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http://krishi.icar.gov.in/jspui/handle/123456789/27964
Title: | Effect of nitrogenous fertilizer on yellow mite infestation in Corchorus spp. |
Other Titles: | Not Available |
Authors: | Gotyal, B.S., De, R.K., Selvaraj, K., Satpathy, S., Mukesh Kumar and Meena, P.N. |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR-CRIJAF |
Published/ Complete Date: | 2016 |
Project Code: | Not Available |
Keywords: | Effect of nitrogenous fertilizer ,yellow mite, infestation in Corchorus spp |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | The pest status of yellow mite, Polyphagotarsonemus latus (Banks) has enhanced jute causing regular infestation. Improper crop management, particulary imbalanced fertilizer application encourages population build-up and outbreak of mite and other sucking pests.Field experiments were conducted to study the effect of different levels of nitrogenous fertilizer (40, 60, 80, 100 and 120 kg ha ) on infestation of P. latus in jute ( JRO-8432) in two subsequent cropping seasons. Results revealed there was significant variation on infestation of P. latus in jute crop treated with different levels of nitrogenous fertilizers. Moderate infestation (96.73 mites cm leaf) of yellow mite during peak period at 55 days after sowing (DAS) was recorded in the recommended dose (80:40:40 kg ha ) as compared to higher doses 120: 40: 40 kg ha (138.52 mites cm leaf). Although, positive correlation exists between N-fertilization and mite population, yield was maximum with highest N dose 120: 40: 40 and incremental dose of nitrogen on yield was clearly manifested on the benefit cost ratio (BCR) of different NPK dosages, which was highest (1.58) at 120: 40:40 level. It is evident from the study that although NPK had favorable effect on population establishment and it may also replenish the damage as fibre yield was maintained at higher doses instead of higher mite population. These study clearly suggested that slight manipulation in recommended doses of N fertilizer can contribute substantially in regulating the abundance of yellow mite with non-significant effect on yield enhancement in jute. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Journal of Environmental Biology |
NAAS Rating: | 6.78 |
Volume No.: | 37 (3) |
Page Number: | 431-436 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/27964 |
Appears in Collections: | CS-CRIJAF-Publication |
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