PENGARUH EKSTRAK BEBERAPA JENIS GULMA TERHADAP ...

DAFTAR ISI
HALAMAN JUDUL ...................................................................................... …i
HALAMAN PERSETUJUAN .......................................................................... ii
HALAMAN PENGESAHAN .......................................................................... iii
HALAMAN PERSEMBAHAN ....................................................................... iv
KATA PENGANTAR ....................................................................................... v
DAFTAR ISI .................................................................................................... vi
DAFTAR TABEL .......................................................................................... viii
DAFTAR GAMBAR ........................................................................................ ix
DAFTAR LAMPIRAN ..................................................................................... x
ABSTRAK . ...................................................................................................... xi
BAB I PENDAHULUAN
1.1 . Latar Belakang ............................................................................... 1
1.2 . Rumusan Masalah .......................................................................... 5
1.3 . Tujuan Penelitian ............................................................................ 6
1.4 . Hipotesis ......................................................................................... 6
1.5 . Manfaat Penelitian ........................................................................... 6
1.6 . Batasan Masalah .............................................................................. 7
BAB II TINJAUAN PUSTAKA
2.1 . Tanaman Jagung (Zea mays L.) ....................................................... 8
2.2 . Syarat Tumbuh Jagung (Zea mays L.) ............................................ 10
2.3 . Perkecambahan Jagung (Zea mays L.) ........................................... 14
2.4 . Alelopati ....................................................................................... 15
2.5 . Mekanisme Alelopati Pada Penghambatan Perkecambahan Benih . 18
2.6 . Tumbuhan Alang-alang (Imperata cylindrica L.) ........................... 22
2.7 . Tumbuhan Bandotan (Ageratum conyzoides L.)............................. 24
2.8 . Tumbuhan Teki (Cyperus rotundus L.) .......................................... 26
2.9 . .Tumbuhan Krokot (Portulaca oleracea L.) ................................... 29
2.10 .Tumbuhan Bayam duri (Amarathus spinosus L.) .......................... 31
BAB III METODE PENELITIAN
3.1 . Rancangan Penelitian .................................................................... 35
3.2 . Waktu dan Tempat Penelitian ........................................................ 35
3.3 . Alat dan Bahan .............................................................................. 35
3.4 . Variabel Penelitian ........................................................................ 36
3.5 . Prosedur Kegiatan ......................................................................... 37
3.6 . Analisis Data ................................................................................. 40
BAB IV HASIL DAN PEMBAHASAN
4.1 . Pengaruh Jenis Ekstrak Gulma Terhadap Perkecambahan
Biji Jagung (Zea Mays L.) ............................................................. 43
4.1.1 Pengaruh Jenis Ekstrak Gulma Terhadap
Persentase Perkecambahan Biji Jagung ............................... 43
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