KRISHI
ICAR RESEARCH DATA REPOSITORY FOR KNOWLEDGE MANAGEMENT
(An Institutional Publication and Data Inventory Repository)
"Not Available": Please do not remove the default option "Not Available" for the fields where metadata information is not available
"1001-01-01": Date not available or not applicable for filling metadata infromation
"1001-01-01": Date not available or not applicable for filling metadata infromation
Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/24180| Title: | Effects of Genotype and Planting Time on Phenology and Performance of Rice (Oryza sativa L.) |
| Other Titles: | Not Available |
| Authors: | Anil Kumar Singh, Naresh Chandra and RC Bharti |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Research Complex for Eastern Region, Patna |
| Published/ Complete Date: | 2012-02-09 |
| Project Code: | Not Available |
| Keywords: | Rice Phenology. genotypes, climate change, photosensitivity. biomass, yield |
| Publisher: | VEGETOS |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | To judge the impacts of climate change on rice phenology and performance in terms of grain and above ground biomass yield, a field experiment was conducted under semiarid condition of Kanpur, to know the response of prevailing environments Clnd their interaction wi th photosensitiw genotypes (mahsoori ) and photoin scn sitivc (/\shwani and Pant - 4). Thi s study proved that the first year was more fa vorable for growth and development mid the first year crop produced more biomass. Moreover second year was better for economic produce (grain yield) probably due to the congenial environmental conditions during reproductive phase. Maximum thermal time requirements (TTR) were recorded duri ng first year. J\:laximum was for the period between sowing to till ering ( 1142.4 heat units) under fi rst date of transplanting and minimum (486.5 heat units) was recorded for period between anthcsis to maturity with last date of tran splanting. Corresponding maximum thermal time requirements ('!TR) for genotype W<lS recorded fo r Mahsoori for the period between sowing to ti llering ( I 111.5 heat units) during fi rst year. During both the years photo insensitive varieties viz., ashwani and panl-4 proved better. Delay in planting for ce to ad vance tlie maturity signiiicanlly, long duration genotype mahsoori recorded maximum plant height 96.9 and 99.6 cm during both the years respectively. 1000-grain weight was not affected signi fica ntly by environment however it was recorded sign ificant ly differences due to genotyves during ~econcl year. Maximum above ground biomass production was recorded during fi rst dates of planting ( I 05.2 and 98.5 q/ha) and genotype mahsoori (I 06.4 and 97.9 q/ha). l larvest imkx being altyp ical gcnotypic character lest affected by environmental 11uctualions, variety ashwani prod uced boldest seed (28.0 and 28.4 g /1000 seeds) and mahsoori produced cylindrical seeds wilh lowest seed weight ( 19.4 and 20.6g.) |
| Description: | Climate on earth is changing gradually either due to natural processes, extern al fo rcing,. persistent anthropogenic changes in the composition of th e atmosphere or land use.The fourth assessment report of the In te rgovernm en tal Panel on Climate Change (lPCC) con firms that the global average temperature increased by 0. 74°C over the last JOO years and the projected increase in temperature by 2 100 is about 1.8 to 4.0°C. Crop producti vity is projected to decrease even by small rise in temperature ( l-2"C) at the lower latitudes, especially in the seasonal dry and tropical regions. Global warm ing poses a potential th reat to agricultural production and productivity throughout the world and this mi ght affect the crop yields. incidence of '~eeds. pests. plant diseases and the economic costs of <.igricu ltura l production. The reduced length of grO\•Ving seasons as a resul t of climatic change is causing detrimental effects on agricul ture. If suitable measures a.re not taken. crop yield could be decreased up to 50 percent by 2050 in South Asia (fPCC 2007). Study conducted al selected places in In dia to understand the nature |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Socity for plant research |
| Volume No.: | 25(1) |
| Page Number: | 151-156 |
| Name of the Division/Regional Station: | Division of crop Research |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/24180 |
| Appears in Collections: | NRM-RCER-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| EffectOfGenotype.pdf | 1.33 MB | Adobe PDF | View/Open |
Items in KRISHI are protected by copyright, with all rights reserved, unless otherwise indicated.