Markers Assisted Selection for Pyramiding of Gallmidge Resistance  Genes in Kavya, a Popular Rice Variety

Venkanna, V.; Hari, Yosuke; Rukminidevi, K.; Chandra, B. Satish; Raju, Jyothy; Malathi, S.; Reddy, P. R.

doi:10.20546/ijcmas.2018.704.083

Cited by 9 publications

(4 citation statements)

References 12 publications

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“…Sama et al (2014) introduced the recessive gene gm3 into the genetic background of elite rice variety Improved Samba Mahsuri with the help of markers. In a recent report (Venkanna et al, 2018), two major resistance genes, gm3 and Gm8, have been pyramided in the genetic background of the fine grain-type rice variety Kavya, which already possesses Gm1. Now that closely linked markers/ functional markers are available for all the major gall midge resistance genes, selected gene combinations can be pyramided into elite genetic backgrounds (Divya et al, 2018c) easily through marker-assisted breeding for developing durable multiARGM biotyperesistant rice cultivars/hybrids.…”

Section: Gene Pyramidingmentioning

confidence: 99%

Insect Resistance In Field Crops

Padmaja

2023

ije

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Insect resistant crop plants form the core component of Integrated Pest Management (IPM) due to their ability to reduce the crop losses and associated insecticide costs in addition to protecting the environment. In this review, various types of resistance being cited, resistance mechanisms and causal factors responsible with examples were discussed. Traits associated with resistance, genetics and inheritance patterns were listed. Several sources of resistance including crop varieties, wild relatives, QTLs identified and mapped for major insect pests so far were elaborated along with steps in the development of a resistant variety. Advantages and limitations of insect resistance were also discussed with emphasis on the development of insect biotypes. Novel strategies in molecular approaches like marker assisted selection, gene pyramiding, RNAi approach along with genome editing strategies were emphasized. The development of insect resistant crops is a sustainable way to manage pests and hence emphasis need to be given to breed trait specific insect resistant cultivars utilizing the novel approaches in the future breeding programs.

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Section: Gene Pyramidingmentioning

confidence: 99%

Insect Resistance In Field Crops

Padmaja

2023

ije

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“…Interestingly, none of the identified GM resistant genes confers resistance to all the biotypes of gall midge, while none of the GM biotype is virulent against all the identified resistance genes. Four gall midge resistance genes designated as Gm1, gm3(NB-ARC), Gm2(NB-ARC), and Gm4 (NB-LRR) have been functionally validated and linked markers can be used for the marker-assisted introgression program [63,[66][67][68]. Marker-assisted introgression/ pyramiding of gall midge resistant genes (Gm1 + Gm4) and (Gm4 + Gm8) in background of improved Samba Mahsuri and an elite rice hybrid DRRH3 respectively was attempted by Divya et al [62] and Kumar et al [69].…”

Section: Gall Midgementioning

confidence: 99%

Advances in Developing Multigene Abiotic and Biotic Stress-Tolerant Rice Varieties

Sandhu¹,

Yadav²,

Kumar³

2021

Abiotic Stress in Plants

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Increasing incidences of multiple abiotic stresses together with increasing population are the major constraints to attain the global food security. Rice, the major staple food crop is very much prone to various abiotic and biotic stresses, which can occur one at a time or two or more together in a single crop growing season and adversely affects the rice production and productivity. The devastating effect of multiple stresses on rice crop is much more erratic and complex leading to higher losses in the crop grain yield. The concurrent occurrence of multiple streeses can destroy rice production in many of the rainfed areas of South and Southeast-Asia. Genomics-assisted breeding strategies have been instrumental in introgression of various major effect QTLs/genes into rice mega varieties and have proven successful in achieving the desired level of tolerance/resistance to various abiotic stresses in diffferent crop species. Keeping the present scenario of changing climate in mind, the chapter discusses the recent past success in combining tolerance to two or more abiotic stresses in mega rice varieties applying genomics-assisted breeding and development of high-yielding climate resilient rice through stacking of multiple genes/QTLs, which can withstand in a cascade of multiple stresses occurring regularly in rainfed environments.

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“…These are (i) MAS and MAB, (ii)Multiple resistance, (iii) Quantitative resistance (QR), (iv) Durable resistance, (v) Gene pyramiding and (vii) Gene stacking. MAS insects resistance in rice (Shabanimofred et al, 2015;Venkanna et al, 2018;Jaiswal et al, 2018) Striga resistance in sorghum (Yasir and Abdalla, 2013, Yohannes et al, 2015Ali et al, 2016), multiple insects resistance in maize (Badji et al, 2018) multiple resistances to herbicides (Gressel, 2000;Neve et al, 2009) Quantitative resistance (QR)…”

Section: Variants Of Plant Resistance To Pestsmentioning

confidence: 99%

Trend of Biotechnology Applications in Pest Management: A Review

Alemu

2020

Int J Appl Sci Biotechnol

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There are many constraints that severely affect the global agricultural production and productivity which include the ever increasing of population growth, degradation of natural resources, climate changes and emerging pests. Among these factors, biotic constraints or pests are known to cause 25-50% or complete loss of plant production. Accordingly, various plant protection technologies have been deployed with the trend of focusing on the use modern biotechnological tools that are proven to be most effective and mandatory. The review covers a wide array of pest management methods ranging from the conventional biological control methods up to molecular breeding techniques. Furthermore, the application of new genetic engineering techniques fueled by new breakthroughs and innovations are the cornerstone of this review. Accordingly, the continuous increasing trend of GM crops cultivation in both crop type and hectare has urged many countries to deploy the technology as a key strategy to enhance their bioeconomy. In fact, plant protection is the discipline that immensely benefit from biotechnology than any other disciplines for ensuring food security and sustainable development. However, in order to fully exploit the enormous potential of biotechnology, appropriate biosafety regulatory frameworks and proper stewardship programs need to be effectively implemented. This integrated approach can promptly help respond to the ever-dynamic threat of pests and hence reliably combat food insecurity and ably contribute to sustainable development. Int. J. Appl. Sci. Biotechnol. Vol 8(2): 108-131

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Markers Assisted Selection for Pyramiding of Gallmidge Resistance Genes in Kavya, a Popular Rice Variety

Cited by 9 publications

References 12 publications

Insect Resistance In Field Crops

Insect Resistance In Field Crops

Advances in Developing Multigene Abiotic and Biotic Stress-Tolerant Rice Varieties

Trend of Biotechnology Applications in Pest Management: A Review

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