نتایج جستجو برای: plant height and internode length increased
تعداد نتایج: 16939695 فیلتر نتایج به سال:
to study the effect of plant density and planting pattern on iranian ox-tongue, an experiment carried out with two factors: planting pattern (square and rectangular pattern) and plant density (2, 4, 6, 8 plant m-2) in a factorial test performed based on rcbd in 3 replications during 2009-2010 in latmahalleh eshkevarat village in guilan province, iran. characteristics that measured included: dry...
Abstract Background To understand shade and wind effects on seedling traits of common reed ( Phragmites australis ), we conducted a mesocosm experiment manipulating day length (10 h daytime as open canopy conditions or 6 partially closed conditions) speed (0 m/s windless 4 windy conditions). Results Most values functional leaf blades, culms, biomass production P. were higher under long length. ...
Mutations induced by gamma irradiation are part of improving some important agronomic traits in crops. Identifying the optimal mutagenic dose is considered to be the most crucial step in trials and generating mutated genetic materials. The goal of this study was to evaluate the effect of different doses of gamma ray (0, 150, 200, 250 and 300 Gy) on some plant early stages traits and bioch...
Lignin is one of the major characteristics of plant secondary cell wall that provides structural rigidity for the cells and tissues and hydrophobicity to tracheary elements. Internode tissues of Aeluropus littoralis as a halophyte grass were sampled at different developmental stages (from the first to the fifth internodes ) and under different NaCl concentrations. The influences of NaCl and int...
In order to investigate the relationship between morphological properties and choose suitable criteria for improving this research yield on ten new breeding lines and varieties of rice (control) modified rice cultivation area (Shiroodi cultivar) in the crop during 2010 in Tonekabon Rice Research Station in a randomized complete block design with four replications. The results showed that rice g...
to study the effects of plant density and nitrogen rates on the ability of canola (regent cobra; an inbred variety) to compete with weeds, an experiment was conducted as a factorial complete block design with four replications. the treatments included four levels of plant density at 150, 190, 230, and 270 plants m-2, and four levels of nitrogen (n) fertil-izer at 0, 46, 92, and 138 kg ha–1. r...
Production of heavy metals by human activity is caused soil contaminations. The polyamines are used to reduction of heavy metal effects. In this study, the effects of lead and spermidine on Salvia officinalis L. were tested. A factorial experiment was conducted in a completely randomized design with three replications. Lead nitrate at concentrations of 0, 125, 250 and 1000 micro molar and sperm...
BACKGROUND AND AIMS Light quantity and quality affect internode lengths in cucumber (Cucumis sativus), whereby leaf area and the optical properties of the leaves mainly control light quality within a cucumber plant community. This modelling study aimed at providing a simple, non-destructive method to predict final internode lengths (FILs) using light quantity and leaf area data. METHODS Sever...
This study was conducted to evaluate the effect of plant growth regulators on in vitro shoot multiplication, vitrification and rooting of two carnation cultivars (Eskimo Mogr and Innove Orange Bogr). Isolated axillary buds were cultured on MS medium supplemented with different levels of Benzyl amino purine (BAP) or kinetin (Kin) in combination with 0.2 mg/l NAA and shoot multiplication and vitr...
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