BIO Web Conf.
Volume 21, 2020XI International Scientific and Practical Conference “Biological Plant Protection is the Basis of Agroecosystems Stabilization”
|Number of page(s)||4|
|Published online||22 June 2020|
Biological efficacy of agrochemical mikrometsen on sugar beet
1 Kuban State Agrarian University, Kalinina st., 13, Krasnodar, 350044, Russia
2 Arbuzov Institute of Organic and Physical Chemistry, Arbuzov st., 8, Kazan, 420088, Republic of Tatarstan, Russia
* Corresponding author (Автор-корреспондент): email@example.com
The test chemical Mikrometsen – bis (hydroxymethyl) phosphinic acid (mixture of salts) having high growth regulating and antistress property, in case of twice repeated spraying, reinforced growth of beet tops (number of leaves – 20,7-28,0, control – 17,9 pcs/plant; leaves area – 34,72-38,59 dm2 /plant; biomass of leaves – 188,39-248,32, control -161,74 g/plant) and formation of root crops (length – 29,4-32,3, control – 27,8 cm, diameter – 7,4-8,0, control – 6.9 cm, mass – 438.93-461.24, control – 417.26g). It was also established that with an increase in the consumption rate of the chemical, the absolute values of growth and mass indicators of tops and root crops enhanced. The most powerful leaf rosette and large root crops were formed in the option of treatment of sugar beet plants with the chemical Micrometsen twice (1-st in phase of 4-6 leaves, 2-nd in 20 days after the first) where the consumption rate was 10mg/ha (consumption of working solution – 200 l/ha). In this option, the maximum increase in the yield of root crops was obtained – 12.1%, yield under control – 365.9 centner/ha, sugar yield per hectar – 70.13 centner (control – 58.18 centner).
© The Authors, published by EDP Sciences, 2020
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