A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Upmanyu, Sachin
- Scenario of Rice Diseases in Major Rice Growing Districts of Himachal Pradesh
Authors
1 CSK Himachal Pradesh Krishi Vishvavidyalaya, Rice and Wheat Research Centre, Malan-176 047, IN
Source
Himachal Journal of Agricultural Research, Vol 42, No 1 (2016), Pagination: 96-98Abstract
Major rice growing districts of Himachal Pradesh viz., Kangra, Mandi, Una, Sirmour and Chamba were conducted during kharif 2010 to 2015 under Production Oriented Survey (POS) programme of All India Coordinated Rice Improvement Project. The results revealed a changing scenario in the prevalence of rice diseases. It was observed that diseases like false smut, bacterial leaf blight and sheath blight which were predominant in tropical environment are regularly appearing in sub-temperate climate of mid-hills in considerable proportions. However, in districts Kangra, Mandi, Sirmour and Una, diseases like blast, false smut and bacterial blight were the most predominant ones during the period under study. The other diseases remained low to moderate with possible potential of resulting losses to rice production in the state under high severity. Foot rot of rice or Bakane disease which is also known as Rice Foolish seedling disease was observed for the first time from Indora block of district Kangra during kharif 2015 infecting Pusa 1121, a popular basmati cultivar.Keywords
Survey, Rice, Diseases, Intensity.References
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- POS. 2015. Production Oriented Survey, All India Coordinated Rice Improvement Project (AICRIP), Indian Institute of Rice Research, Hyderabad 500 030, TS, India.
- Prakasam V, Ladhalakshmi D, Laha GS, Krishnaveni D, Sheshu Madhav M, Jyothi Badri, Srinivas Prasad M and Viraktamath BC. 2013. Sheath blight of rice and its management. Technical Bulletin No. 72, Directorate of Rice Research (ICAR), Rajendranagar, Hyderabad - 500 030, A. P., India. 58 pp.
- Sharma PK, Upmanyu S, Srivastava A and Rana SK. 2012. Scenario of insect-pests and diseases of paddy in Himachal Pradesh. Agricultural Science Digest 32 (1): 71-74.
- Srinivas Prasad M, Sheshu Madhav M, Laha GS, Ladha Lalshmi D, Krishnaveni D, Mangrauthia SK, Balachandran SM, Sundaram RM, Arunakranthi B, Madhan Mohan K, Ratna Madhavi K, Kumar V and Viraktamath BC. 2011. Rice blast disease and its management. Technical Bulletin No. 57. Directorate of Rice Research (ICAR), Rajendranagar, Hyderabad-500030, AP, India, 52 pp.
- Upmanyu S and Rana SK. 2013. Status of false smut in major rice growing areas of Himachal Pradesh. Himachal Journal of Agricultural Research 39 (2): 176-178.
- Evaluation of Some New Fungicides for the Management of Neck Blast in Rice (Oryza sativa L.)
Authors
1 CSK Himachal Pradesh Krishi Vishvavidyalaya, Rice and Wheat Research Centre, Malan-176 047, IN
Source
Himachal Journal of Agricultural Research, Vol 42, No 2 (2016), Pagination: 181-183Abstract
A field experiment to know the efficacy of some new fungicides against neck blast was conducted at Rice and Wheat Research Centre, Malan (HP) during Kharif 2014. New combination product of tricyclazole 18% + mancozeb 62% (MERGER) was found quite effective resulting in 72.6 per cent reduction in disease incidence over control, while application of tricycalzole 75 WP alone reduced neck blast incidence by 69.2 per cent. Another combi-fungicide, ICF-110 (tricyclazole 45% + hexaconazole 10% WG) also resulted in significant reduction (67.8%) in neck blast incidence over control. Also, the new molecules i.e. MERGER and ICF-110 significantly enhanced the grain yield as compared to rest of the fungicides with 192.5 and 176.1 per cent increase in grain yield over control.Keywords
Neck Blast, Incidence, Evaluation, Fungicides, Rice.References
- Laha GS, Sailaja B, Srinivas Prasad M, Ladhalakshmi D, Krishnaveni D, Ram Singh, Prakasam V, Yugander A, Kannan C, Valarmathi P and Ravindra Babu V. 2016. Changes in rice disease scenario in India: An analysis from Production Oriented Survey. Technical bulletin No. 91. ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad. pp 95.
- Muralidharan K. 2006. Variability, the weapon in the combat between plant and pathogen as illustrated with rice and blast. In: Plant Protection in New Millennium, Vol. 1 (eds. Ashok V Gadekar and BP Singh), Satish Serial Publishing House, New Delhi, pp 69-108.
- POS 2001-2015. Production Oriented Survey, 2001-2014. All India Coordinated Rice Improvement Project (AICRIP), Indian Institute of Rice Research, Hyderabad.
- Singh Ram, Sunder S and Dodan DS. 2004. Evaluation of scented rice genotypes to blast and its management with fungicides. Journal of Mycology and Plant Pathology 34: 280281.
- Singh Ram, Sunder S, Dodan DS, Ram L and Singh R. 2010. Evaluation of scented rice genotypes and fungicides against blast and compatibility of pesticides used against neck blast, stem borer and leaf folder. Indian Phytopathology 63: 212-215.
- Srinivas Prasad M, Sheshu Madhav M, Laha GS, Ladha Lalshmi D, Krishnaveni D, Mangrauthia SK, Balachandran SM, Sundaram RM, Arunakranthi B, Madhan Mohan K, Ratna Madhavi K, Kumar V and Viraktamath BC. 2011. Rice blast disease and its management. Technical Bulletin No. 57. Directorate of Rice Research (ICAR), Rajendranagar, Hyderabad. pp 52.
- Upmanyu S and Rana SK. 2012. Effect of fungicides on neck blast incidence and grain yield of rice in mid hills of Himachal Pradesh. Plant Disease Research 27 (1): 92-93.
- Yamaguchi I. 2004. Overview on the chemical control of rice blast disease. In: Rice blast: Interaction with rice and control (Ed. Shinji Kawasaki) Springer Netherlands. pp 1-13.
- Screening of Genotypes for Resistance Against Sarocladium oryzae Causing Sheath Rot of Rice
Authors
1 CSK Himachal Pradesh Krishi Vishvavidyalaya Rice and Wheat Research Centre, Malan-176 047, IN
2 Department of Plant Pathology, CSK HP Krishi Vishvavidyalaya, Palampur, IN
3 Department of Genetics and Plant Breeding, CSK HP Krishi Vishvavidyalaya, Palampur, IN
Source
Himachal Journal of Agricultural Research, Vol 47, No 1 (2021), Pagination: 110-115Abstract
A field experiment was conducted to screen rice genotypes against sheath rot during kharif 2019 under natural epiphytotic conditions at the farm of Rice and Wheat Research Center, Malan. Out of one hundred eight genotypes, ten genotypes exhibited moderately susceptible reaction while ninety eight showed susceptible reaction when categorized on the basis of disease incidence whereas when these genotypes categorized on the basis of disease index, five genotypes showed resistant reaction, twenty four showed moderately resistant reaction, sixty one showed moderately susceptible reaction and eighteen genotypes showed susceptible reaction while none of the genotypes was immune in any category.Keywords
Sheath Rot, Rice, Screening, Genotypes.References
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- Rini Pal, Mandal D and Naik BS. 2015. Screening of rice cultivars for resistance against sheath rot disease of rice caused by Sarocladium oryzae. Journal of Interacademicia 19 (3): 349-354.
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- Distribution and Survival of Flag Smut of Wheat Caused by Urocystis agropyri (Preuss) A. A. Fisch.
Authors
1 Department of Plant Pathology, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 01 (2022), Pagination: 80-84Abstract
Flag smut of wheat caused by Urocystis agropyri (Preuss) A.A. Fisch. Waldh. is an important seed as well as soil borne disease that is now emerging as a serious problem in Himachal Pradesh. During the survey of wheat growing areas of Himachal Pradesh, the highest average incidence of disease (17.77 %) was recorded from Thural of district Kangra followed by Akrot of district Una, Bhager of district Bilaspur and Dhaulakuan of district Sirmour with 14.65, 10.56 and 9.19 per cent incidence, respectively. The overall average disease incidence was significantly higher in 2019-20 (7.12 %) as compared to 2020-21 (5.97 %). The pathogen inoculum buried at 2 cm below the soil surface for 8 months yielded highest spore germination of 18.92 per cent and no spore germination was recorded till 4 months of storage due to the dormancy in any of the screened storage conditions.Keywords
Flag smut, Urocystis agropyri, disease incidence and survival of inoculumReferences
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- Sydow HP and Butler EJ. 1906. Fungi Indiae orientalis. Annales Mycologici 4: 427.
- Verwoerd L. 1929. The biology, parasitism and control of Urocystis tritici, Koern. the causal organism of flag smut in wheat and recording the occurrence of Urocystis occulta (Wallr). Rab. in South Africa as the cause of stem smut in rye. Union South Africa Scientific Bulletin 76: 1-59.
- Screening and Identification of Resistant Sources Against Sheath Blight of Rice
Authors
1 Department of Plant Pathology, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 01 (2022), Pagination: 142-144Abstract
Sheath blight of rice, caused by Rhizoctonia solani Kuhn (Teleomorph: Thanatephorus cucumeris (Frank) Donk) is one of the important rice diseases after rice blast and is known to cause yield losses up to the extent of 1.2-69.0 per cent. For an effective management of sheath blight, different disease management approaches could be opted but the use of resistant varieties is considered as the most reliable one. Considering the importance of crop and extent of damage, a set of 50 rice germplasm lines was screened against sheath blight of rice, out of which 14 lines showed resistant reaction and 16 lines exhibited moderately resistant reaction, respectively. Rest 20 lines showed moderately susceptible and susceptible reaction. Rice germplasm lines identified in this study could be brought into rice breeding programmes after field validation.
Keywords
Germplasm, resistance, management, sheath blightReferences
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