Evaluation of productivity at the leaf level of juvenile poplars

Евлаков, Петр; Tsarev, Anatoly; Tsareva, Raisa; Rzhevsky, S.G.; Zapletin, V. Yu

doi:10.1088/1755-1315/226/1/012018

Cited by 1 publication

(1 citation statement)

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“…To determine the dry biomass of the aboveground (leaves and stems) and underground (roots) parts of plants, we used the electronic scales "Ohaus PA2102C" (USA). Specific leaf weight (SLW), which characterizes the ratio of leaf dry weight to its area, was determined by weighing each of 10 leaves of the same age separately [17]. To obtain an absolutely dry weight, the leaves, stems and roots were dried in a drying cabinet of the brand "Binder" (Germany) at a temperature of 100 °C.…”

Section: Methodsmentioning

confidence: 99%

Effect of various LED lighting on the growth and development of garden strawberry Fragariaxananassa Duch. and groundcover rose Rosa hybrida L. at greenhouse conditions

Евлаков

Bichkov

Grodetskaya

et al. 2021

IOP Conf. Ser.: Earth Environ. Sci.

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The purpose of this study was to determine the role of various LED (light-emitting diode) light units in ensuring high-quality growth and development of plants, as well as to obtain high-quality seedlings of strawberries and ground cover rose. We studied the physiological reactions of garden strawberry (“Melga” variety) and ground cover rose (“Fairy” variety) plants under controlled conditions and obtained the data on the effect of light quality on plant biological productivity, dynamics of growth processes, photosynthesis rate and transpiration. Regardless of the type of studied crops, the tallest plants were obtained under conditions of supplementary lighting by the lamp with blue/green/red ratio in the spectrum 17/29/54 % (option 1) and the lamp with ratio 18/45/37 % (option 2). At the same time, the dry weight of leaves and roots, as well as the biological productivity of strawberry plants in experimental options 1 and 2 exceeded by 41% than in the control plants (under high pressure sodium lamp). For garden strawberry we recommend the LED in the option 2, for the ground cover rose optimal is the option 1.

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Section: Methodsmentioning

confidence: 99%