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Parametric analysis of yield stability and agronomic performance of exotic QPM hybrids in Pakistan

By: Issa, A.B.
Contributor(s): Maqbool, M.A | Khokhar, E.S | Anwar, M.W | Imtiaz, M | Saleem, S.
Material type: materialTypeLabelVisual materialAnalytics: Show analyticsPublisher: Mexico : CIMMYT, 2018Description: 1 page.Subject(s): Malnutrition | Grain yield | Agronomic characters | QPM | PakistanOnline resources: Access through Dspace Abstract: South Asia is one of the regions in Asia where chronic malnutrition affects nearly half of the pre- school children. In Pakistan almost 45% of children (<5 years) are reported to be stunted. To alleviate the problem of malnutrition in Pakistan, nine QPM hybrids were introduced from CIMMYT-Colombia and evaluated for yield and agronomic performance across different locations; (I) National Agricultural Research Centre (NARC), Islamabad, (II) Maize and Millets Research Institute (MMRI), Yousafwala, (III) Jullundhur Private Limited (JPL), Arifwala, (IV) Four Brothers Private Limited (4B), Lahore, (V) Tara Crop Sciences (TCS), Sahiwal and (VI) ICI Pakistan Limited (ICI)Sahiwal, and in different seasons (Spring-2014, Kharif-2014 & Spring-2015). Significant differences in the performance of QPM hybrids were observed across the locations and seasons for different agronomic and yield related traits. Mean comparison for grain yield evidently elaborated the differences in performance of hybrids across the locations. These statistical inferences showed that cross-over interactions were present between hybrids and locations therefore GGE comparison biplot analysis was used as multivariate statistical tool to dissect the genotype × environment interaction. Location, season and hybrids comparison GGE biplots were drawn. JPL, 4B and TCS during spring season were found most productive, representative and discriminating locations whereas MMRI during kharif season was found as least discriminating and low yielding location for these QPM hybrids. Seasonal comparison showed that spring season is more productive than kharif season for these QPM hybrids. Hybrid comparison showed that 1 (SA2146-38), 3 (SA2146-40), 4 (SA2146-75) and 2 (SA2146-39) hybrids were highly productive across the locations and across the seasons therefore commercialization of these QPM hybrids is recommended in Pakistan to combat malnutrition through direct and indirect consumption
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Conference poster Conference poster CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

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Open Access

Presented at Agricultural Innovation Program (AIP) for Pakistan.

South Asia is one of the regions in Asia where chronic malnutrition affects nearly half of the pre- school children. In Pakistan almost 45% of children (<5 years) are reported to be stunted. To alleviate the problem of malnutrition in Pakistan, nine QPM hybrids were introduced from CIMMYT-Colombia and evaluated for yield and agronomic performance across different locations; (I) National Agricultural Research Centre (NARC), Islamabad, (II) Maize and Millets Research Institute (MMRI), Yousafwala, (III) Jullundhur Private Limited (JPL), Arifwala, (IV) Four Brothers Private Limited (4B), Lahore, (V) Tara Crop Sciences (TCS), Sahiwal and (VI) ICI Pakistan Limited (ICI)Sahiwal, and in different seasons (Spring-2014, Kharif-2014 & Spring-2015). Significant differences in the performance of QPM hybrids were observed across the locations and seasons for different agronomic and yield related traits. Mean comparison for grain yield evidently elaborated the differences in performance of hybrids across the locations. These statistical inferences showed that cross-over interactions were present between hybrids and locations therefore GGE comparison biplot analysis was used as multivariate statistical tool to dissect the genotype × environment interaction. Location, season and hybrids comparison GGE biplots were drawn. JPL, 4B and TCS during spring season were found most productive, representative and discriminating locations whereas MMRI during kharif season was found as least discriminating and low yielding location for these QPM hybrids. Seasonal comparison showed that spring season is more productive than kharif season for these QPM hybrids. Hybrid comparison showed that 1 (SA2146-38), 3 (SA2146-40), 4 (SA2146-75) and 2 (SA2146-39) hybrids were highly productive across the locations and across the seasons therefore commercialization of these QPM hybrids is recommended in Pakistan to combat malnutrition through direct and indirect consumption

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