نتایج جستجو برای: late spring low temperature stress
تعداد نتایج: 2140780 فیلتر نتایج به سال:
Selenium (Se) is an important microelement for plants and has been shown to improve growth under normal and stressed conditions. In this study, effect of Se and nano-selenium (N-Se) on hydroponically-grown tomato (Lycopersicum esculentum Mill. cv. ‘Halil’) on photosynthesis, antioxidant activity and total polyphenolic content was assessed. A factorial experiment with three temperatu...
Background and objective: University students are in a period of transition from late adolescence to adulthood, which is the time experience new environments roles university. Accordingly, they may great deal stress emotional anxiety. This study examined changes stress, low frequency (LF) high (HF) component, affect university after short-term urban forest by season.Methods: was conducted an lo...
not result in higher color ratings in the spring and resulted in inefMany turfgrass managers apply a portion of the total yearly N to cool-season turfgrasses in the late fall (November). The purpose of this field study was to compare fertilization programs with and without N applications in November using both slow-release and soluble N sources. Turfs of two different cultivars of Kentucky blue...
Summer in the East Asian monsoon region is characterized by heavy rainfall and high temperature. Its onset, depicted and/or airflow as well surface air temperature, has been documented. However, onset of summer season rarely addressed northern Asia (NEA) around edge monsoon. This study investigates feature, mechanism, variability NEA based on ERA-5 reanalysis dataset for 1979–2020. Results show...
rapid germination is an important factor determining the final yield. the most important abiotic stress threatening lentils is drought and temperature. therefore, this study was performed with the aim of investigating effects various thermal treatments (5, 10, 15, 20, 25 and 30°c) and four levels of drought (0, -4, -8, -12 and -16 bar) on percentage and germination rate of lentil genotypes. a s...
The Earth's climate is changing at an unprecedented rate and, as ecologists, we are challenged with the difficult task of predicting how individuals and populations will respond to climate-induced changes to local and global ecosystems. Although we are beginning to understand some of the responses to changing seasonality, the physiological mechanisms that may drive these responses remain unknow...
The late embryonic development abundant protein (LEA) is a family of proteins widely present in the body and related to osmoregulation. Saussurea involucrata an extremely cold-tolerant plant. In our previous studies, we found that LEAs gene has up-regulated expression under low temperature. To evaluate biological function SiLEA5 low-temperature stress its potential agricultural breeding, isolat...
Stocking density is one example of management that may impact welfare and reproductive efficiency of beef females in Oregon cows-calf systems. In spring-calving herds, replacement heifers are weaned late in the fall and exposed to their first breeding season the following spring/summer. Therefore, these heifers are often developed in drylot systems during the winter/early spring to facilitate m...
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