Variety traits
Drought tolerance of a variety is the ability of a plant to maintain productivity and crop quality under conditions of moisture deficit and dry air. This property is based on mechanisms of drought escape, water conservation, and physiological tissue endurance.
Mentioned in descriptions 12 470 varieties reference book.
Drought tolerance is expressed as the ability of a variety to maintain stable productivity during soil moisture shortages. The trait is manifested through biological drought escape in early-maturing forms, anatomical and morphological adaptations such as waxy bloom and leaf pubescence, as well as the physiological resistance of cellular systems to dehydration and high temperatures.
Tolerance assessment in the variety testing system is conducted by field comparison with a standard during adverse years, where the variety is rated in scores based on yield levels. Additionally, visual symptoms are taken into account, including leaf rolling, plant height, and the retention of green color (stay-green), as well as laboratory indicators of tissue water-holding capacity and proline accumulation.
The effectiveness of a variety depends on its plasticity and ability to pass through critical development phases, such as jointing or heading, without critical loss of productivity. Drought tolerance often correlates with overall adaptability to other stress factors; therefore, when selecting, it is important to consider the homeostatic nature of the variety and the results of trials in specific agro-climatic zones.
Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.
Zea mays L. · Maize
ZOULIAMIS PAVLOS
Poa pratensis L. · Kentucky bluegrass
SEED RESEARCH OF OREGON
Zea mays L. · Maize
INSTITUT ZA KUKURUZ ZEMUN POLJE
Lolium perenne L. · Perennial ryegrass
SEED RESEARCH OF OREGON
Zea mays L. · Maize
LIMAGRAIN EUROPE
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Festuca arundinacea Schreb. · Tall fescue
PURE SEED TESTING
Sorghum bicolor (L.) Moench · Sorghum
Krys Velby
Vitis L. · Grapevine
INCONNU (FR)
Anisodontea capensis (L.) D. M. Bates
Plant Growers Australia Pty Ltd
Delosperma nubigenum (Schltr.) L. Bolus · Hardy yellow ice plant
Koichiro Nishikawa
Lavandula stoechas L. · French lavender
Virginia Mc Naughton
Humulus lupulus L. · Common hop
KOIE KOICHIRO|SUDA NARUSHI|ITOGA YUTAKA|UEMOTO MITSUHIRO|ARAI YASUNORI|GOTO MASANOBU
Buddleja L. · Buddleia
Podaras Peter
Lagerstroemia L. · Crape Myrtle
Michael Dirr
Sedum L. · Ice Plant
Gossett Gary J.|Portland, OR, US
Lomandra longifolia · Spiny-head mat-rush
Miner Keith / Miner Jennifer
Zea mays L. · Maize
Joel Meunier
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Zea mays L. · Maize
INSTITUT ZA KUKURUZ ZEMUN POLJE
Zea mays L. · Maize
INSTITUT ZA KUKURUZ ZEMUN POLJE
Triticum aestivum L. · Bread wheat
VLASENKO VOLODYMYR, KYRYLENKO VIRA, ZAIMA OLEKSII, YURCHENKO TETIANA, KHOMENKO SVITLANA, HUMENIUK OLEKSANDR, DUBOVYK NATALIIA, VOLOHDINA HALYNA, ZAMLILA NINA, DEMYDOV OLEKSANDR
Vitis vinifera L. · Common grape vine
LLOYD/HAROLD/AUSTIN