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Impact of Low Temperature Treatments to Second Instar Larvae of Root-knot Nematode(Meloidogyne incognita)

Zhijie Chen

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Abstract

The impact of low temperature treatments(-10―0 ℃) to disease index and lethal time of second instar larvae of root-knot nematode(Meloidogyne incognita) was studied with indoor culture techniques.The result showed that larvae of M.incognita were all dead when treated at-9 ℃ for 24 hours.The harm of the nematode larvae increased gradually with increasing temperature,and M.incognita was all killed after 32 days with-1 ℃ treatment.The research would provide data support for the control methods of M.incognita in greenhouse of Shaanxi Province.

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What this paper is about

The impact of low temperature treatments(-10―0 ℃) to disease index and lethal time of second instar larvae of root-knot nematode(Meloidogyne incognita) was studied with indoor culture techniques.The result showed that larvae of M.incognita were all dead when treated at-9 ℃ for 24 hours.The harm of the nematode larvae increased gradually with increasing temperature,and M.incognita was all killed after 32 days with-1 ℃ treatment.The research would provide data support for the control methods of M.incognita in greenhouse of Shaanxi Province.

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Available abstract

The impact of low temperature treatments(-10―0 ℃) to disease index and lethal time of second instar larvae of root-knot nematode(Meloidogyne incognita) was studied with indoor culture techniques.The result showed that larvae of M.incognita were all dead when treated at-9 ℃ for 24 hours.The harm of the nematode larvae increased gradually with increasing temperature,and M.incognita was all killed after 32 days with-1 ℃ treatment.The research would provide data support for the control methods of M.incognita in greenhouse of Shaanxi Province.

Key concepts: Meloidogyne incognita, Terra incognita, Larva, Nematode, Instar, Root-knot nematode, Biology, Horticulture

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