Effects of Different Light Conditions on Anatomical and Histological Features of Galls in Bacterial Gall Disease of × .

× (cherry 'Somei-yoshino' Fujino) is affected by bacterial gall disease caused by pv. (PSC). × is often infected with PSC under weak light intensity, which indicates that susceptibility of × to PSC is affected by light.

Hydraulic architecture with high root-resistance fraction contributes to efficient carbon gain of plants in temperate habitats.

Premise: The hydraulic architecture in the leaves, stems and roots of plants constrains water transport and carbon gain through stomatal limitation to CO absorption. Because roots are the main bottleneck in water transport for a range of plant species, we assessed the ecophysiological mechanism and importance of a high fraction of root hydraulic resistance in woody and herbaceous species.

Methods: Biomass partitioning and hydraulic conductance of leaves, stems, and roots of Japanese knotweed (Fallopia japonica, a perennial herb) and Japanese zelkova (Zelkova serrata, a deciduous tall tree) were measured.

Effects of xylem embolism on the winter survival of Abies veitchii shoots in an upper subalpine region of central Japan.

At high elevations, winter climatic conditions frequently cause excessive drought stress, which can induce embolism in conifer trees. We investigated the formation and repair of winter embolism in subalpine fir (Abies veitchii) growing near the timberline. We found a complete loss in xylem conductivity [100% percent loss of conductivity (PLC)] at the wind-exposed site (W+) and 40% PLC at the wind-protected site (W-).

Seasonal variations in water relations in current-year leaves of evergreen trees with delayed greening.

We investigated seasonal patterns of water relations in current-year leaves of three evergreen broad-leaved trees (Ilex pedunculosa Miq., Ligustrum japonicum Thunb., and Eurya japonica Thunb.