دراسة كفاءة عدد من المواد في مكافحة حلم ثمار جوز الهند Aceria guerreronis Keifer (Acari: Eriophyidae)‎ في حضرموت-اليمن

الملخص EN

A number of aqueous plant extracts have been studied to find out their efficiency in controlling the coconut mite and to reduce the damaging of coconut crop.

The first experiment was executed in the area of Shuhair, district of Ghail Bawazir, Hadhramout, on 22 May 2018, and was repeated in Al-Hami, district of Ash Shihr, Hadhramout, on 29 March 2019.

The studied aqueous extracts were for neem seeds, arak fruit panicle, the fruit neem powder across the roots, Abamectin1.8%, sulfur 80%, Abamectin 1.8 bio, leaf manure Fizimite, (Copper- Oxychloride 35% + Metalaxyl 15%), in addition to the treatment of the water witness in the design of the complete random pieces.

The results showed that all transactions were outperformed the witness in the first season after one and two months of treatment at a level of 5%; while , in the second season, all the transactions outperformed the witness in the first month.

However, in the second month, all the treatments were outperformed significantly on the control at a level of 5% except the micronic sulfur which was of 80%.

The treatment of aqueous extract of arak fruits was the best treatment to protect coconut from infection with coconut mite.