Cold Hardiness of Cold Climate Interspecific Hybrid Grapevines Grown in a Cold Climate Region
نویسندگان
چکیده
Cold climate interspecific hybrid grapevines (CCIHG) selected for their superior midwinter cold hardiness have expanded grape production to regions. However, extreme weather events, such as polar vortexes and the high frequency of fall spring freezes, often result in yield vine losses. The main objective this study was evaluate changes bud five CCIHG cultivars grown upper Midwest identify relative risk freeze damage throughout dormant period adapt a prediction model Bud evaluated biweekly by measuring lethal temperatures buds using differential thermal analysis (DTA). our had an early acclimation response with increased levels before occurrence freezing temperatures. Maximum (-28 -30°C) were observed both years February; however, deeper stress resistance, probably attained dehydration, not detected DTA. rapid deacclimation that accelerated additional chilling accumulation during spring. reparametrizing discrete-dynamic expanding range ecodormant threshold resulted predictions average root mean square error (RMSE) = 1.01. Although hardiness, fast responses increase spring, thus trait should be future cultivar release. development tools will aid growers decision-making minimize
منابع مشابه
Health in a cold climate.
British economy is edging out of a severe economic recession, during which the future of international financial systems seemed in doubt. The scale of debt is comparable to that following the Second World War, and national borrowing is predicted to reach 80% of gross domestic product by 2013. We have suffered a permanent loss in national output of 6–7%. The inevitable reduction in funding for p...
متن کاملPlants in a cold climate.
Plants are able to survive prolonged exposure to sub-zero temperatures; this ability is enhanced by pre-exposure to low, but above-zero temperatures. This process, known as cold acclimation, is briefly reviewed from the perception of cold, through transduction of the low-temperature signal to functional analysis of cold-induced gene products. The stresses that freezing of apoplastic water impos...
متن کاملCold Climate Conditions
................................................................................................................................................... V TABLE OF CONTENTS ........................................................................................................................... VII LIST OF PAPERS .........................................................................................
متن کاملIntegrated care in a cold climate
Following a global recession, public services in many countries are preparing themselves for the worst in terms of future public spending. In the UK (which seems worse hit than many), the potential cuts are substantial. After year-on-year funding increases to bring England closer to European levels of health care spending, the National Health Service now faces the very real prospect of active c...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: American Journal of Enology and Viticulture
سال: 2021
ISSN: ['0002-9254', '1943-7749']
DOI: https://doi.org/10.5344/ajev.2021.21001