Phaleria Octandra (L.) Baill

Total Page：16

File Type：pdf, Size：1020Kb

Australian Tropical Rainforest Plants - Online edition Phaleria octandra (L.) Baill. Family: Thymelaeaceae Baillon, H.E. (1873) Adansonia 11: 321. Common name: Dwarf Phaleria; Phaleria, Dwarf Stem Usually flowers and fruits as a shrub about 1-2 m tall. Leaves Leaf blades about 7.5-23 x 2-10 cm, petioles about 0.3-0.9 cm long. Twigs, petioles and leaves glabrous. Twig bark strong, fibrous and fetid when stripped. Petiole grooved on the upper surface. Flowers Inflorescence about 8-25-flowered. Peduncle about 2.5-7 mm long, pedicels short, up to 0.3 mm Leaves and Flowers. © CSIRO long. Perianth (hypanthium) hairy, about 8-17 mm long. Lobes petaloid. Stamens eight, arranged in two whorls, prominently exserted. Base of the ovary surrounded by a white slightly lobed or segmented disk. Stigma terminal, papillose. Fruit Mature fruit about 1-1.5 cm long, +/- sessile. Seedlings Cataphylls usually produced before the first pair of leaves or among the leaves. First pair of true leaves elliptic or broadly elliptic, about 18-20 x 8-14 mm, glabrous. At the tenth leaf stage: leaf blade +/- elliptic, apex acute, base attenuate. Seed germination time 37 to 232 days. Distribution and Ecology Leaves and fruit. © CSIRO Occurs in NT, CYP, NEQ and CEQ. Altitudinal range from near sea level to 800 m. Grows as an understory plant in well developed, undisturbed, lowland and upland rain forest. Also occurs in Malesia. Natural History & Notes This small shrub is cultivated for dense clusters of white perfumed flowers which occur at the ends of the stems and the red fruits that follow. Synonyms Fruit, several views and cross Dias octandra L., Mant. Pl. : 69(1767), Type: India; holo: LINN?. Phaleria pedunculata section. © W. T. Cooper C.T.White, Queensland Department of Agriculture and Stock. Botany Bulletin 21: 19(1919), Type: Queensland, Yarrabah (Cairns District), N. Michael; holo: BRI?. Phaleria neumannii (F.Muell.) Benth., Flora Australiensis 6: 38(1873). Phaleria blumei var. latifolia Benth., Flora Australiensis 6: 38(1873), Type: Queensland. Cape York, MGillivray, W.Hill, Daemel. Also on Tara and Sumatra. Drimyspermum neumanni F.Muell., Fragm. 5: 26(1865), Type: Queensland, Herbert River, J. Dallachy; holo: MEL?. RFK Code Leaves and fruit. © CSIRO 3238 Scale bar 10mm. © CSIRO Copyright © CSIRO 2020, all rights reserved. Cotyledon stage, hypogeal germination. © CSIRO 10th leaf stage. © CSIRO Web edition hosted at https://apps.lucidcentral.org/rainforest.

Copy Link

Recommended publications

Thymelaeaceae)
Origin and diversification of the Australasian genera Pimelea and Thecanthes (Thymelaeaceae) by MOLEBOHENG CYNTHIA MOTS! Thesis submitted in fulfilment of the requirements for the degree PHILOSOPHIAE DOCTOR in BOTANY in the FACULTY OF SCIENCE at the UNIVERSITY OF JOHANNESBURG Supervisor: Dr Michelle van der Bank Co-supervisors: Dr Barbara L. Rye Dr Vincent Savolainen JUNE 2009 AFFIDAVIT: MASTER'S AND DOCTORAL STUDENTS TO WHOM IT MAY CONCERN This serves to confirm that I Moleboheng_Cynthia Motsi Full Name(s) and Surname ID Number 7808020422084 Student number 920108362 enrolled for the Qualification PhD Faculty _Science Herewith declare that my academic work is in line with the Plagiarism Policy of the University of Johannesburg which I am familiar. I further declare that the work presented in the thesis (minor dissertation/dissertation/thesis) is authentic and original unless clearly indicated otherwise and in such instances full reference to the source is acknowledged and I do not pretend to receive any credit for such acknowledged quotations, and that there is no copyright infringement in my work. I declare that no unethical research practices were used or material gained through dishonesty. I understand that plagiarism is a serious offence and that should I contravene the Plagiarism Policy notwithstanding signing this affidavit, I may be found guilty of a serious criminal offence (perjury) that would amongst other consequences compel the UJ to inform all other tertiary institutions of the offence and to issue a corresponding certificate of reprehensible academic conduct to whomever request such a certificate from the institution. Signed at _Johannesburg on this 31 of _July 2009 Signature Print name Moleboheng_Cynthia Motsi STAMP COMMISSIONER OF OATHS Affidavit certified by a Commissioner of Oaths This affidavit cordons with the requirements of the JUSTICES OF THE PEACE AND COMMISSIONERS OF OATHS ACT 16 OF 1963 and the applicable Regulations published in the GG GNR 1258 of 21 July 1972; GN 903 of 10 July 1998; GN 109 of 2 February 2001 as amended.
[Show full text]
IFE and Wlldll ITAT of AMERICAN SA VIRONMENT and ECOLO
IFE AND WlLDLl ITAT OF AMERICAN SA VIRONMENT AND ECOLO By A. Binion Amerson, Jr., W. Arthur Whistler, and Terry D. Schwaner Environment Consultants, Inc., Dallas, Texas Edited by Richard C. Banks U.S. Fish and Wildlife Service Washington, D.C. UNITED STATES DEPARTMENT OF T E INTERIOR FISH AND WILDLIFE SERVICE Washington, D.C. e 1982 Foreword A survey of the status of the wildlife and wildlife habitat of American Samoa. an unincorporated Territory of the United States. was recommended by administrative officials of the U.S. Fish and Wildlife Service (FWS) in the early 1970s .Environ- ment Consultants. Inc . (ECI). based in Dallas. Texas. was selected to conduct a 2-year survey with A .Binion Amerson. Jr., as Principal Investigator . The contract was administered through the Division of Federal Aid in FWS Region I. Portland. Oregon . The primary objectives of the survey were (1) to define the major ecosystems and to inventory their physical components. vegetation. and wildlife constituents; (2) to prepare maps of these ecosystems; (3) to identify any threatened or endangered species of wildlife; and (4) to recommend wildlife management opportunities and needs . The report of the survey was to be in two parts . The first was to be a non-technical account suitable for wide general distribution; the second was to include the technical aspects of the data and data gathering. with accounts of the wildlife species . This volume represents the first part of ECI's report . The final report submitted by ECI contained more than 1. 200 pages. 200 figures. and 110 tables. many of thelatter several pages long .
[Show full text]
Phylogeny of the Tropical Tree Family Dipterocarpaceae Based on Nucleotide Sequences of the Chloroplast Rbcl Gene1
American Journal of Botany 86(8): 1182±1190. 1999. PHYLOGENY OF THE TROPICAL TREE FAMILY DIPTEROCARPACEAE BASED ON NUCLEOTIDE SEQUENCES OF THE CHLOROPLAST RBCL GENE1 S. DAYANANDAN,2,6 PETER S. ASHTON,3 SCOTT M. WILLIAMS,4 AND RICHARD B. PRIMACK2 2Biology Department, Boston University, Boston, Massachusetts 02215; 3Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 02138; and 4Division of Biomedical Sciences, Meharry Medical College, 1005 D. B. Todd, Jr. Boulevard, Nashville, Tennessee 37208 The Dipterocarpaceae, well-known trees of the Asian rain forests, have been variously assigned to Malvales and Theales. The family, if the Monotoideae of Africa (30 species) and South America and the Pakaraimoideae of South America (one species) are included, comprises over 500 species. Despite the high diversity and ecological dominance of the Dipterocar- paceae, phylogenetic relationships within the family as well as between dipterocarps and other angiosperm families remain poorly de®ned. We conducted parsimony analyses on rbcL sequences from 35 species to reconstruct the phylogeny of the Dipterocarpaceae. The consensus tree resulting from these analyses shows that the members of Dipterocarpaceae, including Monotes and Pakaraimaea, form a monophyletic group closely related to the family Sarcolaenaceae and are allied to Malvales. The present generic and higher taxon circumscriptions of Dipterocarpaceae are mostly in agreement with this molecular phylogeny with the exception of the genus Hopea, which forms a clade with Shorea sections Anthoshorea and Doona. Phylogenetic placement of Dipterocarpus and Dryobalanops remains unresolved. Further studies involving repre- sentative taxa from Cistaceae, Elaeocarpaceae, Hopea, Shorea, Dipterocarpus, and Dryobalanops will be necessary for a comprehensive understanding of the phylogeny and generic limits of the Dipterocarpaceae.
[Show full text]
Hypoglycemic and Anti-Hyperglycemic Study of Phaleria Macrocarpa Fruits Pericarp
Journal of Medicinal Plants Research Vol. 6(10), pp. 1982-1990, 16 March, 2012 Available online at http://www.academicjournals.org/JMPR DOI: 10.5897/JMPR11.1683 ISSN 1996-0875 ©2012 Academic Journals Full Length Research Paper Hypoglycemic and anti-hyperglycemic study of Phaleria macrocarpa fruits pericarp Rabyah B. Ali1, Item J. Atangwho1,2*, Navneet Kuar1, Elsnoussi A. H. Mohamed1, Ali J. Mohamed1, Mohd. Z. Asmawi1 and Roziahanim Mahmud1 1School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden 11800, Penang, Malaysia. 2Department of Biochemistry, College of Medical Sciences, University of Calabar, P. M. B. 1115, Calabar, Nigeria. Accepted 11 January, 2012 Fruits of Phaleria macrocarpa are used in the traditional health system of the Indonesians and lower course of Malaysia, as effective remedy and management for diabetes mellitus. This study therefore investigated the hypoglycemic and anti-hyperglycemic effects of P. macrocarpa extracts in normal and diabetic rats, respectively. The fruits were sequentially extracted in petroleum ether, methanol and water to obtained 3 extracts. Blood glucose response to acute dose of the extracts (1g/kg b.w.) and intra-peritoneal glucose tolerance test (IPGTT) was performed in normal rats and a 12-day anti-hyperglycemic activity study was carried out in diabetic rats. The extracts exerted no effect in acute dose study. However, the methanol and water extracts showed a non significant blood glucose lowering effect between the 30 and 120 min in IPGTT, compared with the normal control. In diabetic rats, methanol extract only, lowered blood glucose by 56.25 and 58.33% (P<0.05) after a 12-day treatment compared with diabetic control (DC) and pre-treatment values, respectively; an effect similar to metformin, glibenclamide and insulin treated groups.
[Show full text]
Recommended Plants for Landscaping
Recommended Top End Native Plants for Landscaping Attract Birds, Fragrant Flowers, Edible Fruit, Feature Plants, Screening Shrubs, Large Trees, Screening Trees Attract Birds Notes Aidia racemosa Small evergreen, dense tree. White fragrant flowers, red edible fruit. Alphitonia incana Soap Tree. Fast growing pioneer species, layered branching, black fr. Asteromyrtus symphyocarpa Liniment Tree. Small tree, showy yellow globular flowers. Breynia cernua Small evergreen screening shrub with red berries. Buchanania arborecens Erect slender evergreen tree densely foliated, cream fl, small edible fr. Callicarpa candicans Multi-stemmed small shrub with purple fruit. Carallia brachiata Medium tree, spreading branches, corky bark, red edible fruit. Ficus spp Small to large trees with edible fruit. Flueggea virosa Small shrub with white fruit. Attracts birds. Healing qualities. Grevillea spp Small shrubs or trees with colourful, spectacular flowers. Helicteres isora Small woody shrub with yellow/orange/red flowers, spiral fruit. Hydriastele wendlandiana Slender clumping palm with red fruit. Moisture needed. Jasminum spp Shrub or climber with white, highly scented flowers. Leea indica Evergreen shrub to 5 m with attractive leaves. Cream flowers, red fruit. Leea rubra Small shrub, 1-3 m. Attractive leaves, red flowers, black edible fruit. Maranthes corymbosa Hardy large screening tree, termite resistant. Cream flowers. Melicope elleryana Large slender, fast growing tree. Cream to pink flowers, corky bark. Schefflera actinophylla Umbrella Tree. Slender, multi-stemmed, fast growing. Red flowers. Syzygium spp Evergreen trees. Colourful flowers and fruit, edible. Fragrant Flowers Notes Aglaia brownii Small evergreen tree, tiny yellow flowers, orange fruit. Aidia racemosa Small evergreen, dense tree. White fragrant flowers, red edible fruit. Clerodendrum inerme Small shrub with white flowers, edible fruit.
[Show full text]
THE POTENTIAL USE of Phaleria Macrocarpa LEAVES EXTRACT AS an ALTERNATIVE DRUG for BREAST CANCER AMONG WOMEN LIVING in POVERTY
ISSN 2477-0531 THE POTENTIAL USE OF Phaleria macrocarpa LEAVES EXTRACT AS AN ALTERNATIVE DRUG FOR BREAST CANCER AMONG WOMEN LIVING IN POVERTY Hermansyah Amir1, Bambang Gonggo Murcitro2*, Ahmad Shamsudin Ahmad3, and Murni Nur Islamiah Kassim3 1 Faculty of Education, University of Bengkulu Bengkulu, Jl. W.R. Supratman, Kandang Limun, Bengkulu 38371A, Indonesia 2 Faculty of Agriculture, University of Bengkulu, Jl. W.R. Supratman, Kandang Limun, Bengkulu 38371A, Indonesia 3 Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Terengganu, Terengganu, Malaysia *Corresponding Author: [email protected] ABSTRACT Cancer is recognized as global threat to human development and it was estimated that in 2030 there will be 22.2 million new cases of cancer and 12.7 million cancer-related deaths worldwide. Herbal medicine plant till this day all over in the word is still the main source and one of the most important fields of traditional medicine agents to fight breast cancer. The usage of plants is still important because has its own beaviour advantages such as low toxicity, easy to get, cheap and has less side effect if it is used in a right. One of this plant that has been used as a traditional medicine is a Phaleria macrocarpa (Scheff) Boerl) also known as Mahkota Dewa from Papua island. It has been used traditionally for treatment of cancers in Indonesia and also to cure many diseases. The therapeutic effect of P. macrocarpa is related to its bioactive compounds contents. There are many reported compounds from P. macrocarpa, which are found, reported and published such as Icariside, phalerin, mangiferin, gallic acid, 29-Norcucurbitacin, gentiobioside and glucoside.
[Show full text]
Caralluma Fimbriata- an Important Medicinal Plant: a Review of Its Traditional Uses, Phytochemistry and Pharmacological Properties
International Journal of PharmTech Research CODEN (USA): IJPRIF, ISSN: 0974-4304, ISSN(Online): 2455-9563 Vol.9, No.5, pp 223-230, 2016 Caralluma fimbriata- An Important Medicinal Plant: A Review of Its Traditional Uses, Phytochemistry and Pharmacological Properties S. Gayathri Devi* and R. Dhamotharan Department of Plant biology and Plant Biotechnology, Presidency College, Chennai- 600005, Tamilnadu, India Abstract : Medicinal herbs are moving from fringe to mainstream use with a greater number of people seeking remedies and health approaches free from side effects caused by synthetic chemicals. India officially recognizes over 3000 plants for their medicinal value. It is generally estimated that over 6000 plants in India are in use in traditional, folk and herbal medicine. This article aims to provide a comprehensive review on the phytochemical and pharmacological aspects of Caralluma fimbriata. It is obtained from forests throughout greater parts of India, it is widely used in traditional medicinal system of India has been reported to possess anti-obesity, antioxidant, and anticancer activity. It is known as a rich source of tannins, flavonoids, phenols and glycosides. The innumerable medicinal properties and therapeutic uses of Caralluma fimbriata as well as its phytochemical investigations prove its importance as a valuable medicinal plant. Keywords Caralluma fimbriata, Pharmacological activities, Phytochemistry, Traditional uses. Introduction Over the last few years, researchers have aimed at identifying and validating plant-derived substances for the treatment of various diseases. Interestingly it is estimated that more than 25% of the modern medicines are directly or indirectly derived from plants. It is worth mentioning that Indian medicinal plants are considered as a vast source of several pharmacologically principles and compounds that are commonly used as home remedies against multiple ailments [1].
[Show full text]
Review on Phaleria Macrocarpa Pharmacological And
ing: Op gn en si A e c D c g e s u r s D Drug Designing: Open Access Alara OR, et al., Drug Des 2016, 5:3 DOI: 10.4172/2169-0138.1000134 ISSN: 2169-0138 Review Article Open Access Review on Phaleria macrocarpa Pharmacological and Phytochemical Properties Alara OR1*, Alara JA2 and Olalere OA1 1Department of Chemical Engineering, Ladoke Akintola University of Technology, P.M.B 4000, Ogbomoso, Nigeria 2Department of Biomedical Science, Ladoke Akintola University of Technology, P.M.B 4000, Ogbomoso, Nigeria *Corresponding author: Alara OR, Department of Chemical Engineering, Ladoke Akintola University of Technology, P.M.B 4000, Ogbomoso, Nigeria, Tel: +2348068566311; E-mail: [email protected] Rec date: July 04, 2016; Acc date: Aug 04, 2016; Pub date: Aug 10, 2016 Copyright: © 2016 Alara OR, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Abstract Phaleria macrocarpa or Mahkota Dewa has been a unique plant because of its antioxidant, anti-inflammatory and anti-cancer properties. The phytochemical studies of this plant have revealed the presence of bioactive compounds: phenolic compound, terpenes (isoprenoids) compounds, alkaloids compounds, and benzophenones compounds. Researches done on its have shown its ability to treat some diseases and serves as herbal medicines. The aim of this review is to summarize and evaluate the existing researches regarding the pharmacological effects, phytochemical properties, and toxicological studies of Phaleria macrocarpa. This review is expected to be useful for researchers working on the potential roles of Phaleria macrocarpa in the treatment of diseases or for product development.
[Show full text]
Lignans in Phaleria Macrocarpa (Scheff.) Boerl. and in Linum Flavum Var
Lignans in Phaleria macrocarpa (Scheff.) Boerl. and in Linum flavum var. compactum L. [Lignane in Phaleria macrocarpa (Scheff.) Boerl. und Linum flavum var. compactum L.] Inaugural-Dissertation zur Erlangung des Doktorgrades der Mathematisch-Naturwissenschaftlichen Fakultät der Heinrich-Heine-Universität Düsseldorf vorgelegt von Ahmad Saufi aus Mataram, Indonesien Düsseldorf 2007 Aus dem Institut für Entwicklungs- und Molekularbiologie der Pflanzen der Heinrich-Heine-Universität Düsseldorf Gedruckt mit der Genehmigung der Mathematisch-Naturwissenschaflichen Fakultät der Heinrich-Heine-Universität Düsseldorf Referent: Prof. Dr. August Wilhelm Alfermann Korreferent: Prof. Dr. Peter Proksch Tag der mündlichen Prüfung: 27.11.2007 Erklärung Hiermit erkläre ich eidesstattlich, dass ich die vorliegende Dissertation mit dem Titel „Lignans in Phaleria macrocarpa (Scheff.) Boerl. and in Linum flavum var. compactum L. [Lignane in Phaleria macrocarpa (Scheff.) Boerl. und Linum flavum var. compactum L.]“ selbstständig verfasst und keine anderen als die angegebenen Hilfsmittel und Quellen benutzt habe. Düsseldorf, den 22. Oktober 2007 Ahmad Saufi i ACKNOWLEDGEMENT Praise be to Allah, The Most Gracious, The Most Merciful, it is only by His Blessing that I could finish this doctoral dissertation. I dedicate this work to my beloved late father Mr. H. Abdul Hakim who encouraged me in everlasting studies. I would like to express my gratitude to my supervisors: Prof. Dr. August Wilhelm Alfermann who provided me with the opportunity to pursue my goals and the direction to achieve them and Dr. Elisabeth Fuss for many fruitful discussions especially about the molecular biological experiments. Thanks are given to Prof. Dr. Peter Proksch for his time as a co-referee. I would like to thank Prof.
[Show full text]
Plant Biodiversity Science, Discovery, and Conservation: Case Studies from Australasia and the Pacific
Plant Biodiversity Science, Discovery, and Conservation: Case Studies from Australasia and the Pacific Craig Costion School of Earth and Environmental Sciences Department of Ecology and Evolutionary Biology University of Adelaide Adelaide, SA 5005 Thesis by publication submitted for the degree of Doctor of Philosophy in Ecology and Evolutionary Biology July 2011 ABSTRACT This thesis advances plant biodiversity knowledge in three separate bioregions, Micronesia, the Queensland Wet Tropics, and South Australia. A systematic treatment of the endemic flora of Micronesia is presented for the first time thus advancing alpha taxonomy for the Micronesia-Polynesia biodiversity hotspot region. The recognized species boundaries are used in combination with all known botanical collections as a basis for assessing the degree of threat for the endemic plants of the Palau archipelago located at the western most edge of Micronesia’s Caroline Islands. A preliminary assessment is conducted utilizing the IUCN red list Criteria followed by a new proposed alternative methodology that enables a degree of threat to be established utilizing existing data. Historical records and archaeological evidence are reviewed to establish the minimum extent of deforestation on the islands of Palau since the arrival of humans. This enabled a quantification of population declines of the majority of plants endemic to the archipelago. In the state of South Australia, the importance of establishing concepts of endemism is emphasized even further. A thorough scientific assessment is presented on the state’s proposed biological corridor reserve network. The report highlights the exclusion from the reserve system of one of the state’s most important hotspots of plant endemism that is highly threatened from habitat fragmentation and promotes the use of biodiversity indices to guide conservation priorities in setting up reserve networks.
[Show full text]
The Ethnomedicinal, Phytochemical and Pharmacological Properties of Phaleria Macrocarpa (Scheff)
LJMU Research Online Basar, N, Othman, SNAM, Nahar, L and Sarker, SD The ethnomedicinal, phytochemical and pharmacological properties of Phaleria macrocarpa (Scheff). Boerl http://researchonline.ljmu.ac.uk/id/eprint/222/ Article Citation (please note it is advisable to refer to the publisher’s version if you intend to cite from this work) Basar, N, Othman, SNAM, Nahar, L and Sarker, SD (2014) The ethnomedicinal, phytochemical and pharmacological properties of Phaleria macrocarpa (Scheff). Boerl. TANG – Humanitas Traditional Medicine, 4 (4). e22-1-e22-12. ISSN 2233-8985 LJMU has developed LJMU Research Online for users to access the research output of the University more effectively. Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Users may download and/or print one copy of any article(s) in LJMU Research Online to facilitate their private study or for non-commercial research. You may not engage in further distribution of the material or use it for any profit-making activities or any commercial gain. The version presented here may differ from the published version or from the version of the record. Please see the repository URL above for details on accessing the published version and note that access may require a subscription. For more information please contact [email protected] http://researchonline.ljmu.ac.uk/ Review The ethnomedicinal, phytochemical and pharmacological properties of Phaleria macrocarpa (Scheff). Boerl. Siti Nur Atiqah Md Othman1, Satyajit Dey Sarker2, Lutfun Nahar2, Norazah Basar1,2,* 1Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia; 2Medicinal Chemistry and Natural Products Research Group, School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, England, UK ABSTRACT Phaleria macrocarpa (Scheff.) Boerl.
[Show full text]
Effects of Temperature and Relative Humidity on the Life Table of Phenacoccus Solenopsis Tinsley (Hemiptera: Pseudococcidae) on Cotton
Kumar et al.: Life Table of Phenacoccus solenopsis on Cotton 19 EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON THE LIFE TABLE OF PHENACOCCUS SOLENOPSIS TINSLEY (HEMIPTERA: PSEUDOCOCCIDAE) ON COTTON SANJEEV KUMAR1*, JASPREET K. SIDHU2, JASON C. HAMM3, JAGDEV S. KULAR1 AND MANJIT S. MAHAL1 1,*Department of Entomology, Regional Research Station, Punjab Agricultural University, Bathinda-151001, Punjab, India 2Louisiana State University Agricultural Center, Department of Entomology, 404 Life-Sciences Building, Baton Rouge, LA 70810, USA 3DuPont Crop Protection, Stine-Haskell Research Center, Newark, DE 19711, USA *Corresponding author; E-mail: [email protected] ABSTRACT Phenacoccus solenopsis, the cotton mealy bug, has emerged as a serious pest of cotton in India, necessitating basic studies on its development and survival at different temperatures (20, 25, 30 and 35 °C) and relative humidities (RH) (65, 75 and 85 ± 1 %) levels to ascertain optimal population growth. A life table was constructed using temperature and humidity. The nymphal duration was 20.2 d at 35 ± 1 °C and 65 ± 1% RH, but lengthened to 26.6 days at 20 ± 1 °C and both RH combinations. Adult longevity was 16.4 days at 20 ± 1° C and 65% RH, but 10.8 days at 35 °C at the same RH; however it was 6.4 days at a temperature of 20 ± 1 °C and 75% RH. Fecundity was at its maximum (489 nymphs/female) at 35 ± 1 °C and 65% RH, with lower fe- cundity at 75% RH across all temperature levels. The net reproductive rate (Ro) and finite rate of increase (λ) were 141.3 females/female/generation and 1.24 fold per female per day, respectively at 35 ± 1 °C and 65% RH suggesting that the population would increase more than 140 times per generation and 1.24 times per female per day.
[Show full text]