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Publications (32)
Plants respond and adapt to various environmental conditions through morphological, anatomical, and physiological adaptations at the cellular and plant level. These morphological, anatomical, and physiological adaptations help the plant to cope up with the environmental variations and the stress created by those variations. Among these adaptations,...
Sugarcane is an economically important crop, and the impact of climate change can be manifested much more in all stages like germination, tillering, grand growth, and maturity phases. Cane yield and sucrose content are the two principal traits determining commercial cane yield of sugarcane genotypes. Sucrose accumulation in sugarcane stalks is know...
Mining of non-redundant transcript assemblies from Saccharum spp. associated with sucrose synthesis located a higher number of repeat units in the open reading frames (ORF) of sucrose biosynthesis pathway. Functional annotation of these SSR motifs revealed that the two paralogs of soluble acid invertase (SAI) consisting of trimer motifs (TGC)5 and...
Rice production is affected by many biotic and abiotic stresses; among them, bacterial blight (BB) and blast diseases and low soil phosphorous stress cause significant yield losses. The present study was carried out with the objective of combining the BB resistance gene, Xa21 , the blast resistance gene, Pi54 , and the low soil phosphorous toleranc...
Abstract Erianthus arundinaceus [Retzius] Jeswiet, a wild relative of sugarcane has a high biomass production potential and a reservoir of many genes for superior agronomic traits and tolerance to biotic and abiotic stresses. A comparative physiological, anatomical and root transcriptome analysis were carried out to identify the salt-responsive gen...
Sugarcane is a C4 and agro-industry-based crop with a high potential for biomass production. It serves as raw material for the production of sugar, ethanol, and electricity. Modern sugarcane varieties are derived from the interspecific and intergeneric hybridization between Saccharum officinarum, Saccharum spontaneum, and other wild relatives. Suga...
Sugarcane is a trans-seasonal long-duration crop and tillering phase (60–150 days) is the most sensitive phase for moisture stress, causing significant reduction in biomass accumulation. The study focussed to assess the Genotype × Environment Interaction (GEI) for tillering phase moisture stress and to identify the stable genotypes in sugarcane. Th...
Genetic diversity of world collection of E. arundinaceus germplasm clones was analyzed using SRAP marker polymorphic survey. The marker survey with thirty combinations of SRAP marker generated distinct DNA profiles with fragments ranging in size from 120 to 1000 bp in all the germplasm lines. The selected primer pairs yielded a total of 306 scorabl...
With an objective of mapping novel low soil P (Phosphorus) tolerance loci in the non- Pup1 type donor rice line, Wazuhophek, we screened a recombinant inbred line (RIL) mapping population consisting of 330 lines derived from the cross Wazuhophek x Improved Samba Mahsuri (which is highly sensitive to low soil P) in a plot with low soil P for toleran...
The utilization of superior parental lines and identification of superior families enhance the genetic gain in sugarcane. To
identify the superior parental lines and superior progenies, 1889 progenies derived from twenty crosses involving genetically
diverse historical parents were evaluated for juice quality and yield attributing traits.The hist...
Exploration, collection, characterization and utilization of new germplasm are continuous process in breeding programs. Collection of new germplasm in stress-prone areas will augment the sources of new genes for abiotic stress tolerance in developing stress-tolerant varieties. An exploration in the South 24 Parganas district in West Bengal and Assa...
MTU 1010 is a high-yielding mega-variety of rice grown extensively in India. However, it does not perform well in soils with low phosphorus (P) levels.
Western Ghats in India with diverse climatic condition and different types of vegetation covering the states of Tamil Nadu, Kerala, Karnataka, Goa and Maharashtra, is a biodiversity hot spot. This important area was not explored earlier for sugarcane wild genetic resources. Targeted explorations in these areas resulted in the collection of 39 Sacch...
Phosphorus (P) is an essential macronutrient to all crops including rice and it plays a key role in various plant activities and development. Low availability of P in the soils negatively, influences rice crop growth and causes significant yield loss. In the present study, we characterized a set of 56 germplasm lines for their tolerance to low soil...
Improved-Samba-Mahsuri (ISM), a high-yielding, popular bacterial blight resistant (possessing Xa21, xa13, and xa5), fine-grain type, low glycemic index rice variety is highly sensitive to low soil phosphorus (P). We have deployed marker-assisted backcross breeding (MABB) approach for targeted transfer of Pup1, a major QTL associated with low soil P...
Phosphorus (P) is an essential macronutrient to all crops including rice and it plays a key role in various plant activities and development. Low availability of P in the soils negatively, influences rice crop growth and causes significant yield loss. In the present study, we characterized a set of 56 germplasm lines for their tolerance to low soil...
Occurrence of drought under rainfed conditions is the foremost factor responsible for yield reduction in soybean. Developing soybean cultivars with an inherent ability to withstand drought would immensely benefit the soybean production in rainfed areas. In the present study, F2 derived mapping populations were developed by crossing drought tolerant...
A DESCRIPTION OF Co 11015 (ATULYA) A RECENTLY NOTIFIED SUGARCANE VARIETY FOR TAMIL NADU
Phosphorus (P) is an essential macro-nutrient required for growth and development of all crop plants including rice. Low availability of P in the soils manifests in terms of impeding crop growth leading to yield losses in rice. Adequate genetic variability for low soil P tolerance and also P use efficiency has been documented in rice and a major QT...
The occurrence of drought stress at seed filling stage is known to cause severe yield
reduction in soybean especially where the crop is grown in rainfed conditions. Screening
of large germplasm lines under natural drought conditions is extremely difficult to execute
due to unusual rains. In the present study, about 328 germplasm lines are screened...
MTU 1010 is a high-yielding mega-variety of rice grown extensively in India. However, it does not perform well in soils with low phosphorus (P) levels. With an objective to improve MTU 1010 for tolerance to low soil P, we have transferred Pup1, a major quantitative trait locus (QTL) associated with tolerance from another mega-variety, Swarna, throu...
Bacterial blight (BB) disease reduces the yield of rice varieties and hybrids considerably in many tropical rice growing countries like India. The present study highlights the development of durable BB resistance into the background of an elite maintainer of rice, DRR17B, by incorporating two major dominant genes, Xa21 and Xa33 through marker-assis...
Bacterial blight (BB) disease reduces the yield of rice varieties and hybrids considerably in many tropical rice growing countries like India. The present study highlights the development of durable BB resistance into the background of an elite maintainer of rice, DRR17B, by incorporating two major dominant genes, Xa21 and Xa33 through marker-assis...
Bacterial blight (BB) disease reduces the yield of rice varieties and hybrids considerably in many tropical rice growing countries like India. The present study highlights the development of durable BB resistance into the background of an elite maintainer of rice, DRR17B, by incorporating two major dominant genes, Xa21 and Xa33 through marker-assis...
Improved Samba Mahsuri (ISM) is a popular, high-yielding, bacterial blight resistant rice variety possessing medium-slender grain type. As ISM is highly susceptible to blast disease of rice, through the present study we have transferred two major blast resistance genes, Pi2 and Pi54 into the elite variety by marker-assisted backcross breeding. The...
DRR17A is a stable wild-abortive cytoplasmic male sterile line with medium-slender grain type. DRR17A and its maintainer line DRR17B are highly susceptible to two of the major rice diseases, bacterial blight (BB) and blast. To improve DRR17B for resistance against BB and blast, we have introgressed a major dominant gene each conferring resistance a...
