نتایج جستجو برای: such vegetative traits as stem height and diameter
تعداد نتایج: 17419272 فیلتر نتایج به سال:
Extended Abstract Introduction and Objective: Due to the very high diversity among the genotypes of quinoa (Chenopodium quinoa), it has shown a very high adaptability and stability in different climates. Therefore, this experiment was performed to investigate the morphological and genetic diversity of 14 quinoa genotypes and compare them with the control genotype of the region (Titicaca). Ma...
it has often been stated or implied that grazing is an important factor in the land degradation process, a suggestion supported by various research projects, and this study investigated the effect of livestock grazing on stem height, crowncover, production, basal diameter, stem biomass, litter, leaf-stem index (leaf to stem weight) , root diameter and weight and seed production per individual o...
if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...
To study the effect of arbuscular mycorrhiza (Glomus mosseae) on growth of greenhouse cucumber (Cucumis sativus cv. Nahid) under bicarbonate stress originated from irrigation water, a completely randomized design was adopted in an experiment with four levels of bicarbonate in irrigation water (0, 400, 800 and 1200 mg/L), two levels of mycorrhiza (inoculated and un-inoculated plants) with five r...
Abiotic stresses such as salinity, are factors that severely affects agricultural production. To evaluate the effects of salinity on some morphological and physiological traits related to salt tolerance of 22 genotypes of spring rapeseed cultivars in the vegetative growth stage, an experiment was conducted as a split plot form based on Randomized Complete Blocks Design using levels of salinity:...
throughout the present study some vegetative and reproductive characteristics of rosa damascene fewer than three different irrigation regimes (100, 70 and 40% of potential evapotranspiration) through an application of surface vs subsurface drip irrigation systems were investigated. some morphological characteristics investigated, included the number of branches per plant, shading diameter, plan...
The aim of this research was to investigate the root colonization percentage of grain sorghum cultivars by two species of mycorrhizal fungi and its effect on some of morphological and agronomic traits. Experiment was laid out as factorial based on randomized complete block design with three replications. Experimental treatments included three levels of fungi (F1: control without inoculation, F2...
tobacco (nicotiana tabaccum) is one of the valuable agricultural and industrial crops that there is little information about its variation. for studying genetic variation on the basis of morphological characteristics, a number of 100 exotic and endemic oriental tobacco genotypes were obtained from the germplasm collection of the urmia tobacco research center, urmia, iran, using simple lattice d...
in this research, the effect of irrigation duration on growth characteristics of thomson navel orange grafted on three rootstocks was evaluated in complete randomized block design in iran citrus research institute. factors included rootstock in three levels (poncirus (poncitus trifoliate), citrange (citrus sinensis poncitus trifoliata) and sour orange (citrus aurantium)) duration of irrigatio...
eight forage sorghum cultivars (sweet jumbo, nectar, chopper, pacific bmr, speed feed, kfs1, kfs2 and kfs3) were assessed to determine the most suitable traits carrying cultivar, through a randomized complete block design with four replications during 2003-2005. ammonium phosphate (basd on p2o5) was applied at 115 kg/ha and 183 kg/ha of nitrogen (urea-based) at four application times. six trait...
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