Genotype x environment interactions for grain iron and zinc content in rice

被引：21

作者：

Naik, Shilpa M. ^{[1
]}

Raman, Anitha K. ^{[1
]}

Nagamallika, Minnuru ^{[1
]}

Venkateshwarlu, Challa ^{[1
]}

Singh, Suresh Prasad ^{[2
]}

Kumar, Santosh ^{[3
]}

Singh, Shravan Kumar ^{[4
]}

Ahmed, Tomizuddin ^{[5
]}

Das, Sankar Prasad ^{[6
]}

Prasad, Krishna ^{[7
]}

Izhar, Tajwar ^{[7
]}

Mandal, Nimmai P. ^{[8
]}

Singh, Nitendra Kumar ^{[9
]}

Yadav, Shailesh ^{[10
]}

Reinke, Russell ^{[10
]}

Swamy, Ballagere Prabhu Mallikarjuna ^{[10
]}

Virk, Parminder ^{[11
]}

Kumar, Arvind ^{[10
,12
]}

机构：

[1] Int Crops Res Inst Semi Arid Trop, Int Rice Res Inst, South Asia Hub, Patancheru, Andhra Pradesh, India

[2] Bihar Agr Univ, Dept Genet & Plant Breeding, Sabour, India

[3] ICAR Res Complex Eastern Reg, Div Crop Res, Patna, Bihar, India

[4] Banaras Hindu Univ, Inst Agr Sci, Dept Genet & Plant Breeding, Varanasi, Uttar Pradesh, India

[5] Assam Agr Univ, Reg Agr Res Stn, Jorhat, Assam, India

[6] ICAR Res Complex NEH Reg, Div Plant Breeding, Lembucherra, India

[7] Birsa Agr Univ, Dept Genet & Plant Breeding, Ranchi, Bihar, India

[8] Natl Rice Res Inst, Cent Rainfed Upland Rice Res Stn, Hazaribagh, India

[9] Dr Rajendra Prasad Agr Univ, Dept Genet & Plant Breeding, Samastipur, India

[10] Int Rice Res Inst, Rice Breeding Platform, Manila, Philippines

[11] Int Crop Res Inst Semiarid Trop ICRISAT, HarvestPlus, Patancheru, Andhra Pradesh, India

[12] IRRI South Asia Reg Ctr ISARC, NSRTC Campus,GT Rd,Farm,PO Ind Estate, Varanasi 221006, Uttar Pradesh, India

来源：

JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE | 2020年 / 100卷 / 11期

关键词：

rice; biofortification; Fe concentration; Zn concentration; G x E interactions; MICRONUTRIENT CONTENT; TRACE-ELEMENTS; QUALITY TRAITS; BIOFORTIFICATION; MODELS; WHEAT; DEFICIENCY; REGRESSION; STABILITY; DENSITY;

D O I：

10.1002/jsfa.10454

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

BACKGROUND Nutrient deficiency in humans, especially in children and lactating women, is a major concern. Increasing the micronutrient concentration in staple crops like rice is one way to overcome this. The micronutrient content in rice, especially the iron (Fe) and zinc (Zn) content, is highly variable. The identification of rice genotypes in which there are naturally high Fe and Zn concentrations across environments is an important target towards the production of biofortified rice. RESULTS Phenotypic correlations between grain Fe and Zn content were positive and significant in all environments but a significant negative association was observed between grain yield and grain Fe and Zn. Promising breeding lines with higher Zn or Fe content, or both, were: IR 82475-110-2-2-1-2 (Zn: 20.24-37.33 mg kg(-1); Fe: 7.47-14.65 mg kg(-1)); IR 83294-66-2-2-3-2 (Zn: 22-37-41.97 mg kg(-1); Fe: 9.43-17.16); IR 83668-35-2-2-2 (Zn: 27.15-42.73 mg kg(-1); Fe: 6.01-14.71); IR 68144-2B-2-2-3-1-166 (Zn: 23.53-40.30 mg kg(-1); Fe: 10.53-17.80 mg kg(-1)) and RP Bio 5478-185M7 (Zn: 22.60-40.07 mg kg(-1); Fe: 7.64-14.73 mg kg(-1)). Among these, IR82475-110-2-2-1-2 (Zn: 20.24-37.33 mg kg(-1); Fe: 7.47-14.65 mg kg(-1)) is also high yielding with 3.75 t ha(-1). Kelhrie Cha (Zn: 17.76-36.45 mg kg(-1); Fe: 7.17-14.77 mg kg(-1)), Dzuluorhe (Zn: 17.48-39.68 mg kg(-1); Fe: 7.89-19.90 mg kg(-1)), Nedu (Zn: 18.97-43.55 mg kg(-1) Fe: 8.01-19.51 mg kg(-1)), Kuhusoi-Ri-Sareku (Zn: 17.37-44.14 mg kg(-1); Fe: 8.99-14.30 mg kg(-1)) and Mima (Zn: 17.10-45.64 mg kg(-1); Fe: 9.97-17.40 mg kg(-1)) were traditional donor genotypes that possessed both high grain Fe and high Zn content. CONCLUSION Significant genotype x location (G x L) effects were observed in all traits except Fe. Genetic variance was significant and was considerably larger than the variance of G x L for grain Zn and Fe content traits, except grain yield. The G x L x year variance component was significant in all cases. (c) 2020 Society of Chemical Industry

引用

页码：4150 / 4164

页数：15

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