Abstract
BackgroundBetel leaf is the oldest and now highly paid farmer’s crop, but the most vulnerable to insect pests, leading to massive yield drops in Bangladesh. For this reason, the experiment was carried out at the Spices Research Centre, Bangladesh, during the period of January 2018 to December 2018 and to assess the effectiveness of the different bio-rational approach against the betel leaf sucking pests. In this study, BARI Paan-3 was used as a test crop. Studies were important that sucking insect pests to include red mite population (black fly, white fly, red mite and mealy bug) has been found actively around the year in Bangladesh.ResultsStudies have shown that sucking insect population (black fly, white fly, red mite and mealy bug) has been found actively year round, whereas the maximum (22.7, 17.2, 16.1, and 14 adult/vine) and minimum (3.2, 2.8, 2.6, and 1.5 adult/vine) were recorded during the month of October and January, respectively. The results explored that the significant variations and the R2 value suggested that biotic factor contributes 57.9, 50.9, 51.3, and 53.7% variations in black fly, white fly, red spider mite, and mealy bug population. Among approaches, the highest mortality rate (80.56, 84.73, 82.44, and 90.96%) of black fly, white fly, red mite, and mealy bug over untreated control with maximum vine yield (18.61 t/ha) is recorded from sanitation + three alternate spraying of fizimite and antario.ConclusionsIt had concluded that sanitation of betel leaf garden along with three alternate spraying of fizimite (sodium lauryl ether) at 1 ml/l and antario WP (Bt + abamectin 0.1%) at 0.5 g/l recommended for an effective management of the betel vine sucking pest complex.
Highlights
Betel vine (Piper betle L.) is a perennial evergreen shade loving creeper belonging to the family Piperaceae
Researches in the recent past explore the Hossain et al Bulletin of the National Research Centre (2020) 44:51 scientific basis of the traditional uses of this plant as well as discovering new molecules in betel vine, which can be used as medicine
The white and black fly, red mite, and mealy bug have been identified as the significant constraints in increasing the leaf yield of betel vine (Giri 1995; Jana 2006)
Summary
Betel vine (Piper betle L.) is a perennial evergreen shade loving creeper belonging to the family Piperaceae. To get rid of their infestation, farmers used to apply a minimum of 5 to 6 times of pesticide sprays, and the number of sprays are increasing over the years, and the cost of cultivation has increased enormously making cultivation of betel leaf highly risky and non-profitable This results in abatement in the biodiversity of natural enemies’ vis-a-vis outbreak of secondary pests. Betel leaf is the oldest and highly paid farmer’s crop, but the most vulnerable to insect pests, leading to massive yield drops in Bangladesh For this reason, the experiment was carried out at the Spices Research Centre, Bangladesh, during the period of January 2018 to December 2018 and to assess the effectiveness of the different bio-rational approach against the betel leaf sucking pests. Studies were important that sucking insect pests to include red mite population (black fly, white fly, red mite and mealy bug) has been found actively around the year in Bangladesh
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