نتایج جستجو برای: plumule and seedlings
تعداد نتایج: 16830853 فیلتر نتایج به سال:
Cadmium (Cd) is one of the most important heavy metals and its pollution causes toxic effects on plants and human beinges well. Glycine betaine (GB) is an osmoprotectant that its external application leads to decrease stress strains as well as heavy metal accumulation hazards. This experiment was conducted to study the effect of seed priming with GB on Cd reduction of damages in the black seed...
in order to identification of allelopathic compounds and investigation of the effect of aerial part extract of orchard grass on germination and seedling growth of alfalfa an experiment conducted as completely randomized design with four replications at university of mohaghegh ardabili, iran. treatments were concentrations of orchard grass extracts including 0, 25, 50, 75, and 100%. radicle and ...
In the present investigation, four types of explants from mature zygotic embryos coconut, viz., whole upper cotyledonary region without haustorium, half plumule with a portion radicle and exclusively plumular tissue, were cultured in 12 different media combinations to find suitable explant which could be regenerated after cryopreservation. Explants pre-cultured medium 0.4 0.5 M sucrose for thre...
IIn this study, the effects of paraxanthin on lettuce were investigated. Paraxanthin is a group of purine alkaloids, secondary metabolites of plants. This compound is made up of the caffeine metabolism found in plants such as tea, coffee and cocoa. There have been previous reports of paraxanthine antihypertensive properties.Three different concentrations of paraxanthine as 10, 50 and 100 µg/ml ...
Pyrethrum is a perennial daisy grown commercially for the insecticide that is extracted from its flowers. In order to evaluate germination and seedling growth of pyrethrum under different temperature and drought stress treatments, an experiment was conducted in seed technology laboratory of Faculty of Agriculture of Islamic Azad University of Isfahan branch in 2018. During this experiment, poly...
The study was carried out to evaluate the effect of Trichoderma longibrachiatum against damping-off pathogens on four commercial cultivars cucumber in vitro. Various sites Najaf province including (Abasia, Quzwenia, Haydaria, Manathera and Meshkab) were surveyed detect spread studied disease. Pathogenic fungi isolated from roots stem parts infected plants that collected then diagnosed morpholog...
Osmotic stress is the most important of the abiotic stresses that lead to limitation of growth and yield in rapeseed. This study was conducted to examine the effect of cycocel seed priming on osmotic stress tolerance in germination and early growth stages of rapeseed, as a factorial experiment based on completely randomized design at Agriculture College of Shiraz University in 2012. The treatme...
Extended abstract Introduction: One of the ways to overcome the limitation of fresh water and lack of sufficient water reserves for agriculture is to use unconventional waters such as seawater. Salinity stress is the most important abiotic stress in seawater application. Identification and planting of salinity tolerant genotypes of a plant species is one of the effective and valuable strategie...
current research on effect of increasing concentrations (0 (control), 100, 200, 300, 400 and 500 mm) of different salts including nacl and na2so4 on germination and initial growth phase of halostachys caspica were studied. the experimental design was completely randomized design with three replications. characters of percentage, speed and index of germination, seed healthy index, radicle, plumu...
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