The Journal of Plant Physiology & Pathology (JPPP) promotes rigorous research that makes a significant contribution in advancing knowledge for Plant Physiology & Pathology. JPPP includes all major themes pertaining to plant diseases.
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Effect of Certain Plant Extracts to Control Purple Blotch Disease of Onion Plants (Allium cepa L.)
The present investigation aimed to isolate the causative agents of onion purple blotch disease and evaluate the efficacy of certain plant extracts against the pathogen in vitro and under greenhouse condition. Antifungal activity of some aqueous plant extracts (Azadirachta indica Cydonia oblonga Datura stramonium Eucalyptus globulus Foeniculum vulgare Ocimum basilicum Rosmarinus officinalis and Salix mucronata) was assayed in vitro by well diffusion technique.
Oxidative Stress Responsive Enzymes and Non-Enzymatic Components in Response to Excess Cadmium in Pigeon Pea (Cajanus cajan Mill) Cv. Upas
Heavy metal contamination of soils has markedly increased in the past two decades. The reduction in plant growth and crop production by excess heavy metals such as cadmium, cobalt, chromium, nickel and lead in contaminated soil is a worldwide agricultural problem. Hence Pigeon pea (Cajanus cajan Mill) cv. Upas a very important pulse crop has been taken as a test plant. Pigeon pea developed visual symptoms of Cd toxicity in response to increasing level and duration of metal supply.
Altered Growth, Photosynthetic Machinery and Induced Oxidative Stress in Spinach in Response to Arsenic Stress
Arsenic, a group A carcinogen is most often found in oxidized states arsenite [As(III)] and arsenate [As(V)]. Irrigation of soils with arsenic contaminated water significantly raises the arsenic levels in the soil, which severely affects growth and development of plants, and causes toxicity resulting in physiological and biochemical disorders. In the present study, a pot experiment was conducted to investigate the effect of arsenic (a toxic heavy metal) on growth of spinach(Spinacea oleracea).