Influenceof Growth Stimulants and Microfertilizers on the Productivity of Crambe Abyssinica H.

Abstract

The article presents the results of studies evaluating the influence of growth stimulants and micronutrient fertilizers on the productivity and sowing qualities of Crambe Abyssinica. Growth regulators Albit - 40 ml/t, Gumat K/Na - 0.15 l/t and microelement fertilizers EcoFus - 0.5 l/t and Omex - 2 l/t were studied. Studies have shown that the most effective options are with seed treatment with the growth regulator Albit and the combined use of Albit + Omex. Here the greatest positive effect was obtained on the indicator of field germination of krambe (89.6%) and on the safety of plants for harvesting (96.8%), respectively. It was revealed that the variant with the use of Albit, Gumat K/Na + Omex and Albit + Omex most effectively increased the seed yield of Crambe, the seed productivity here was 2.92; 2.93 and 2.96 t / ha, respectively. These options stimulated germination energy by 1.8-4.7% and laboratory germination by 3.8-9.1% relative to the control. The krambe oil content in the experimental variants was 36.14-39.76%, in the control - 36.04%. The highest oil content of seeds was noted on the variant with Albit - 39.76%. The use of Albit in combination with EcoFus and Omex contributes to the accumulation of oil in seeds up to 38.55 and 38.68%, respectively. The weight of 1000 seeds of Crambe varied in the range of 8.16-8.38 g in the variants with the use of drugs and 8.13 g in the variant without treatment. The germination energy and laboratory germination rate of Crambe Abyssinica varied between 52.7-79.8% and 69.5-86.5%, depending on the use of the preparations.

Oilseed Radish: Nitrogen and Sulfur Management Strategies for Seed Yield and Quality—A Case Study in Poland

“…In European Russia (Eastern Europe), OSR yields ranged from 1.6 to even 2.4 Mg ha −1 [11,57], and they were higher (2.56-2.90 Mg ha −1 ) in Central-Eastern Europe (Poland, Lithuania) [8,9]. In a 20-year study conducted in western Poland by Toboła and Muśnicki [8], the average OSR seed yield was 1.11 Mg ha −1 .…”

“…In the humid continental climate of European Russia (Dfb-Köppen climate classification), OSR yields are comparable to crambe (Crambe abyssinica Hochst ex R.E. Fries) (2.4 Mg ha −1 ) and exceed the yields of other Brassica oilseed crops by 10% (winter camelina-Camelina sativa L./Crantz), 16-20% (spring camelina, spring rapeseed, and oil flax-Linum usitatissimum L.), and 24% (white mustard-Sinapis alba L.) [11]. In western Poland (Dfb), OSR yields were 67% and 24% lower in comparison with white mustard and crambe, respectively, but they exceeded the yields of the remaining spring oilseed crops of the family Brassicaceae by 5% (field mustard and spring camelina) to 19-28% (spring rapeseed and Indian mustard) [8].…”

“…Oilseed radish has several advantages in the production process, including (i) a short life cycle (90-120 days), (ii) low agronomic requirements, (iii) low production costs, (iv) a high oil content, and (iv) a high oil yield of cold-pressed seeds [1,7]. The crude fat (CF) content of OSR seeds ranges from 284 to 398 g kg −1 dry matter (DM) [8][9][10][11][12]. Crude fat is abundant in very-long-chain fatty acids (FAs), including erucic acid (C 22:1 , 18-33%) and eicosanoic acid (C 20:1 , 8-11%) [11][12][13][14][15].…”

“…The crude fat (CF) content of OSR seeds ranges from 284 to 398 g kg −1 dry matter (DM) [8][9][10][11][12]. Crude fat is abundant in very-long-chain fatty acids (FAs), including erucic acid (C 22:1 , 18-33%) and eicosanoic acid (C 20:1 , 8-11%) [11][12][13][14][15]. The extracted oil is characterized by high oxidative stability due to high concentrations of phytosterols and tocopherols (Ts) [16].…”

“…The seed yield of OSR ranges from 0.6-1.5 to even 2.0-2.9 Mg ha −1 under supportive soil and climatic conditions [8,9,11]. In the humid continental climate of European Russia (Dfb-Köppen climate classification), OSR yields are comparable to crambe (Crambe abyssinica Hochst ex R.E.…”