储藏稻谷的主要害虫是米稻米(水稻象鼻虫)。农民每年生产大量的水稻,但是由于储存设施不足和处理不当带来的虫害袭击,大部分被浪费了。在这项研究中,在Susscrofa(猪)的股骨中评估了生物炭对米曲霉的杀虫效果,鸡(鸡),和Bostaurus(牛)。成人死亡率,成人的出现,减肥,种子损伤,和象鼻虫穿孔指数是评价指标之一。为了应用生物炭,使用不同的剂量:0.2、0.4、0.6、0.8和1.0g/20g水稻。在这项工作中,通过测试所有动物骨骼生物炭的杀虫活性,水稻上成年米曲霉的种群显着减少(p<0.05)。随着剂量的增加,动物骨骼生物炭变得更加有效。治疗24小时后,猪生物炭诱导的成年米曲霉死亡率为36.67%,其次是奶牛生物炭的水稻象鼻虫死亡率为20%。牛的致命剂量,猪,处理24小时后,成年米曲霉种群的50%(LD50)的鸡生物炭为0.83g,0.43g,和0.90g,分别。应该鼓励利用由动物骨骼制成的生物炭来对抗储存稻谷中的米曲霉。它们可以用作绿色控制措施,以减少在环境中使用合成化学杀虫剂所带来的风险。
The main insect pest of stored paddy is Sitophilus oryzae (rice weevil). Huge amounts of rice are produced by peasant farmers each year, but the bulk of it is wasted due to insufficient storage facilities and insect pest attacks brought on by careless handling. In this study, the insecticidal effects of biochar on S. oryzae were assessed in femurs from Sus scrofa (pig), Gallus gallus (chicken), and Bos taurus (cattle). Adult mortality, adult emergence, weight loss, seed damage, and weevil perforation index are among the indicators evaluated. To apply the biochar, different dosages were used: 0.2, 0.4, 0.6, 0.8, and 1.0 g/20 g of paddy rice. In this work, the population of adult S. oryzae on paddy rice was dramatically reduced by all animal bones biochar tested for insecticidal activity (p < 0.05). The animal bone biochar became more effective with increasing dosage. After 24 h of treatment, pig biochar induced a 36.67 % mortality rate of adult S. oryzae, followed by cow biochar\'s 20 % mortality rate of rice weevils. The fatal dose of cattle, pig, and chicken biochar at which 50 % (LD50) of the population of adult S. oryzae responded after 24 h of treatment were 0.83g, 0.43g, and 0.90g, respectively. It should be encouraged to utilize biochar made from animal bones to combat the S. oryzae in stored paddy. They could be utilized as a green control measure to lessen the risk brought on by the usage of synthetic chemical insecticides in the environment.