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Comparing analysis of POD activity and endogenous phytohormone contents in thermo-sensitivity male-sterile flax

Tiang Cai-ping

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Abstract

Thermo-sensitivity male-sterile flax 1S and its normal variety were chosen as experimental material.The activity of POD and the content of IAA,ABA and GA3 were determined in leaves and anthers at different stages.The results showed that a higher of POD activity and ABA content,and a lower content of IAA and GA3 were found in leaves and anthers of male-sterile line.In anthers development stages,the difference happenned mainly in the main pollen abortion stage(monokaryophase).It is suggested that the activity of POD and the content of IAA,ABA and GA3 may be related with the occurrence of male-sterile flax.

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What this paper is about

Thermo-sensitivity male-sterile flax 1S and its normal variety were chosen as experimental material.The activity of POD and the content of IAA,ABA and GA3 were determined in leaves and anthers at different stages.The results showed that a higher of POD activity and ABA content,and a lower content of IAA and GA3 were found in leaves and anthers of male-sterile line.In anthers development stages,the difference happenned mainly in the main pollen abortion stage(monokaryophase).It is suggested that the activity of POD and the content of IAA,ABA and GA3 may be related with the occurrence of male-sterile flax.

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Available abstract

Thermo-sensitivity male-sterile flax 1S and its normal variety were chosen as experimental material.The activity of POD and the content of IAA,ABA and GA3 were determined in leaves and anthers at different stages.The results showed that a higher of POD activity and ABA content,and a lower content of IAA and GA3 were found in leaves and anthers of male-sterile line.In anthers development stages,the difference happenned mainly in the main pollen abortion stage(monokaryophase).It is suggested that the activity of POD and the content of IAA,ABA and GA3 may be related with the occurrence of male-sterile flax.

Key concepts: Point of delivery, Stamen, Pollen, Horticulture, Biology, Botany

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