Storage of non-dormant hardwood seeds: new trends
نویسندگان
چکیده
منابع مشابه
temporal changes in abscisic acid concentration in dormant and non-dormant seeds of wheat (triticum spp.) genotypes
little is known about the levels and physiological role of endogenous abscisic acid (aba) during after-ripening and germination. genetic variants for aba content were investigated to account for the role of aba in the persistence of seed dormancy. in this study, genotypic variation in aba contents at zadok’s growth stage 92 (zgs 92), temporal changes in aba during two physiological stages (...
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We examined the 52-yr sawlog price trends for the 10 commercial hardwood tree species in Ohio. Data were compiled from the Ohio Timber Price Report for four log grades (Prime, #1, #2, Blocking) covering the years 1960–2011, and average annual percentage rates of change in both nominal and real sawlog prices were determined. We further compared real log grade price movements within each species....
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Introduction 86 Factors Affecting Longevity of Seeds 86 Seed Characteristics 86 Basic seed physiology 86 Seed morphology 88 Chemical composition 88 Seed maturity 89 Seed Handling Prior to Storage 89 Storage Environment 89 Moisture 89 Temperature 90 Atmosphere 91 Storage Facilities 92 Cold storage 92 Containers 92 Moisture Control 93 Storage Recommendation 93 Orthodox Seeds 93 Temperate-Recalcit...
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Dormant seeds in permanent soil seed banks change their germination probability with age, but little is known about the causes of this behavior. Since current adaptive models do not consider the age structure of the seed bank, the sole explanation is that changes in germination probability with age are due to passive accidental factors or to decay of seeds. Here we present a theory, which shows...
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ژورنال
عنوان ژورنال: Annales des Sciences Forestières
سال: 1989
ISSN: 0003-4312
DOI: 10.1051/forest:19890517