نتایج جستجو برای: pigweed amaranthus retroflexus
تعداد نتایج: 2420 فیلتر نتایج به سال:
The phytotoxic and antimicrobial properties of olive mill wastes have been widely investigated and demonstrated over the past decade. However, their potential utilization as biodegradable pesticides against plant pathogens is still poorly understood. In this study, a series of laboratory bioassays was designed to test the inhibitory effects of sterile water extracts of two-phase olive mill wast...
a study was carried out to determine whether naturally-occurring weeds and other cultivated plants in tomato growing regions could act as symptomless reservoirs of infection to fusarium oxysporum f. sp. lycopersici. a numher of f. oxysporum isolates from weeds and oubergines were used in this investigation. a susceptible tomato cultivar was used for comparison. the plants were artificially ...
Nickel (Ni) is a heavy metal and soil pollutant but existence of small amount of it as a metallic part of urease enzyme in the plants is necessary. Remediation of spots contaminated with heavy metals is particularly challenging. Phytoremediation, the use of plants for environmental restoration, is a novel clean up technology. In this study, five levels of nickel [control (Ni0), Ni125, Ni250, Ni...
Assessment of weed root extracts for allelopathic activity against Orobanche and Phelipanche species
Broomrapes (Orobanche and Phelipanche species) are holoparasitic weeds that infect roots of crop hosts from Asteraceae, Brassicaceae, Apiaceae, Fabaceae, Solanaceae. The parasitic difficult to control selectively without damage once attached their roots. Identification natural compounds with herbicidal activity against pre-attached broomrape stages can provide alternatives. With the aim identif...
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