[About of influence of herbicides on contamination of seed plantings of carrots]
2008
Vyrko, A.G., National Academy of Sciences. Scientific and Practical Center for Potato, Vegetable and Fruit Growing (Belarus). Institute for Vegetable Growing
The analysis of data on productivity of carrot seeds has shown, that maintenance of seed plantings of carrots in a pure condition from weeds leads to increase of seed productivity. The weight of 1000 seeds at use of herbicides was up to standard of a variant without application of herbicides and made 1,3-1,4. The greatest seed germination was observed at a dose of gezagard 3 l/ha and rejser 2 l/ha. The increase of dose of rejser has led to decrease of germination of carrot seeds that can be connected with rigid action of the preparation. For maintenance of seed plantings of carrots in a pure condition from weeds before seed harvesting it is necessary to spend processing by herbicides twice: the first in 2-3 days after disembarkation of thr parent root crops, the second - till closing of lines at height of seed plants 45-55 cm. The most effective influence on decrease in number and weight of weeds on plantings of carrot seed plants have rendered rejser (2,5-3,0 l/ha) and Gezard (2,5-3 l/ha). The greatest productivity is noted at entering of gezard in a dose of 2 l/ha (the increase has made 59,3%)
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