Development of the system form for concrete casting in the girder bridge slab-purlin hanging system

Sung, Soojin; Lim, Jeeyoung; Palikhe, Shraddha; Han, Kyungbo; Kim, Sunkuk

doi:10.20474/-jater2.1.4

Cited by 1 publication

(1 citation statement)

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“…The effects of water stress on cork oak plants are numerous. They vary according to the severity and duration of the stress, the stage of development and the genotype [3,4]. Symptoms of water stress in cork oak include both morphological changes: loss of leaves, drying branches, a reduction in growth in diameter and height that affects other developmental processes, as lowering, fruiting and reproduction [5], and physiological changes, an in luence at the cellular level which affects membrane formation and cell division processes; inhibited enzymatic activity and modi ications of the biochemical metabolism [6].…”

Section: Introductionmentioning

confidence: 99%

Physiological responses of Quercus suber to the effect of water deficit in presence of ectomycorrhizal fungi

Bouchra¹,

Ouajdi²,

Smouni³

et al. 2018

J. appl. phys. sci.

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The Moroccan Maamora forest is one of the largest cork oak forests in the Mediterranean area. In this important forest, characterized by sandy soils, water disturbance is the major factor that leads to the degradation and destruction of cork oak stands. Ectomycorrhizal symbiosis is a good alternative and can induce functional and structural modi ications that alleviate Quercus suber plants from water stress. This study was carried out to assess the response of young cork oak plants inoculated by nine fungal isolates (Russul sp. Lactar controversus, Amanita pantherina, Cortinarius sp., Hebeloma sp., Boletus sp., Lactarius volemus, Inocybe sp. and Scleroderma sp.) to water de icit. The results showed that controlled mycorrhization improves signi icantly plants tolerance to drought stress. Boletus sp. was the most ef icient isolate that procured to cork oak seedlings a better stomatacal conductance, root and shoot dry weight and chlorophyll content. Also, the leaf water potential, proline and anthocyanin accumulation were lower in seedlings with Boletus inoculation. After drought stress stage, cork oak plants have been rehydrated and again, Boletus sp. produced a mean recovery of 60% while it was only 1% in plants control. These data clearly show that the inoculation of cork oak plants with ectomycorrhizal isolates, such as Boletus sp. could be a very interesting pathway in the sandy soils of Maamora and subsequently in determining the success of its regeneration programmes.

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