This study was carried out to investigated the variations of growth characteristic, yield component, oil content and fatty acid composition in 76 castor bean accessions. The results obtained are summarized as followed: 1. Stem length of Castor bean accessions ranged from 157.0 to 310.0cm with an ave...
This study was carried out to investigated the variations of growth characteristic, yield component, oil content and fatty acid composition in 76 castor bean accessions. The results obtained are summarized as followed: 1. Stem length of Castor bean accessions ranged from 157.0 to 310.0cm with an average of 241.5cm. Seed vessels per plant ranged from 2 to 66 with an average of 34. Seed numbers and seed weight per plant ranged from 78 to 2832 and 21.8g to 812g, respectively, with averages of 1331 and 359.5g, respectively. 2. Average of 100 seed and 1ℓ seed weight were 26.7g and 480g, respectively, and they ranged from 20.1 to 37.1g and from 389.1 to 531.0g, respectively. 3. Seed length ranged from 10.1mm to 14.9mm with an average of 12.4 mm. Seed width ranged from 4.8mm to 6.7mm with an average of 5.7 mm. 4. Average oil content was 47.8% with ranging from 41.4% to 52.2%. Saturated fatty acid, palmitic and stearic contents were 1.2% and 1.4%, respectively. Oleic, linoleic and linolenic contents of unsaturated fatty acid were 4.8%, 5.7% and 0.6%, respectively. It was observed that the main component of castor bean fatty acid was ricinoleic acid, which ranged from 82.5% to 88.7% with an average of 86.2%. 5. All of oil content, palmitic, stearic, oleic, linoleic and linoleinic acid showed negative correlation with unsaturated fatty acid, and positive correlation with saturated fatty acid. Ricinoleic acid showed negative correlation with saturated fatty acid, while positive correlation was observed with unsaturated fatty acid. Saturated fatty acid showed negative correlation with unsaturated fatty acid. 6. Most of castor bean accessions had high level of oil content(more than 50%) in replicated yield trial. Stem length ranged from 209cm to 248cm, and grain yield varied from 285.7kg/10a to 520kg/10a. 7. Finally, CCB57, CCB64, CCB68 and CCB69 were selected as high yield elite lines, while IT032142, IT104010, IT104993, IT162783, IT185824 and CCB57 were selected as high oil elite lines.
This study was carried out to investigated the variations of growth characteristic, yield component, oil content and fatty acid composition in 76 castor bean accessions. The results obtained are summarized as followed: 1. Stem length of Castor bean accessions ranged from 157.0 to 310.0cm with an average of 241.5cm. Seed vessels per plant ranged from 2 to 66 with an average of 34. Seed numbers and seed weight per plant ranged from 78 to 2832 and 21.8g to 812g, respectively, with averages of 1331 and 359.5g, respectively. 2. Average of 100 seed and 1ℓ seed weight were 26.7g and 480g, respectively, and they ranged from 20.1 to 37.1g and from 389.1 to 531.0g, respectively. 3. Seed length ranged from 10.1mm to 14.9mm with an average of 12.4 mm. Seed width ranged from 4.8mm to 6.7mm with an average of 5.7 mm. 4. Average oil content was 47.8% with ranging from 41.4% to 52.2%. Saturated fatty acid, palmitic and stearic contents were 1.2% and 1.4%, respectively. Oleic, linoleic and linolenic contents of unsaturated fatty acid were 4.8%, 5.7% and 0.6%, respectively. It was observed that the main component of castor bean fatty acid was ricinoleic acid, which ranged from 82.5% to 88.7% with an average of 86.2%. 5. All of oil content, palmitic, stearic, oleic, linoleic and linoleinic acid showed negative correlation with unsaturated fatty acid, and positive correlation with saturated fatty acid. Ricinoleic acid showed negative correlation with saturated fatty acid, while positive correlation was observed with unsaturated fatty acid. Saturated fatty acid showed negative correlation with unsaturated fatty acid. 6. Most of castor bean accessions had high level of oil content(more than 50%) in replicated yield trial. Stem length ranged from 209cm to 248cm, and grain yield varied from 285.7kg/10a to 520kg/10a. 7. Finally, CCB57, CCB64, CCB68 and CCB69 were selected as high yield elite lines, while IT032142, IT104010, IT104993, IT162783, IT185824 and CCB57 were selected as high oil elite lines.
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