Results 61 to 70 of about 2,831 (175)

Organic N-fertilizer, rhizobacterial inoculation and fungal compost improve nutrient uptake, plant growth and the levels of vindoline, ajmalicine, vinblastine, catharanthine and total alkaloids in Catharanthus roseus L.

open access: yesFolia Horticulturae, 2018
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

open access: yesPhytopathologia Mediterranea, 2018
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

open access: yesJournal of Applied Sciences and Environmental Management, 2019
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

Effect of Periwinkle Extract (Catharanthus roseus) on Caspase-3 Levels and Renal Interleukin-6 Levels on Cadmium Poisoning

open access: yesJurnal Teknologi Laboratorium
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

open access: yesCalifornia Agriculture, 1976
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  

Study of Breakage Tendencies of Palm Kernel, Coconut and Periwinkle Shells using Ball-Milling Process

open access: yesNigerian Journal of Technological Development, 2018
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

open access: yesNigerian Journal of Technological Development, 2018
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  

Bioaccumulatedpolychlorinated biphenyls (PCBs) levels in three aquatic fauna specimens obtained from a continually perturbed fresh water mangrove swamp location in Southern Nigeria

open access: yesJournal of Agriculture, Food and Environment
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

Evaluating Pine Bark, Coconut Coir, Rice Husk, and Zeolite as Bioreactors Substrates for Nutrient Removal and Their Reuse as Plant Growth Media

open access: yesHortTechnology
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

open access: yesCalifornia Agriculture, 1976
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

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