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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ferreira, Thiago de Freitas Souza, Ricardo Moreira Ferreira, Karla Daiana dos Santos Idali, Welington Sérgio Silva |
| Copyright Year | 2014 |
| Abstract | Mealybug wilt of pineapple (MWP) is a disease complex whose etiology seems to involve the mealybug Dysmicoccus brevipes and pineapple mealybug wilt-associated virus-1, −2 and/or −3. MWP, the reniform and the root-knot nematodes (RN, RKN) are major problems of pineapple crop worldwide. Although these nematodes are often found in MWP-affected plantations, so far, no study has investigated possible interactions among these pests causing symptoms and affecting the development of pineapple plants. Pineapple plantlets free of diseases and pests (Vitória cultivar) were inoculated with i) RN; ii) RKN; iii) viruliferous mealybugs; iv) RN and viruliferous mealybugs; and v) RKN and viruliferous mealybugs. Uninoculated plants served as controls. After inoculation, the plants were transplanted into microplots, where shoot symptoms and growth were assessed at 9 and 16 months after inoculation. RN, RKN and MWP induced distinct shoot symptoms, which appeared much worse in co-inoculated plants, including the collapse and death of nearly half of the experimental plants at 16 months. RKN, RN and MWP, alone or in combination, reduced the fresh weight of the root system up to 88 % and shoot weight up to 68 %. The interaction among these pests was additive. The results of this experiment emphasize the need for further studies conducted in commercial plantations to understand the interactions among RKN, RN and MWP, and their relative importance, since these are often misdiagnosed and consequently poorly managed. |
| Starting Page | 761 |
| Ending Page | 768 |
| Page Count | 8 |
| File Format | |
| ISSN | 09291873 |
| Journal | European Journal of Plant Pathology |
| Volume Number | 141 |
| Issue Number | 4 |
| e-ISSN | 15738469 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2014-12-19 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Reniform nematode Root-knot nematode Dysmicoccus brevipes Pineapple mealybug wilt-associated virus Ananas comosus Plant Pathology Plant Sciences Ecology Agriculture Life Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Horticulture Agronomy and Crop Science |
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