scholarly journals Strategi Pengendalian Invasi Hama Baru Ulat Grayak Jagung, Spodoptera frugiperda, Di Daerah Sentra Produksi Kabupaten Lombok Barat

2021 ◽  
Vol 2 (2) ◽  
pp. 100-106
Author(s):  
Bambang Supeno ◽  
Tarmizi ◽  
Hery Haryanto ◽  
Ni Made Laksmi Ernawati ◽  
M. Taufik Fauzi

Tanaman jagung pada musim tanam tahun lalu hingga sekarang terancam oleh datangnya Hama Baru dari benua Amerika, yaitu hama ulat grayak jagung (fall armyworm/FAW). Hama ulat grayak jagung, Spodoptera frugiperda telah menyebar di seluruh wilayah Indonesia, termasuk Provinsi NTB. Kedatangan hama ini merupakan acaman baru dalam swasembada jagung di NTB, seperti telah dilaporkan kegagalan panen jagung oleh sebagian besar petani di pulau Lombok. Penanggulangan darurat telah dilakukan dengan melakukan eradikasi memakai pestisida namun belum membuahkan hasil yang memuaskan. Salah satu alternatif yang ditawarkan ke petani adalah melakukan strategis pengendalian yang efektif dan ramah lingkungan. Kegiatan pengabdian meliputi dua kegiatan pokok yaitu Pelatihan praktek langsung lapangan dan diskusi dan pembuatan demplot tanaman jagung pada bulan Juni-Oktober 2020. Demplot dilaksanakan di sawah milik salah satu anggota Kelompok Tani “Rahayu” di desa Jatisela, Kecamatan Gunungsari. Hasil kegiatan pengabdian seperti berikut: (a) Petani peserta kegiatan pengabdian semakin memahami strategi teknik pengendalian hama invasi baru ulat gerayak jagung dengan menggunakan tanaman refusia dan monitoring. (b) Petani semakin mengerti bahwa dengan teknik pengendalian tanam refusia dan monitoring dapat menekan serangan hama ulat grayak hingga 80% (c) dan penghematan biaya pembelian pestisida hingga 100%. (d) Petani semakin mengerti dengan adanya perbandingan antara hasil Demplot dan cara petani, yaitu kualitas dan hasil jagung pipil demplot lebih bagus daripada teknik pengendalian cara petani setempat.

2021 ◽  
Vol 20 (3) ◽  
pp. 783-791 ◽  
Author(s):  
Dan-dan ZHANG ◽  
Yu-tao XIAO ◽  
Peng-jun XU ◽  
Xian-ming YANG ◽  
Qiu-lin WU ◽  
...  

Insects ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 298
Author(s):  
Ouorou Ganni Mariel Guera ◽  
Federico Castrejón-Ayala ◽  
Norma Robledo ◽  
Alfredo Jiménez-Pérez ◽  
Georgina Sánchez-Rivera ◽  
...  

Chemical control is the main method used to combat fall armyworm in maize crops. However, its indiscriminate use usually leads to a more complex scenario characterized by loss of its effectiveness due to the development of resistance of the insect pest, emergence of secondary pests, and reduction of the populations of natural enemies. For this reason, efforts to develop strategies for agroecological pest management such as Push–Pull are increasingly growing. In this context, the present study was carried out to evaluate field effectiveness of Push–Pull systems for S. frugiperda management in maize crops in Morelos, Mexico. In a randomized block experiment, the incidence and severity of S. frugiperda, the development and yield of maize were evaluated in nine Push–Pull systems and a maize monoculture. The Push–Pull systems presented incidence/severity values lower than those of the monoculture. Morphological development and maize yield in the latter were lower than those of most Push–Pull systems. Mombasa—D. ambrosioides, Mulato II—T. erecta, Mulato II—C. juncea, Tanzania—T. erecta and Tanzania—D. ambrosioides systems presented higher yields than those of monocultures.


2021 ◽  
Vol 20 (3) ◽  
pp. 764-771
Author(s):  
Dan-dan ZHANG ◽  
Sheng-yuan ZHAO ◽  
Qiu-lin WU ◽  
Yu-yan LI ◽  
Kong-ming WU

2021 ◽  
Vol 20 (3) ◽  
pp. 727-735 ◽  
Author(s):  
Shi-shuai GE ◽  
Wei HE ◽  
Li-mei HE ◽  
Ran YAN ◽  
Hao-wen ZHANG ◽  
...  

Agronomy ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1074
Author(s):  
Bonoukpoè Mawuko Sokame ◽  
Boaz Musyoka ◽  
Julius Obonyo ◽  
François Rebaudo ◽  
Elfatih M. Abdel-Rahman ◽  
...  

The interactions among insect communities influence the composition of pest complexes that attack crops and, in parallel, their natural enemies, which regulate their abundance. The lepidopteran stemborers have been the major maize pests in Kenya. Their population has been regulated by natural enemies, mostly parasitoids, some of which have been used for biological control. It is not known how a new exotic invasive species, such as the fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera, Noctuidae), may affect the abundance and parasitism of the resident stemborers. For this reason, pest and parasitism surveys have been conducted, before and after the FAW invaded Kenya, in maize fields in 40 localities across 6 agroecological zones (AEZs) during the maize-growing season, as well as at 3 different plant growth stages (pre-tasseling, reproductive, and senescence stages) in 2 elevations at mid-altitude, where all maize stemborer species used to occur together. Results indicated that the introduction of the FAW significantly correlated with the reduction of the abundance of the resident communities of maize stemborers and parasitoids in maize fields; moreover, the decrease of stemborer density after the arrival of FAW occurred mostly at both reproductive and senescent maize stages. It also suggests a possible displacement of stemborers by FAW elsewhere; for example, to other cereals. However, since this study was conducted only three years after the introduction of the FAW, further studies will need to be conducted to confirm such displacements.


2000 ◽  
Vol 30 (8-9) ◽  
pp. 719-727 ◽  
Author(s):  
Uwe Oeh ◽  
Matthias W Lorenz ◽  
Hubert Dyker ◽  
Peter Lösel ◽  
Klaus H Hoffmann

2021 ◽  
Author(s):  
Nan‐Ji Jiang ◽  
Bao‐Tong Mo ◽  
Hao Guo ◽  
Jun Yang ◽  
Rui Tang ◽  
...  

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