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Effect of wild watermelon rootstocks and water stress on chemical properties of watermelon fruit
Musa Seymen,Duran Yavuz,Muhammet Ercan,Mehmet Akbulut,Hacer Çoklar,Ertan Sait Kurtar,Nurcan Yavuz,Sinan Süheri,Önder Türkmen 한국원예학회 2021 Horticulture, Environment, and Biotechnology Vol.62 No.3
Drought is one of the most important abiotic factors that restrict the production of agricultural plants. An eff ective way toavoid the negative eff ects of drought on crops is to cultivate high-yielding varieties by grafting them onto drought-tolerantrootstocks with a strong root system. For this purpose, fi ve diff erent plant materials were used: wild watermelon rootstock,i.e., wild watermelon (A 1 and A 2 ), open-pollinated Lagenaria siceraria (gourd) rootstocks (A3), Cucurbita maxima Duchesne× Cucurbita moschata Duchesne (TZ-148) F1 watermelon rootstocks (A 4 ), and the ungrafted control. Five diff erentirrigation depths were applied considering irrigation water (IW)/cumulative pan evaporation (CPE) rations (I 100 : 1.0 IW/CPE, I 75 :0.75 IW/CPE, I 50 :0.50 IW/CPE, I 35 :0.35 IW/CPE, and I 0 :rain-fed). The results showed that the use of rootstockand water stress increased the rate of sugar content in the fruit. The highest positive relationship was found between glucoseand total sugar, whereas the highest negative relationship was observed between sucrose and malic acid. Parameters such asglucose, total sugar, and citric acid showed signifi cant changes in drought stress. Fructose and malic acid showed signifi cantdiff erences between the rootstocks. Principal Component Analysis (PCA) revealed that the A 2 I 50 application was locatedin the positive region of both components and showed important results in these parameters. The TZ148 rootstock contributedsignifi cantly to the quality of watermelon. In addition, the A 2 wild watermelon rootstock showed respectable results,especially under water stress conditions. Based on these results, we conclude that the use of wild watermelon rootstock willcontribute to the fruit quality in arid and semi-arid areas with limited water resources.
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Habte, Ermias,Muktar, Meki S.,Negawo, Alemayehu T.,Lee, Sang-Hoon,Lee, Ki-Won,Jones, Chris S. The Korean Society of Grassland and Forage Science 2019 한국초지조사료학회지 Vol.39 No.3
The production of traditional cool season grasses in temperate regions is becoming hampered during summer seasons due to water deficit. Thus, incorporating water use efficient warm season annual grasses are generally considered to fill the gap of summer season forage reduction that would offer considerable flexibility and adaptability to respond to forage demand. Teff (Eragrostis teff Zuccagni) Trotter) is, a C4 drought tolerant warm season annual grass primarily grown for grain production, recently gaining interest for forage production particularly during summer season. Previous reports have showed that teff is palatable and has comparable forage biomass and feed quality as compared to other warm season annual grasses which would make it an alternative forage. However, the available data are not comprehensive to explore the potential of teff as forage, hence further assessment of genotype variability and performance along with compatibility study of teff with forage production system of specific environment is key for future utilization.
ScienceON
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