scholarly journals Оценка хранения лука репчатого в однолетней культуре в Нечерноземной зоне

2020 ◽  
Author(s):  
O.R. Davletbaeva ◽  
M.G. Ibragimbekov ◽  
A.N. Khovrin
Keyword(s):  
Dry Matter ◽  
Storage Temperature ◽  
Matter Content ◽  
Dry Matter Content ◽  
Long Term Storage ◽  
Loss Of Weight ◽  
Standard Cultivar ◽  
Air Circulation ◽  
Preservation Rate

Представлена оценка сохранности сортов, гибридов и новых гибридных комбинаций лука репчатого выращенного в однолетней культуре в условиях Московской области. Лежкость селекционных образцов лука оценивали в период зимнего хранения, учитывали убыль массы, число усохших, пораженных и проросших луковиц. По количеству сохранившихся луковиц и динамике этих показателей оценивали сохранность образцов. Сохранность лука репчатого зависит еще от пригодности данного сорта или гибрида к длительному хранению и его вызревания. Полное вызревание лука характеризуется наличием сухих кроющих чешуй, усыханием листьев и шейки, высоким содержанием сахарозы и моносахаров. Такой лук хранится дольше и меньше поражается болезнями. Один из важных способов сокращения потерь лука репчатого при хранении является соблюдение низкотемпературного режима и соответствующей влажности воздуха. Для лучшей сохранности лука поддерживали температуру в хранилище около 12 С, относительной влажностью воздуха в пределах 75-80. Для этого лук закладывали в хранилище с оборудованными холодильными установками, автоматически регулирующими температуру, влажность и циркуляцию воздуха. Большинство образцов имели сохранность от 28,3 до 71,1, что составило более половины 69,2 изучаемых образцов. Самый низкий показатель сохранности имел образец 652/17 F1 (ШетAN 158 I3) и составил 28,3, также данный образец имел 42,3 проросших луковиц. Лучшую сохранность 95 и 94,6 показали образцы зарубежной селекции F1 Сантеро и F1 Премито (стандарт), при содержании сухого вещества 10,9 и 10,8 соответственно. Также хорошую сохранность среди гибридных комбинаций показал образец 652/2 F1 (Шет Поло I3) 85 с содержанием сухого вещества 10,2, уступив отечественному сорту Форвард (стандарт) на 1,8.An assessment of the safety of cultivars, hybrids and new hybrid combinations of onion grown in an annual culture in the Moscow region is presented. The yield of selected onion samples was evaluated during winter storage, taking into account the loss of weight, the number of dried, affected and sprouted bulbs. The number of preserved bulbs and the dynamics of these indicators were used to assess the safety of samples. The safety of onions depends on the suitability of this variety or hybrid for long-term storage and its aging. Full maturation of onions is characterized by the presence of dry covering scales, drying of leaves and neck, high content of sucrose and monosaccharides. This onion is stored longer and less affected by diseases. One of the important ways to reduce the loss of onions during storage is to observe a low-temperature regime and appropriate humidity. For better preservation of onions, the storage temperature was maintained at about 1-2 C, with a relative humidity of 75-80. To do this, the onion was placed in a storage with equipped refrigeration units that automatically regulate temperature, humidity and air circulation. The majority of samples had a safety of 28.3 to 71.1, which was more than half-69.2 of the studied samples. The lowest preservation rate was for the 652/17 F1 sample (ShetAN 158 I3) and was 28.3, and this sample also had 42.3 sprouted bulbs. The best preservation of 95 and 94.6 were shown by samples of foreign selection F1 Santero and F1 Premito (standard), with a dry matter content of 10.9 and 10.8, respectively. Also, the 652/2 F1 (Shet Polo I3) sample showed good preservation among hybrid combinations 85 with a dry matter content of 10.2, losing to the domestic Forvard (standard) cultivar by 1.8.

Growth and chemical composition of carrots as influenced by the time of sowing and harvest

1987 ◽  
Vol 108 (2) ◽  
pp. 459-468 ◽  
Author(s):  
T. Nilsson
Keyword(s):  
Chemical Composition ◽  
Dry Matter ◽  
Sucrose Concentration ◽  
Amino Nitrogen ◽  
Sowing Date ◽  
Matter Content ◽  
Dry Matter Content ◽  
Growing Period ◽  
Long Term Storage

SummaryThe effects of the time of sowing on growth and chemical composition of carrots grown from May to November were studied during 3 years.Delaying sowing for 1 or 2 months after the beginning of May resulted in a reduction in the growth of both roots and foliage and gave roots with lower dry-matter content and glucose/fructose ratio but higher amounts of hexoses, total nitrogen and amino nitrogen in root dry matter. Sowing date had no influence on the concentration of sucrose, phosphorus, potassium, calcium and magnesium in root dry matter up to 137 days from sowing. Carotene decreased only after the last sowing. Sucrose concentration of the roots increased throughout the periods studied irrespective of the time of sowing. The longer the growing period the higher was the sucrose concentration. The concentration of hexoses decreased from the first harvest at 70 days to reach a constant level at about 130 days from sowing.The results did not indicate the presence of a well-defined stage of biochemical maturity in the autumn when carrot roots are expected as most suitable for harvest and subsequent long-term storage.

scholarly journals Relationship between dry matter content at harvest and maturity index and post-harvest quality of ‘Fuji’ apples

2018 ◽  
Vol 40 (2) ◽  
Author(s):  
Marcelo José Vieira ◽  
Luiz Carlos Argenta ◽  
James Peter Mattheis ◽  
Cassandro Vidal Talamini do Amarante ◽  
Cristiano André Steffens
Keyword(s):  
Dry Matter ◽  
Apple Fruit ◽  
Matter Content ◽  
Maturity Index ◽  
Dry Matter Content ◽  
Post Harvest ◽  
Long Term Storage ◽  
The Relationship ◽  
Term Storage

Abstract Two experiments were carried out to evaluate the relationship between dry matter content (DMC) and maturity index of ‘Fuji’ apple fruit sports (‘Mishima’, ‘Fuji Select’ and ‘Fuji Suprema’) during the final stage of fruit growth, and the relationship between DMC at harvest and the post-harvest fruit quality. Fruit were harvested from orchards of three regions (Caçador, São Joaquim and Vacaria), on two rootstocks (M9 and Marubakaido with M9 interstock). In experiment 1 (2014), fruit were periodically sampled beginning 83 days before the commercial harvest period. In experiment 2, fruit were harvested at optimum maturity for long-term storage and stored in air at 0.5 ºC (2014) or after optimum maturity for long-term storage and stored in controlled atmosphere at 0.7 ºC (2014 and 2015). Apple fruit maturity on the tree was characterized by decreased flesh firmness and increased starch index and soluble solids content (SS) and by a small change in DMC. DMC at harvest was correlated with flesh firmness and SS in one of two years, but DMC was not correlated with the incidence of disorders after storage. The results show that DMC at harvest is not suitable as a maturity index of ‘Fuji’ apples, and its use as a post-harvest quality predictor is not consistent between crop years.

scholarly journals Agrobiological estimation of the collection samples of Allium sativum subsp. vulgare (Kuzn.)

2021 ◽  
Author(s):  
V. V. Yatsenko ◽  
K. M. Shevchuk ◽  
A. I. Boiko ◽  
O. Yu. Polovynchuk
Keyword(s):  
Block Design ◽  
Matter Content ◽  
Research Field ◽  
Dry Matter Content ◽  
Long Term Storage ◽  
Field Laboratory ◽  
Biological Potential ◽  
Standard Collection ◽  
Growing Conditions ◽  
Standard Cultivar

Purpose. To study biological features of biological potential realization of softneck garlic productivity. Methods. Field, laboratory, statistical and calculation-analytical. Results. The results of studying local and introduced forms of softneck garlic cultivars (samples No. 1, 14, 16, 19, 24, 27) in comparison with varieties (‘Prometei’ (standard) and ‘Liubasha’) in terms of productivity are presented. In the research, field, laboratory and statistical methods were used. The experimental design was a systemic complete block design without replicates. It was found that all, without exception, softneck garlic cultivars have an erectoid type of leaf placement. Introduced cultivars featured low seedstalk formation, which is a manifestation of adaptation to growing conditions. All studied cultivars were characterized by lower values of the number of air bulbils in the inflorescence compared to the standard cultivar ‘Prometei’. Thus, ‘Liubasha’ formed 16.1% fewer bulbils than the standard; however, its 1000-bulbil weight was 37.2% larger than in ‘Prometei’. The softneck cultivars that formed bulbils on the reduced seedstalk were characterized by a very small number of bulbils − by 89.7–90.8% less than in the standard – however, the formed bulbils had very large 1000-bulbil weight. Thus, sample No. 1 formed bulbils by 542.0% larger in terms of the 1000-bulbil weight than standard; sample No. 16 by 554.3%; sample No. 27 by 752.9%. Samples No. 14, 19 and 24 did not formed seedstalks. In terms of the bulbil yield, the samples that formed bulbils had by 11.7–40.1% lower indicators than the standard. Cultivar ‘Liubasha’ was characterized by a 19.0% higher bulbil yield. The vast majority of collection samples of winter garlic formed smaller bulbs. Sample No. 16 had a large bulb wight compared to the standard. Collection samples had significantly lower yield except for No. 16, which exceeded the standard by 30.2 and 56.8%. Conclusions. Collection samples have a significantly higher dry matter content. The promising samples (No. 14, 16, 19, 24) were selected by a number of characteristics as promising for further breding of softneck table garlic cultivars. In further research, the content of secondary metabolites and the storage of the samples in uncontrolled conditions will be studied in order to create table garlic cultivars suitable for long-term storage.

scholarly journals Effect of Salt and Storage Time on Physico-Chemical and Sensorial Properties of Beef Meatball

2014 ◽  
Vol 24 (1-2) ◽  
pp. 137-147
Author(s):  
RS Tanny ◽  
MA Hashem ◽  
S Akhter ◽  
MS Islam ◽  
MAK Azad ◽  
...  
Keyword(s):  
Salt Concentration ◽  
Dry Matter ◽  
Storage Time ◽  
Storage Temperature ◽  
Ph Value ◽  
Matter Content ◽  
Dry Matter Content ◽  
Fresh Sample ◽  
Physico Chemical ◽  
And Storage

The experiment was conducted to find out the effect of salt and storage temperature on the physico-chemical properties of meatball. For this purpose meatball samples were divided into two parts; one is called fresh meatball and another is preserved meatball at different temperatures. Then the fresh samples as well as the preserved samples were divided into four subdivisions. Then these are treated with different salt levels (0, 1.5, 3 and 5% salt level).These Samples were stored at 4oC and -20oC temperature. Samples preserved at 4oC were stored in the refrigerator for 21 days and were analyzed on 7th day, 14th day and 21st day and samples preserved at -20oCwere stored in the refrigerator for 60 days and were analyzed on 15th day, 30th day, 45th day and 60thday. Dry matter content of all the samples increased with the advancement of storage time, temperature and salt concentration. Ash value decreased with the increase of storage time. Fat value of all the samples decreased with the advancement of salt concentration, storage time and temperature. pH value of all the samples decreased with the increasing of salt concentration, storage time and temperature. Cooking loss of all the samples increased with increasing of salt concentration but decreased with increasing of storage time and temperature. Dry matter in fresh sample were less than in preserved samples. CP % of fresh beef meatball was 22.31, 20.55, 14.55 and 20.13 at different salt concentration. The values of CP, DM, Ash and Fat also varied among the samples significantly (P<0.01). Beef meatball can be refrigerated for 60 days in different techniques with more or less difference in the quality. Highly significant differences are observed in preserved samples than in fresh samples at different salt levels. Fresh beef meatball treated with 1.5% salt found to be more acceptable in terms of sensory evaluation.DOI: http://dx.doi.org/10.3329/pa.v24i1-2.19117 Progress. Agric. 24(1&2): 137 - 147, 2013

Effect of dry matter content at baling on change in forage constituents during the storage of alfalfa hay

1996 ◽  
Vol 76 (4) ◽  
pp. 599-605
Author(s):  
M. Undi ◽  
K. M. Wittenberg
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Storage Temperature ◽  
Matter Content ◽  
Soluble Carbohydrate ◽  
Dry Matter Content ◽  
Nutrient Losses ◽  
Alfalfa Hay ◽  
Pole Structure ◽  
Acid Detergent Fibre

The purpose of this study was to evaluate the effect of DM content at baling on the pattern of forage constituent change and on DM and nutrient losses during storage. Alfalfa forage, baled at 64.1–66.2, 71.9–73.2 and 75.4–77.4% DM, was designated Low, Medium, and High DM treatments, respectively. Hay generated from each treatment was stored in a pole structure as two 74-bale stacks per treatment, using a bale wagon. Core samples were collected from bales on days 1, 4, 7, 14, 21, and 60 of storage. Bale temperature was monitored for eight bales per treatment daily for the first 35 d of storage and then on days 45, 50, and 60. Peak storage temperature reached was influenced (P < 0.05) by forage DM at baling; the highest peak temperature being associated with Low DM hay. DM losses also were higher (P < 0.05) in Low DM hay relative to either Medium or High DM hays, averaging 10.1, 4.5, and 3.0%, respectively. Dry matter (DM), neutral detergent fibre (NDF), acid detergent fibre (ADF), acid detergent insoluble nitrogen (ADIN), and glucosamine contents increased in all forage treatments during storage; the extent of increase was more (P < 0.05) in Low DM hay than in High DM hay. Cellulose, lignin and crude protein (CP) concentrations followed a similar pattern during storage for hay baled and stored at the three DM contents. Soluble carbohydrate content loss was higher (P < 0.05) in Low DM hay relative to High DM hay. Forage DM content at baling will influence stack temperatures and extent of nutrient change during storage. Most changes m constituents of low DM hay occurred within the first 14 d of storage, a period within which peak temperatures were recorded in all forages. The study also showed that alfalfa forage can be stored at a DM content of 76% with minimal nutrient change and loss, which is lower than normally recommended. Key words: Alfalfa hay, storage, nutrients, DM contents, temperature

scholarly journals BIOLOGICAL ASSESSMENT OF THE INTRODUCED VARIETIES OF EASTERN PERSIMMON IN THE DRY SUBTROPICS OF SOUTHERN DAGESTAN

2019 ◽  
pp. 116-120
Author(s):  
A. V. Ryndin ◽  
N. G. Zagirov ◽  
N. A. Ibragimov
Keyword(s):  
Dry Matter ◽  
Biochemical Analysis ◽  
Matter Content ◽  
Biological Assessment ◽  
Dry Matter Content ◽  
Phases Of Development ◽  
Fruit Harvest ◽  
Long Term Studies ◽  
Phenological Phases

The aim of the research is to study the characteristics of growth, development and biochemical composition of the introduced varieties of eastern persimmon in the conditions of Southern Dagestan. Long-term studies for 2015-2018 were carried out with the use of generally accepted programs and classical methods of sorting and selection studies. As a result, the biological features of the passage of phenological phases of development of introduced varieties of persimmon eastern specific territory were studied to optimize plantings in industrial plantations and peasant farms, persimmon varieties were proposed that are characterized by valuable economic and biological characteristics and properties with the aim of increasing yields, where the fruit harvest from 1 tree and the yield from 1 ha is allocated the East Hiakume persimmon variety (317.2 g; 58.6 kg and 293.0 c/ha). According to the peculiarities of growth and development in cultivation in the conditions of Southern Dagestan, it was found that the highest height of the tree is the Hachia variety (4.74), the crown diameter the Giro variety (4.26), and the trunk circle the Hachia variety (31.7 cm). A biochemical analysis of the fruits of the main assortment of Eastern persimmon fruits was performed, which showed that the Hachia variety was distinguished by the dry matter content, the amount of sugars and vitamin C (19.3%, 13.6% and 46.5 mg%, respectively).

scholarly journals Quest for Suitable Storage Condition for Sustainable Processing Quality of Potato Tubers

2019 ◽  
Vol 23 (2) ◽  
pp. 61-78
Author(s):  
D Parvin ◽  
JU Ahmed ◽  
MM Hossain ◽  
M Mohi-Ud-Din
Keyword(s):  
Storage Condition ◽  
Matter Content ◽  
Dry Matter Content ◽  
Processing Quality ◽  
Potato Tubers ◽  
Long Term Storage ◽  
Physico Chemical ◽  
The Mean

Processing quality of potato tubers depend on the physico-chemical properties which changes within the time in long-term storage period. The present study was conducted to find out a suitable storage condition that could be able to maintain the processing quality of potatoes. Three potato varieties namely Asterix (BARI Alu-25), Courage (BARI Alu-29) and Lady Rosetta (BARI Alu-28) and three different storage conditions viz. Bamboo chamber (BC), earthen chamber with evaporative cooler (EC) and refrigerator (RF) were used in this study. Data were recorded monthly-basis on the physico-chemical processing qualities of the potato tubers. Potato tubers stored in RF was able to maintain higher dry matter content and lower weight loss, shrinkage and energy content than BC and EC. Though the physical qualities of the refrigerated tubers were well-maintained, but produced considerably higher amount of mean reducing sugars (2.69 mg/g FW) which was 11.6 and 17.9% higher than the mean of BC (2.41 mg/g FW) and EC (2.28 mg/g FW), respectively; and higher mean sucrose contents (2.46 mg/g FW) which was 6.5 and 18.8% higher than the mean of BC (2.31 mg/g FW) and EC (2.07 mg/g FW), respectively. EC maintained significantly lower amount of mean glucose (0.17 mg/g FW), fructose (1.96 mg/g FW) and total soluble sugar (4.20 mg/g FW) contents than BC and RF. Compared to pre-storage, mean reducing sugar content was increased by 1.5, 1.7 and 2.0 times in EC, BC and RF, respectively until 90 days of storage and the increase in mean sucrose content was 1.7-, 2.1- and 2.3-fold in EC, BC and RF, respectively. Among the varieties, Courage and Lady Rosetta were suitable for long-term storage for processing than Asterix. Chips produced from the potatoes stored in the EC acquired significantly higher scores for sensory attributes than that of BC and RF. Results clearly depicted that potatoes stored in EC were more suitable for processing due to moderate retention of dry matter content (22.13%) and lower accumulation of different sugars and were able to retain processing quality up to 90 days of storage than that of BC and RF. Ann. Bangladesh Agric. (2019) 23(2) : 61-78

scholarly journals Some factors affecting silage fermentation. 1. Influence of laceration and storage temperature.

1959 ◽  
Vol 7 (2) ◽  
pp. 134-137
Author(s):  
G.W. Wieringa
Keyword(s):  
Lactic Acid ◽  
Dry Matter ◽  
Storage Temperature ◽  
Matter Content ◽  
Dry Matter Content ◽  
Factors Affecting ◽  
Silage Fermentation ◽  
Higher Temperature ◽  
Lower Temperature ◽  
And Storage

In laboratory-scale ensiling experiments [See Abs. 602] it was shown that lactic-acid bacteria developed more rapidly in silage made from crushed grass than in silage made from grass chopped into 5-cm. lengths. In further experiments using grass of high-protein and low dry-matter content, crushed and ensiled at 20 or 30 degrees C., or uncrushed grass ensiled at 30 degrees G. with 1, 2, 3 or 4% of added molasses, good silage was produced only where 4% molasses or the lower temperature was used. Butyric-acid bacteria developed best at the higher temperature.-R.B. (Abstract retrieved from CAB Abstracts by CABI’s permission)

scholarly journals Hygienic Aspects of Cattle Slurry Storage as the Most Popular and Cheapest Method of Handling Liquid Animal Excrements / Higieniczne aspekty składowania gnojowicy bydlęcej jako najpopularniejszej i najtańszej metody postępowania z płynnymi odchodami zwierzęcymi

2013 ◽  
Vol 13 (3) ◽  
pp. 597-609 ◽  
Author(s):  
Krzysztof Skowron ◽  
Halina Olszewska ◽  
Karolina Jadwiga Skowron ◽  
Piotr Paluszak ◽  
Barbara Breza-Boruta
Keyword(s):  
Dry Matter ◽  
Storage Temperature ◽  
Matter Content ◽  
Indicator Bacteria ◽  
Inactivation Kinetics ◽  
Dry Matter Content ◽  
Cattle Slurry ◽  
Salmonella Dublin ◽  
E Coli ◽  
Slurry Storage

Abstract Slurry is a very valuable natural fertilizer, but its improper use in agriculture poses a serious sanitary threat. Therefore its treatment before use for fertilization is advisable. One of such methods, which is still the most popular, is storage of liquid excrements. The aim of this study was to estimate the sanitization effectiveness of storage at 4ºC and 20ºC based on parameters describing the kinetics of changes in the population of some indicator bacteria in cattle slurry with different dry matter content. The material for the study was fresh cattle slurry. The liquid excrements used in the experiment had a dry matter content of 2, 6 and 14%. Slurry was stored at 4ºC and 20ºC. Bacilli of Salmonella Dublin, E. coli and enterococci were used as indicator bacteria. Number of microorganisms was determined based on MPN method in a 3-tube design. Basic parameters of the bacteria inactivation kinetics were calculated and statistical analysis was made using the program SAS 9.2 PL. In stored slurry a gradual elimination of all the studied microorganisms was observed. Hygienization effect of storage was smaller at 4ºC than at 20ºC and in excrements with a high dry matter content. Depending on storage temperature and dry matter proportion, the theoretical times of survival ranged from 81.85 to 220.80 days for bacilli of Salmonella Dublin, from 74.93 to 199.36 days for E. coli, and from 118.67 to 335.84 days for enterococci. The study showed explicitly that statutory time of slurry storage is insufficient to ensure its complete hygienization.

Sign in / Sign up

Export Citation Format

Share Document