نتایج جستجو برای: specific leaf area sla
تعداد نتایج: 1630116 فیلتر نتایج به سال:
Coffee leaves contain a wide range of leaf compounds, which vary by growth stage. Recently, the importance coffee metabolites with beneficial phytochemicals has been widely identified. This research investigated Canephora coffee’s morphological and physiological development analyzed phytochemical composition main were harvested classified into following five stages: S1 (leaf age 1–4 days), S2 5...
models can be used to predict crop yield and inputs levels such as fertilizer, in order to conduct programming for the management of probable future crisis. in this study, based on the model, the effect of nitrogen fertilizer on dry matter partitioning in shoot and root of sugar beet was predicted. for model construction, data were collected from an experiment conducted in karaj city in 2001. i...
Agricultural land use imposes a major disturbance on ecosystems worldwide, thus greatly modifying the taxonomic and functional composition of plant communities. However, mechanisms of community assembly, as assessed by plant functional traits, are not well known for dryland ecosystems under agricultural disturbance. Here we investigated trait responses to disturbance intensity and availability ...
This greenhouse study evaluated the effects of two chemicals for priming kidney bean seedlings against bacterial wilt disease (Curtobacterium flaccumfaciens pv. Flaccumfaciens) (CFF). The premise this was that oxidant properties chlorine dioxide would mimic signaling radical oxygen species thereby initiating a cascade molecular plant defenses. factorial included levels foliar treatment, inocula...
1. One proposed mechanism by which tree species coexist is through partitioning gradients of light availability. We performed a pot experiment in which seedlings of 12 pioneer species were established in 30% light, then transplanted to six light treatments designed to simulate natural gaps ranging from 25 m (≈10% full sun) to 800 m (60% full sun). Plants were harvested after 56–117 days, and co...
Extreme droughts such as the one that affected California in 2012-2015 have been linked to severe ecological consequences in perennial-dominated communities such as forests. In annual communities, drought impacts are difficult to assess because many species persist through facultative multiyear seed dormancy, which leads to the development of seed banks. Impacts of extreme drought on the abunda...
Abstract. Qur’ani CG, Yoshimura K. 2020. Effect of low light condition on the growth and carbon use legume seedlings. Asian J For 5: 51-59. Plants exhibit flexible changes morphological physiological traits to adapt environments. However, interaction between growth, functional among plant organs, non-structural carbohydrates (NSCs) concentration determine adaptation strategies remain unclear. T...
The subject of this review is the impact of long-term changes in temperature on plant growth and its underlying components. The discussion highlights the extent to which thermal acclimation of metabolism is intrinsically linked to the plasticity of a range of biochemical and morphological traits. The fact that there is often a trade-off between temperature-mediated changes in net assimilation r...
Drought stress is a major environmental factor limiting plant growth. Selection of drought-tolerant plants critical importance in vegetation restoration and forestation programs. Alnus subcordata Acer velutinum are two valuable, dominant, endemic species the Hyrcanian forests. There fast-growing significant diffuse-porous hardwood afforestation reforestation. One-year old seedlings both were ex...
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