Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (1998) 71, 138-141

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A.E. Ismail (1998)
Influence of some hardwood barks as soil amendments on Rotylenchulus reniformis reproduction and growth response of sunflower
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz 71 (7), 138-141
Abstract: Four hardwood barks (HWB) i.e. Acacia arabica (AA), Ficus sycomorus (FS), Morus alba (MA) and Ziziphus spinachristi (ZS) were tried as soil amendments at 0.5, 1.0 and 1.5% rates w/w for control of Rotylenchulus reniformis and improvement of cv. Giza 1 sunflower growth under greenhouse conditions. All HWB with various concentrations significantly (P < 0.01) reduced numbers of larvae in soil, both females and eggmasses on roots, total final nematode population as well as the nematode build-up as compared to control. 1.5% rate of ZS, AA and MA barks were most effective in reducing numbers of larvae in soil, total final nematode population and the nematode build-up. Also, 1.5% rate of each of FS and AA barks were most effective in reducing numbers of females or eggmasses, respectively. On the other hand, the least reduction in the previous nematode stages and rate of build-up was observed with 0.5% dose of FS bark. Shoot weights were increased significantly with both of 1.0% and 1.5% doses of each of FS and ZS barks and only with 1.5% dose of MA bark. Both shoot lengths and root weights increased significantly with 1.5% dose of all HWB or with 1.0% dose of each of AA and ZS barks as compared to control. No significant increase in root lengths was observed. Generally, there were positive significant correlations between doses of HWB, each of the reductions in the previous nematode stages and increases in sunflower growth criteria.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Ahmed El-Sayed Ismail

Research topic(s) for pests/diseases/weeds:
control - general

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Rotylenchulus reniformis Sunflower (Helianthus annuus) Egypt
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