A Study on Biological Control of Tomato Rood knot Nematode by Using Sr18 Fungal Metabolites

doi:10.3321/j.issn:1000-7091.2002.01.024

Abstract

Abstract: The Sr18 fungal metalolites were used in controlling tomato root-knot nematodes(Meloidogyne.sp.)in the greenhouse.The results showed that the metabolites of Sr18 could increase plant height by 14.5%,which means that it did no harm on the tomato plant, and that, it could also reduce the number of second stage juvenil(J2)of tom ato rood knot nematodes by 68.2%.T he result of investigation at harvesting period showed that the control effect was significant and the tomato yield increased by 61.72%.These results indicated that Sr18 fungus could be a prospective strain to develop a new kind of biological control agent for nematodes.

Key words: Meloidogyne incognita, Tomato root-knot nematode disease, Metabolites of fungus, Biological control, Control effect

CLC Number:

S436.41.1

Sun Jianhua, Yu Keli, Chen Hong, Peng Deliang. A Study on Biological Control of Tomato Rood knot Nematode by Using Sr18 Fungal Metabolites[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(1): 119-123. doi: 10.3321/j.issn:1000-7091.2002.01.024.

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