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http://krishi.icar.gov.in/jspui/handle/123456789/76436| Title: | EFFECT OF COMBINED VARiATION IN LIGHT IRRADIANCE AND POTASSIUM ON RICE (ORYZA SATIVA L.) |
| Other Titles: | Not Available |
| Authors: | V.P. SINGH, S.R. VOLETlI AND AJAY ARORA |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | Division of Plant Physiology Indian Agricultural Research lnstiune |
| Published/ Complete Date: | 1998-10-01 |
| Project Code: | Not Available |
| Keywords: | Light im.diance, potassium. rice |
| Publisher: | Plant Physiol |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | The influence of varied potassium nutrition (20 and 40 ppm) at two levels of light irradiance on rice tOryza SIlJivQ (L) indicated that low Bght irradiancc operative from 40 days after planting (DAP) to harvest reduced all physiologrcal parameters studied, at. flowering and harvest siage though leaf area. specific leaf weight (SLW). chloro- phyll and sterility increased at both potassium levels. During the transition from veg- etative to the reproductive phase the 40 ppm potassium supply could partially compen- sate. the photosynthetic me (Pn), stomatal conductance (C)• soluble protein and chlo- rophyll. At harvest. boweYct. the positive effect of K became ~er and there was no increase in dry maner and yield but under normal light irradiance elevated K increased the total dry mauer and yidd.. Thus, potassium raised the photosynthetic rate and veg-etative growth under low irradiance but this was not capable of promoting the filling of grains in inadequate illumination. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Journal |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Plant Physiol |
| Volume No.: | 19(4) |
| Page Number: | 475-480 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/76436 |
| Appears in Collections: | CS-IIRR-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 1998 Ann Agric Res K.pdf | 246.51 kB | Adobe PDF | View/Open |
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