نتایج جستجو برای: to better understand seed priming that improve seed germination and seedling uniformity
تعداد نتایج: 18399625 فیلتر نتایج به سال:
the main objective of this study was using of canonical correlation analysis (cca) to find relations between 15 different variables of seed emergence and seedling growth related characteristics of seven important crop that were classified in three groups. the studied groups of variables were included physical characteristics (seed weight, seed length, seed density, water absorption and water co...
introduction: b. campestris is an old plant that commonly grows in arid and semi-arid areas. it has mucilage in the epidermal cells of canola seeds, a considerable variation in growth form and characteristics across the many cultivars. these species have in general, a flat root without an elongated crown, with stems that typically grow 30 to 120 cm tall. the leaves are large, soft, smooth or so...
Poor germination and low seedling growth of stevia are common problems in the cultivation of the plant. Nutri-priming is a newest, safe, easy, and effective method to increase germination characteristics and seedling tolerance against stress. The objective in this study was to assess the effect of nutri-priming with nano potassium (nano-K), paclobutrazol (PBZ), and salicylic acid (SA) on stevia...
Seed priming is one of the most important techniques used to improve seed germination under biotic and abiotic stresses. For this purpose, germination and seedling growth characteristics of primed seeds of Tall wheatgrass (Agropyron elongatum (Host.) P. Beauv) were evaluated under drought and low-temperature condition. A factorial experiment was conducted on the basis of randomized completely b...
background & aim: because of seed germination ability of medicinal plants seed is low and, generally exposed to problem. priming is one of the techniques that help seeds to be germinated faster and uniformly. experimental: a laboratory experiment was carried out on germination and growth improvement in heracleum persicum desf. by seed osmo-primming in seed technology laboratory ...
The possible effects of seed priming on mitigating the effects of drought stress on germination and early seedling growth of two rangeland plants were evaluated in a laboratory research during 2015-16 growing season. The research was conducted as a 2×3×3 factorial experiment based on completely randomized design with three replications. The first factor was plant type (Festuca ovina and Bromus ...
For the purpose of evaluating the effect of chitosan on seed germination and some biochemical characteristics of the milk thistle herb in the conditions of salinity, an experiment was conducted as factorial in a completely randomized design (CRD) with three replications in the Laboratory of Seed Science and Technology of Shahed University, Tehran in 2015. Experimental factors comprised salinity...
Seed priming is a common way to increase the speed and uniformity of germination under Under stress and non-stress conditions. The aim of this study was to investigate the effects of different levels of gibberellic , salicylic and ascorbic acid on improvement of germination indices of Zygophyllum atriplicoides under salt stress in laboratory Chemical stimulators used in this study include: 3 le...
augment of germination rate is important in seedling establishment and crop yield. a set of study in laboratory & field conditions at agronomy department of university of tehran was conducted during 2004-2005. in lab. experiment the effects of seed priming was evaluated on germination indices (germination percentage and rate) of chickpea genotypes in a factorial experiment of 4×3×2 arranged in ...
بررسی تأثیر پیشتیمار بذر بر جوانهزنی و رشد گیاهچه در کدوی تخمهکاغذی (Cucurbita pepo) تحت تنش شوری
In order to investigate the Cucurbit seed germination and seedling vigor improvement affected by different salinities in Yasouj University in 2011. A factorial experiment was conducted in base of complete randomized design. The first factor was osmopriming by KNO3 and KH2PO4 (1 & 3%) and (-5 & -10 bar) and hydro priming by distilled water and control with out priming. The second was five levels...
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