AbstrakPeraturan Menteri Pertanian Nomor 48 Tahun 2009 mengamanatkan pelaksanaan pedoman budidaya buah dan sayur yang baik atau Good Agricultural Practices (GAP) pada tingkat petani sebagai upaya perwujudan pertanian berkelanjutan dan peningkatan produktivitas hasil. Penelitian ini bertujuan untuk; (1) mendeskripsikan karakteristik responden, (2) mengetahui tingkat dukungan faktor eksternal dan minat responden dan (3)mengetahui faktor eksternal yang berpengaruh terhadap minat anggota kelompoktani pada penerapan GAP cabai merah. Unit analisis adalah individu, anggota kelompoktani responden penelitian. Populasi dalam penelitian adalah semua petani yang berada di Desa Rancabango, Sirnajaya dan Panjiwangi, Kecamatan Tarogong Kaler, Kabupaten Garut. Diambil sampel petani sebanyak 50 orang responden dengan menggunakan rumus slovin. Pengambilan sampel petani menggunakan teknik cluster random sampling method. Metode pengambilan data menggunakan metode wawancara terstruktur, pengisian kuesioner dan studi pustaka. Analisis data dalam penelitian ini mencangkup (1) analisis deskriptif, distribusi frekuensi; (2) analisis inferensial regresi linear berganda. Hasil penelitian menunjukan; (1) mayoritas responden berusia produktif, tingkat pendidikan rendah, cukup berpengalaman dan memiliki luas lahan sempit (2) indikator faktor eksternal dan indikator minat petani memiliki indeks rata-rata pada kategori sedang, tinggi dan sangat tinggi; (3) Analisis regresi linear berganda menunjukan indikator faktor eksternal berpengaruh nyata secara simultan dan parsial terhadap minat anggota kelompoktani dalam penerapan GAP cabai merah, dengan arah pengaruh positif.Kata Kunci: faktor eksternal, minat petani, GAPAbstractMinister of Agriculture Regulation No. 48/2009 mandates the implementation of Good Agricultural Practices (GAP) guidelines at the farm level as an effort to achieve sustainable agriculture and increase yield productivity. This research aims to; (1)describe the characteristics of respondents, (2 find out the level of support of external factors and the interests of respondents and (3) find out the external factors that affect the interest of group members in the application of the red chili GAP. The unit of analysis is the individual, group members of the respondents of the study. The population in this study were all farmers in the villages of Rancabango, Sirnajaya and Panjiwangi, District of Tarogong Kaler, Garut Regency. Samples of farmers were taken as many as 50 respondents using the Slovin formula. Farmer sampling using cluster random sampling method. The data collection method uses structured interview methods, questionnaires and literature study. Analysis of the data in this study includes (1) descriptive analysis, frequency distribution; (2) inferential analysis of multiple linear regression. The results showed (1) The majority of respondents were of productive age, low level of education, experienced enough and had narrow land (2) indicators of external factors and indicators of farmer interest had an average index in the medium, high and very high categories; (3) Multiple linear regression analysis shows the external factors indicators have a significant and simultaneous effect on the interest of farmer group members in the application of red chili GAP, with the direction of positive influenceKey Word : external factors, farmer interest, GAP