Within-plant distribution and rapid assessment of sugarcane rust mite population on sugarcane canopy - Archive ouverte HAL
Article Dans Une Revue Acarologia Année : 2024

Within-plant distribution and rapid assessment of sugarcane rust mite population on sugarcane canopy

Résumé

Sugarcane rust mite (SRM), Abacarus sacchari, has been recognized in Florida since 1983. However, no detection technique had been developed yet, whereas a reliable, effective, and efficient technique is important in a mite management practice. The purposes of this study were to determine the within-plant distribution and to develop a sampling technique for SRM. The study was carried out in sugarcane fields naturally infested with the mite population. The mite distribution was identified with the visual direct counting technique and the imprinting technique. Subsequently, the effectiveness and reliability of both techniques were evaluated. The results showed that the within-plant distribution of mite populations was more concentrated in the middle canopy than in the upper or lower canopies. Furthermore, the mite sampling of the middle portion of the leaf could represent the entire mite population on the plant. More importantly, the imprinting technique was reliable, especially when the third or fourth (+3 or +4) fully expanded leaf was taken as sample, resulting in relative variation (RV) as low as 12.9% and 12.4%, respectively; therefore, the imprinting technique is a promising technique for population monitoring programs.
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hal-04625574 , version 1 (26-06-2024)
hal-04625574 , version 2 (26-08-2024)

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Nur Asbani, Ronald H Cherry, Julien M Beuzelin, Hardev S Sandhu, Oscar E Liburd, et al.. Within-plant distribution and rapid assessment of sugarcane rust mite population on sugarcane canopy. Acarologia, 2024, 64 (3), pp.733-744. ⟨10.24349/bk7t-z0f0⟩. ⟨hal-04625574v2⟩

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