Query : "Iranian Journal of Seed Research"

Results 11 - 20 of 99

Extended abstract Introduction: Stevia is a perennial short day plant, belonging to the Asteraceae family. It is also called sugar leaf. Poor germination of this plant serves as a barrier for its planation on a large scale, which contributes to its scarcity and expensivenss as a medicinal herb. In many plants, seed germination is sensitive to salinity, which determines the survival of the plan ...

SUBJECT: total chlorophyll; catalase; superoxide dismutase; peroxidase; seed vigor index

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstract Introduction: Indian Cheese Maker, an herbage plant, belongs to potatoes family and grows in areas such as Pakistan, Afghanistan, India and Iran. Given its medicinal properties, Indian Cheese Maker plays an important role in traditional Iranian medicine. Lack of dormancy is one of the most desirable agronomic characteristics of its seeds, which is necessary to achieve the hig ...

SUBJECT: seed sterilization; stratification; landrace; α and β amylase; morphological features

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstractIntroduction: Interference caused through weeds and crops competition for environmental resources and allelopathy brings about damage in crop species. Allelopathy is defined as a direct or indirect inhibiting or provoking effect of a plant on other plants through the production of chemical compounds introduced into the environment. Although the allelopathic effects of the shoo ...

SUBJECT: chenopodium; germination persentage; allelopathy; soybean; cocklebur

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Introduction: Quinoa, with the scientific name (Chenopodium quinoa Willd), belongs to the Spencer family. Seeds vigor can be improved with a variety of seed priming methods. In this method, the seeds are soaked in water or various osmotic solutions and then dried to the original moisture. After priming treatment, seeds are stored and cultivated as untreated seeds. Potassium nitrate is the most ...

SUBJECT: chlorophyll; germination percentage; relative water content; root length; allometric coefficient

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstract Introduction:Echinacea purpurea, a member of Asteraceae family, is a herbal medicine which is effective for promoting human immune system. Enviromental stresses including water defecit, which limit maternal plant growth, can also affect their seed quality and germination. Various compounds such as salicylic acid and spermin are known to be useful in the alleviation of harmful ...

SUBJECT: germination vigour; germination energy; allometric factor; germination rate

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstract Introduction: Drought stress is one of the major problems in sugar beet production in Iran, and is the most important limiting factor for germination and establishment of sugar beet in the early stages of growth. Seed priming with chemical, nutrient elements or pre-chilling techniques are the most effective methods to improve germination percentage and speed, leading to unifo ...

SUBJECT: hydrochloric acid; germination percentage; sugar beet; stratification

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstractIntroduction: Allelopathic effects of plant on one another are one of the most important concerns in reclamation and rehabilitation of rangelands in Iran. Allelopathy refers to the deterrent effects of a plant on growth, development or emergence of another plant. One of the rangeland reclamation methods is planting suitable and compatible species. However, without considering ...

SUBJECT: allelopathy; emergence percentage; photosynthetic pigments; manganese

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstractIntroduction: Niger with the scientific name of Guizotia abyssinica (L.F.) Cass. belongs to the Asteraceae family. Niger seed contains 50-75 percentage of oil which is used in the treatment of rheumatism and burns, and as a substitute for olive oil. Its meal is also used for animal feeding. Environmental crises sustained by living systems are considered as stress. Drought stre ...

SUBJECT: germination percentage; magnate; physical priming; osmotic stress

POSTED TO: Iranian Journal of Seed Research [2383-1480]

Extended abstract Introduction: Generally speaking, plants contain various organic compounds which could influence the behavior of plant communities. These compounds are basically secondary metabolites which are found in various parts of plants such as rhizomes, roots, stems, leaves, flowers, fruits and seeds. The objective of the present study was to investigate the hetrotoxicity potential of ...

SUBJECT: photosyntesis pigment; germination percentage; allelopathy; radicle length

POSTED TO: Iranian Journal of Seed Research [2383-1480]

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