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The aim of this study was to investigate and to quantify the effect of burial depth on seedling emergence of volunteer canola and wild mustard. Seeds were buried in 12 different depths (1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30 cm) in 4 replications and seedling emergence was measured daily. Results indicated that emergence percentage of volunteer canola was around 98 % from 1 to 2.9 cm of buria ...

SUBJECT: seed bank, burial depth, wild mustard, volunteer canola.; بانک بذر, عمق دفن‌شدن, خردل وحشی, کلزای خودرو

POSTED TO: Iranian Journal of Seed Research

The cultivation of sunflower (Helianthus annuus L.) has significantly increased in recent years, mainly due to thequality of its oil, which is useful for the human consumption and industrial purposes. In order to investigate the effect of different seed storage temperatures on seed quality of two sunflower cultivars (Euorfluor and Rcord), seeds were exposed to three storage temperatures (5, 20 ...

SUBJECT: storage, electrical conductivity, germination, helianthus annuus, seed vigor; آفتاب‌گردان, انبارداری, دمای انبار, رقم, هدایت الکتریکی, متوسط زمان جوانه‌زنی

POSTED TO: Iranian Journal of Seed Research

Salinity is one of the most extensive environmental stresses and is a limiting factor for the growth and development of crops, such as rice. Then, an experiment based upon completely randomized design with four low levels (0, 7.5, 15, 22.5) and four high of salinity (75, 150, 225 and 300 mM) with control as the first factor and nine cultivars of rice (dollars, Hasan Saraii, Mousa Tarom, Kamfir ...

SUBJECT: rice, salinity, germination percentage, germination rate, seed vigor; برنج, شوری, درصد جوانه‌‌زنی, سرعت جوانه‌زنی.

POSTED TO: Iranian Journal of Seed Research

In order to study the effect of different levels of salinity stress on germination indices and early growth of Trigonella foenum-greacum L., an experiment was conducted in agronomy laboratory of Faculty of Agricultural at the University of Guilan in 2012. The experiment was arranged base on completelyrandomized design with four replications. The used treatments were different levels of salinit ...

SUBJECT: fenugreek, germination, salinity stress, vigor; بنیه بذر, تنش شوری, درصد جوانه‌زنی, شنبلیله

POSTED TO: Iranian Journal of Seed Research

A laboratory experiment was conducted to evaluate the effect of seed priming under salt and drought conditions on seed germination and early seedling development of millet. A factorial experiment (325) based on completely randomized design with three replications was employed. The first factor was the effect of seed priming (control, hydro priming and KNO3), the second factor was the effect of ...

SUBJECT: germination, priming, seedling growth, stress; پرایمینگ, تنش, رشد گیاهچه, جوانه‌زنی

POSTED TO: Iranian Journal of Seed Research

In order to investigate the seed vigor of corn hybrid 704 after maternal plant foliar application with methanol, some micro and macro-nutrients an experiment was conducted in a factorial form based on RCBD with three replications during growing seasons of 2010-2011. Treatments were four growth stages (the 8-10 leaves, the tasseling, the seed-filling, all the stages), seven levels of foliar app ...

SUBJECT: بنیه‌ی بذر, جوانه‌زنی, مراحل رشد; germination, growth stage, vigor

POSTED TO: Iranian Journal of Seed Research

In order to extend the cultivation season and increase in growth ability in tropical regions, the effect of priming media, SA, NaCl, PEG, water and vitamin B1 with chemical elimination of pericarp by sulphuric acid, evaluated on growth characters of spinach under high temperature stress (25, 30, 35 C). Results showed that PEG and vitamin B1 pretreatment after scarification with sulphuric acid ...

SUBJECT: ویتامین b1, اسید سولفوریک, پریکارپ, جوانه‌‌زنی; vitamin b1, sulphuric acid, pericarp, germination

POSTED TO: Iranian Journal of Seed Research

The percentage and rate of germination and proper establishment of seedlings are important factors contributing to higher yield per unit area. As an essential element for plant growth and development, Zinc plays a critical role in many metabolic processes, and also has a positive effect on seed germination. The effects of seed priming with concentrations of 0.5, 1 and 2 percent zinc sulfate on ...

SUBJECT: leaf area, autotrophic growth, heterotrophic growth, efficiency of reserve mobilization; سطح برگ, رشد خودپرور, رشد خودناپرور, کارایی تبدیل اندوخته غذایی

POSTED TO: Iranian Journal of Seed Research

Gaining insights into the germination and emergence patterns of weeds as well as the factors which have an impact on these patterns is beneficial for weeds management programs. In order to investigate the effect of temperature, waterlogging and salinity on germination and emergence of common lambsquarters, three separate experiments were conducted, adopting a completely randomized design with ...

SUBJECT: germination percentage, germination rate, seed vigor index, seedling; درصد جوانه‌زنی, سرعت جوانه‌زنی, شاخص بنیه بذر, گیاهچه

POSTED TO: Iranian Journal of Seed Research

The present study sought to evaluate the effect of different temperatures on germination and to determine cardinal temperatures (i.e., base, optimum and maximum) of Secale mountanum at temperatures of 3, 5, 10, 15, 20, 25, 30 and 35oC. Three nonlinear regression models (i.e., segmented, dent-like and beta) were used for quantifying the response of germination rate to temperature. The results s ...

SUBJECT: چاودار کوهی, دمای کاردینال, دما, مدل; secale mountanum, cardinal temperatures, temperature, model

POSTED TO: Iranian Journal of Seed Research