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Sirsak Musuh Ulat Grayak | binaswadaya.org      

Sirsak Musuh Ulat Grayak

577_ 107-2Hama ulat grayak momok bagi petani padi, kacang hijau, kacang panjang, dan kedelai. Mahasiswa Fakultas Sains dan Teknologi Universitas Airlangga, Mohammad Zuhdi Aminudin dan rekan menemukan  insektisida alami berbahan biji dan kulit buah sirsak. Hasil penelitian mereka menunjukkan, biji dan kulit sirsak mengandung senyawa alkaloid yang sangat ampuh mengendalikan ulat

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