[Rate of influence of anthracnosis on yellow lupine productivity]
2008
Vitko, G.I. | Taranukho, G.I. | Ravkov, E.V., Belarus State Academy of Agriculture, Gorki (Belarus)
The results of research into 19 samples of yellow lupine are shown. The examined varieties and variety samples according to anthracnosis infection rate during vegetation period and in development phases are characterized. Injuriousness on the average has made 74,2%. The variety Rodnjanskij is the most steadiest to anthracnosis infection. Only 10% of plants were attacked in the end of vegetation. The influence of the disease on plant productivity and elements of crop structure are studied. The variety Rodnjanskij had the greatest productivity (24,4 c/ha), and the varieties BSHA 556 and Mikhas had the lowest productivity - less than 1 c/ha. The yield losses, actual and potential productivity of samples, as well as realization of positive traits of the studied varieties and variety samples are calculated. The least general losses of crop are noted at the variety Rodnjanskij, Pingvin, BSHA 556 and N141 (10,75-18,47 c/ha). At samples Mif х Orel 542, Motiv 369 х BSHA 382, BSHA 203, BSHA 355, BSHA 555 and BSHA 571 potential productivity has made 41,98-71,37 c/ha, but percent of realisation of potential possibilities - 18,7-24,1%, and at Rodnjanskij - 69,4%
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