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Screening Selected Linseed (Linum usitatissimum L.) Genotypes for Yield Performance in Sindh, Pakistan
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作者 Shoaib Gul Asghar Ali Rajper +5 位作者 Fahad Ali Kalhoro Shamir Ali Kalhoro Amjad Ali Fayaz Ali Shah Sajjad Raza Muneer Ahmed 《Natural Science》 2016年第2期53-65,共13页
The present study was carried out during the year 2013-14 on the screening of the selected linseed genotypes for yield performance in Sindh, Pakistan. The experiment was laid out at the experimental fields of Oilseeds... The present study was carried out during the year 2013-14 on the screening of the selected linseed genotypes for yield performance in Sindh, Pakistan. The experiment was laid out at the experimental fields of Oilseeds Section, Agriculture Research Institute, Tandojam in a three replicated randomized complete block design. Twelve linseed genotypes (L-53, C-W-2, Shikarpur 2, P<sup>-1</sup>6-4, L-8, 11<sup>-1</sup>06, Hala 3, L<sup>-1</sup>7, Santane, Summit, L<sup>-1</sup>0 and check llsi 90) were screened for their agronomic performance and correlations amongst yield and its contributing traits were calculated. The analysis of variance suggested significant (P < 0.05) variation among linseed genotypes for all the traits studied in this experiment. Most of the genotypes attained flowering and maturity earlier than the check variety;while P<sup>-1</sup>6-4 surpassed Ilsi-90 for primary branches;and most of the remaining genotypes were at par with the commercial check for primary branches. Genotype L<sup>-1</sup>0 surpassed the commercial check for capsules plant<sup>-1</sup> and L-8 was at par with the commercial check;while none of the genotypes could surpass commercial check variety for seed index, but 11<sup>-1</sup>06, Hala-3 and Summit also showed promising performance regarding the seed index. All the genotypes tested in this experiment such as L-53, C-W-2, Shikarpur 2, P<sup>-1</sup>6-4, L-8, 11<sup>-1</sup>06, Hala 3, L<sup>-1</sup>7, Santane, Summit, L<sup>-1</sup>0 surpassed the commercial check variety Ilsi-90 for seed yield plot<sup>-1</sup>. The correlation coefficient for yield and its contributing traits of linseed genotypes showed a positive and significant (P < 0.05) association for primary branches plant<sup>-1</sup> vs seed yield plant<sup>-1</sup> (r = 0.3334<sup>*</sup>), days to maturity vs spike length (r = 0.5384<sup>**</sup>), days to 75% flowering vs days to 90% maturity (r = 0.4073<sup>**</sup>), days to 75% flowering vs seed index (r = 0.4291<sup>**</sup>), days to 90% maturity vs seed index (r = 0.3973<sup>**)</sup> and seed index v/s seed yield plot<sup>-1</sup> (r = 0.5160<sup>**</sup>). Negative and significant (P < 0.05) association was observed for primary branches plant<sup>-1</sup> vs days to maturity (r = -0.368<sup>*</sup>), capsules plant<sup>-1</sup> vs days to maturity (r = -0.3567<sup>*</sup>), days to 90% maturity vs seed yield plant<sup>-1</sup> (r = -0.4156<sup>**</sup>) and days to 90% maturity vs seed yield plot<sup>-1</sup> (r = -0.3423<sup>*</sup>). The new genotypes possess the potential to become future varieties for general cultivation in Sindh province. 展开更多
关键词 selected linseed
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