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MEMILIH WAKTU PEMBERIAN 32p PADA TANAMAN PAD!. UNTUK PENANDAAN SERANGGA GANJUR .On...6e.oti.a. OIt.lJza.e.. (WOOD- MASON)

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SELECTION OF THE 32p APPLICATION TIME TO RICE PLANT FOR LABELLING THE GALL MIDGE Orseolia Oryzae
(WOOD-MASON). The aim of this investigation is to get labelled insects coith low but cormtable its
radiaactivities. Results of th~~ investigation may support the control techniques of this insects in the
field. The dose of 140 uCi of P in KH20P4 salution was applied int~2/400 grams of soil planted with 20 gall midge infested rice plants it was found that application of P at 12, 13, and 14 days after
investation, yielded sufficient labelling for gall midge. Sakri Ischak Sastradlhardja*, dan Nani Kartini Hamid** Pusat Aplikasi Isotop dan Radiasi, BATAN