This book covers about 20 grape species that are vitally important in breeding programs and provide information on approximately 150 of the most familiar grape rootstocks in the world. Today, grape rootstocks play a fundamental role in resistance to biotic and abiotic stresses and adaptation of grapevine to different environmental conditions, a factor that has opened commercial grape growing up to regions that might otherwise be overlooked. Grape rootstocks can be used for adaptation to a variety of soil conditions, including soil texture, depth, nutrient availability, pH, salinity, lime content, water availability (drought), and water drainage. Rootstocks can also be used to shift scion cultivar; the timing of various key phenological events and indirectly affects vineyard design. There are around 1500 grape rootstocks developed in the world, of which around 50 are commonly used as commercial rootstock. North American species account for around 30 species, and two-third of them have already been used for rootstock breeding at one time or another. However, the most commonly available rootstocks are derived from just three American species (V. berlandieri, V. rupestris, and V. riparia). Therefore, the most common grape rootstocks have a narrow genetic base, and efforts to extend the gene pools for breeding programs by using the other species are of ongoing importance to the industry and scientific community.
Zusammenfassung: Almond and peach species have global importance as food crops as well as use in landscaping including restoration and reforestation. Because currently available breeding germplasm has a very narrow genetic base, genetic improvement programs are turning to wild germplasm as sources of improved quality, productivity and resistance traits. This germplasm is also enabling the dramatic modification of traditional cropping systems as with the transfer of self-fruitfulness from related wild almond and peach species to normally self-sterile cultivated almond. While presence of an extensive wild almond and related germplasm has been documented in the literature over the past century, most information remains dispersed and often not generally accessible owing to its publication in treatises and journals of limited distribution. This monograph brings together a comprehensive characterization of almond and its related species including the cultivated and wild peaches. Because it represents the only comprehensive source of information on almond, peach and their wild relatives, it represents a basic reference text of interest to researchers in both the basic and applied plant and ecological sciences
This book covers about 20 grape species that are vitally important in breeding programs and provide information on approximately 150 of the most familiar grape rootstocks in the world. Today, grape rootstocks play a fundamental role in resistance to biotic and abiotic stresses and adaptation of grapevine to different environmental conditions, a factor that has opened commercial grape growing up to regions that might otherwise be overlooked. Grape rootstocks can be used for adaptation to a variety of soil conditions, including soil texture, depth, nutrient availability, pH, salinity, lime content, water availability (drought), and water drainage. Rootstocks can also be used to shift scion cultivar; the timing of various key phenological events and indirectly affects vineyard design. There are around 1500 grape rootstocks developed in the world, of which around 50 are commonly used as commercial rootstock. North American species account for around 30 species, and two-third of them have already been used for rootstock breeding at one time or another. However, the most commonly available rootstocks are derived from just three American species (V. berlandieri, V. rupestris, and V. riparia). Therefore, the most common grape rootstocks have a narrow genetic base, and efforts to extend the gene pools for breeding programs by using the other species are of ongoing importance to the industry and scientific community.
Zusammenfassung: Almond and peach species have global importance as food crops as well as use in landscaping including restoration and reforestation. Because currently available breeding germplasm has a very narrow genetic base, genetic improvement programs are turning to wild germplasm as sources of improved quality, productivity and resistance traits. This germplasm is also enabling the dramatic modification of traditional cropping systems as with the transfer of self-fruitfulness from related wild almond and peach species to normally self-sterile cultivated almond. While presence of an extensive wild almond and related germplasm has been documented in the literature over the past century, most information remains dispersed and often not generally accessible owing to its publication in treatises and journals of limited distribution. This monograph brings together a comprehensive characterization of almond and its related species including the cultivated and wild peaches. Because it represents the only comprehensive source of information on almond, peach and their wild relatives, it represents a basic reference text of interest to researchers in both the basic and applied plant and ecological sciences
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