نتایج جستجو برای: morphological and physiological traits
تعداد نتایج: 16859730 فیلتر نتایج به سال:
Wheat (Triticum aestivum L.) is known to be the world-leading cereal grain and the most important food in the world of agriculture. Wheat offers a great wealth of material for genetic studies due to its wide ecological distribution and host of variation for various morphological and physiological characters. To evaluate the genetic control of physical traits of grain in two crosses of winter ...
trifolium spp. are native plants in iran exhibiting good ground cover po-tential. salinity is a major environmental stress and today, 20% of the world cultivated areas and nearly half of all irrigated lands are affected by salinity. the main aim of this research was to study morphological and physiological adaptations of these native species under different salinity levels for urban landscape u...
At the species level, plants can respond to climate changes by changing their leaf traits; however, there is scant information regarding the responses of morphological, physiological and anatomical traits of plant functional types (PFTs) to aridity. Herein, the leaf traits of five PFTs representing 17 plant species in temperate grasslands were examined along a large-scale aridity gradient in no...
The present study was conducted on the comparison of morphometric and meristic factors among Alosa caspia (Eichwald, 1838) populations in the southern Caspian Sea basin. A total of 285 Alosa caspia specimens were caught from three localities, from west to the east of Caspian Sea including Guilan (Bandar Anzali), Mazandaran (Sari) and Golestan (Miankale) provinces. Thirty morphometric and ten me...
The paper examines the precopulatory behaviour and copulation in Segmentina oelandica. The morphological traits associated with this process are discussed. The anatomy of the copulatory apparatus is studied using histological and histochemical (phalloidin fluorescence) methods. The copulation is shown to be a complex process determined by a specific set of morphological, physiological, behaviou...
Plants are faced with various environmental stresses during their growing period. Each of these stresses have different effects on growth, metabolism and yield according to the sensitivity level and stage of the plant growth. One way of reducing the negative effects of the stresses is to use humic substances. The present study was carried out to evaluate the effects of humic acid and drought st...
this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...
background & aim: matricaria aure is one of medicinal plants belonging to asteraceae family. they naturally grow in some regions of the country and have different medical properties and various applications in medicine production and traditional medications. ecological conditions have a significant impact on growth, performance, and quality of medical plants. the aim of this research is to ...
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