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- Seed and Seedling Biology
- Seed Germination and Seedling Growth
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The aim of this study was to investigate the effects of music on lettuce and alfalfa seed germination and seedling growth. For the duration of the study, music was played for 12 hours each day for seven days.
Results showed that a significantly lower number of alfalfa seeds germinated in the rock music treatment. In contrast, the highest percentage of alfalfa seeds germinated in treatments with music was those in the classical, nature sound, and waltz treatments.
In lettuce seedlings, significantly longer radicles were observed in the Gregorian chant, new-age, and waltz treatments compared to the control, whereas no such effects were evident in alfalfa seedlings.
Significantly longer lettuce hypocotyls were found in Gregorian chant, jazz, nature sound, new-age, and waltz music treatments. Of these, although exposure to jazz and nature sound significantly promoted the growth of lettuce hypocotyls, the growth of alfalfa hypocotyls was inhibited under identical conditions. Lettuce seedlings grown in Gregorian chant, new-age, and waltz music produced both significantly longer radicles and hypocotyls, and are suitable to be used as an alternative method to improve seedling growth and development.
Chivukula, V. Effect of different types of music on Rosa chinensis plants. International Journal of Environmental Science and Development, 5 5 , — Chowdhury, A. Effect of music on plants — An overview. Chowdhury, M. Update on the effects of sound wave on plants. Research in Plant Disease, 20, 1—7. Coghlan, A.
Good vibrations give plants excitations. Creath, K. Measuring effects of music, noise, and healing energy using a seed germination bioassay.
Journal of Alternative and Complementary Medicine, 10 1 , — Ekici, N. The effects of different musical elements on root growth and mitosis in onion Allium cepa root apical meristem musical and biological experimental study. Asian Journal of Plant Sciences, 6, — Gagliano, M. Green symphonies: A call for studies on acoustic communication in plants. Behavioral Ecology, 24 4 , — Tuned in: plant roots use sound to locate water. Oecologia, , — Towards understanding plant bioacoustics.
Trends in Plant Science, 17 6 , — Out of sight but not out of mind: Alternative means of communication in plants. Haswell, E. Mechanosensitive channels: What can they do and how do they do it? Structure, 19 10 , — Hendrawan, Y. The effect of Javanese gamelan music on the growth of Chinese broccoli. Pertanika Journal of Science and Technology, 28 1 , 69— Jung, J.
Beyond chemical triggers: Evidence for sound-evoked physiological reactions in plants. Frontiers in Plant Science, 9 25 , 1—7. Laad, M. The influence of sounds of stringed instruments on growth of medicinal plant Trigonella foenum graecum Family Fabaceae.
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Journal of Experimental Botany, 67 15 , — The influence of music on seed germination of Beta vulgaris L. Cicla L. Journal of Young Scientist, V, 67— Ramekar, U. Emperical study for effect of music on plant growth. Coimbatore: IEEE. Reddy K. Classical ragas: A new protein supplement in plants. Indian Journal of Life Sciences, 3 1 , 97— Singh, A. Effect of sound on plant growth. Asian Journal of Plant Science and Research, 3 4 , Teixeira da Silva, J.
Sonication and ultrasound: Impact on plant growth and development. Plant Cell, Tissue and Organ Culture, , — Vanol, D. Effect of types of sound music and noise and varying frequency on growth of guar or cluster bean cyamopsis tetragonoloba seed germination and growth of plants. Quest, 2 3 , 9— Article Tools Print this article.
Indexing metadata. How to cite item. Supplementary files. Finding References. Email this article Login required. Email the author Login required. Supported by. User Username Password Remember me. Notifications View Subscribe. Visitors Free online Counter. Journal Help. Abstract The aim of this study was to investigate the effects of music on lettuce and alfalfa seed germination and seedling growth. Keywords Hypocotyl; Music; Radicle; Seed germination. Full Text: PDF. References Chivukula, V.
Seed and Seedling Biology
A series of seed priming experiments were conducted to test the effects of different pretreatment methods to seed germination, seedling growth, and seed yield traits in maize Zea mays L. Results indicated that the seeds primed by gibberellins GA , NaCl, and polyethylene glycol PEG reagents showed a higher imbibitions rate compared to those primed with water. The final germination percentage and germination rate varied with different reagents significantly. The shoot biomass of seedlings after presoaking the seeds with NaCl reagent was significantly higher than the seedlings without priming treatment. No significant differences of plant height, leaf number, and hundred-grain weight were observed between control group and priming treatments.
Noticeable differences in germination indices and seedling growth particularly root growth and fresh weights were observed in a dose-dependent manner. Our findings suggest that garlic allelochemicals act as plant biostimulants to enhance auxin biosynthesis and transportation, resulting in root growth promotion. Additionally, the relative expressions of defense-related genes, antioxidant enzymes activities and phytohormonal regulations indicate activation of the defense responses in tomato seedlings resulting in better growth and development. These results, thus, provide a basis to understand the biological functions of garlic allelochemicals from the induced resistance perspective in plants. To cope with the constantly changing environment, agricultural practices are revolutionized continuously, introducing genetically modified crops, fertilizers, pesticides, fungicides, plant growth regulators, and so on. Their benefits, however, do come at a cost, wherein some are laborious and expensive to practice, while others are considered hazardous from consumer health and environmental safety perspectives on a long-term basis [ 1 , 2 , 3 , 4 ].
Time after sowing. Fig. 1. The standard triphasic pattern of water uptake by germinating seeds. made. On analysis of the metabolic pattern, it was confirmed that.
Seed Germination and Seedling Growth
Vermicompost tea, an aqueous extract of vermicompost, may contain a series of bioactive molecules as well as microbial populations derived from the parent material, which may be enhanced during the production of extracts Edwards et al. Although there is still insufficient information on the chemical and biological properties of vermicompost extracts, water-extractable mineral nutrients and biologically active metabolites such as humic acids as well as plant growth regulators present in vermicompost would be extracted during the brewing cycle Arancon et al. These compounds may enhance initial root development, nutrient uptake, and plant growth.
Plant Growth Substances pp Cite as. Appropriate environmental conditions such as available water, proper temperature, oxygen, and, in some cases, light must be supplied. Unable to display preview. Download preview PDF. Skip to main content.
This study was conducted to evaluate the effect of metals on wheat and bean species. The inhibition caused by these metals was depending on the concentration used, the metal itself and the plant species. The species had reduced seed germination, root and shoot lengths, tolerance index and percentphyto-toxicity with increasing concentrations of metals. Cadmium was determined to be the most inhibitory metal on these parameters. The results showed also that the inhibitory effect of increase of Zn levels was seen in root, shoot and tolerance indices.
Maize is susceptible to drought stress, especially during germination. The experiment of seed germination and seedling growth of two maize varieties under different concentration of mannitol solution was carried out. Four mannitol concentrations were set: 0, , and mM, and the corresponding solution osmotic potential was: 0, Results indicated that Zhengdan germinated more quickly and in greater numbers than Liansheng The germination rate, germination potential, shoot and root fresh weight, shoot and root length of two maize varieties both decreased under drought stress, but they decreased more in Liansheng15 than in Zhengdan However, the germination and vigor index of Zhengdan were obviously higher than that of Liansheng15 under the stress of , and mM mannitol.
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The aim of this study was to investigate the effects of music on lettuce and alfalfa seed germination and seedling growth. For the duration of the study, music was played for 12 hours each day for seven days. Results showed that a significantly lower number of alfalfa seeds germinated in the rock music treatment. In contrast, the highest percentage of alfalfa seeds germinated in treatments with music was those in the classical, nature sound, and waltz treatments. In lettuce seedlings, significantly longer radicles were observed in the Gregorian chant, new-age, and waltz treatments compared to the control, whereas no such effects were evident in alfalfa seedlings. Significantly longer lettuce hypocotyls were found in Gregorian chant, jazz, nature sound, new-age, and waltz music treatments. Of these, although exposure to jazz and nature sound significantly promoted the growth of lettuce hypocotyls, the growth of alfalfa hypocotyls was inhibited under identical conditions.
Switchgrass is a perennial C4 plant with great potential as a bioenergy source and, thus, a high demand for establishment from seed. This research investigated the effects of ultrasound treatment on germination and seedling growth in switchgrass. Using an orthogonal matrix design, conditions for the ultrasound pretreatment in switchgrass seed, including sonication time factor A , sonication temperature factor B and ultrasound output power factor C , were optimized for germinating and stimulating seedling growth indicated as plumular and radicular lengths through modeling analysis. The results indicate that sonication temperature B was the most effective factor for germination, whereas output power C had the largest effect on seedling growth when ultrasound treatment was used. Combined with the analyses of range, variance and models, the final optimal ultrasonic treatment conditions were sonication for For this study, the orthogonal matrix design was an efficient method for optimizing the conditions of ultrasound seed treatment on switchgrass.
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Salinity is a major constraint in crop production in saline prone areas of Bangladesh. Therefore, a study was carried out in order to investigate the effect of different levels of NaCl salinity stress on seed germination and seedling growth of tomato. Seeds were placed in petridish for germination and the seedlings were allowed to grow for ten days. Results showed that percent seed germination decreased with increasing salt concentration in the germinating media.
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Постараюсь быть краткой, - улыбнулась Сьюзан Флетчер. - Пожалуйста. Через десять минут Беккер уже сидел в буфете АНБ, жуя сдобную булку и запивая ее клюквенным соком, в обществе очаровательной руководительницы Отделения криптографии АНБ. Ему сразу же стало ясно, что высокое положение в тридцать восемь лет в АНБ нельзя получить за красивые глаза: Сьюзан Флетчер оказалась одной из умнейших женщин, каких ему только доводилось встречать. Обсуждая шифры и ключи к ним, он поймал себя на мысли, что изо всех сил пытается соответствовать ее уровню, - для него это ощущение было новым и оттого волнующим.
Ложь была единственным способом избавить тебя от неприятностей. Сьюзан кивнула. - А неприятности немалые.
На такой риск вы не пойдете. Сьюзан было запротестовала, но Стратмор не дал ей говорить. - Вы меня не знаете, молодой человек. Я рисковал всю свою жизнь. Хотите меня испытать.
ШИФРОВАЛКА - ПРОИЗВОДИТЕЛЬНОСТЬРАСХОДЫ Настроение его сразу же улучшилось. Мидж оказала ему настоящую услугу: обработка отчета шифровалки, как правило, не представляла собой никаких трудностей. Конечно, он должен был проверить все показатели, но единственная цифра, которая по-настоящему всегда интересовала директора, - это СЦР, средняя цена одной расшифровки. Иными словами, СЦР представляла собой оценочную стоимость вскрытия ТРАНСТЕКСТОМ одного шифра.
Миллиард долларов. Мидж хмыкнула.