Results 61 to 70 of about 2,831 (175)
The aim of the study was to replace mineral fertilizers with organic and biological fertilizers to improve nutrient uptake, plant growth and the concentrations of some important secondary metabolites in periwinkle (Catharanthus roseus L.).
Hashemabadi Davood +3 more
doaj +1 more source
Viruses infecting periwinkle (Catharanthus roseus L.) in Western Saudi Arabia
Periwinkle (Catharanthus roseus L.) is an ornamental plant widely grown in the Mecca region in the Kingdom of Saudi Arabia (KSA). Different symptoms similar to those induced by viruses (mosaic, vein clearing, mottling, yellowing, flower variegation ...
Esam ELBESHEHY +3 more
doaj +1 more source
Effect of sisal fibre on partially replaced cement with Periwinkles Shell Ash (PSA) concrete
An investigation on the effect of sisal fiber on partially replaced cement with Periwinkle Shell Ash in Concrete was carried out. Sisal fiber of 40mm length which forms 1% of the mix by weight with Periwinkle shell Ash as a partial replacement for ...
J.O. Afolayan, U.N. Wilson, B Zaphaniah
doaj +1 more source
Cadmium is a toxic heavy metal known to induce oxidative stress, DNA damage, and inflammation, particularly in kidney tissue, as shown by elevated levels of inflammatory cytokines such as Interleukin-6 (IL-6) and apoptotic markers like Caspase-3.
Qisthy Kurrota Aini +2 more
doaj +1 more source
Leafhoppers transmit citrus stubborn disease to weed host
Researchers report a new breakthrough in studies of citrus stubborn disease. Leaf-hoppers have been shown to transmit the disease organism to and from a weed plant—from diseased periwinkle to London rocket and from diseased London rocket to healthy ...
G Kaloostian +3 more
doaj
The needs for eco-friendly composites have initiated the use of agricultural wastes as possible replacements for expensive synthetic carbon and glass fillers for metal and polymer strengthening. In this study, degree of refinement of palm kernel shells,
J. O. Agunsoye +3 more
doaj
Properties of Rice Husk Ash Concrete with Periwinkle Shell as Coarse Aggregates
This research is aimed at investigating the properties of concrete made from 20% Rice Husk Ash (RHA) and 80% ordinary Portland cement (OPC) using granite in one part and periwinkle shell (PS) in varying proportion in the other, as coarse aggregates.
A. Aboshio +2 more
doaj
This study evaluated the presence of 15 polychlorinated biphenyls (PCB) congeners in three aquatic faunal organisms; mudskipper (Periopthalmus barbarous), crab (Sesarma alberti) and periwinkle (Tympanotonus fuscatus) obtained ...
Obayagbona ON
doaj +1 more source
Irrigation return flow from nursery operations often contain nitrogen and phosphorus concentrations that exceed the nutrient discharge limits established by state or local entities, posing significant risks to human health and the environment. To address
Shital Poudyal +4 more
doaj +1 more source
Occurrence of in periwinkle in California
Citrus stubborn disease is a serious economic problem in California, in Southwestern United States, and in other arid citrus areas of the world. Knowledge of the disease has rapidly increased since 1969 when a mycoplasma-like organism was found by electron microscopy in thin sections of diseased leaves.
A Granett +4 more
openaire +1 more source

