Results 111 to 120 of about 5,073 (214)

A survey of nematodes associated with pyrethrum in Tasmania, Australia, and the susceptibility of pyrethrum cultivars to root-lesion nematode

open access: yes, 2009
In a survey of fields in northern Tasmania, Australia, with various cropping histories, root-lesion nematode (Pratylenchus spp.) was detected in soil from all 99 fields sampled before planting pyrethrum. Population densities were generally low, but seven
Stirling, GR (15518909)   +3 more
core  

Confirmation of ray blight disease of pyrethrum in Australia

open access: yes, 1998
Isolations from affected plant parts of pyrethrum exhibiting flower bud abortion and necrotic symptoms consistently yielded a Phoma sp., identified as the anamorph of Didymella ligulicola, the causal agent of ray blight of chrysanthemum. Pathogenicity of
Pethybridge, SJ (15483509)   +1 more
core  

Вміст деяких мікроелементів у ґрунті та рослинах роду Pyrethrum Zinn.

open access: yes, 2013
It was found that plant of Pyrethrum parthenium (L.) Smith. and Pyrethrum coccineum (Willd.) Worosch., which are growing at a sufficiently secured microelements (Zn, Cu, Mn, Co, Ni, Pb, Cd) gray forest soil of Kremenets’ region, were accumulated ...
Pyda, S.V.   +2 more
core  

Efficacy of one botanical and three synthetic insecticides against silverleaf whitefly, Bemisia tabaci (Hem.: Aleyrodidae) on cucumber plants in the field

open access: yesJournal of Crop Protection, 2014
The silverleaf whitefly, Bemisia tabaci (Hem.: Aleyrodidae), is a key pest of greenhouse crops. Nymphs and adults feed on plant sap and excrete honeydew, resulting in reduction of yield and quality. This pest has a high potential for developing resistant
Gholamreza Golmohammadi   +3 more
doaj  

The artificial drying of pyrethrum flowers

open access: yes, 1937
RESP ...
Jary, S. G.   +2 more
core  

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