This research was conducted to determine to effects of different irrigation levels and nitrogen doses (ND) on the various warm-season turfgrasses at the Agricultural Training and Research Centre of the Bursa Uludag University Faculty of Agriculture for two years in a row. The experimental design was the randomized blocks in a split-split plot design with three replications. The main plot was irrigation levels (I1=25%, I2=50%, I3=75%, and I4=100% of pan evaporation), subplots were turfgrass species [hybrid Bermudagrass (Cynodon transvaalensis x Cynodon dactylon) cv. Tifdwarf, seashore paspalum (Paspalum vaginatum Sw.) cv. Seaspray, zoysiagrass (Zoysia japonica Steud.) cv. Zenit], and sub subplots were ND’s (monthly 0.0, 1.25, 2.5, and 5.0 g N m-²). Visual turfgrass color and quality, clipping yield, leaf relative water content (RWC), loss of turgidity (LT), chlorophyll content (CC), and electrolyte leakage were measured. According to the results, significant differences were determined among irrigation levels, turfgrass species, and ND’s for color, quality, clipping yield and physiological parameters. Turfgrass visual color, quality and clipping
yield were shown to decrease significantly with decreases in irrigation water and N fertilizer. The study findings demonstrated that under a non-limiting water supply, irrigation could be decreased by adjusting N fertilizer rates with I3N3 treatments can maintain acceptable turfgrass visual color and quality under Mediterranean climatic conditions. In addition, at 25% (I1) deficit irrigation
level, leaf RWC, CC decreased significantly, while an increase was determined in LT. This research indicated that under 75% (I3) deficit irrigation and N3 ND, acceptable quality can be maintained with ‘seaspray’ seashore paspalum under Mediterranean climate performed.
deficit irrigation nitrogen fertilization turf color turf physiology
The Scientific and Technical Research Council of Turkey
TUBITAK-112O745
This research was supported by The Scientific and Technical Research Council of Turkey (TUBITAK-112O745 Project Leader: Prof. Dr. Uğur BİLGİLİ). The authors thank The Scientific and Technical Research Council of Turkey for financial contribution during this study.
TUBITAK-112O745
Birincil Dil | İngilizce |
---|---|
Konular | Mühendislik |
Bölüm | Makaleler |
Yazarlar | |
Proje Numarası | TUBITAK-112O745 |
Erken Görünüm Tarihi | 18 Ocak 2023 |
Yayımlanma Tarihi | 31 Ocak 2023 |
Gönderilme Tarihi | 1 Aralık 2021 |
Kabul Tarihi | 24 Nisan 2022 |
Yayımlandığı Sayı | Yıl 2023 Cilt: 29 Sayı: 1 |
Journal of Agricultural Sciences is published open access journal. All articles are published under the terms of the Creative Commons Attribution License (CC BY).