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All Journal Biodiversitas Journal of Biological Diversity
NGUYEN NGOC TRAI
School of Agriculture and Aquaculture, Tra Vinh University. Tra Vinh City 87000, Vietnam
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Genetic variability for micronutrients under an aerobic condition in local landraces of rice from different agro-ecological regions of Karnataka, India NGUYEN PHUONG THUY; TRAN THI THAO NHU; NGUYEN NGOC TRAI; NGHI KHAC NHU; NGUYEN HOANG XUAN THAO; VUONG TUAN PHONG; BUI DANG KHOA; NGUYEN THANH LUAN
Biodiversitas Journal of Biological Diversity Vol. 24 No. 1 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240101

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Abstract. Thuy NP, Nhu TTT, Trai NN, Nhu NK, Thao NHX, Phong VT, Khoa BD, Luan NT. 2023. Genetic variability for micronutrients under an aerobic condition in local landraces of rice from different agroecologicalregions of Karnataka, India. Biodiversitas 24: 1-10.Genetic variability is a fundamental reference for the innovative development of breeding programs to improve varieties and desirable traits. This study aimed to assess genetic variability for micronutrients (iron and zinc) and protein content under an aerobic condition in local landraces of rice (Oryza sativa L.) from different agroecological regions of Karnataka, India. Fifty-fivelocal landraces of ricefrom India were studied.High phenotypic and genotypic coefficient of variation was observed for grain yield per plant and moderate for the remaining traits. Heritability was high for most of the traits observed while moderatefor harvest index and grain yield plant-1. The genetic advance (GA) was high for the majority of yield and its attributing traits. GA as mean was high for grain yield per plant. Based on D2value, 50 genotypes were grouped into 8 clusters. Clusters VI and VIII are the largest and had accessions with the highest protein and zinc content. Marabatta, Jeerige Batta, Neerguli, Mugadh Sughanda, and Kesarnellu genotypes contained high grain protein and zinc content, whereas Naga Batta genotype has high iron content. Among the superior nutrient landraces, Neerguli, Jeerige Batta, DBN, Kesarnellu, and Doddiga genotypes had high grain yield plant-1.
Potential of Trichoderma spp. isolated in the rhizosphere to produce biofertilizer from organic materials NGUYEN PHUONG THUY; NGUYEN NHAT NAM; NGUYEN NGOC TRAI; NGUYEN HOANG XUAN THAO; VUONG TUAN PHONG; DO TAN KHANG
Biodiversitas Journal of Biological Diversity Vol. 23 No. 12 (2022)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d231236

Abstract

Abstract. Thuy NP, Nam NN, Trai NN, Thao NHX, Phong VT, Khang DT. 2022. Potential of Trichoderma spp. isolated in the rhizosphere to produce biofertilizer from organic materials. Biodiversitas 23: 6386-6396. Trichoderma spp. are filamentous fungi present in nearly all soils and capable of secreting large amounts of cellulase enzymes that can degrade carbohydrate polymer. In the current study, eight isolates of Trichoderma spp. (TC10-RL11, CT11-VO11, CN2-DP11, CN1-DP11, TC9-RL11, CN4-VR11, CK6-VC11, and TC8-RL11) were isolated. Among the eight fungal strains, the CN4-VR11 had highly potent CMC degradation with a halo’s diameter zone of 8.7 ± 1.5 cm. The BLAST result indicates that the CN4-VR11 strains and Trichoderma reesei had a similarity of 98.92% with a max score of 1158 and an E-value of 0.0. The Trichoderma reesei CN4-VR11 was selected for bioproduct production. The application of Trichoderma reesei CN4-VR11 bioproduct passively increased the efficient decomposition of the organic fertilizers, after only 30 days of incubation, the total organic matter content ? 20% was observed to be soft, spongy, and brown-back in color. According to the Government of Vietnam’s Decree No. 108/2017/ND-CP on fertilizer management, dated September 20, 2017, the T5 and T7 treatments were chosen for the production of granular bio-compost, which has a more practical use in agricultural land.
Co-Authors BUI DANG KHOA DO TAN KHANG NGHI KHAC NHU NGUYEN HOANG XUAN THAO NGUYEN NHAT NAM NGUYEN PHUONG THUY NGUYEN PHUONG THUY NGUYEN THANH LUAN TRAN THI THAO NHU VUONG TUAN PHONG