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首页> 外文期刊>Fruit, Vegetable and Cereal Science and Biotechnology >Long-Term Fruit Yield and Quality of Various Gala Apple Strain-Rootstock Combinations under an Evapotranspiration-Based Drip Irrigation System
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Long-Term Fruit Yield and Quality of Various Gala Apple Strain-Rootstock Combinations under an Evapotranspiration-Based Drip Irrigation System

机译：基于蒸散的滴灌系统下不同嘎拉苹果-砧木组合的长期产量和品质

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摘要

In a long-term study in 'Gala' apple (Malus x domestica Borkh) between 2004 and 2007, fruit yield and physical quality attributes (fruit weight, skin red color, and incidences of splitting and russeting) of five strains ('Pacific', 'Gale', 'Brookfield', 'Treco Red #42' and 'Buckeye') on RN29 rootstock and four strains ('Scarlet', 'Royal', 'Ultima' and 'Crimson') on Bud9 rootstock were examined under a drip irrigation system using crop evapotranspiration (ETc) adjusted by the percentage of ground shade. The strain-rootstock combinations used in this study represent the most commonly planted 'Gala' trees in the United States apple industry. 'Pacific', 'Brookfield', 'Treco' and 'Buckeye' strains (all on RN29 rootstock) had higher fruit yield in most years, resulting in significantly higher cumulative yields than 'Scarlet', 'Royal', 'Ultima' and 'Crimson' strains on Bud9 rootstock. 'Brookfield', 'Treco', 'Gale', 'Buckeye' on RN29 rootstock had similar average fruit weights and their weights were oftenhigher than those in 'Scarlett', 'Royal', and 'Ultima' on Bud9 rootstock. 'Buckeye' and 'Gale Gala' fruits had higher visual red color ratings compared to the other strains every year. Considering all yield and quality attributes, we recommend 'Buckeye'and 'Gale' strains on RN29 rootstock under climate conditions of Intermountain west region of the USA. With a drip irrigation system, each young tree received an average of 2921 L (449 mm) and each mature tree received and average of 3996 L (614.1 mm) ofwater per growing season.
机译：在2004年至2007年间对'Gala'苹果（Malus x domestica Borkh）进行的一项长期研究中，发现了五种菌株（'Pacific' ，RN29砧木上的'Gale'，'Brookfield'，'Treco Red＃42'和'Buckeye'）和Bud9砧木上的四种菌株（'Scarlet'，'Royal'，'Ultima'和'Crimson'）在使用作物蒸散量（ETc）的滴灌系统可通过调节地面阴影的百分比来进行调节。本研究中使用的菌株-砧木组合代表了美国苹果产业中最常见的“嘎拉”树。在大多数年份中，“ Pacific”，“ Brookfield”，“ Treco”和“ Buckeye”菌株（均在RN29砧木上）具有较高的果实产量，因此累计累积产量显着高于“ Scarlet”，“ Royal”，“ Ultima”和“在Bud9砧木上的深红菌株。 RN29砧木上的'Brookfield'，'Treco'，'Gale'，'Buckeye'具有相似的平均果实重量，它们的重量通常高于Bud9砧木上的'Scarlett'，'Royal'和'Ultima'。与其他菌株相比，“ Buckeye”和“ Gale Gala”水果的视觉红色等级更高。考虑到所有产量和质量属性，我们建议在美国西部山区的气候条件下，在RN29砧木上使用'Buckeye'和'Gale'菌株。使用滴灌系统，每棵幼树平均每个生长季节获得2921升（449毫米），每棵成熟树木平均获得3996升（614.1毫米）的水。

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