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Tytuł:
Influence of seed size and aging on seedling growth and field establishment of lentil (Lens culinaris Medik)
Autorzy:
Ghassemi-Golezani, Kazem
Chadordooz-Jeddi, Afsaneh
Zehtab-Salmasi, Saeid
Oustan, Shahin
Tematy:
aging
field establishment
germination
lentil
seed size
Pokaż więcej
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Powiązania:
https://bibliotekanauki.pl/articles/2199716.pdf  Link otwiera się w nowym oknie
Opis:
A sub-sample of lentil (Lens culinaris Medik. cv. Kimia) seeds was kept as bulk (S1) and the other seeds were separated by a sieve with four millimeters diameter. Consequently, three seed lots including bulk (S1), large (S2) and small (S3) seeds were obtained. Seeds of each size  were divided  into three sub-samples. A sub-sample was kept  as control or high vigor seed lot (A1). The other two sub-samples with about 20% moisture content were artificially aged at 40°C for 2 and 4 days (A2  and A3, respectively). These seeds were evaluated in laboratory and field during 2011 and 2012 as factorial experiments on the bases of RCB design. The lowest  mean germination  and emergence times  and the highest  germination  percentage, seedling dry weight and emergence percentage were recorded for high vigor seed lot. Large seeds produced the largest seedlings in comparison with bulk and small seeds. Although, seedling dry weight was reduced with increas- ing seed aging, the lowest reduction was recorded for seedlings from large seeds. The most deteriorated large seeds germinated earlier than those of bulk and small seeds. Early germination of the most deteriorated large seeds resulted in rapid emergence of seedlings in the field. This is also reflected in the highest positive correlation  of mean germination time with mean emergence time. It was concluded that some deleterious effects of seed aging can be reduced by increasing seed size.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of seed size and aging on seedling growth and field establishment of lentil (Lens culinaris Medik)
Autorzy:
Ghassemi-Golezani, Kazem
Chadordooz-Jeddi, Afsaneh
Zehtab-Salmasi, Saeid
Oustan, Shahin
Tematy:
aging
field establishment
germination
lentil
seed size
Pokaż więcej
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Powiązania:
https://bibliotekanauki.pl/articles/55928289.pdf  Link otwiera się w nowym oknie
Opis:
A sub-sample of lentil (Lens culinaris Medik. cv. Kimia) seeds was kept as bulk (S1) and the other seeds were separated by a sieve with four millimeters diameter. Consequently, three seed lots including bulk (S1), large (S2) and small (S3) seeds were obtained. Seeds of each size  were divided  into three sub-samples. A sub-sample was kept  as control or high vigor seed lot (A1). The other two sub-samples with about 20% moisture content were artificially aged at 40°C for 2 and 4 days (A2  and A3, respectively). These seeds were evaluated in laboratory and field during 2011 and 2012 as factorial experiments on the bases of RCB design. The lowest  mean germination  and emergence times  and the highest  germination  percentage, seedling dry weight and emergence percentage were recorded for high vigor seed lot. Large seeds produced the largest seedlings in comparison with bulk and small seeds. Although, seedling dry weight was reduced with increas- ing seed aging, the lowest reduction was recorded for seedlings from large seeds. The most deteriorated large seeds germinated earlier than those of bulk and small seeds. Early germination of the most deteriorated large seeds resulted in rapid emergence of seedlings in the field. This is also reflected in the highest positive correlation  of mean germination time with mean emergence time. It was concluded that some deleterious effects of seed aging can be reduced by increasing seed size.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strengthening the Competitiveness of the Lentil Seed System of Nepal: a Value Chain Approach
Autorzy:
Gautam, Damodar
Dhakal, Shiv Chandra
Kattel, Rishi Ram
Khanal, Narayan Prasad
Tematy:
Lentil
seed system
value chain
government prioritization
governance
Pokaż więcej
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Powiązania:
https://bibliotekanauki.pl/articles/56979866.pdf  Link otwiera się w nowym oknie
Opis:
A value chain approach is the most viable and pragmatic strategy to develop an effective, inclusive, competitive and sustainable seed system for many crops globally. This study was conducted in the Kailali, Dang and Siraha districts of the Terai and Inner Terai regions of Nepal to map and thoroughly analyze the value chain of the lentil seed system. Primary data were collected through a household survey, key stakeholder interviews and focus group discussions. Altogether, 300 lentil grain-producing and 100 seed-producing farmers were selected for the study. Descriptive statistics, value chain mapping, stakeholder price spread calculation and return on investment were the major tools for the study. Conventional cultivation practices along with incidence of biotic and abiotic stresses ensured non-significant differences in yield, income and benefit-cost ratio (B:C) between local seed users and improved seed users, resulting in a distorted demand pull chain and eventually leading to the lamentable lentil seed system. Total value addition from farm gate to end user was 63.84% of the total retail price. Seed conditioners and processors contributed 28.38% of total value addition. Return on Investment (ROI) per total cost was higher for seed-producing farmers (59.3%). However, ROI per added cost was higher (214.8%) for retailers followed by seed conditioners and processors (96.37%). The total price spread along the chain was 45.21% of the total consumer price, revealing the inefficient marketing system. Scaling up the major factors behind improved seed adoption, like package of practices, use of a specialized production area, the development of stress resilient varieties, technical assistance, training, and subsidy schemes based on production and efficient market system development, can economically benefit lentil-producing farmers, thereby reinforcing the major pulling force of the lentil seed value chain. Appropriate infrastructure, government prioritization, a coordinated policy environment and innovative public-private partnership models across the seed value chain are necessary for overall sectoral growth.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena wpływu obróbki termicznej na wybrane właściwości fizyczne nasion soczewicy
Assessment of impact of heat treatment on selected physical properties of lentil seeds
Autorzy:
Grochowicz, J.
Małek-Woźnica, A.
Tematy:
soczewica
obróbka termiczna
właściwości fizyczne
lentil
heat treatment
physical properties
Pokaż więcej
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Powiązania:
https://bibliotekanauki.pl/articles/286691.pdf  Link otwiera się w nowym oknie
Opis:
W pracy przedstawiono wyniki badań obróbki termicznej nasion soczewicy. Celem badań było określenie wpływu wilgotności początkowej, temperatury oleju oraz czasu obróbki na wybrane właściwości fizyczne nasion. Badano zmiany wymiarów geometrycznych, masy, wytrzymałości nasion na zgniatanie, wilgotność końcową otrzymanego produktu. Wyniki badań wskazują, że zarówno wilgotność nasion, jak i zmiany temperatury oleju i czasu trwania obróbki termicznej wpływają na wybrane właściwości fizyczne surowca.
The study presents the results of research on heat treatment of lentil seeds. The pur-pose of the study was to determine the impact of initial humidity, oil temperature and the time of treatment on selected physical properties of the seeds. The changes of geometrical dimensions, weight, crushing strength of the seeds and the final hu-midity of the obtained product were examined. The results of the research show that both the humidity of the seeds and the changes of oil temperature and time of heat treatment do have an effect on the selected physical properties of the raw material.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ uprawy współrzędnej soczewicy z rośliną podporową na plonowanie i cechy roślin tego gatunku istotne podczas zbioru kombajnowego
The impact of intercropping of lentil with supporting plant on cropping and characteristics of plants belonging to this species, which are important during combine harvest
Autorzy:
Żabiński, A.
Tematy:
soczewica
uprawa współrzędna
plonowanie
stopień wylegania
lentil
intercropping
cropping
lodging degree
Pokaż więcej
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Powiązania:
https://bibliotekanauki.pl/articles/286766.pdf  Link otwiera się w nowym oknie
Opis:
W pracy przedstawiono wyniki badań dotyczących możliwości uprawy soczewicy z rośliną podporową. Stwierdzono że reakcja tego gatunku na taki sposób uprawy, pod względem plonowania, oraz analizowanych cech morfologicznych roślin (podatności na wyleganie, wysokości osadzenia dolnych strąków), zależna jest od odmiany soczewicy, jej procentowego udziału w mieszance a także od gatunku użytego komponenta podporowego. Zastosowanie siewu współrzędnego pozwoliło ograniczyć wyleganie soczewicy, istotne jednak różnice pod tym względem w stosunku do siewu czystego stwierdzono tylko u odmiany Izka.
The paper presents results of the research on the possibilities regarding cultivation of lentil with supporting plant. It has been found that, as regards cropping and analysed morphological characteristics of plants (susceptibility to lodging, lower pods setting height), this species response to this cultivation type depends on lentil variety, its percent share in the mix, and on the species of supporting component used. Applying of intercrop sowing allowed to reduce lentil lodging, however significant differences in this respect compared to pure sowing were found in Izka variety only.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Foliar Boron Application and Row Spacing Effects on Growth, Yield and Protein Contents of Lentil (Lens culinaris Medic.)
Autorzy:
Khalaf, Yahya Bani
Aldahadha, Abdallah
Migdadi, Osama
Khasawneh, Yansi
Bsharat, Shahenaz
Nukta, Raed Abu
Tematy:
protein content
photosynthesis
row spacing
foliar boron
lentil
Pokaż więcej
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Powiązania:
https://bibliotekanauki.pl/articles/60184366.pdf  Link otwiera się w nowym oknie
Opis:
Sufficient supply of foliar boron is essential for the appropriate productivity of lentil, particularly in poorly fertile soil. Therefore, field experiments were carried out at two locations (Maru and Mushaqar) in Jordan during the winter growing season 2021/2022 to evaluating the impact of foliar boron levels (0, 0.2, 0.3, and 0.6%) on the physiology, growth, yield, and grain protein contents of the local lentil variety (Jordan 2) under different row spacing (17.5 and 35 cm). The results revealed that the Maru location outperformed another location for increasing transpiration rate, plant height, days to flowering, yield, and yield attributes while reducing protein contents. Row spacing of 35 cm had significantly higher physiological performance, yield, and yield attributes than row spacing of 17.5 cm, except for instantaneous water use efficiency, straw yield, and thousand seed weight. Foliar 0.2% boron was the best treatment since it increased total chlorophyll content, stomatal conductance, transpiration, photosynthetic rate, and protein content by 9.5, 39.9, 22.2, 25.9, and 11.2%, respectively. Furthermore, foliar 0.2% boron improved grain yield higher at row spacing of 35 cm than those at row spacing of 17.5 cm. However, foliar 0.6% boron decreased grain yield by 8.5% and 3.6% at row spacing 35 cm and 17.5 cm, respectively, indicating this high concentration of boron acts as toxicity. Overall, it is highly recommended to use foliar rates of boron ranging between 0.2% and 0.3% to enhance the seed yield and protein content of lentils at different row spacing. These results suggest that optimum row spacing and foliar boron are useful approaches for lentil’s sustainability in semiarid areas.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adoption of Improved Lentil Varieties among Smallholder’s farmers in Gimbichu District, East Shewa Zone, Oromia Region, Ethiopia
Autorzy:
Senait, Assefa Tolla
Tematy:
Adoption
Ethiopia
Gimbichu district
double hurdle
household
improved lentil variety
Pokaż więcej
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Powiązania:
https://bibliotekanauki.pl/articles/1031430.pdf  Link otwiera się w nowym oknie
Opis:
Adoption of improved technologies is one of the most promising ways to ensure food security and alleviate poverty in Ethiopia. However, the adoption and dissemination of lentil technology is constrained by various factors. To this end, the aim of this study was to empirically identify the determinants of adoption and intensity of adoption of improved lentil varieties. In this study, two stage sampling procedure was followed to select the sample respondents. First four lentil growing kebeles were randomly selected from 26 lentil producing kebeles. In the second stage: 166 sample respondents were randomly selected based on probability proportional to size for the interview purpose. Semi-structured interview schedule was developed and used for data collection, the study from the sampled households. Both primary and secondary data were used for this study. The collected data was analyzed by descriptive statistics and double hurdle econometric model. The probit model statistics shows that from the total 13 variables, 7 of them show statistically significant difference with the adoption decision at 1%, 5% and 10% level of significance depicted that sex headed household, TLU, family size; cooperative membership, extension service, total land size and education affected the likelihood of adoption of improved lentil varieties positively and significantly. The truncated model results were positively and significantly influenced the intensity of use of improved lentil varieties production in the study show that the level of adoption has significantly active labor force, TLU, family size and access to credit. Finally, the study recommends that, adoption and intensity of use of improved lentil varieties should be given due attention for enhanced by rising farm household asset formation, and providing extension and credit services.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusaria and other fungi taxa associated with rhizosphere and rhizoplane of lentil and sesame at different growth stages
Autorzy:
Abdel-Hafez, S.I.I.
Ismail, M.A.
Hussein, N.A.
Abdel-Hameed, N.A.
Tematy:
Fusarium
fungi
rhizosphere
rhizoplane
lentil
sesame
growth stage
Lens culinaris
Sesamum indicum
Pokaż więcej
Wydawca:
Polskie Towarzystwo Botaniczne
Powiązania:
https://bibliotekanauki.pl/articles/67219.pdf  Link otwiera się w nowym oknie
Opis:
Density and diversity of Fusarium species and other fungi associated with rhizosphere and rhizoplane of lentil and sesame plants at three different growth stages were investigated. Sixteen species of Fusarium were isolated from rhizosphere (13 species) and rhizoplane (11) of both plants studied. In lentil, 11 species were recorded from its rhizosphere (9 species) and rhizoplane (8). Fusarium species associated with lentil rhizoplane gave highest number of propagules at the first stage of plant growth while the ones of Fusarium associated with the rhizosphere produced the highest number at the second stage of growth. F. solani was the most common in the three growth stages. In addition, of two growth stages, F. culmorum and F. tricinctum were isolated from the rhizosphere while F. nygamai and F. verticillioides from the rhizoplane. The other species were recorded from only one growth stage of lentil plant. In sesame plants, rhizosphere yielded nine Fusarium species while rhizoplane gave only six from the three stages investigated. Stage I of sesame rhizosphere possessed the highest colony forming units of Fusarium. As the case for lentil, F. solani was the most common species in sesame rhizospere and rhizoplane. F. verticillioides and F. nygamai (in three different growth stages) followed by F. oxysporum and F. tricinctum (in two growth stages) were recorded using the dilution-plate and/or soil-plate methods from sesame rhizosphere soils. Rhizoplane Fusarium species of sesame plants were isolated at the three different growth stages with almost equal number of colony forming units. F. poae came after F. solani in its frequency since it was recovered from two growth stages. Several of the isolated species are well-known as pathogens to many cultivated plants. To the best of our knowledge, three species are recorded here for the first time in Egypt from the rhizosphere (F. acutatum), rhizoplane of sesame plants (F. longipes) and from rhizosphere of both lentil and sesame and rhizoplane of lentil (F. nygamai).
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 25

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