The scheme of the winter triticale breeding at the National Center of grain named after P. P. Lukiyanenko provides for extensive ecological variety trials in various soil and climatic zones of the Russian Federation that makes it possible to reliably estimate the adaptability of promising breeding material and more reasonably and accurately select varieties for the State Variety Testing (Kovtunenko et al., 2017). The breeding material developed in the department of wheat and triticale breeding and seed production at the NCG named after P. P. Lukiyanenko (Krasnodar) was tested on the experimental plot of the KNIISKh, a branch of the FGBNU “PAFNTs RAS” in the SPOK “Agroniva” of the Tselinny district of the Republic of Kalmykia. The purpose of the current study was to identify the most highly productive breeding lines adaptable to local conditions and, on their basis, to develop new varieties. In the course of joint work begun in 1996, KNIISKh, a branch of the FGBNU “PAFNTs RaS” and the NCG named after P P Lukiyanenko (Krasnodar) developed highly productive joint varieties of winter triticale ‘Khongor', ‘Barun', ‘Bogdo' and ‘Khot'. In 2018 a new variety of winter triticale ‘Uralan', which meets the best world achievements in breeding, has been sent to the State Variety Testing. In 2019 at the Elista GSU, the productivity of the variety ‘Uralan' was 5.37 t/ha, exceeding the standard variety ‘Valentin 90' on 1.4 t/ha. In 2016, the productivity of the new winter triticale variety ‘Uralan' was 6.43 t/ha, which was the absolute maximum identified in the long-term ecological variety trials of this grain crop on the experimental plots of the KNIISKh, a branch of the FGBNU “PAFNTs RAS” in arid conditions of the Republic of Kalmykia. The current paper has presented the productivity data and investigated the feed advantages of the new winter triticale variety ‘Uralan' in 2017-2019.
In accordance with the purpose of the current study, there have been presented the study results of the productivity and grain quality of the co-breeding winter bread wheat varieties. Kalmykia RAI, the branch of the “Pre-Kaspy AFRC RAS” in cooperation with the FSBSI “NCG named after P.P. Lukyanenko” developed five winter bread wheat varieties. The Competitive Variety Testing was laid down in 2 layers in 4-fold repetition using a CH-16 seeder in 2017–2021. The accounting area of the plot was 50 m². The sowing was carried out at the optimal time, in the third decade of September. The seeding rate was 300 germinating seeds per 1 m². The crop was sown in weedfree fallow. The mean grain productivity of the co-breeding varieties through 5 years in the arid conditions of the Republic of Kalmykia was 3.06 t/ha. The variety ‘Khasyr’ had the maximum productivity. The study has confirmed that the co-breeding varieties formed high-quality grain suitable for baking. The highest percentage of protein (14.8%) and gluten (31.1%) among the varieties through the past 5 years was in 2020. Grain unit of all varieties exceeded the basic rate of 750 g/l and ranged from 765 to 786 g/l. The best grain unit was demonstrated by the new variety ‘Khamdan’. Grain sedimentation among the varieties varied on average from 42.0 to 49.4 ml, which is an average ratio for this crop. The flour strength ranged from 171 to 299 u.a. Strong flour was obtained from the variety ‘Bulgun’. In recent years the bread volume varied from 515 to 650 cm³, the total rate of grain and flour of the co-breeding varieties was 4.0 - 4.8, which is typical for valuable and strong wheat.
Barley productivity varies significantly in various agricultural areas, therefore, there should be conducted an ecological testing to identify varieties’ response to various soil and climatic conditions. That gives an opportunity to identify varieties adapted to specific soil and climatic conditions of a particular area or a region. The purpose of the current study was to conduct an ecological testing of winter barley varieties in the arid central part of theRepublicofKalmykiafor the subsequent identification of the most drought-tolerant, adaptable winter barley varieties, as well as to compare productivity of winter barley with that of spring barley in the arid conditions of the Kalmykia steppes. The study was carried out on the experimental plots of the Kalmyksky RIA named after M. B. Narmaev, a branch of the FSBSI “Pre-Caspian Agricultural Federal Research Center of the Russian Academy of Sciences” (PCAFRC) in 2018–2019. The objects of research were 9 winter barley varieties of various breeding institutions. The variety of winter barley “Erema” was a standard one, the only one from the entire set of studied varieties that has been included into the State List of Breeding Achievements of theRussian Federation, recommended for cultivation in theRepublicofKalmykia. The trials were laid in four sequences with a systematic arrangement of variants. The total area of the plot was60 m2, the registration plot was50 m2. The seeding rate was 350 pcs. Of germinating seeds per1 m2. The forecrop was winter wheat sown in a fallow land. The study has found that the productivity of the varieties “Timofei”, “Romans”, “Sprinter”, and “Molot” were significantly inferior to that of the standard variety. The productivity of the varieties “Espada”, “Kuzen”, “Vivat”, “Samson” were at the same level as of the standard variety. It should be noted that the maximum yield (4.13 t/ha) was produced by the new variety “Vivat” in 2018. The variety has an undoubted prospect to be cultivated in this region, as it is a facultative one according to the biological type of development, unlike the other studied varieties.
In 2016–2020 in the Republic of Kalmykia the winter durum wheat area was sown by the variety ‘Kermen’ of joint development by the Kalmykia Research Agricultural Institute named after M.B. Narmaev, a branch of the “Pre-Kaspy Agricultural Federal Research Center RAS” (KRAI, a branch of the PkAFRC RAS) and the FSBSI “National Center of grain named after P.P. Lukyanenko”, and the variety ‘Kristella’ developed by the FSBSI Agricultural Research Center “Donskoy”. The current paper has presented the study results of productivity and grain quality of the varieties ‘Kermen’ and ‘Kristella’ on the experimental plot of the KRAI, a branch of the PkAFRC RAS over the past five years. The purpose of the study was to evaluate the winter durum wheat varieties according to the traits of productivity and grain quality for giving recommendations and their further introduction into production. In the conditions of the experimental plot of the KRAI, a branch of the PkAFRC RAS, over five years the mean productivity of the variety ‘Kermen’ exceeded that of the variety ‘Kristella’ on 0.56 t/ha, or 14.2%. There should be noted that the variety ‘Kristella’ showed the maximum productivity (5.88 t/ha) in 2016, which was a reliable addition to the variety ‘Kermen’. The varieties ‘Kermen’ and ‘Kristella’ have formed grain with a sufficiently high percentage of protein and gluten, which according to GOST 9353-2016, meets the requirements of the 1st and 3rd class for winter durum wheat. There were identified higher quality indicators in the variety ‘Kristella’.
The paper presents the analysis of meteorological criteria and the study of their influence on productivity of winter and spring grain crops through 20 years (1999–2018) in the Central zone of the Republic of Kalmykia. Meteorological information was analyzed differentially, i. e. for the entire period, over five-year terms (cycles), in separate years and seasons. The yield analysis was carried out according to the test results of 2170 variety samples of winter soft wheat, 334 samples of winter triticale and 503 spring barley varieties. Over the years the temperature was constantly becoming warmer. The average annual air temperature through 20 years exceeded the climatic norm on 1.30 °C (+10.7 °C). A similar situation took place both over five-year terms and in separate seasons. In winter the air temperature exceeded the norm by 1.7 °C (–2.5 °C), in the spring by +1.7 (+10.50 °C), in summer by +1.4 (+24.50 °C), in the autumn by +0.6 °C (+10.0 °C). In the important (summer) period of grain yield formation the amount of precipitation decreased by 25.6% (85.6 mm) of the climatic norm (115 mm). It was established that the main moisture accumulation (179.1 mm (55.1%) of precipitation) occurred in the autumn (25.8% (83.8 mm)) and in the spring (29.3% (95.3 mm)). Contrasting weather conditions made it possible to establish the effect of anomalous climatic parameters on productivity of winter wheat, winter triticale and spring barley. The results of productivity analysis through 2014–2018 showed that in the changed vegetation conditions winter soft wheat (3.19 t/ha), winter triticale (3.45 t/ha) and spring barley (2.53 t/ha) tended to increase average productivity by 0.34, 1.49 and 0.56 t/ha, respectively, compared with 1996–2000.
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