Effect of hp-1 and hp-2 Gene on Nutritional Growth and Pigment Accumulation in Tomato

doi:10.7668/hbnxb.2008.06.004

Abstract

Abstract: In order to compare the characteristics of nutritional growth and pigment accumulation in different genetic background, nine tomato inbred lines containing pure hp-1 and hp-2 gene were used as experimental materials. The re- sults suggested that NIL (Liger nearly isogenic lines) contained consistent characteristics with hp mutant in photoperiod growth condtion; such as, they had shorter hypocotyls, elevated levels of anthocyanin in cotyledons, hypocotyls and calyces compared with control.Furthermore, all inbred lines containing hp gene had later flowering time(days) and shorter internode; further research on fruit pigment showed that chlorophyll and locopene content were significantly enhanced. But hp-1 and hp-2 gene had inconsistent expressivity in different genetic background.

Key words: hp-1, hp-2, Tomato, Nutritional growth, Pigment

CLC Number:

S641.201

MA Jin-zhu, JIN Feng-mei, WANG Jing-an, LIU Zhong-qi. Effect of hp-1 and hp-2 Gene on Nutritional Growth and Pigment Accumulation in Tomato[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(6): 15-19. doi: 10.7668/hbnxb.2008.06.004.

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