The creation of tetraploid beets
SummaryIn recent years trial fields were laid out with tetraploid families of the sugar beet varieties SX and SY, the fodder sugar beet varieties VA and VB and the fodder beet varieties VC (high content) and VD (low content).It appeared that the tetraploid beets are morphologically distinct from the diploid commercial varieties in leaf form, leaf development, form of the beet, tendency to bolt, size of the clusters and the number of seedlings per cluster.The beets of all the plots are washed, weighed and measured for dry matter, sugar and crude protein content and seed for stecklings is sown on a separate trial field.From the results it appears that there is a variation in the above-mentioned contents so that it seems possible to improve the material by selection. This also holds for the dry matter production which agrees with that of diploid commercial varieties.The investigations are being continued.
The showroom of the Institute and the Foundation for Agricultural Plant Breeding at Wageningen in 1960
The breeding research of the Institute and the Foundation for Agricultural Plant Breeding has been pictured on plates which are hung on show in a temporary showroom in the months of May, June and July. For that purpose the threshing floor of the Institute is fitted up as a reception room during these months. New plates are added every year: with small costs and without too much trouble an attractive show is soon made.The writer gives a description of this exhibition in 1960, together with a survey of the working programmes of the institutes.In the references a number of articles are mentioned describing the work of the two institutes.SamenvattingIn de maanden mei, juni en juli wordt in een tijdelijke demonstratiezaal een overzicht gegeven van het veredelingsonderzoek van Instituut en Stichting voor Plantenveredeling. Daartoe wordt de dorsvloer met eenvoudige middelen tot een ontvangstzaal ingericht.Telkenjare worden enige nieuwe wandplaten toegevoegd; daarbij wordt gestreefd naar een standaard formaat. Met weinig tijd, weinig geld en weinig moeite komt een aantrekkelijk geheel tot stand.Schrijver geeft een beschrijving van de tentoonstelling in 1960, terwijl een schematisch overzicht van de werkprogramma's is toegevoegd. In de literatuurlijst zijn in hoofdzaak artikelen genoemd, waarin (in een voor het buitenland toegankelijke taal) het veredelingsonderzoek van beide instellingen is gepubliceerd.
Studies on the composition, quality and processing of triticale. Part II. Mineral composition of grain and flour.
Mineral composition of grain and flour in 14 promising triticale strains from India are reported. The mean values for whole grain, i.e. Ca (0.47 mg/g), P (2.70 mg/g), K 4.60 mg/g, Na (352 micrograms/g), Zn (41.6 micrograms/g), Cu (7.0 micrograms/g), Fe (73.4 micrograms/g) and Mn (33.6 micrograms/g) were obtained as compared to those of flour, i.e. Ca (0.27 mg/g), P (0.97 mg/g), K (1.64 mg/g), Na (231 micrograms/g), Zn (26 micrograms/g), Cu (4.0 micrograms/g) and Mn (10.5 micrograms/g), respectively. These values were found to be considerably higher than those of wheat. Highly significant positive correlations of ash with sodium and zinc in whole grain were observed. In the case of triticale flour, highly significant positive correlations of ash with manganese, phosphorus and potassium were obtained.