E3S Web Conf.
Volume 306, 2021The First International Conference on Assessment and Development of Agricultural Innovation (1st ICADAI 2021)
|Number of page(s)||8|
|Published online||24 September 2021|
Bio-intensive integrated control of tungro disease in the rice field
Indonesian Tungro Disease Research Station. Jl.Bulo No.101 Lanrang, South Sulawesi, Indonesia
* Corresponding author: firstname.lastname@example.org
This research aims to gain the technology of bio-intensive integrated control of tungro. The experiments were done in a split-plot design with three replications. The main plot consisted of Bio-intensive integrated control, compared to Conventional control. The subplots are: 1) the susceptible varieties (TN1), 2) green leafhopper–resistant varieties (IR64), and 3) tungro resistant varieties (Inpari 9 Elo). The subplots are 10 m x 10 m, and every subplot is replicated three times. Variables observed were the population density of green leafhopper (GLH) and the predators, the percentage of tungro incidence, and the grain yield. The results showed that the population of GLH in the plots of bio-intensive integrated control (27.32, 2.34, 4.83, and 5.16) was lower than the population of GLH in conventional control (34.00, 21.17, 7.84, and 6.50). The GLH population density tends to be higher in varieties TN1 than the other varieties both in bio-intensive and conventional control. It is found that 12 species of predator exist in all varieties of bio-intensive control and conventional plots. At 8 WAT the infection of RTV on all varieties in bio-intensive plot control is lower (0.67 - 2.67%) than the incidence of tungro in conventional plot control (3.00 - 8.67%).
© The Authors, published by EDP Sciences, 2021
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