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Plant Date Hold in quality Several genotypes from the sun flower Helianthus annuus L. | ||
| Jornal of Al-Muthanna for Agricultural Sciences | ||
| Article 1, Volume 4, Issue 2, 2016, Pages 1-13 | ||
| Abstract | ||
| ABSTRACT The study was achieved during the spring season of 2014 in fields of the guiding farm of Al nejmy village which is located 43 kilometer north east of Al Samawa town in Al Muthanna county . The target of the study was the effect of genetic components and dates of spring planting on the yield , its components and the oil ratio of sunflower . The study included 45 experimental units working on two factors of three genotypes ( Flame , Tarsan 1018 and Gartago ) and five planting dates ( 1February , 15 February ,1March ,15 March , 1 April) . split plot desing was used three replicates . The results with showed supenonig of the genotype Tarsan 1018 in each of number of the seeds in the disk and harvest index at rate of 858.20 seeds and 40.31% . and the superiority of Flame in each of the 100 seed weight, yield plant , the percentage total yield and the oil at rates of 3.96 gram , 34.58 gram ,2.29 ton per hectare and 41.26 %. In planting dates , the second planting date is greater in the seed number in the disc average of 907.40 seeds without significant value than the 1/3date . which was 903.00 seeds. Superiority or the 1/3 date in weight of 100 seeds, yield of plant , total yield , harvest index and oil percentye in average as followed 4.63gram , 42.05gram, 2.79ton per hectare,43.34% and 41.99%. | ||
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