نتایج جستجو برای: rootshoot fresh and dry weight ratio

تعداد نتایج: 16894407  

Journal: :Plant physiology 1991
J R Schussler M L Brenner W A Brun

It has been proposed that abscisic acid (ABA) may stimulate sucrose transport into filling seeds of legumes, potentially regulating seed growth rate. The objective of this study was to determine whether the rate of dry matter accumulation in seeds of soybeans (Glycine max L.) is correlated with the endogenous levels of ABA and sucrose in those sinks. The levels of ABA and sucrose in seed tissue...

2006
Ustun SAHIN Selda ORS Sezai ERCISLI Omer ANAPALI Ahmet ESITKEN

We report the results of a research carried out in Turkey in 2004 to determine the effectiveness of different levels of pumice amendments to soil using strawberry plants. Two grades (2-4 mm and 4-8 mm) of pumice were added to soil and three amendment levels (15%, 30% and 45% by volume) were applied. Finally 6 different growing media types were formulated. The amount of moisture retained at diff...

Journal: :applied biotechnology reports 0
ramin karimian applied biotechnology research center, baqiyatallah university of medical sciences, tehran, iran mehrdad lahouti seyed javad davarpanah

taxus    is an endangered plant which is the only commercial source of paclitaxel, which is used for treatment of ovary and breast cancer. as production of this valuable drug is a destructive process, other alternatives should be considered for its sustainable production. plant tissue and cell culture is a promising method for production of secondary metabolites. in order to optimize yew callus...

Journal: :international journal of advanced biological and biomedical research 2014
mohsen ahmadee abas khashei siuki seyed reza hashemi

the use of recent technologies for the increase of growth indexes and the plants yields is an important aspects and till now many research works for this has been done. one of these efforts is the usage of magnetic water and zeolite for the increase of yield plants. this research work is an study on the effects of magnetic water and zeolite that has been done on frame work of pore random design...

Journal: :journal of medicinal plants and by-products 0

the influence of different initial inoculum densities of the root-knot nematode meloidogyne javanica on the growth of sage (salvia officinalis), root-knot development and nematode multiplication was investigated 90 days after inoculation under greenhouse conditions. with the increase in the nematode initial inoculum densities, shoot fresh/dry weight, shoot/root length and root fresh/dry weight ...

This experiment was conducted to investigate the effect of drought stress and vermicompost biofertilizer on some morphological, physiological and biochemical characteristics of Thymus vulgaris in greenhouse of Khorramabad Agricultural and Natural Resources Research and Training Center in a completely randomized design with three replications. The pot experiment was performed. Factors included v...

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...

esmaielpour, B., Javadi, A., Saadati, Z. ,

In order to investigate the effects of seed priming by salicylic acid (SA) and Paclobutrazol (Pa) on parsley, as a medicinal plant, under drought stress, a factorial experiment, based on completely randomized design with four replications, was performed at the Research Greenhouse and Laboratory of Department of Horticulture, University of Mohaghegh Ardabili. Experimental treatments included fiv...

Journal: :علوم باغبانی ایران 0
عبدالستار دارابی عبدالکریم کاشی مصباح بابالار محسن خدادادی

to determine the threshold of photoperiodism and culmulative thermal time related to bulbing and growth analysis of safid behbehan, ghermez iranshahr and primavera onion cultivars an experiment was conducted at behbahan agricultural research station for a year (2006-2007) based on a randomized complete block design of four replications. seeds were sown in nursery in late october and seedlings t...

Journal: Journal of Nuts 2013
M. Rahemi S. Sedaghat

Pistacia vera cv Badami-e-riz and P.vera cv Ghazvini are the most important and popular rootstocks in Iran, which tolerate salinity and phytophthora fungi. This study was conducted to evaluate the effects of various concentrations of polyamines and IBA on root regeneration of transplanted bare- rooted ‘Badami-e-riz’ and ‘Ghazvini’ pistachio rootstocks. The mean comparison between IBA and polyam...

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