Trails of soybean cultivars
1992
Schafferman, D. (Agriculture Research Organization, Beit Dagan (Israel))
Following the interest generated in Israel in growing Soya and the development of new procedures of biotechnology (for example, using a procedure of germination controlled by the use of enzymes) a series of trails of new varieties was begun which are adaptable to the Israeli climate. They can enrich the varieties of other field crops. For this purpose several varieties were introduced from USA, Canada, France and Australia. They contain characteristics of broad ripening periods. The introduced varieties were examined in an experimental plot of four replicates in random blocks at the Plant Introduction Department. During the growing season observations were carried out on phenological traits together with the composition of the yield of the various varieties. The results of the trails show that the varieties belonging to the maturity groups III, IV - V such as cv. Williams, Hido 90 and Union produced the best yields, i.e. 480-550 kg/dunam. By contrast, the soya varieties which belong to the higher maturity groups (I - II) only produced 230-240 kg/dunam. Another component checked was the yield produced by the different varieties in relation to the amount of irrigation. From the results it has been observed that the varieties which belong to the maturity groups II-III produced the highest yield per unit water, 1.15-1.20 kilogram per millicube water. The smallest yield was produced by the varieties which belong to the maturity groups I-III, with 0.80-0.85 kilogram kernels per millicube water
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