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1979•Canadian Journal of Plant ScienceRequires access

INFLUENCE OF PLOIDY LEVEL ON SEVERAL PLANT CHARACTERISTICS IN SOYBEANS

W. D. Beversdorf

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Abstract

A ploidy series including haploid, diploid, triploid, tetraploid and pentaploid plants were identified among mono-embryonic and polyembryonic progeny of male-sterile (ms1/ms1) soybeans (Glycine max (L.) Merrill). Ploidy level was positively correlated with guard cell length, number of chloroplasts per guard cell, leaflet width to length ratio and flower size; and negatively correlated with stomatal frequency and number of internodes. The influence of ploidy level was significant for all characteristics examined. All of these characteristics responded linearly with ploidy level, with coefficients of determination ranging from 0.54 to 0.94. Guard cell length and number of chloroplasts per guard cell appeared to be excellent indicators of ploidy level.

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What this paper is about

A ploidy series including haploid, diploid, triploid, tetraploid and pentaploid plants were identified among mono-embryonic and polyembryonic progeny of male-sterile (ms1/ms1) soybeans (Glycine max (L.) Merrill). Ploidy level was positively correlated with guard cell length, number of chloroplasts per guard cell, leaflet width to length ratio and flower size; and negatively correlated with stomatal frequency and number of internodes. The influence of ploidy level was significant for all characteristics examined. All of these characteristics responded linearly with ploidy level, with coefficients of determination ranging from 0.54 to 0.94. Guard cell length and number of chloroplasts per guard cell appeared to be excellent indicators of ploidy level.

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Available abstract

A ploidy series including haploid, diploid, triploid, tetraploid and pentaploid plants were identified among mono-embryonic and polyembryonic progeny of male-sterile (ms1/ms1) soybeans (Glycine max (L.) Merrill). Ploidy level was positively correlated with guard cell length, number of chloroplasts per guard cell, leaflet width to length ratio and flower size; and negatively correlated with stomatal frequency and number of internodes. The influence of ploidy level was significant for all characteristics examined. All of these characteristics responded linearly with ploidy level, with coefficients of determination ranging from 0.54 to 0.94. Guard cell length and number of chloroplasts per guard cell appeared to be excellent indicators of ploidy level.

Key concepts: Ploidy, Guard cell, Biology, Polyembryony, Botany, Plant stem, Chloroplast, Embryo

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INFLUENCE OF PLOIDY LEVEL ON SEVERAL PLANT CHARACTERISTICS IN SOYBEANS — Research Paper | ScholarLens