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when tested extracts of six species of plants and seeds, black pepper, nutmeg, cumin, celery, coriander, cardamom and Laos to inhibit the germination and growth of the black beans. In experiments yielded the following
extract from the seeds of black pepper. The extract from the seeds of the pepper, green beans, black different concentrations showed that the extract from the seeds of black pepper all concentrations resulted in black bean inhibited proliferation and growth. Extract at a concentration of 0.5 mg / ml can inhibit germination. The total length is 60.00% and 89.90 grains of pepper extract also inhibited the growth of green beans, black appearance with a second root length and dry weight of seedlings. A veto 70.16 and 25.05%, respectively, when the seed extract of black pepper increased 1.0,1.5,2.0 mg / mL resulted in the proliferation and growth of black beans was the fourth appearance. inhibition increases
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