APLIKASI PLANT GROWTH PROMOTING RHIZOBACTERIA (PGPR) TERHADAP INFEKSI Chrysanthemum mild mottle virus (CMMV), PERTUMBUHAN, DAN PRODUKSI TANAMAN KRISAN (Chrysanthemum sp.) - Choliq, Fery; Martosudiro, Mintarto; Jalaweni, Safira (AGRORADIX : Jurnal Ilmu Pertanian, 2020)