The inheritance of flowering time was studied in the short-day soybean, Glycine max (L.) Merr., under long-day conditions in the greenhouse using natural day length extended to 20 hours with cool-white fluorescent light. A single, major gene with two alleles was found to control the flowering response. The dominant allele which gave a fluorescent-sensitive response of delayed flowering also resulted in later field maturity whereas the recessive allele which gave an insensitive response resulted in earlier maturity. The maturity symbols E3 and e3 are proposed for these alleles. Isolines have been developed.
Nine light hilum soybean (Glycine ma (L.) Merr.) varieties were used to study the characteristics of soybeans and soymilk that affect the yield and quality of tofu coagulated with calcium sulfate. The yield of tofu was not affected by the size of soybeans. Soybean varieties high in protein, fat and phosphorus contents produce tofu with higher protein, fat and phosphorus contents. Two models for predicting the yield of tofu were proposed. According to model one, soymilk with higher pH and total solids gives a higher yield of tofu. According to model two, soybeans high in protein and ash and low in phosphorus give a higher yield of tofu.
de la variation, alors qu'elle en repr6sentait 817o dans une s6lection de g6notypes poss6dant divers gdnes mutants de la chlorophylle. Aprbs ce calcul des donn6es des deux essais en regard du cultivar t6moin Altona, 1'6quation quadratique entre Pa et la teneur en chlorophytlb a rendu compte d'environ 907o de la variation. Dans I'essai des cultivars, on n'a constat6 aucune diff6rence significative entre les lign6es lorsque le taux photosynth6tique 6tait exprim6 par unit6 de chlorophylle (P"). Dans l'essai des mutants, on a observ6 des diff6rences significatives du P", les valeurs plus 6lev6es 6tant associ6es aux teneurs plus faibles en chlorophylle; la r6gression lin6aire a repr6sent6 457o de la variation. La transformation des donn6es provenant des deux exp6riences en regard du cultivar Altona a permis d'ajuster une ligne de r6gression commune (quadratique) qui a compt6 pour 637o de la variation. Tout porte d croire qu'un premier tri de g6n6rations, dans le cadre d'un programme de s6lection pour le taux photosynth6tique, pourrait se faire par la d6termination de la teneur en chlorophylle.
Nine light hilum soybean [Glycine mux (L.) Merr] cultivars were used to study characteristics that affect yield and quality of tofu (soybean curd) coagulated with glucono-delta-lactone (GDL). Pressed and packed (nonpressed) curds were examined. Yield of tofu was not affected by size of beans. Protein and total solids in soymilk increased when protein and moisture increased in soybeans. Yield of pressed GDL tofu increased with protein content of soybeans (or soymilk) plus decreased calcium content. Fracturability of pressed GDL tofu increased with levels of phosphorus. Hardness of packed tofu increased with protein content in soymilk. Yield of pressed GDL tofu was 20% higher than CaS04 tofu.
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