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Effects of PICS bags on insect pests of sorghum during long-term storage in Burkina Faso
Journal of Stored Products Research ( IF 2.7 ) Pub Date : 2019-09-01 , DOI: 10.1016/j.jspr.2019.07.010
Antoine Waongo 1 , Fousséni Traore 1 , Malick N Ba 2 , Clémentine Dabire-Binso 1 , Larry L Murdock 3 , Dieudonné Baributsa 3 , Antoine Sanon 4
Affiliation  

The PICS bags, originally developed for cowpea storage, were evaluated for sorghum (Sorghum bicolor) preservation. Batches of 25 kg of sorghum grain were stored in 50 kg PICS or polypropylene (PP) bags under ambient conditions for 12 months and assessed for the presence of insect pests and their damage, seed viability and, oxygen and carbon dioxide variations. The grain was incubated for 35 days to assess whether any insects would emerge. After six months of storage, oxygen levels decreased in the PICS bags compared to polypropylene bags. After 12 months of storage, only two pests, Rhyzopertha dominica and Sitophilus zeamais were found in the PICS bags. However, in PP bags there were additional pests including Tribolium castaneum and Oryzeaphilus mercator and Xylocoris flavipes. Grain weight loss and damage caused by these insects in the PP bags were significantly higher compared to those stored in PICS bags. Germination rates of sorghum grains stored in PP bags decreased significantly while no changes were observed in grains stored in PICS bags when compared to the initial germination. After the incubation post storage period, there was a resurgence of R. dominica in sorghum grains from PICS bags but the population levels were significantly lower compared to polypropylene bags. PICS bags preserved the quality and viability of stored sorghum grains and protected it from key insect pests. The PICS technology is effective for long-term sorghum storage but the potential resurgence of insects in low-oxygen environment calls for further research.

中文翻译:

PICS袋对布基纳法索长期贮藏高粱害虫的影响

最初为豇豆储存而开发的 PICS 袋用于高粱(双色高粱)的保存。将 25 公斤高粱谷物批次在 50 公斤 PICS 或聚丙烯 (PP) 袋中在环境条件下储存 12 个月,并评估害虫的存在及其损害、种子活力以及氧气和二氧化碳的变化。将谷物孵育 35 天以评估是否会出现任何昆虫。储存六个月后,与聚丙烯袋相比,PICS 袋中的氧气含量降低。经过 12 个月的储存,在 PICS 袋中只发现了两种害虫,Rhyzopertha dominica 和 Sitophilus zeamais。然而,在 PP 袋中还有其他害虫,包括 Tribolium castaneum 和 Oryzeaphilus mercator 和 Xylocoris flavipes。与储存在 PICS 袋中的相比,PP 袋中这些昆虫造成的谷物重量损失和损害明显更高。与初始发芽相比,储存在 PP 袋中的高粱籽粒的发芽率显着下降,而储存在 PICS 袋中的高粱籽粒的发芽率没有变化。在储存后的孵化期后,来自 PICS 袋的高粱谷物中又出现了多米尼克红毛虫,但与聚丙烯袋相比,其种群水平明显较低。PICS 袋保持了储存的高粱谷物的质量和活力,并保护其免受主要害虫的侵害。PICS 技术对于长期储存高粱是有效的,但昆虫在低氧环境中的潜在死灰复燃需要进一步研究。与初始发芽相比,储存在 PP 袋中的高粱籽粒的发芽率显着下降,而储存在 PICS 袋中的高粱籽粒的发芽率没有变化。在储存后的孵化期后,来自 PICS 袋的高粱谷物中又出现了多米尼加罗非鱼,但与聚丙烯袋相比,种群水平显着降低。PICS 袋保持了储存的高粱谷物的质量和活力,并保护其免受主要害虫的侵害。PICS 技术对于长期储存高粱是有效的,但昆虫在低氧环境中的潜在死灰复燃需要进一步研究。与初始发芽相比,储存在 PP 袋中的高粱籽粒的发芽率显着下降,而储存在 PICS 袋中的高粱籽粒的发芽率没有变化。在储存后的孵化期后,来自 PICS 袋的高粱谷物中又出现了多米尼加罗非鱼,但与聚丙烯袋相比,种群水平显着降低。PICS 袋保持了储存的高粱谷物的质量和活力,并保护其免受主要害虫的侵害。PICS 技术对于长期储存高粱是有效的,但昆虫在低氧环境中的潜在死灰复燃需要进一步研究。来自 PICS 袋的高粱谷物中 R. dominica 重新出现,但与聚丙烯袋相比,其种群水平显着降低。PICS 袋保持了储存的高粱谷物的质量和活力,并保护其免受主要害虫的侵害。PICS 技术对于长期储存高粱是有效的,但昆虫在低氧环境中的潜在死灰复燃需要进一步研究。来自 PICS 袋的高粱谷物中 R. dominica 重新出现,但与聚丙烯袋相比,其种群水平显着降低。PICS 袋保持了储存的高粱谷物的质量和活力,并保护其免受主要害虫的侵害。PICS 技术对于长期储存高粱是有效的,但昆虫在低氧环境中的潜在死灰复燃需要进一步研究。
更新日期:2019-09-01
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