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Wyszukujesz frazę "aphids" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Myrmecophilous association between ants and aphids – an overview
Autorzy:
Saha, Sumana
Das, Tanusri
Raychaudhuri, Dinendra
Powiązania:
https://bibliotekanauki.pl/articles/1109492.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ants-aphids
Aphis gossypii
Myrmecophily
Rhopalosiphum maidis
Opis:
Ant-aphid mutualism is considered as a beneficial, reciprocal and myrmecophilous association. Ants farm aphids, harvesting honeydew or flesh, in return protect the aphids from their natural foe i.e. predators and parasites and perhaps for other benefits like acceleration of aphid’s growth and reproductive rate and in the establishment of aphid colony. And finally aphid could get a pest status. Some of the aphid species are better adapted to profit from the presence of ants than others and benefits are more marked in small populations than in large ones (Saha & Raychaudhuri, 1998). Therefore, it seems essential to know about the interacting ants, their relationship with aphids in any agroecosystem for a better management strategy. The present paper attempts to document the aphids and aphidocolous ants against different host plants. Our investigation during August, 2017 – July, 2018 results a total of 40 aphid infested host plants along with 7 species of aphidocolous ants. Out of 10 aphid species recorded Aphis gossypii (Glover) is tended by more no. of ant species (5) followed by Rhopalosiphum maidis (Fitch) by four (4) species of ants. Aphidocolous ants demand serious attention as their attendance promotes aphids to reach pest status as well as ant populations need a check so that they may take care of fewer aphid individuals.
Źródło:
World News of Natural Sciences; 2018, 20; 62-77
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Site and spectral hue determine landing of alate aphids for invasion to winter crops/flowering plants
Autorzy:
Saha, Sumana
Dasgupta, Sayanty
Raychaudhuri, Dinendra
Powiązania:
https://bibliotekanauki.pl/articles/1165920.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Migratory aphids
invasive species to crops
preference of colour spectrum
water pan trap
Opis:
Alatae of seven aphid species viz., Aphis gossypii Glover, Lipaphis erysimi (Kaltenbach), Macrosiphoniella sanborni (Gillette), Myzus persicae (Sulzer), Neomyzus circumflexus (Buckton), Pentalonia nigronervosa (Coquerel) & Rhopalosiphum maidis (Fitch) are sampled during August, 2017 – March, 2018 using yellow, green and red water pan traps placed at Narendrapur and Dumdum, Kolkata. Total no. of species and alate individuals are found to vary between sites and trap colour. Yellow is found to be the most preferred colour (no. of alatae: 1080). Among the seven species trapped, Aphis gossypii alatae dominate over rest of the species. All the seven species are supposed to be invasive ones to crops. From late September alate aphids initiate migration from subtropical regions to plains and continue till March. It is felt that early sowing of the winter crop/flowering plants may avoid pest aphid incidence.
Źródło:
World Scientific News; 2018, 106; 12-23
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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