Provenance Effect on Seed Quality, Storability, Subsequent Growth and Yield in Sorghum (Sorghum Bicolor L.) Moench PDF Download
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Author: YOGISHA SHANBHOGUE M
Publisher:
ISBN:
Category :
Languages : en
Pages : 212
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Author: YOGISHA SHANBHOGUE M
Publisher:
ISBN:
Category :
Languages : en
Pages : 212
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Author: Cilas P. Camargo
Publisher:
ISBN:
Category : Sorghum
Languages : en
Pages : 150
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Hybrid grain sorghum seeds were aged artifically for 0, 3, 5, 7, and 11 days at 42oC and 100% RH, wich produced high, medium, low and lowest vigor level. Among the various laboratory tests performed, standard germination and field mergence, were the least sensitive in discerning the physiological condition of the seed lots. The speed of germination more accurately differentiated the degree of deterioration of the seed lots and was closety correlated to yield. Adverse effect of planting low vigor seeds was found to be related to plant height, panicle exsertion, anthesis, tillering capacity, length of the panicle, and yield. Less vigours seeds produced plants which were not able to "catch up" to the vigorous ones. These slow growing plants were significantly inferior in panicle exsertion to those produced from more vigorous seeds. Seeds aged for 7 and 11 days had their process of exsertion delayed for about 2 and 3 days, respectively. Anthesis, conseguently, was also significantly retarded. Tillering capacity of plants produced from low vigor seeds was significantly reduced, as well as grain yield. Primary head yield was also significantly reduced about 14% for the more deteriorated seeds, and 12% for the mixed treatment, as compared to the control. Yield reductions of 9, 4, and 3% were also detected in seeds aged for 7, 5, and 3 days, respectively, as compared to the check. Seed moisture content generally increases as the vigor level decreased, indicating that the process of maturation was delayed as a (...).
![Effect of Seed Treatments and Containers on Quality and Storability of Sorghum [Sorghum Bicolor (L.) Moench ] Seed [With CD Copy] PDF](https://books.google.com/books/content/images/frontcover/UxIeygEACAAJ?fife=w80-h100)
Author: Bittu Ram
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ISBN:
Category :
Languages : en
Pages : 92
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Author: Kirby William Huffman
Publisher:
ISBN:
Category : Seeds
Languages : en
Pages : 162
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Author: Ahmed A. Aziz
Publisher:
ISBN:
Category : Seeds
Languages : en
Pages : 160
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Author: Mallikarjun Sherakhane
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ISBN:
Category :
Languages : en
Pages : 76
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![Effects of Chemical Seed Treatments on Sorghum [Sorghum Bicolor (L.) Moench] Seed Germination Initially and During Storage PDF](https://books.google.com/books/content/images/frontcover/nw2aNwAACAAJ?fife=w80-h100)
Author: Yupa Ratanavipulya
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ISBN:
Category : Germination
Languages : en
Pages : 118
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Author: Raad Muhsin Muttar Al-Molla
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ISBN:
Category :
Languages : en
Pages : 224
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Author: Danny Harold Smith
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Category :
Languages : en
Pages : 328
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Author: A.S. Goggi
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ISBN:
Category :
Languages : en
Pages : 89
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Seeds of seven hybrid and open pollinated sorghum cultivars were separated with sucrose density solutions into four specific gravity (SG) classes for studies on the effects of seed SG on field performance. The seeds were planted at different densities to provide three levels of competition: "normal" planting density; one high and one low SG seeds in the same hill; and single seeds in widely spaced hills, no competition. There were no differences among the high, medium-low and unseparated (control) seed SG treatments for emergence, vegetative and reproductive development for the normal density plantings. Yield, however, was significantly lower for plants of the unseparated (control) seeds as compared to the SG separated seeds. When high and low SG seeds were planted in the same hill, emergence of the high SG seeds was higher and they produced more vigorous plants that produced more tillers, matured earlier and yielded more as compared to those from low SG seeds. In the case of high and low SG seeds planted at non-competitive spacing, emergence, plant height, number of tillers and yield were higher and the number of days to panicle exsertion and anthesis were fewer for the plants from the high SG seeds as compared to those from the low SG seeds. Priming of high SG seeds did not enhance plant performance above the level of the high SG unprimed seeds. Seed SG was greatly affected by the degreee of weathering and immaturity. As the degree of weathering or immaturity increased, the percentages of seeds in the two highest SG classes sharply declined, while those for the two lowest SG classes sharply increased. Seeds from the intense weathering treatments exhibited cavitation and profuse fungal growth in the placental sac area and in the embryo. Similar cavitation was observed in seeds from the immaturity treatments. Differences in the speed of germination among the unweathered, mature, high SG seeds appeared to be related to differences in permeability of the pericarp to water and/or oxygen.
