Yıl 2018, Cilt 2, Sayı 4, Sayfalar 124 - 130 2018-12-20

Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition

Manoj Kandel [1] , Surya Kant Ghimire [2] , Bishnu Raj Ojha [3] , Jiban Shrestha [4]

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Heat stress during the flowering, pollination and grain filling periods affect maize grain yield and its attributing  traits. Twenty maize inbred lines were evaluated in alpha lattice design with two replications under heat condition during spring season from February to June, 2016 at Rampur, Chitwan, Nepal. Meterological data showed maximum mean temperature (46.2–43.28ºC) and minimum (30.52-30.77ºC) in with relative humidity 37.05 to 49.45% inside the tunnel during in April-May which coincided with the flowering, pollination and grain filling periods. The data were analyzed statistically to study the correlation and path coefficient. The analysis of variance showed that all the lines were significantly different from each other for all traits anthesis silking interval, SPAD chlorophyll and leaf senescence, tassel blast, leaf firing, plant and ear height, leaf area index, ear per plant, cob length and diameter, number of kernel ear-1, number of kernel row-1, number of kernel row, silk receptivity, shelling percentage, thousand kernel weight and grain yield. Grain yield had positive and significant phenotypic correlation with silk receptivity, shelling percentage, cob length and diameter, number of kernel ear-1, number of kernel row-1, number of kernel row, SPAD chlorophyll, thousand kernel weight and significant and negative correlation with tassel blast, anthesis silking interval, leaf area index, leaf firing. Path analysis revealed that of thousand kernel weight, shelling percentage, number of kernel ear-1 and silk receptivity exerted maximum positive direct effect on grain yield. Therefore, selection of genotypes having maximum thousand kernel weight, shellingpercentage, silk receptivity and number of kernel ear-1 and shorter anthesis silking interval, no leaf firing and tassel blast is pre-requisite for attaining improvement in grain yield under heat stress condition.

Maize (Zea mays L.), Heat stress, Correlation, Path analysis, Coefficient
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Birincil Dil en
Konular Mühendislik, Ziraat
Dergi Bölümü Makaleler
Yazarlar

Orcid: 0000-0002-3929-0426
Yazar: Manoj Kandel (Sorumlu Yazar)
Kurum: Department of Genetics and Plant breeding, Agriculture and Forestry University (AFU), Rampur, Chitwan, Nepal
Ülke: Nepal


Orcid: 0000-0003-2880-3270
Yazar: Surya Kant Ghimire
Kurum: Department of Genetics and Plant breeding, Agriculture and Forestry University (AFU), Rampur, Chitwan, Nepal
Ülke: Nepal


Orcid: 0000-0003-1509-6220
Yazar: Bishnu Raj Ojha
Kurum: Department of Genetics and Plant breeding, Agriculture and Forestry University (AFU), Rampur, Chitwan, Nepal
Ülke: Nepal


Orcid: 0000-0002-3755-8812
Yazar: Jiban Shrestha
Kurum: Nepal Agricultural Research Council, National Commercial Agriculture Research Program, Pakhribas, Dhankuta, Nepal
Ülke: Nepal


Bibtex @araştırma makalesi { jaefs423539, journal = {International Journal of Agriculture, Environment and Food Sciences}, issn = {}, eissn = {2618-5946}, address = {Gültekin Özdemir}, year = {2018}, volume = {2}, pages = {124 - 130}, doi = {10.31015/jaefs.18021}, title = {Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition}, key = {cite}, author = {Ghimire, Surya Kant and Kandel, Manoj and Shrestha, Jiban and Ojha, Bishnu Raj} }
APA Kandel, M , Ghimire, S , Ojha, B , Shrestha, J . (2018). Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition. International Journal of Agriculture, Environment and Food Sciences, 2 (4), 124-130. DOI: 10.31015/jaefs.18021
MLA Kandel, M , Ghimire, S , Ojha, B , Shrestha, J . "Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition". International Journal of Agriculture, Environment and Food Sciences 2 (2018): 124-130 <http://dergipark.gov.tr/jaefs/issue/39110/423539>
Chicago Kandel, M , Ghimire, S , Ojha, B , Shrestha, J . "Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition". International Journal of Agriculture, Environment and Food Sciences 2 (2018): 124-130
RIS TY - JOUR T1 - Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition AU - Manoj Kandel , Surya Kant Ghimire , Bishnu Raj Ojha , Jiban Shrestha Y1 - 2018 PY - 2018 N1 - doi: 10.31015/jaefs.18021 DO - 10.31015/jaefs.18021 T2 - International Journal of Agriculture, Environment and Food Sciences JF - Journal JO - JOR SP - 124 EP - 130 VL - 2 IS - 4 SN - -2618-5946 M3 - doi: 10.31015/jaefs.18021 UR - http://dx.doi.org/10.31015/jaefs.18021 Y2 - 2018 ER -
EndNote %0 International Journal of Agriculture, Environment and Food Sciences Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition %A Manoj Kandel , Surya Kant Ghimire , Bishnu Raj Ojha , Jiban Shrestha %T Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition %D 2018 %J International Journal of Agriculture, Environment and Food Sciences %P -2618-5946 %V 2 %N 4 %R doi: 10.31015/jaefs.18021 %U 10.31015/jaefs.18021
ISNAD Kandel, Manoj , Ghimire, Surya Kant , Ojha, Bishnu Raj , Shrestha, Jiban . "Correlation and path coefficient analysis for grain yield and its attributing traits of maize inbred lines (Zea mays L.) under heat stress condition". International Journal of Agriculture, Environment and Food Sciences 2 / 4 (Aralık 2018): 124-130. http://dx.doi.org/10.31015/jaefs.18021