Effect of Different Light Quality on the Growth of Citrus limon(L.)Burm.F.
This study aimed to investigate the effects of different light quality on the growth of Citrus limon(L.)Burm.f.The treatments were red light(660 nm),red light(630 nm),blue light(450 nm),white light,and red light(660 nm)with far-red light(730 nm)by LED lights for 20 days,40 days,60 days,80 days,100 days.The results are as follows:The third treatment is better than the other treatments on plant height,plant height rate,stem diameter,stem diameter rate,leaf numbers,leaf numbers rate.The first treatment(660 nm)is better than the second treatment(630 nm)on plant height,plant height rate,stem diameter,stem diameter rate,slightly less on leaf numbers,leaf numbers rate.The first treatment(660 nm)is better than the fifth treatment(660 nm+730 nm)on plant height,plant height rate,leaf numbers,leaf numbers rate.To sum up,the blue light(450 nm)is the best one on all treatments,and can be added more for the the combined spectrum.The 660 nm treatment is slightly better than the 630 nm treatment.There is no advantage on plant height,stem diameter,leaf numbers in 660 nm light by adding 730 nm light.
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