Evaluate of some varieties of alfalfa for forage yield and its components under the New Valley conditions

Authors:
W. A. Hamd Alla, B. R. Bakheit, A. Abo- Elwafa, M. A. El-Nahrawy

Volume 19, Issue 4;
Pages: 413-418;
ISSN: 2069-0053 (print) (former ISSN: 1453-1399), Agroprint;
ISSN (online): 2068-9551
Abstract:
The present study was carried out to evaluate six varieties of alfalfa for forage yield and yield components during two successive growing seasons under the conditions of the New Valley arid. The results obtained could be summarized as follows: It is clear result that significant differences were found among varieties for studied traits such as plant height, number of tillers/m2, leaf/plant ratio, seasonal fresh and dry forage yield in both seasons. The general mean of the studied traits was higher in second year than the first one. Moreover, the combined analysis showed highly significant differences between the two years, varieties and year x var. interaction for traits studied. The great variation was recorded with the obtained values of P.C.V. and G.C.V. for studied traits except leaf/plant ratio and interpreted the significant differences and means possessed with studied genotypes. The all values of correlation coefficient were highly significant, positive and recorded more than 95%. Strongly positive direct and indirect effects were reported for number of tillers/m2 on seasonal fresh forage yield/plant. This direct effect was 0.9702 and the indirect effects through plant height and leaf/plant ratio were 0.9429 and 0.9446, respectively. So, this trait revealed to be important for selection to forage yield in Alfalfa.
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