نتایج جستجو برای: specific leaf area
تعداد نتایج: 1627616 فیلتر نتایج به سال:
Salinity is one of the greatest factors that limit the producion of horticultural crops in many parts of the world, especially in arid and semi-arid areas. Tomato (Lycopersicon esculentum L.) is an annual herbacious plant whose annual global production is over 80 million tons. In areas with warm and dry climate which are suitable for the production of tomatoes, salt is considered a major proble...
In order to predict Caucasian maple (Acer velutinum Boiss. ) seedling growth based on nursery Orimel, Eighty six one year old seedlings located at 1550 meters above sea level in Sari, north of Iran were randomly selected. Collar diameter, height, leaf area, photosynthesis area and leaf area/leaf weight ratio were determined. Then multivariate regression models between leaf characteristics and g...
Predawn leaf water potential (LWP), the LWP between 09:00 and 10:30 h (termed minimum LWP), stem xylem hydraulic conductivity, foliar nitrogen, leaf gas exchange and leaf traits were measured on the same days in adults and 1-year-old to 7-year-old resprouts that had regrown after removing all the aboveground shoots. Height growth and accumulation of aboveground biomass quickly decreased with re...
Understanding how plant trait-species abundance relationships change with a range of single and multivariate environmental properties is crucial for explaining species abundance and rarity. In this study, the abundance of 94 woody plant species was examined and related to 15 plant leaf and wood traits at both local and landscape scales involving 31 plots in subtropical forests in eastern China....
in order to evaluate the effects of drought stress at different phenological stages on growth indices of chickpea (cicer arietinum l.) cultivar jam, an experiment was carried out at the research greenhouse of faculty of agriculture, ferdowsi university of mashhad, using a completely randomized design with four replications. drought stress was applied by preventing irrigation until the soil mois...
in order to evaluate of abscisic acid, paclobutrazol and uniconazole hormones effects on the egyptian broomrape (orobanche aegyptiaca. pers) control and growth indexes of tomato (lycopersicon esculentum mill.), a glasshouse experiment was conducted in crd design with four replications. treatments consisted of abscisic acid in 4 levels (1, 3, 5 and 7 mm), paclobutrazol in 2 levels (0.1 and 0.01 ...
to evaluate morphological markers linked with drought stress resistance for screening almond genotypes in the breeding programs the effect of drought stress was studied on six nominated almond genotypes seedlings. the six pre-selected water stress mimposed almond genotypes included: homozygote sweet (butte from university of california), heterozygote sweet (shahrood12, shahrood18, shahrood21 an...
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