The effect of succinic acid on the productivity of Lactuca sativa L. in artificial agroecosystems
Laen...
Kuupäev
2021
Kättesaadav alates
Autorid
Knyazeva, I.V.
Vershinina, O.V.
Gudimo, V.V.
Grishin, A.A.
Dorokhov, A.S.
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Abstrakt
The research of the effect of the biostimulant on the growth and development of plants
of the ‘Robin’ lettuce variety was carried out in 2019–2020 in the department of closed artificial
agroecosystems for crop production on the basis of the Federal State Budgetary Scientific
Institution «Federal Scientific Agroengineering Center VIM», Moscow (VIM, Russia). Succinic
acid was used at the stage of inoculation of seed and with constant drip irrigation of plants
throughout the growing period. Lettuce plants were grown using a low-volume technology in a
climatic chamber produced by VIM (Russia). According to the studies carried out, inoculation of
seeds stimulates the development of plants at the initial stages, reducing the period from sowing
to germination and increasing the rate of plant growth. As the lettuce plants grew, the leaf surface
area increased from 221.0 to 1511.9 cm² with the addition of succinic acid to the hydroponic
nutrient solution. The use of succinic acid under controlled growing conditions of ‘Robin’ lettuce
plants allowed to increase the performance of the leaf apparatus in relation to the control. It was
experimentally established that productivity directly depended on the value of photosynthetic
potential and net productivity of photosynthesis, which is confirmed by a strong degree of
dependence with a correlation coefficient of 0.98 and 0.77, respectively. Seed treatment and
adding succinic acid to the hydroponic solution increases the accumulation of dry matter in lettuce
plants. With this method of using succinic acid, significant differences in the accumulation of dry
mass of plants were established. The share of the effect of the factor of inoculation of seeds with
succinic acid was 17.5%, the addition of hydroponics to the nutrient solution was 50.1%. The use
of succinic acid increases the accumulation of plant biomass, increases the total leaf surface area,
and also contributes to an increase in the parameters of photosynthetic activity of the leaf
apparatus of the ‘Robin’ lettuce plants under controlled conditions of the climatic chamber.
Kirjeldus
Received: March 7th, 2021 ; Accepted: May 10th, 2021 ; Published: May 19th, 2021 ; Correspondence: knyazewa.inna@yandex.ru
Märksõnad
salad, biostimulant, succinic acid, climatic chamber, articles