The ratio of metal:P stoichiometry was used to identify the accumulation pathways of heavy metals (V,Cr,Co,Ni,Cu,Cd,and Pb) from periphyton to snails Cipangopal
In this study,we examined the pollen morphology of the platycodonoid group in Campanulaceae s.str.using a scanning electronic microscope.We used pollen grains o
Flowering at suitable time is very important for plants to adapt to complicated environments and produce their seeds successfully for reproduction.In rice (Oryz