Pests and Their Management in Coconut

Mohan, Chandrika; Josephrajkumar, A.; Prathibha, P. S.; Sujithra, M.; Sajan, Jilu V.; Anes, K. M.

doi:10.1007/978-981-19-0343-4_60

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…In Figure 4, one village in Northwest Rote District, the attack intensity was classified as a moderate category, with average damage intensity for coconut plants reaching 32.22%. [13,19,20,21,22]. Coconut beetles damage coconut plants by tunnelling into coconut leaves, thus diminishing the photosynthesis process, ultimately resulting in stunted plant growth.…”

Section: Iccesimentioning

confidence: 99%

“…In addition, coconut also serves as the source for animal feed and traditional cooking oil, as well as an importance source of income by selling copra, the dried coconut meat. However, copra production decreased 12.33% in 2018-2019, further decreased 11.60% in 1920-1920, and although much smaller, decreased by 1% in 1920-1921 [16]. This decrease in copra production could be due to infestation by pests, most likely CRB, considering the dry climate of the district is suitable for the population growth of the beetle [17].…”

Section: Introductionmentioning

confidence: 99%

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Damage Intensity and Geographic Distribution of Oryctes rhinoceros on Coconut in Rote-Ndao, East Nusa Tenggara Province, Indonesia

Nenotek,

Simamora,

Hahuly

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Oryctes rhinoceros poses a significant threat to coconut plants in several coconut-producing nations, including Rote Ndao District. Recognizing the distribution and severity of crop damage caused by this pest in Rote Ndao Regency is crucial for preemptively preventing pest outbreaks and evaluated the extent of the damage. This study aims estimate the damage intensity and to identify the geographic distribution of O. rhinoceros in the Rote Ndao District. Conducted through a mobile across central coconut production areas in every sub-district of Rote Ndao Regency, the study examined variables such as damage symptoms, damage intensity, and spatial data represented coordinate points. Analysis of damage intensity data involved calculating average values. These coordinates were then overlaid with administrative data for Ndao Regency to create a map illustrating the distribution of damage severity. The results showed that O. rhinoceros attack symptoms on coconut plants were in ninety-five villages in ten sub-districts in Rote Ndao Regency. This pest is categorized as a pest important because the damage intensity map was found in ten sub-districts in Rote Ndao Regency. Average damage intensity is 8.99%. Multiple approaches, including sanitation environmental, sex pheromones, and entomopathogenic fungi, are employed to manage this pest effectively.

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Section: Iccesimentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Damage Intensity and Geographic Distribution of Oryctes rhinoceros on Coconut in Rote-Ndao, East Nusa Tenggara Province, Indonesia

Nenotek,

Simamora,

Hahuly

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Chalcidid parasitoids (Hymenoptera: Chalcididae) of Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae) on coconut palm in southern India

BINOY,

NIVETHA,

ARULPRAKASH

2024

Zootaxa

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Eleven chalcidid pupal parasitoids (Hymenoptera: Chalcididae) of the black headed caterpillar (BHC), Opisina arenosella Walker, 1864 (Lepidoptera: Xyloryctidae) were reared from the South Indian states of Karnataka, Kerala and Tamil Nadu. Antrocephalus lugubris (Masi, 1932), Haltichella macrocera (Waterston, 1922) and Kriechbaumerella destructor (Waterston, 1922) are newly reported as parasitoids of BHC pupae. Also reported are A. hakonensis (Ashmead, 1904), A. phaeospilus Waterston, 1922, Brachymeria atteviae Joseph Narendran & Joy, 1972, B. megaspila (Cameron, 1907), B. nephantidis Gahan, 1930, B. nosatoi Habu, 1966, B. podagrica (Fabricius, 1787), and Psilochalcis carinigena (Cameron, 1907). Diagnoses, illustrations and new distributional data given for the 11 species and they are keyed together with six other chalcidid species known to be parasitoids of O. arenosella.

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Invasive Whitefly (Hemiptera: Aleyrodidae) Complex and Diversity in Coconut Landscapes in Tamil Nadu

Chandrasekaran,

Subramanian,

Marimuthu

et al. 2023

Journal of Entomological Science

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Coconut, Cocos nucifera L., in Tamil Nadu, India, was invaded by four whitefly (Hemiptera: Aleyrodidae) species between 2016 and 2019, increasing the total to six, along with Aleurodicus dispersus Russell and Aleurocanthus arecae David and Manjunatha. We examined the complexity and diversity of whiteflies in coconut across different agroclimatic zones of Tamil Nadu and found high and low damage levels by whiteflies at Veppankulam (70.4%) and Rameswaram (11.0%), respectively. The rugose spiraling whitefly, Aleurodicus rugioperculatus Martin, was the most dominant species but was effectively managed by the parasitoids Encarsia guadeloupae Viggiani and E. dispersa Polaszek, with the highest rate parasitism of 83.8% at Aliyar Nagar and the lowest (2.9%) in the Kanchipuram district. Aleurodicus rugioperculatus and Bondar’s nesting whitefly, Paraleyrodes bondari Peracchi, have spread throughout Tamil Nadu. The population of A. rugioperculaus was high at Veppankulam and that of P. bondari was higher at Dharmapuri (28.6 and 31.1 adults/leaflet, respectively). All five invasive whitefly species in coconut were found only in 7 of 34 locations—Coimbatore, Sirumugai, Salem, Dharmapuri, Krishnagiri, Vellore, and Erode. Paraleyrodes minei Iaccarino and Aleurotrachelus atratus Hempel were distributed in the northwestern zone adjoining the western ghats of Tamil Nadu. Coconut plantations at Sirumugai (western ghats) supported the most diverse collection of whiteflies, with 0.61 and 1.09 Simpson and Shannon diversity indices. Among the 29 districts, adjoining Dindigul and Theni districts showed the highest Bray–Curtis Similarity Matrix. Butterfly palm, Dypsis lutescens H. Wendel, custard apple, Annona squamosa L., and guava, Psidium guajava L., are whitefly hosts in coconut landscapes.

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Pests and Their Management in Coconut

Cited by 3 publications

References 5 publications

Damage Intensity and Geographic Distribution of Oryctes rhinoceros on Coconut in Rote-Ndao, East Nusa Tenggara Province, Indonesia

Damage Intensity and Geographic Distribution of Oryctes rhinoceros on Coconut in Rote-Ndao, East Nusa Tenggara Province, Indonesia

Chalcidid parasitoids (Hymenoptera: Chalcididae) of Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae) on coconut palm in southern India

Invasive Whitefly (Hemiptera: Aleyrodidae) Complex and Diversity in Coconut Landscapes in Tamil Nadu

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