نتایج جستجو برای: complex morphophysiological dormancy
تعداد نتایج: 789309 فیلتر نتایج به سال:
BACKGROUND AND AIMS The shrub Viburnum tinus is widely distributed in mattoral vegetation of the Mediterranean basin. The purpose of the present study was to classify the seed dormancy type and examine the requirements for embryo growth, root protrusion and shoot emergence. METHODS Overwintered fruits were collected in western Spain in April 2001 and prepared in three ways: entire pericarp wa...
The life stages of seed germination and seedling establishment play a vital role in maintaining plant populations and determining range dynamics of species. Thus, it is not surprising that specific germination requirements and dormancy mechanisms have evolved in all major angiosperm clades. In a rapidly changing climate, we face growing pressure to manage, conserve and restore native plant spec...
Many endangered plants such as Eryngium viviparum (Apiaceae) present a poor germination rate. This fact could be due to intrinsic and extrinsic seed variability influencing germination and dormancy of seeds. The objective of this study is to better understand the physiological mechanism of seed latency and, through artificial intelligence models, to determine the factors that stimulate germinat...
Knowing the determinants of seed germination helps us understand plant adaptive strategies to environment and predict population community regeneration under climate change. However, multiple factors, including traits that influence their relative importance, have received little attention. Here, experiments were conducted on newly collected seeds for 89 herbaceous species from salinized Songne...
Abstract Seed dormancy ensures seedling establishment in the favorable season a seasonally changing environment. Korean pine (Pinus koraiensis Sieb. et Zucc.) seeds have morphophysiological after dispersal autumn. A small fraction of germinates first spring, but most germinate second spring following dispersal. It is not clear how status changes and thus drives germination characteristic. Fresh...
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