Abstract:Growing bean plants (Phaseolus vulgaris L. cv. Blue Lake) on cycles of 1 minute light-I minute dark or 5 minutes light-5 minutes dark, providing an integrated 12 hours light-12 hours dark per day for each set of plants, led to production after 21 days of new leaves low or lacking in chloroplast pigments. Subsequently, dry weight increase was sharply cut. Leaf area was affected by the light regimes after the second week of growth. By the fourth week, plants on the 1 minute light-I minute dark cycle showed about… Show more
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