DOI
https://doi.org/10.47689/2181-1415-vol3-iss2-pp1-8Keywords
growth regulator , germination of tomato seeds , growth , development , durability , biological efficiency , productivityAbstract
In order to study the effectiveness of biostimulants in the process of growing tomatoes, the germination of tomatoes increased by 6.7-11.1% compared with the control when fertilizing the samples before sowing. Control-experimental increase in biometric indicators of fruits in the ripening phase in plant height 11.9 - 44% (maximum percentage - in "Novosil"), plant weight 28.4 - 52.7% (maximum percentage - in "Agrostimul") , 18.2 - 28.2% by the number of leaves (the largest percentage - in "Bion"), 59.4 - 86.4% in lateral larvae (the largest percentage - in "Bion", "Agrostimul", "Novosil") and 25-40% by fruit count (Bion has the highest percentage). The use of different levels of biostimulants affects the development of the main disease of tomatoes - Alternaria. In the 1st protocol for the use of the drug, the biological efficiency was 29.8 - 61.6%, and when harvested, these figures decreased by 6.2 - 10.7%. Biostimulator Bion was soaked before sowing seeds and sprayed twice on tomato plants, effectively stopping the development of the disease. A significant increase in the weight of tomatoes was observed on average by 8.1 ha in Agrostimul - 16.1 g in Bion compared to the control (77.3 g). The highest productivity of 32.9% was achieved in the variant with the use of the Bion stimulator.
The use of drugs had a positive effect on the quality of the crop - the number of diseased fruits decreased by 1.5 - 2.4 times.
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