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首页> 外文期刊>Agricultural sciences in China >Correlation between endogenous hormones of stem apices and fruit locule numbers in tomatoes during floral bud differentiation stages.
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Correlation between endogenous hormones of stem apices and fruit locule numbers in tomatoes during floral bud differentiation stages.

机译：Correlation between endogenous hormones of stem apices and fruit locule numbers in tomatoes during floral bud differentiation stages.

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The study was designed to elucidate the changes in the endogenous hormones of stem apices in tomatoes and the function of correlative endogenous hormones in tomatoes during floral bud differentiation stages. The tomato parents were crossed and reverse-crossed using two inbred lines of multi-locule (MLK1) and few-locule (FL1) with significant difference, and the relationship between endogenous hormones GA3, IAA, and ABA levels and ovary locule numbers of parents and progeny during floral bud differentiation initial stage, floral bud differentiation stage, sepal petal formation stage, carpel formation initial stage, and ovary locule complete formation stage was studied. GA3 levels in P1, P2, F1, and RF1 were consistent with locule numbers, and IAA and ABA levels were reverse to ovary locule numbers during the key stage. The correlation showed that, during sepal petal formation stage, the ovary locule numbers were positively correlated with GA3, GA3/IAA, and GA3/ABA, and were negatively correlated with IAA and ABA. It was speculated that increasing GA3 levels or decreasing IAA and ABA levels of stem apices in tomato might be able to enhance ovary locule numbers. The sepal petal formation stage was an important stage which regulated endogenous hormones in the ovary locule formation.

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