EDAPHATIC FACTORS AFFECTING SEEDLING PERMANENT EMERGENCE
نویسندگان
چکیده
منابع مشابه
Factors affecting Campsis radicans seed germination and seedling emergence
Krishna N. Reddy Southern Weed Science Research Unit, USDA-ARS, P.O. Box 350, Stoneville, MS 38776 The effects of environmental factors on germination and emergence of Campsis radicans seeds were examined in laboratory and greenhouse experiments. Campsis radicans pods produced numerous, papery, and small seeds (696 seeds/pod; 4 mg/seed). Seeds exhibited dormancy that was relieved (74% germinati...
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Seedling recruitment of Dalmatian toadflax, (Linaria genistifolia ssp. dalmatica (L.) Maire and Petitmengin (Scrophulariaceae)), was examined in a 2-year field study in Montana using overseeding and plant/insect exclusion methods, to determine whether it was more limited by seed availability or interspecific plant competition. Overseeding test plots with toadflax seed had no effect on seedling ...
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PURPOSE The objectives of the present study were to determine the prevalence of residual extrusion, pulpal necrosis, and resorption for extruded permanent teeth and to establish the effect of presentation and treatment factors. METHODS Seventy-two traumatically extruded permanent incisors were studied at the Departments of Paediatric Dentistry in Belfast, Newcastle upon Tyne, and Glasgow. The...
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Using a new and rich data source on permanent disability claims, this article explores two issues relating to permanent partial disability (PPD) benefits. First, the process of determining the final disability rating, which affects the actual level of PPD benefits, is modeled. Differences between the initial impairment rating provided by the treating physician and the final disability rating ar...
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ژورنال
عنوان ژورنال: HortScience
سال: 1992
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.27.6.577f