The effect of growth retardant (Bercema CCC), cereal components (wheat vs. tríncale), legume components (peas vs. field peas vs. vetch) and their percentage (0 vs. 15 vs. 30) in cereal-grain mixtures on their yield and its structure were studied in the years 1990-1992. It was found that the botanical composition of the mixtures had no effect on their yield nor on the yield of cereals. However, the yield of legume plants was significantly affected. The legume plants grown with triticale gave 15% higher yields as compared with those grown with wheat. The yield of mixtures was determined by the percentage of a legume component: the higher percentage of a legume plant, the lower yield of a mixture. Bercema CCC shortened cereal internods, on average, by 14.6 cm. The effect of the retardant was most apparent when applied on cerclas grown as monocultures. This effect was least pronounced when the retardant was applied on wheat grown with legume components contributing 30% to a cereal-legume mixture.
PL
W badaniach przeprowadzonych w latach 1990-1992 stwierdzono, że skład gatunkowy mieszanek nie miał wpływu na łączny plon nasion i ziarna mieszanek, ani też na plony komponentów zbożowych. Natomiast różnicował istotnie plony nasion roślin strączkowych. Plony mieszanek były zależne od udziału w nich roślin strączkowych, im wyższy byt ich udział, tym plony były niższe. Retardant wzrostu Bercerma CCC najsilniej skracał źdźbła zbóż w siewie czystym, a najsłabiej rośliny pszenicy przy 30% udziale roślin strączkowych.
Both growth retardants, Bercema CCC and Flordimex T, increased yields of winter triticale grain. Flordimex T was more effective and incresed the yield by 15%. Both retardants shortened hight of stems and individual internods of winter triticale plants. Also, the retardants affected significantly yields of winter vetch seeds and its density per area unit. Fiordimex T nearly doubled yields of winter vetch and its density per area unit.
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