Studies on the Identification Technology and Inheritance of Disease Resistance to Fusarium Wilt in Bitter Gourd

ACTA HORTICULTURAE SINICA ›› 2013, Vol. 40 ›› Issue (4): 685-.

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Studies on the Identification Technology and Inheritance of Disease Resistance to Fusarium Wilt in Bitter Gourd

ZHAO Xiu-Juan, TANG Xin, HU Kai-Lin

（1Guangdong Science and Tradition College of Vocation，Guangzhou 510430，China；2College of Horticulture，South
China Agricultural University，Guangzhou 510642，China）

Online:2013-04-25 Published:2013-04-25

Abstract

Abstract: The identification technology of resistance to Fusarium wilt in Momordica charantia was
investigated with inbred lines presenting different degree of field resistance. Then a total of 43 Momordica
charantia varieties（or inbred lines）from home and abroad were evaluated for resistance to Fusarium wilt.
Furthermore，a highly susceptible inbred line‘472113’and a highly resistant inbred line‘0417’were used
to study the inheritance of resistance to Fusarium wilt in Momordica charantia. The results indicated that
direct hydroponic inoculation with concentration of 4 × 106 spores per milliliter was most suitable for
resistance identification. And the existence of resistant resource is prevalent among the Momordica
charantia germplasm resources. The broad-sense heritability of Momordica charantia resistance to
Fusarium wilt is 90.78%. The resistance is controlled by single dominant nuclear gene without affecting
by cytoplasm.

Key words: bitter gourd, Fusarium oxysporum f. sp. momordicae Sun &, Huang, seedling inoculation, resistance inheritance

CLC Number:

S 642.5

ZHAO Xiu-Juan, TANG Xin, HU Kai-Lin. Studies on the Identification Technology and Inheritance of Disease Resistance to Fusarium Wilt in Bitter Gourd[J]. ACTA HORTICULTURAE SINICA, 2013, 40(4): 685-.

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Studies on the Identification Technology and Inheritance of Disease Resistance to Fusarium Wilt in Bitter Gourd

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