway bcrrnudagrass .

Adalyd paspalum Variegata St , Augustincgrass.

Floratiue SI, Augusuncgrass .

Floratarn SI, Augustinegrass , Korean velvetgrass .

and Egyptia n Cr abgras s.

These len tu rfgr ass types were exposed 10 four salinity level s to determine the ir salin ity tolerance.

The four sa linity levels were ().9lhrn- 1 (ta p watcr ) : 1.6 dsm -·I (sewage water) .

.'\dsm - I and H dsin \ (salt solutions) .

The len surf types showe d different responses and perform ance under the \ arious treatments.

Generally.

up to 8 dsrn \ no mortalit v were ob serv ed amonu the se turfs.

The local bermudaurass con tinued I:) increase its fre sh and dr y weights up 10 8 dsm - ' with no fol iage injury symptoms.

The Adal yd paspalum decre ased its fresh wei ght after .'\ dsrn .\ .

however il gave higher fresh weight at il dsm \ than at 0 .9 dsrn lor at 1J, dSIll- I .

Th e othe r turfs were also sail tole rant up to Hdsm I except for the Variegata St .

Au gustincgr ass which decreased its fresh and dry we ight s a fte r 1.6 dsrn I .

and showed grea test foliage injun' at il dsrn