Cover crops improve early season natural enemy recruitment and pest management in cotton production

Bowers, Carson; Toews, Michael D.; Liu, Yangxuan; Schmidt, Jason M.

doi:10.1101/786509

Cited by 2 publications

(2 citation statements)

References 75 publications

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“…However, careful attention must be paid to selecting ground cover plants so they do not compete with the main tree for nutrients, water, and space so that the main plant growth remains optimal. A journal article in [6] states that the use of cover crops from wheat and clover on cotton plants revealed that cover crops significantly reduced thrips attacks. Also, chinch infestation decreases in plots prepared with wheat cover compared to cotton which lacks this additional habitat.…”

Section: Fig 3: Growth Of Chili Plants Intercropped With Corn (Using Plastic Mulch)mentioning

confidence: 99%

The Role of Planting Patterns to Control Thrips from Red Chili Pepper Plants

Haerul*,

Agus,

Nasruddin

et al. 2020

IJRTE

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Chili plants are commodities that are vulnerable to various types of pests, one of the main pests is thrips. This study aims to determine the role of cropping patterns to control thrips from red chili plants, which was carried out in the Maros Regency, South Sulawesi. Planting patterns applied were: 1) chili using plastic mulch without the combination of other plants and the use of pesticides, 2) chili using plastic mulch combined with corn plants, 3) chili without plastic mulch combined with watermelon plants, 4) chili without plastic mulch combined with watermelon and corn plants, 5) chili without plastic mulch combined with corn plants and 6) chili using plastic mulch and pesticides (according to farmers' treatment). The results showed that the highest population of thrips was found in the chili cropping pattern without plastic mulch combined with watermelon and corn plants with as many as 15 T. parvispinus and 32 T. palmi thrips. Meanwhile, the chili planting pattern using plastic mulch without the combination of other plants and with the use of pesticides had the lowest average amount of thrips population weighing at 5.1 T. parvispinus and 9.5 T. palmi. T. parvispinuspopulation was lower at the beginning of the observation (during the vegetative period) and tends to increase during the generative period of chili plants. T. palmi shows the opposite trend, its population tends to be high at the beginning of plant growth (vegetative phase) and decreases its population when the plant enters the generative period. Based on the data and facts found during the study, it is concluded that: 1). The chili cropping pattern without plastic mulch combined with watermelon and corn plants showed the highest average number of thrips population compared to the other cropping patterns. 2). The abundance of populations of the two thrips species showed different fluctuations, where T. parvispinus populations tended to increase in line with plant development and T. palmi decreased according to plant development. 3). In general, the application of intercropping cropping patterns has not yet appeared to play a role in reducing the abundance of thrips population but there is an opportunity to apply cropping patterns as a method to control thrips by selecting plants that are more suitable to be combined with chili plants.

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Section: Fig 3: Growth Of Chili Plants Intercropped With Corn (Using Plastic Mulch)mentioning

confidence: 99%

The Role of Planting Patterns to Control Thrips from Red Chili Pepper Plants

Haerul*,

Agus,

Nasruddin

et al. 2020

IJRTE

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“…Conservation agriculture can improve pest management, particularly of arthropods, by fostering natural‐enemy populations (Tooker et al, 2020). Winter cover crops, for example, can harbor predator populations by providing living habitats and resources for predators outside the growing season of the cash crop (Bowers et al, 2020). Once killed, cover‐crop residues remain on the soil surface during the growing season and increase habitat for predators and alternative prey (e.g., arthropod decomposers) (Carmona & Landis, 1999).…”

Section: Introductionmentioning

confidence: 99%

Early‐season plant cover supports more effective pest control than insecticide applications

Rowen

Pearsons

Smith

et al. 2022

Ecological Applications

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Growing evidence suggests that conservation agricultural practices, like no-till and cover crops, help protect annual crops from insect pests by supporting populations of resident arthropod predators. While adoption of conservation practices is growing, most field crop producers are also using more insecticides, including neonicotinoid seed coatings, as insurance against early-season insect pests. This tactic may disrupt benefits associated with conservation practices by reducing arthropods that contribute to biological control. We investigated the interaction between preventive pest management (PPM) and the conservation practice of cover cropping. We also investigated an alternative pest management approach, integrated pest management (IPM), which responds to insect pest risk, rather than using insecticides prophylactically. In a 3-year corn (Zea mays mays L.)-soy (Glycine max L.) rotation, we measured the response of invertebrate pests and predators to PPM and IPM with and without a cover crop. Using any insecticide provided some small reduction to plant damage in soy, but no yield benefit. In corn, vegetative cover early in the season was key to reducing pest density and damage, likely by increasing the abundance of arthropod predators. Further, PPM in year 1 decreased predation compared to a no-pestmanagement control. Contrary to our expectation, the IPM strategy, which required just one insecticide application, was more disruptive to the predator community than PPM, likely because the applied pyrethroid was more acutely toxic to a wider range of arthropods than neonicotinoids. Promoting earlyseason cover was more effective at reducing pest density and damage than either intervention-based strategy. Our results suggest that the best pest management outcomes may occur when biological control is encouraged by planting cover crops and avoiding broad-spectrum insecticides as much as possible. As part of a conservation-based approach to farming, cover crops can promote naturalenemy populations that can help provide biological effective control of insect pest populations.

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Cover crops improve early season natural enemy recruitment and pest management in cotton production

Cited by 2 publications

References 75 publications

The Role of Planting Patterns to Control Thrips from Red Chili Pepper Plants

The Role of Planting Patterns to Control Thrips from Red Chili Pepper Plants

Early‐season plant cover supports more effective pest control than insecticide applications

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