1. influence of sowing dates on seed yield and quality of french bean (phaseolus vulgaris l.) varieties
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combination to study the genetic diversity of this crop. A Study to assess the usefulness of different
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2) Naturally, dormancy dissipated between 30-40 days after harvest, with maximum germination of 98.5% at 60 days after harvest.
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This document summarizes a study on the influence of different seed extraction methods on seed quality in leaf curl resistant tomato varieties. The study found that acid extraction with 2.5% HCl for 30 minutes and natural fermentation for 24 hours produced seeds with the highest germination rates above 90% and lowest mycoflora loads. Both methods showed similarly high seedling vigor and germination after accelerated aging. Extending acid extraction or fermentation times reduced seed quality. While variety did not significantly impact extraction method results, the susceptible variety Arka Vikas showed poorer storability.
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This study examined the effect of fruit picking stage on seed quality in tomato varieties resistant to leaf curl virus across different seasons. The results showed:
1) In kharif and rabi seasons, seeds from the third picking had the highest seed weight, seed-to-fruit ratio, germination percentage, and seedling vigor index, followed by the second and first pickings.
2) In the summer season, seeds from the second picking followed by the first picking recorded higher seed quality parameters compared to the third picking.
3) Across all seasons and varieties, seeds from earlier pickings (first, second, third) generally showed higher seed quality parameters compared to later pickings (fourth, fifth).
4. effect of planting seasons on seed yield and quality of tomato varieties r...
The study evaluated the effect of planting seasons and tomato varieties on seed yield and quality. It found that the rabi season produced significantly higher growth, fruit yield, and seed yield compared to kharif and summer seasons. The variety Vybav had the highest fruit yield across seasons but the lowest seed-fruit ratio, while Nandi yielded the highest seed per hectare during rabi season. All varieties showed no leaf curl infection in all seasons except Arka Vikas, which was 100% infected in summer. The results indicate that rabi season is best for seed production of the new leaf curl resistant tomato varieties Nandi, Sankranthi, and Vybav in Bangalore conditions.
3. sowing dates of foliar diseases in french bean j.a.hort.
The document discusses a 5 step process but provides no details on the actual steps or content of the process. It references 5 paragraphs but leaves the information in each paragraph undefined. In short, the document outlines a high-level structure with 5 parts but does not explain or elaborate on what each part entails.
6. influence of seed extraction methods on seed quality in leaf curl resistan...
This document summarizes a study on the influence of different seed extraction methods on seed quality in leaf curl resistant tomato varieties. The study found that acid extraction with 2.5% HCl for 30 minutes and natural fermentation for 24 hours produced seeds with the highest germination rates above 90% and lowest mycoflora loads. Both methods showed similarly high seedling vigor and germination after accelerated aging. Extending acid extraction or fermentation times reduced seed quality. While variety did not significantly impact extraction method results, the susceptible variety Arka Vikas showed poorer storability.
5. effect of stage of fruit pickings on seed quality in leaf curl resistant t...
This study examined the effect of fruit picking stage on seed quality in tomato varieties resistant to leaf curl virus across different seasons. Seeds from earlier pickings (1st-3rd) generally showed higher seed quality parameters like weight, germination, and vigor index compared to later pickings (4th-5th). Specifically, the 3rd picking yielded the highest quality seeds in kharif and rabi seasons, while the 2nd picking performed best in summer. Across varieties and seasons, seeds from the 3rd picking consistently demonstrated maximum 1000 seed weight, germination percentage, seedling length and vigor index. Therefore, fruits from earlier pickings are best suited for seed production due to their superior seed quality, while later pick
4. effect of planting seasons on seed yield and quality of tomato varieties r...
The study evaluated the effect of planting seasons and tomato varieties on seed yield and quality. It found that the rabi season produced significantly higher growth, fruit yield, and seed yield compared to kharif and summer seasons. The variety Nandi recorded the highest seed yield during rabi season. Leaf curl infection was nil for varieties Nandi, Sankranthi, and Vybav across all seasons, while Arka Vikas showed 100% infection in summer. In conclusion, rabi season was determined to be best for seed production of the new leaf curl resistant tomato varieties in Bangalore conditions.
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This document summarizes research on the efficacy of the fungicide Thifluzamide against rice sheath blight caused by Rhizoctonia solani. Field trials from 2005-2009 found that two applications of Thifluzamide at 90-110g ai/ha effectively reduced disease severity and increased yield compared to the untreated control. Residue analysis also found Thifluzamide and its metabolites below quantifiable limits at the tested doses, indicating it breaks down safely. Thifluzamide is proposed as an effective new fungicide that can be integrated into sheath blight resistance management programs.
19. identification of tomato (lycopersicon esculentum) varieties through tota...
This document summarizes a study that identified tomato varieties through analysis of their total soluble seed proteins. Researchers extracted proteins from seeds of 24 tomato varieties and separated the proteins using gel electrophoresis. The varieties showed variation in their protein banding patterns and intensities, allowing differentiation of the varieties. Some varieties exhibited more protein bands than others. Through comparison of the banding patterns, each variety showed a unique protein profile that distinguished it from the other varieties. This protein analysis provides a method for identifying tomato varieties that is difficult to do based on morphological characteristics alone due to extensive breeding.
18. identification of ssr markers for hybridity and seed genetic purity
This document summarizes a study that identified SSR markers for distinguishing sunflower hybrids from their parental lines. Researchers screened 58 SSR primer pairs on 5 hybrids and their parental lines. They identified two SSR markers, ORS 309 and ORS 170, that can distinguish hybrid KBSH-44 based on complementary banding patterns between the hybrid and its parents. Another marker, ORS 811, was found to specifically identify hybrid KBSH-53. The identified SSR markers provide a tool for assessing genetic purity of these hybrids by detecting the presence of both parental alleles.
17. prediction of storability of different seed size grades of french bean
This study evaluated the effect of seed size on seed quality parameters in two French bean varieties after artificial aging. Seeds were graded into sizes of bulk, 4.50mm, 4.75mm, and 5.00mm. Larger seeds of 5.00mm showed significantly better germination, seedling length, vigor index, and enzyme activity compared to smaller seeds after aging. The highest electrical conductivity was found in smaller seeds. Both varieties showed improved seed quality with increasing seed size, with Burpee stringless performing better overall. Larger seeds demonstrated superior storability and quality maintenance after aging.
16. varietal characterization of tomato cultivars based on rapd markers
This study characterized 24 tomato cultivars using RAPD markers. Eleven primers produced 100 bands, of which 89.39% were polymorphic. Each cultivar had unique DNA sequences not found in others. The primers OPC-02, OPC-19, OPD-19, OPD-18 and OPC-08 generated the most unique bands, producing 13 unique bands among 10 cultivars. The combination of OPB-10 with either OPC-19 or OPB-08 was sufficient to identify all 24 tomato cultivars.
14. study on occurrence and safe removal of dormancy in sunflower
This study examined seed dormancy in sunflower (Helianthus annuus L.) and methods for its safe removal. The study found:
1) Sunflower seeds exhibited dormancy in the early stages of maturation, with germination increasing from 2% at 30 days after pollination to 16% at 40 days.
2) Naturally, dormancy dissipated between 30-40 days after harvest, with maximum germination of 98.5% at 60 days after harvest.
3) For removing dormancy, soaking seeds in water for 24 hours resulted in the highest germination of 82%, followed by dry heating at 80C for 10 minutes which achieved 81% germination.
11. physiological maturity studies in phyllanthus amarus
The study examined physiological maturity in Phyllanthus amarus, an important medicinal plant. Seeds reached maximum dry weight of 136g at 55 days after anthesis, with a moisture content of 27.65%, germination rate of 88%, and highest vigor index, indicating the crop had reached physiological maturity. Harvesting of P. amarus for seed purposes under Bangalore conditions should occur around 55 days after anthesis to obtain higher seed yield and quality.
10. influence of accelerated ageing on total soluble seed protein profiles of...
This study investigated the effects of accelerated aging on total soluble seed protein profiles in tomato seeds. Tomato seeds were aged for 0-9 days and evaluated for germination and vigor. Germination and vigor declined with increased aging. Protein profiles were analyzed using SDS-PAGE. The study found that as aging increased, band intensity declined, bands were lost, and some bands degraded into lower molecular weight subunits. However, little variation was observed in protein profiles up to 3 days of aging, which corresponded to 41% germination. This suggests that seed lots with slight declines in germination or vigor below certification standards could still be used for varietal characterization or genetic purity testing via protein profiling, but not severely aged lots below 50% ger
9. identification of rice hybrids and their parental lines based on
This document summarizes a study that identified three rice hybrids and their parental lines using various characteristics. Seed color, size, weight, and chemical tests including phenol, sodium hydroxide, and growth regulators partially distinguished the genotypes. No single test identified all genotypes. However, electrophoresis of total soluble seed proteins using SDS-PAGE clearly differentiated each genotype based on protein banding patterns, providing a powerful identification tool.
8. improved germination of gymnacranthera canarica warb. an
This document discusses methods to improve the germination of Gymnacranthera canarica, an endangered tree species in Western Ghats, India. Seed viability was found to be 98% but initial germination was only 40%, indicating dormancy. Treatments tested included seed coat removal, gibberellic acid (GA3), and indole-3-acetic acid (IAA). Seed coat removal alone increased germination to 60%. GA3 at 100 ppm with partial seed coat removal resulted in the highest germination of 79%. Higher or lower GA3 concentrations were less effective. IAA treatments did not significantly improve germination. Boiling water and cold treatments showed no germination. The results provide a method
6. influence of seed extraction methods on seed quality in leaf curl resistan...
This document summarizes a study on the influence of different seed extraction methods on seed quality in leaf curl resistant tomato varieties. The study found that acid extraction with 2.5% HCl for 30 minutes and natural fermentation for 24 hours produced seeds with the highest germination rates above 90% and lowest mycoflora loads. Both methods showed similarly high seedling vigor and germination after accelerated aging. Extending acid extraction or fermentation times reduced seed quality. While variety did not significantly impact extraction method results, the susceptible variety Arka Vikas showed poorer storability.
5. effect of stage of fruit pickings on seed quality in leaf curl resistant t...
This study examined the effect of fruit picking stage on seed quality in tomato varieties resistant to leaf curl virus across different seasons. The results showed:
1) In kharif and rabi seasons, seeds from the third picking had the highest seed weight, seed-to-fruit ratio, germination percentage, and seedling vigor index, followed by the second and first pickings.
2) In the summer season, seeds from the second picking followed by the first picking recorded higher seed quality parameters compared to the third picking.
3) Across all seasons and varieties, seeds from earlier pickings (first, second, third) generally showed higher seed quality parameters compared to later pickings (fourth, fifth).
4. effect of planting seasons on seed yield and quality of tomato varieties r...
The study evaluated the effect of planting seasons and tomato varieties on seed yield and quality. It found that the rabi season produced significantly higher growth, fruit yield, and seed yield compared to kharif and summer seasons. The variety Vybav had the highest fruit yield across seasons but the lowest seed-fruit ratio, while Nandi yielded the highest seed per hectare during rabi season. All varieties showed no leaf curl infection in all seasons except Arka Vikas, which was 100% infected in summer. The results indicate that rabi season is best for seed production of the new leaf curl resistant tomato varieties Nandi, Sankranthi, and Vybav in Bangalore conditions.
3. sowing dates of foliar diseases in french bean j.a.hort.
The document discusses a 5 step process but provides no details on the actual steps or content of the process. It references 5 paragraphs but leaves the information in each paragraph undefined. In short, the document outlines a high-level structure with 5 parts but does not explain or elaborate on what each part entails.
6. influence of seed extraction methods on seed quality in leaf curl resistan...
This document summarizes a study on the influence of different seed extraction methods on seed quality in leaf curl resistant tomato varieties. The study found that acid extraction with 2.5% HCl for 30 minutes and natural fermentation for 24 hours produced seeds with the highest germination rates above 90% and lowest mycoflora loads. Both methods showed similarly high seedling vigor and germination after accelerated aging. Extending acid extraction or fermentation times reduced seed quality. While variety did not significantly impact extraction method results, the susceptible variety Arka Vikas showed poorer storability.
5. effect of stage of fruit pickings on seed quality in leaf curl resistant t...
This study examined the effect of fruit picking stage on seed quality in tomato varieties resistant to leaf curl virus across different seasons. Seeds from earlier pickings (1st-3rd) generally showed higher seed quality parameters like weight, germination, and vigor index compared to later pickings (4th-5th). Specifically, the 3rd picking yielded the highest quality seeds in kharif and rabi seasons, while the 2nd picking performed best in summer. Across varieties and seasons, seeds from the 3rd picking consistently demonstrated maximum 1000 seed weight, germination percentage, seedling length and vigor index. Therefore, fruits from earlier pickings are best suited for seed production due to their superior seed quality, while later pick
4. effect of planting seasons on seed yield and quality of tomato varieties r...
The study evaluated the effect of planting seasons and tomato varieties on seed yield and quality. It found that the rabi season produced significantly higher growth, fruit yield, and seed yield compared to kharif and summer seasons. The variety Nandi recorded the highest seed yield during rabi season. Leaf curl infection was nil for varieties Nandi, Sankranthi, and Vybav across all seasons, while Arka Vikas showed 100% infection in summer. In conclusion, rabi season was determined to be best for seed production of the new leaf curl resistant tomato varieties in Bangalore conditions.
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19. identification of tomato (lycopersicon esculentum) varieties through tota...
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18. identification of ssr markers for hybridity and seed genetic purity
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17. prediction of storability of different seed size grades of french bean
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16. varietal characterization of tomato cultivars based on rapd markers
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14. study on occurrence and safe removal of dormancy in sunflower
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12. a report on seed abnormality in gymnacanthera farquhariana hook f. and th...
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11. physiological maturity studies in phyllanthus amarus
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10. influence of accelerated ageing on total soluble seed protein profiles of...
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9. identification of rice hybrids and their parental lines based on
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8. improved germination of gymnacranthera canarica warb. an
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7. standardization of screen sizes for french bean seed processing
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6. influence of seed extraction methods on seed quality in leaf curl resistan...
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5. effect of stage of fruit pickings on seed quality in leaf curl resistant t...
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4. effect of planting seasons on seed yield and quality of tomato varieties r...
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3. sowing dates of foliar diseases in french bean j.a.hort.
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6. influence of seed extraction methods on seed quality in leaf curl resistan...
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