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KMID : 0903619950360030438
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Journal of the Korean Society for Horticultural Science
1995 Volume.36 No. 3 p.438 ~ p.451
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Presowing Seed Conditioning to Improve Stand Establishment and Yield of Vegetables
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Khan, Anwar A
Szafirowska, Anna/Satriyas, Ilyas/Ptasznik, Wlodzimierz
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Abstract
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Control of seed hydration via low water potential media, in which seeds are immersed or imbibed in a liquid medium (osmoconditioning), or are in contact with a moist solid matrix (matriconditioning); and control of hydration via water vapor (humidification), in which seeds are not in direct contact with liquid water, are described. Some of the physical, physiological and biochemical changes that occur as a result of controlled seed hydration, and which underlie the various benefits observed, are described. Examples of the benefits on emergence, stand establishment and yield are drawn from field studies conducted with a number of vegetable seeds, including carrot [Daucus carota var. sativus (Hoffn.)], table beet (Beta vulgaris L.), tomato (Lycopersicon esculentum Mill.), pepper (Capsicum annuum L.), snap bean (Phaseolus vulgaris L.), watermelon [(Citrullus lanatus (Thumb.) Matsumi & Nakai] and sweetcorn (Zea mays L.).
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