نتایج جستجو برای: root pot experiment
تعداد نتایج: 593854 فیلتر نتایج به سال:
In order to investigate the effect of plant growth promoting rhizobacteria (PGPR) and arbuscular mycorrhizal fungi (AMF) on morphological traits and concentration of macronutrients (nitrogen, phosphorus, potassium, calcium and magnesium) on peppermint medicinal plant, a pot experiment was conducted as complete randomized design with three replications, under greenhouse conditions. Treatments co...
A split-root growth system was employed to evaluate the effect of NaCl on nodule formation by soybean (Glycine max L. Merr. cv Davis). By applying the salinity stress and rhizobial inoculum to only one-half the root system, the effects of salinity on shoot growth were eliminated in the nodulation process. Rhizobium colonization of inoculated root surfaces was not affected by the salt treatments...
Biocontrol traits of arbuscular mycorrhizal fungi (AMF), in terms of single and mixed species inoculum, against the root knot nematode Meloidogyne incongita in Impatiens balsamina L., were examined with and without mineral fertilization in a greenhouse pot experiment. At harvest, 60 days after sowing, general plant growth parameters and plant defense response in terms of antioxidant activity an...
Human selection for high crop yield under water-limited conditions should have led modern cereal cultivars to invest less in root biomass, be it unconsciously. To test this hypothesis we conducted a pot experiment with two spring wheat cultivars, one old and one modern, both widely grown in the semi-arid regions of China. Using the replacement series method introduced by de Wit, we showed that ...
in a pot experiment the effect of water stress on the proteins and proline amino acid content of jam, kurosh, pirooz chickpea cultivars (cicer arientinum) were evaluated using a complete block design with factorial treatments inducing cultivars and watering periods, three, six and nine day intervals in three replications. soluble protein and free proline content of the leaf and the root were me...
While carbon transport and partitioning is largely determined by phloem source-sink relationships, it may be constrained by vascular connections. Tomato (Lycopersicon esculentum) plants exhibit a high degree of sectoriality, with restricted movement of nutrients from particular roots to orthostichous leaves. In this experiment we investigated the manner in which sectoriality influences source-s...
The physico-chemical characteristics as well as chemical composition of Arachis hypogaea shell (AHS) ash were evaluated by different techniques such as X-Ray fluorescence, X-Ray diffraction and thermo-gravimetry. The material, which is considered a by-product obtained from Groundnut shelling, was investigated as a potential fertilizer, energy source and as animal feeds. And this will provide a ...
Water stress is one of the most severe constraints to crop productivity. Plants display a variety of physiological and biochemical responses both at the cellular and whole organism level upon sensing water stress. Leaf rolling, stomatal closure, deeper root penetration, higher relative water content (RWC) and better osmotic adjustment are some of the mechanisms that plants employ to overcome wa...
Low soil temperature is one of the reasons for poor germination and establishment of maize. The aim of this study was to evaluatethe possibilityof improvingthe seedling emergence and performance of maize under low temperature stress. A pot experiment was conducted on Zea maize (single cross 704) at 14 ºC as cold stress and seed treatments were priming with 200, 300 and 400ppm of GA3; 100, 200...
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