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Bakhshi, Behnam, Amiri Oghan, Hassan, Alizadeh, Bahram, Rameeh, Valiollah, Payghamzadeh, Kamal, Kiani, Davood, Rabiee, Mohammad, Rezaizad, Abbas, Shiresmaeili, Gholamhossein, Dalili, Alireza, Kia, Shahriar. (1399). Identification of Promising Oilseed Rape Genotypes for the Tropical Regions of Iran Using Multivariate Analysis. , 1(1), 11-18. doi: 10.22126/etic.2021.6242.1003
Behnam Bakhshi; Hassan Amiri Oghan; Bahram Alizadeh; Valiollah Rameeh; Kamal Payghamzadeh; Davood Kiani; Mohammad Rabiee; Abbas Rezaizad; Gholamhossein Shiresmaeili; Alireza Dalili; Shahriar Kia. "Identification of Promising Oilseed Rape Genotypes for the Tropical Regions of Iran Using Multivariate Analysis". , 1, 1, 1399, 11-18. doi: 10.22126/etic.2021.6242.1003
Bakhshi, Behnam, Amiri Oghan, Hassan, Alizadeh, Bahram, Rameeh, Valiollah, Payghamzadeh, Kamal, Kiani, Davood, Rabiee, Mohammad, Rezaizad, Abbas, Shiresmaeili, Gholamhossein, Dalili, Alireza, Kia, Shahriar. (1399). 'Identification of Promising Oilseed Rape Genotypes for the Tropical Regions of Iran Using Multivariate Analysis', , 1(1), pp. 11-18. doi: 10.22126/etic.2021.6242.1003
Bakhshi, Behnam, Amiri Oghan, Hassan, Alizadeh, Bahram, Rameeh, Valiollah, Payghamzadeh, Kamal, Kiani, Davood, Rabiee, Mohammad, Rezaizad, Abbas, Shiresmaeili, Gholamhossein, Dalili, Alireza, Kia, Shahriar. Identification of Promising Oilseed Rape Genotypes for the Tropical Regions of Iran Using Multivariate Analysis. , 1399; 1(1): 11-18. doi: 10.22126/etic.2021.6242.1003

Identification of Promising Oilseed Rape Genotypes for the Tropical Regions of Iran Using Multivariate Analysis

Agrotechniques in Industrial Crops
دوره 1، شماره 1، خرداد 2021، صفحه 11-18    اصل مقاله (502.13 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22126/etic.2021.6242.1003
نویسندگان
Behnam Bakhshi1؛ Hassan Amiri Oghan* 2؛ Bahram Alizadeh2؛ Valiollah Rameeh3؛ Kamal Payghamzadeh4؛ Davood Kiani5؛ Mohammad Rabiee6؛ Abbas Rezaizad7؛ Gholamhossein Shiresmaeili8؛ Alireza Dalili9؛ Shahriar Kia4
1Horticulture Crops Research Department, Sistan Agricultural and Natural Resources Research and Education Center, AREEO, Zabol, Iran
2Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization, AREEO, Karaj, Iran
3Horticulture Crops Research Department, Mazanderan Agricultural and Natural Resources Research and Education Center, AREEO, Sari, Iran
4Horticulture Crops Research Department, Golestan Agricultural and Natural Resources Research and Education Center, AREEO, Gorgan, Iran
5Horticulture Crops Research Department, Boshehr Agricultural and Natural Resources Research and Education Center, AREEO, Borazjan, Iran
6Rice Research Institute of Iran, Agricultural Research, Education and Extension Organization, AREEO, Rasht, Iran
7Horticulture Crops Research Department, Kermanshah Agricultural and Natural Resources Research and Education center, AREEO, Kermanshah, Iran
8Horticulture Crops Research Department, Esfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran
9Plant Protection Research Department, Mazanderan Agricultural and Natural Resources Research and Education Center, AREEO, Sari, Iran
چکیده
Releasing new adapted oilseed rape cultivars among the available resources of rapeseed would be a valuable method to increase the cultivar diversity in the tropical regions. Low adaptable and high yield cultivars resources of oilseed rapes are now available in the tropical regions of Iran. The current research aimed to identify new high yield and adaptable genotypes adaptable across various tropical regions. To this end, 20 new genotypes and a check variety (Dalgan) were cultivated in the five tropical regions of Iran based on a randomized complete block design (RCBD) with three replications during the 2019 to 2020 cropping season. The experimental sites are composed of five locations in Iran, including Gorgan, Sari, Rasht, Borazjan and Zabol. During the growth season, several phenological and quantitative traits were recorded. Combined ANOVA revealed significant genotype by environment interaction for all studied quantitative traits. Days to start flowering and days to end flowering showed the highest heritability. Correlation analysis showed a significant positive relationship between yield and flowering period, the number of sub-branches and also the number of pods per plant, but a negative and significant correlation with the days to maturity. Path analysis showed that the days to maturity had the most negative direct effect on yield and the days to start flowering, while the number of sub-branches had the most positive direct effect on yield. Canonical correlation showed that yield is correlated positively with phenological traits. The principal component analysis showed that the two first components covered 68.07% of all data variations which 12 genotypes were correlated with these two components. Cluster analysis categorized evaluated genotypes into three main groups. Finally, eight genotypes were selected in the current study, which had high yield and adaptability in the tropical regions of Iran.

تازه های تحقیق
  • Flowering and maturity date highly affected the yield of oilseed rape genotypes cultivated in tropical regions of Iran.
  • Days to start flowering and days to end flowering showed the highest heritability in oilseed rape genotypes.
  • Eight promising oilseed rape genotypes were detected using bi-plot and cluster analysis,
  • Number of sub-branches and days to maturity had the most positive and negative correlation on yield, respectively.
  • Two first principal components covered 68.07% of variations related to superior genotypes.
کلیدواژه‌ها
Brassica napus؛ Correlation؛ Cluster analysis and path analysis؛ Oilseed rape
مراجع

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