Kesan Kadar Nitrogen Terhadap Populasi Lalat Putih (Bemisia tabaci) pada Tanaman Cili (Capsicum annum L.)

Translated title of the contribution: Effect of nitrogen rates on the whitefly (Bemisia tabaci) population infesting Chilli (Capsicum annum L.)

Zurina Mahadi, M. N. Mohamad Roff, Idris Abd. Ghani

Research output: Contribution to journalArticle

Abstract

Bemisia tabaci (Gennadius) is considered the most important whitefly species harmful to agriculture. Experiments were conducted at MARDI Station in Jalan Kebun, Klang, Selangor from 9 September 2006 toll November 2007. The objective of this study was to evaluate the population of whitefly on chilli plants fertilised with different rates of nitrogen (0, 33, 43, 53 g/plant). The results showed that high rates of nitrogen treatment significantly (P<0.05) increased B. tabaci immature population as compared to lower rate treatments. The mean number of B. tabaci immature per plant stratum was significantly different (P<0.05) among plant strata as well as among the treatments. Generally, the mean number of B. tabaci eggs and larvae was significantly (P<0.05) greater in the upper strata than in the middle and lower plant strata. Whereas, the mean number of B. tabaci pupa was significantly greater in the lower strata than in the upper and middle plant strata. The mean number of B. tabaci immature was significantly different (P<0.05) among the sampling periods in all treatment. Generally, B. tabaci population was significantly greater during the early season and gradually declined as the season progressed except during the third and seventh week after transplanting.

Original languageUndefined/Unknown
Pages (from-to)913-920
Number of pages8
JournalSains Malaysiana
Volume39
Issue number6
Publication statusPublished - Dec 2010

Fingerprint

Capsicum
Bemisia tabaci
Aleyrodidae
plant strata
nitrogen
immatures
transplanting (plants)
pupae
agriculture
larvae

Keywords

  • Bemicia tabaci
  • Capsicum annum
  • Chilli
  • Malaysia
  • Nitrogen fertilizer
  • White fly

ASJC Scopus subject areas

  • General

Cite this

Kesan Kadar Nitrogen Terhadap Populasi Lalat Putih (Bemisia tabaci) pada Tanaman Cili (Capsicum annum L.). / Mahadi, Zurina; Mohamad Roff, M. N.; Abd. Ghani, Idris.

In: Sains Malaysiana, Vol. 39, No. 6, 12.2010, p. 913-920.

Research output: Contribution to journalArticle

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abstract = "Bemisia tabaci (Gennadius) is considered the most important whitefly species harmful to agriculture. Experiments were conducted at MARDI Station in Jalan Kebun, Klang, Selangor from 9 September 2006 toll November 2007. The objective of this study was to evaluate the population of whitefly on chilli plants fertilised with different rates of nitrogen (0, 33, 43, 53 g/plant). The results showed that high rates of nitrogen treatment significantly (P<0.05) increased B. tabaci immature population as compared to lower rate treatments. The mean number of B. tabaci immature per plant stratum was significantly different (P<0.05) among plant strata as well as among the treatments. Generally, the mean number of B. tabaci eggs and larvae was significantly (P<0.05) greater in the upper strata than in the middle and lower plant strata. Whereas, the mean number of B. tabaci pupa was significantly greater in the lower strata than in the upper and middle plant strata. The mean number of B. tabaci immature was significantly different (P<0.05) among the sampling periods in all treatment. Generally, B. tabaci population was significantly greater during the early season and gradually declined as the season progressed except during the third and seventh week after transplanting.",
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