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Studies on Polyploid Induction of Tomato with Colchicine

Kai Li

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Abstract

Seeds and seedlings of Jubaojinguan and Maofen802 were treated with colchicines.The results indicated that the highest induction rate of Jubaojinguan and Maofen802 were 26.7%and 30% with optimum treatment combination of 0.4%/12h and treating the seeds,46.7% and 50% with optimum treatment combination of 0.03%/8h and treating the seedlings.The chromosome number of the mutated tomato(2n=4x=48) was twice that of the control.In addition,the leaf length,width and area were larger ahd the leaf index was smaller than those of the diploid plants.

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What this paper is about

Seeds and seedlings of Jubaojinguan and Maofen802 were treated with colchicines.The results indicated that the highest induction rate of Jubaojinguan and Maofen802 were 26.7%and 30% with optimum treatment combination of 0.4%/12h and treating the seeds,46.7% and 50% with optimum treatment combination of 0.03%/8h and treating the seedlings.The chromosome number of the mutated tomato(2n=4x=48) was twice that of the control.In addition,the leaf length,width and area were larger ahd the leaf index was smaller than those of the diploid plants.

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Available abstract

Seeds and seedlings of Jubaojinguan and Maofen802 were treated with colchicines.The results indicated that the highest induction rate of Jubaojinguan and Maofen802 were 26.7%and 30% with optimum treatment combination of 0.4%/12h and treating the seeds,46.7% and 50% with optimum treatment combination of 0.03%/8h and treating the seedlings.The chromosome number of the mutated tomato(2n=4x=48) was twice that of the control.In addition,the leaf length,width and area were larger ahd the leaf index was smaller than those of the diploid plants.

Key concepts: Colchicine, Polyploid, Ploidy, Chromosome number, Biology, Horticulture, Chromosome, Botany

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