Optimizing application frequency of diluted (3%) fermentedCucumis africanusfruit in tomato production and nematode management

Autor:	Osvaldo Pelinganga, Maboko Samuel Mphosi, Bombiti Nzanza, Phatu W. Mashela
Rok vydání:	2013
Předmět:	biology Inoculation food and beverages Soil Science Low-flow irrigation systems Drip irrigation biology.organism_classification Horticulture Nematode Agronomy Meloidogyne incognita Cultivar Solanum Agronomy and Crop Science Terra incognita
Zdroj:	Acta Agriculturae Scandinavica, Section B - Soil & Plant Science. 63:278-282
ISSN:	1651-1913 0906-4710
DOI:	10.1080/09064710.2012.742559
Popis:	A microplot experiment was conducted to determine application interval of fermented crude extracts of wild watermelon (Cucumis africanus) fruit for optimum growth of tomato (Solanum lycopersicum) plants and suppression of the southern root-knot (Meloidogyne incognita) nematode. Four-week-old tomato cultivar ‘Floradade’ seedlings were each inoculated with 5000 second-stage juveniles of M. incognita race 2 with 3% dilution of fermented crude extracts applied through drip irrigation at 1, 2, 3 and 4 times per 30-day month. At 56 days after the treatment, plant variables and increasing application frequencies had quadratic relationships, with the model explaining 63–99% total treatment variation in variables. Mean integrated optimum application frequency was 2.4 weeks, which translated to an optimum 17-day application interval. At this interval, final nematode population densities were low. In conclusion, at 3% dilution fermented crude extracts from C. africanus fruit could be applied at 17-day inter...
Databáze:	OpenAIRE
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