Özet:

This study was done in order to determine the effects of 2.4-D amino active substance herbicitin applied in different phenological periods of grain on the performance and performance criteria of grain. The trial was conducted in 2013 in the grain farm areas located in the land of the Middle Black Sea Transit Agricultural Research Institute and has been established in four rounds according to the trial pattern of random blocks. In the trial, 2.4-D amino herbicide was applied in the positive periods of grain browning, climbing, climbing and milk, and foreign herbicide and foreign untouched control parcels were created throughout the cultivation period. The highest yield is from the application of the brotherhood period of the grain with foreign untouched parsels (409.1 kg/day) throughout the season (396. 3 kg/day) was obtained, however, the lowest yield was obtained from the positive application of grain milk period (293.7 kg/day) with foreign herbal parsels throughout the season (251.6 kg/day). In the trial, the effect of 2.4-D amino herbicide applied in different periods of grain on the grain productivity criteria, the number of brotherhood, the length of the plant, the number of brotherhood, the weight of the seed, was statistically important. The effect of the weight of a thousand dances was unimportant. This study has found that the most effective results of the 2.4-D amino-effective herbicite applications applied during the brotherhood period from different periods of grain have been found.

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