Thermal scarification to overcome Piptadenia moniliformis seeds dormancy
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چکیده
منابع مشابه
Transient Thermal Flux as a Way to Stimulate the Loss Dormancy on Weed Seeds
Summertime weeds as Digitaria sanguinalis in many agro-ecosystems exist. In several cases, a welldefined weed control could be able to predict the seed emergence, to know the physiological status of the seeds in the soil bank, as well as, the factors that control and involving their germination. The goal of this work is to establish a relationship between the thermal properties and the process ...
متن کاملEffect of Different Treatments on Breaking Dormancy of Teucrium chamaedrys L. Seed
In order to find the most effective method to overcome seed dormancy in Teucrium chamaedrys L. medicinal plant species the effect of some chemical and physical breaking methods including: cold stratification (5 °C), scarification with sandpaper, stratification with needle, concentrated sulfuric acid, gibberellic acid and combination of these methods were investigated. Treated seeds along with ...
متن کاملPhysical forces in dormancy and germination of xanthium seeds.
The germination of seeds of Xanthium pensylvanicum Wallr. occurs in 2 phases, an initial passive phase of water uptake followed by an active phase of growth. These 2 phases have been separated experimentally, and shown to occur similarly in isolated cotyledons and embryonic axes. Measurements of the physical thrust generated by the entire seed and its separate components of cotyledon and axis r...
متن کاملکارایی پیش تیمارهای شیمیایی و مکانیکی بر شکستن خواب بذر و ویژگی های جوانه‌زنی پنیرک (Malva neglcta)
DOR: 98.1000/2383-1251.1397.5.55.9.1.1603.41 Extended abstract Introduction: Malva (Malva neglecta) is one of perennial plants of the Malvaceae family. One of the most important mechanisms for survival of the plants is dormancy, rest or distance in germination and growth; in this case, despite favorable conditions for germination, the seed remains at rest for an indefinite period of time....
متن کاملQuantitative analysis of the thermal requirements for stepwise physical dormancy-break in seeds of the winter annual Geranium carolinianum (Geraniaceae).
BACKGROUND AND AIMS Physical dormancy (PY)-break in some annual plant species is a two-step process controlled by two different temperature and/or moisture regimes. The thermal time model has been used to quantify PY-break in several species of Fabaceae, but not to describe stepwise PY-break. The primary aims of this study were to quantify the thermal requirement for sensitivity induction by de...
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ژورنال
عنوان ژورنال: Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences
سال: 2014
ISSN: 1981-0997
DOI: 10.5039/agraria.v9i1a2488