Efficiency of influence of foliar treatment by plant growth regulators on the parameters of miscanthus biomass

Katelevsky, V. M.

doi:10.32819/020003

Cited by 5 publications

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“…Збільшення врожайності біомаси в разі застосування високих доз мінеральних добрив неодноразово було висвітлено в наукових працях [7,8]. Деякі дослідження показують, що рослини міскантусу позитивно реагують на альтернативні джерела органічних добрив, мікробні препарати та рідкі комплексні добрива [9,10].…”

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The effect of nitrogen fertilization and foliar application of fertilizers on yield and energy efficiency of giant miscanthus plantations

Prysiazhniuk¹,

Penkova²

2022

Наукові праці ІБКіЦБ

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Purpose. To improve the technology of caring for giant miscanthus plantations and establish the features of its productivity formation with the use of different types of fertilizers, starting from the second year of crop vegetation. Methods. The research was carried out in the years 2020–2021 in the Bila Tserkva Experimental and Breeding Station of the Institute of Bioenergy Crops and Sugar Beet of the National Academy of Agrarian Sciences of Ukraine, which is located in the zone of unstable moisture of the Right Bank Forest Steppe of Ukraine. The design of the experiment included application of mineral fertilizers [ammonium nitrate + ammonium sulfate (N24 + S6 kg/ha a.i.), ammonium nitrate (N24 kg/ha a.i.)] in a row zone in spring, foliar application of humates (Vermisol, 8.0 l/ha, Humifield BP-18, 0.4 l/ha) and complex fertilizer with amino acids (Quantum Aminomax, 0.5 l/ha). Mineral fertilizers were applied before the emergence of miscanthus sprouts; foliar application of fertilizers was carried out in the 5-leaf stage and the second time after two weeks. Results. Giant miscanthus plants in second year of vegetation formed from 18 to 37 shoots with an average weight of 76.3 to 111.0 g, with the maximum weight of one plant reaching 4091 g. In the next year of research, the number of stems per plant and their average weight increased by 1.5–2 times, and the maximum weight of one plant was 7016 g. Biomass yield of giant miscanthus in the third year of vegetation was 31.0–74.6 t/ha, the estimated yield of solid biofuel was 19.2–41.6 t/ha and energy 315.5–683.2 GJ/ha. Conclusions. Application of mineral fertilizers (ammonium nitrate + ammonium sulfate, ammonium nitrate) in spring contributed to significant increase in the indicators of raw biomass yield, solid biofuel output, and energy yield per hectare. Foliar application of Humifield BP-18 has a significant positive effect on the productivity of giant miscanthus. The best indicators of crop productivity were obtained in treatments combining spring fertilization with ammonium nitrate and ammonium sulfate (N24 + S6) followed by two-time foliar application of humates (Vermisol, 8.0 l/ha, Humifield BP-18, 0.4 l/ha) and complex fertilizer with amino acids Quantum Aminomax, 0.5 l/ha.

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Section: вступunclassified

The effect of nitrogen fertilization and foliar application of fertilizers on yield and energy efficiency of giant miscanthus plantations

Prysiazhniuk¹,

Penkova²

2022

Наукові праці ІБКіЦБ

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“…Технологічне вдосконалення фітотехнологій ґрунтується на застосуванні різних агротехнічних, агрохімічних та біотехнологічних заходів (Verma et al, 2016;Alasmary et al, 2020;). При вирощуванні міскантусу на чорноземі типовому найвищі показники біопродуктивності рослин були отримані за комбінованої обробки рістстимулювальними біопрепаратами Квантум Голд та Вимпел-К: після проведення дворазової позакореневої обробки та обприскуванням під час вегетації (Katelevsky, 2020).…”

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Optimization of the Micromycete Cultivation Process � Basics of Growth Regulators and Biotesting Their Growth- Stimulating Activity Concerning to Miscanthus Giganteus

Medkov¹,

Stefanovska²,

Boroday³

2021

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Miscanthus × giganteus Greef et Deu. is a perennial herbaceous introduced energy hybrid plant whose biomass is used after processing to a solid or liquid biofuel. The plant is characterized by a relatively low level of absorption of pollutants from the soil by vegetative organs, as its well-developed root system acts as a buffer, helps to stabilize pollutants in the soil and prevents their further spread. Sustainable Miscanthus × giganteus Greef et Deu.(M. × giganteus) growth on contaminated with heavy metals and other хenobiotiсs soil depends on its adaptive performance, including establishment rate, resistance to stressors. The one way to address this issue is the use of plant growth regulators (PGRs), namely Stimpo and Regoplant with micromycete Cylindrocarpon obtusiusculum (Sacc.) U. Braun, whose metabolites are the active substance. The objective of this laboratory study was to evaluate possibility to cultivate Cylindrocarpon obtusiusculum on Chapek’s medium with replacing of hydrocarbon component glucose to chipper one – lactose or starch for further production of Stimpo and Regoplant and testing its growth stimulating activity on M. giganteus. The results showed that the most suitable for the growth and accumulation of biomass of C. obtusiusculum was the Chapek media, which includes starch. The mean growth rate of C. obtusiusculum was in 2.3-fold higher on 8th day of cultivation compared to growth on glucose medium and in 3.3-fold higher than growth on lactose medium. It was found that on the 6th day of growth the concentration of biomass accumulaed by the strain was higher on the medium with a single carbon source – starch with value of2.47 g/l, respectively. On the Chapek medium with glucose and lactose, the biomass concentration was twice as low. Obtained results indicated the possibility of replacing glucose – a valuable carbon sources of Chapek’s medium with starch as a cheaper ingredient for PGRs production. Cultivation of C. obtusiusculum with a change in carbohydrate source did not affect the morphological characteristics and development of spore-bearing cultures. On the medium with starch the growth acceleration and formation of mycelial fungal metabolites was observed, which were used further to obtain of the culture fluid and PGRs Stimpo and Regoplant. Their growth – sti- mulating activity against giant miscanthus was revealed, namely the positive influence on the indicators of Miscanthus establishment and growth rate. The statistical analysis conformed that source of сarbon and type of PGRs effect the length of roots and aerial part of Miscanthus sprouts(Radj2 = 0.91 and Radj2 = 0.87 respectively).

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Formation of productivity of giant miscanthus (Miscanthus×giganteus) under symbiosis of its root system with fungi and bacteria

Dymytrov,

Sabluk,

Humentyk

2023

Rosl. g̀runtozn.

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The relevance of the subject under study is to increase the yield of dry biomass of giant miscanthus plants by using fungi and bacteria in its cultivation technology. The purpose of this study was to determine the effect of mycorrhization of the root system of this crop by fungi and symbiosis with bacteria on the growth and development of plants and the formation of their productivity. Field studies were conducted at the Veselopodilska Experimental Breeding Station of the Institute of Bioenergy Crops and Sugar Beet of the National Academy of Agrarian Sciences of Ukraine (Poltava region) during 2017-2019 on saline and slightly saline black soil. The significance of the deviation between the experimental variants was determined by the P-level calculated according to the Student’s test. The use of symbiosis of fungi and bacteria with the root system of giant miscanthus contributed to positive results in improving plant growth, development and dry biomass yield. The use of biological products Mycofriend, Mikovital, and Florobacillin (fungi Glomus VS. and Trichoderma harzianum Rifa, Tuber melanosporum Vittad and bacteria Bacillus subtilis Cohn) significantly increased the area of the leaf apparatus (by 6.9-19.0%), the weight of the root system (by 4.1-16.3%), increased plant height (by 3.7-13.6%), and the number of stems (by 5.7-15.1%) compared to the control. At the same time, there was an improvement in the soil’s moisture-holding capacity by 10.3-23.7% and its structural and aggregate state – the proportion of clods 0.25-10.0 mm in size was 3.2-5.7% higher than in the control. The use of mycorrhizal fungi and nitrogen-fixing bacteria contributes to an increase in the yield of dry plant biomass by 1.82-6.11 t/ha compared to the control, which is of practical importance in increasing the raw materials for biofuel production

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Efficiency of influence of foliar treatment by plant growth regulators on the parameters of miscanthus biomass

Cited by 5 publications

References 20 publications

The effect of nitrogen fertilization and foliar application of fertilizers on yield and energy efficiency of giant miscanthus plantations

The effect of nitrogen fertilization and foliar application of fertilizers on yield and energy efficiency of giant miscanthus plantations

Optimization of the Micromycete Cultivation Process � Basics of Growth Regulators and Biotesting Their Growth- Stimulating Activity Concerning to Miscanthus Giganteus

Formation of productivity of giant miscanthus (Miscanthus×giganteus) under symbiosis of its root system with fungi and bacteria

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