Freezing Tolerance of Saltgrass (Distichlis spicata) Ecotypes

Intrapopulation sex ratio variation in the salt grass Distichlis spicata.

ABSTRACT In many dioecious plant populations, males and females appear to be spatially segregated, a pattern that is difficult to explain given its potentially high costs. However, in asexually propagating species, spatial segregation of the sexes may be indistinguishable from superficially similar patterns generated by random establishment of a few genets followed by extensive clonal spread an...

Description of Tylenchorhynchus thermophilus n. sp. (Nematoda: Tylenchina) from Saltgrass in Death Valley, California.

A stunt nematode, Tylenchorhynchus thermophilus n. sp., is described and illustrated from soil collected around roots of saltgrass (Distichlis spicata) in Death Valley, California. It is distinguished from the similar species, T. ewingi, T. mexicanus, and T. mashoodi, in having a longer female body, longer tail with more annules, and larger phasmids. Physical and chemical analysis of soil from ...

evaluation of freezing tolerance of three ajowan (trachyspermum ammi (linn). sprague) ecotypes in controlled conditions

ajowan is one of the endemic plants in khorasan province, and there is a little information on its tolerance to cold stress. in order to study freezing tolerance of ajowan, an experiment was conducted in faculty of agriculture, ferdowsi university of mashhad, based on factorial-completely randomized design with three replications and three ecotypes of ajowan (neishabour, birjand and torbat-e-he...

Effects of Sex and Mycorrhizal Fungi on Gas Exchange in the Dioecious Salt Marsh Grass Distichlis Spicata

Evaluation of freezing tolerance in olive cultivars by stomatal density and freezing stress

Selection of frost tolerant cultivars and understanding the mechanisms of frost hardiness could help to improve freezing resistance in olive plants. Olive cultivars may differ in frost hardiness due to differential survival of specific organs. The aim of this study was to screen different olive cultivars based on their stomatal density and metabolic modifications under cold conditions. The ‘Zar...