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STUDY ON CHEMICAL COMPONENTS AND RESISTANCE MECHANISM TO PINE WOOD NEMATODE OF MASSON PINE PROVENANCE(II) ——Study on the components of neutral terpenoids and their differences among different resistant provenances of Pinus massoniana

Zhao Zhen

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Abstract

The contents of terpenoids (mainly sesquiterpenoids) and relationships between the contents and resis tance of the Pinus massoniana provenances that have high resistance (H), middle resistance (M) and low resis tance (L) were studied in the present paper. The resistance is the characteristics of the provenance in relation to the neutral terpenoid contents. The main result is that there are more longifolene and terpineol, but less trans caryophyllene and β selinene in the H provenance than the M and L provenances among the 35 detected components. The larger the difference is between the contents of longifolene and trans caryophyllene, the stronger the resistance of the masson pine is.

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What this paper is about

The contents of terpenoids (mainly sesquiterpenoids) and relationships between the contents and resis tance of the Pinus massoniana provenances that have high resistance (H), middle resistance (M) and low resis tance (L) were studied in the present paper. The resistance is the characteristics of the provenance in relation to the neutral terpenoid contents. The main result is that there are more longifolene and terpineol, but less trans caryophyllene and β selinene in the H provenance than the M and L provenances among the 35 detected components. The larger the difference is between the contents of longifolene and trans caryophyllene, the stronger the resistance of the masson pine is.

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Available abstract

The contents of terpenoids (mainly sesquiterpenoids) and relationships between the contents and resis tance of the Pinus massoniana provenances that have high resistance (H), middle resistance (M) and low resis tance (L) were studied in the present paper. The resistance is the characteristics of the provenance in relation to the neutral terpenoid contents. The main result is that there are more longifolene and terpineol, but less trans caryophyllene and β selinene in the H provenance than the M and L provenances among the 35 detected components. The larger the difference is between the contents of longifolene and trans caryophyllene, the stronger the resistance of the masson pine is.

Key concepts: Pinus massoniana, Terpenoid, Provenance, Chemistry, Botany, Pinus <genus>, Resistance (ecology), Biology

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STUDY ON CHEMICAL COMPONENTS AND RESISTANCE MECHANISM TO PINE WOOD NEMATODE OF MASSON PINE PROVENANCE(II) ——Study on the components of neutral terpenoids and their differences among different resistant provenances of Pinus massoniana — Research Paper | ScholarLens