Abstract
One of the most harmful pests of sugar cane is the Chilo sacchariphagus striped stem borer because it causes a decrease in the quality and quantity of sugar cane. Scratched wounds can be a place of infection of various pathogens so that it can result in fatal losses that can cause the death of sugar cane plants. The purpose of this study was to determine the concentration of tobacco liquid smoke that precisely suppressed the attack of striped stem borer. The study was conducted in the Experimental Garden Sweetener and Fiber Crops Research Institute Malang in May to September 2018. The study was conducted using a randomized block design with 3 replications. The treatments consist of: concentration of tobacco liquid smoke: 10 ml / l, 8 ml / l, 6 ml / l, 4 ml / l, 2 ml / l, Diafentiuron concentration 2 ml / l (negative control), and without treatment. Spraying of liquid tobacco smoke is done every 2 weeks. The results showed that the treatment of tobacco liquid smoke concentration had no significant effect on the intensity of the striped stem borer attack, but the number of sugar cane tillers and sugar content showed a significant effect
Highlights
The development of sugar production can increase the value of the economy, and provide employment for the community (Ardiansyah and Purnomo, 2015)
One of the most harmful insect pests of sugar cane is striped stem borer (Chilo sacchariphagus) because it causes a decrease in the quality and quantity of sugar cane
The purpose of this study was to determine the concentration of tobacco liquid smoke that precisely suppressed the attack of striped stem borer
Summary
The development of sugar production can increase the value of the economy, and provide employment for the community (Ardiansyah and Purnomo, 2015). The problem is the presence of pests that can damage the crop, one of which is a striped stem borer (Chilo sacchariphagus) These insect can reduce the quality and productivity of sugar cane causing substantial losses (Bursatriannyo,2013; Rajawali, 2018; Conlong and Goebel, 2002). This pest attack can cause losses reaching 30-45% (Meidalima and Ramadhalia, 2014; Subiyakto, 2017). Chemical pesticides can kill soil fauna so that soil fertility decreases and the soil becomes more acidic (Subiyakto, 2016) For this reason, a safe method is needed, for example by spraying plant-based liquid tobacco smoke (Misran and Erni, 2005). The purpose of this study was to determine the effect of the concentration of tobacco liquid smoke on the ISSN: 1410-3354 / e-ISSN:2615-7136
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