Reliable protection of lentils against weeds

  • V. Riznyk Institute of Bioenergy Crops and Sugar Beet of NAAS, 25, Klinichna str., Kyiv, Ukraine, 03110
Keywords: lentils, weeds, herbicides, yield


Goal. To identify the features of the infestation of crops of lentils and improve on this basis, the elements of chemical protection from adverse impact of weeds.

Methods. Field experiments were laid out in 2016—2019 according to the scheme: 1. Clogged control. 2. “Clean” control. 3. Gesagard 500 WF + Panther 4%, K. E. (3 l/ ha + 1 l/ ha). 4. Zenkor 70 WG + Targa Super, k.e. (0.6 l/ ha + 1.0 l/ ha). 5. Stomp 330, k.e. + FUSILADE Forte 150 EC, k.e. (3.0 l/ ha + 0.7 l/ ha).

Results. The contamination of crops of lentils in the years of research had mixed. As a result of pre-release areas from the presence of perennial plants (couch grass, convolvulus arvensis) weeds, mostly introduced annual grasses and dicotyledonous species. The most widespread in crops were plants of foxtail glaucous — 19.5 pieces/ m2 (22.5% in the structure of impurity), Echinochloa ordinary and 17.3 (19.9%), amaranth thrown back to 10.7 (12.3%), nightshade black — 6,8 pieces/ m2 (7.8%). In General, the time of counts (end of III decade of may) the number of weeds was 86.7 pieces/ m2. Use for protection of lentil combinations of herbicides of soil action of Gezagard 500 FW, k.s. (3.0 l/ ha) and graminicide Panther, 4% k.e. (1.0 l/ ha) reduced the ability of those present in the crops of weeds to form their mass. In average per years of research, the mass of weeds in crops of version 3 testing amounted to a total of 388 g/ m2 or 13.6% of the weedy control. Herbicides provided the reduction of the mass of weeds in 86.4%.

Conclusions. In terms of the use of herbicides of Gezagard 500 FW, k.s. (3.0 l/ ha) + Panther, 4% k.e. (1.0 l/ ha) received an average of 1.49 t/ ha of seeds, or 83.7% of the maximum in the testing of the level of harvest. Much more effective was the use Zenkor 70 WG, v.g. (0.6 l/ ha) Targa Super 5% k.e. (1.0 l/ ha) and stomp 330, k.e. (3.0 l/ ha) + FUSILADE Forte 15% k.e. (0.7 l/ ha), which provided the formation of 1.61 and 1.56 t/ ha of seeds, 90.4 and 87.6% of the “clean” control, respectively.


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How to Cite
Riznyk , V. (2020). Reliable protection of lentils against weeds. Quarantine and Plant Protection, (2-3), 53-57.