In order to investigate the effects of nitrogen and light treatment fertilizing amount on rooting and growth of cutting of three species, Saintpaulia ionantha Wendl.‘Narita', 'Maja' and 'Chiko', cutting, experiments were performed over seven weeks from September 12 to October 20, and the effects on ...
In order to investigate the effects of nitrogen and light treatment fertilizing amount on rooting and growth of cutting of three species, Saintpaulia ionantha Wendl.‘Narita', 'Maja' and 'Chiko', cutting, experiments were performed over seven weeks from September 12 to October 20, and the effects on the number of roots, the root length, the fresh weight, the dry weight, the number of shoots, chlorophyll content, the length and the width of leaf, etc. were investigated. As for the effects of nitrogen and light treatment on rooting, there were some variations among the species, but to a large extent effects were shown on weight of root and number of roots in the group of NaNO3 200ppm, and in the group of NaNO3 500ppm, and half-sun was clearly shown to be effective. As for the root length, half-sun along with NaNO3 200ppm and NaNO3 500ppm were shown to make the length longest. As for the effects on the growth, fresh leaf weight showed different levels of effects among different species, but to a large extent, leaf dry weight showed positive effect with the groups with nitrogen treatment, as compared to non-treatment cases, and 4,000lux and NaNO3 200ppm showed most effects in fresh leaf weights. Even though effects on the number of shoots and chlorophyll content showed variations among the species, yet in general, the group with NaNO3 500ppm treatment showed good effects, and in particular 4,000lux made the effect more pronounced among the nitrogen-treated groups, and as for the number of shoots, 100,000lux seemed to cause reduction in the count, implying that there might be an upper limit on the desirable light treatment. As for the leaf length and width, there were some variations among the species, but overall, nitrogen and sun light treatment did not have much effects. However, 100,000lux caused burning of leaf, and it seemed that nitrogen treatment influenced positively in reducing the effects of shrinking of leaf length and width, and to a large extent leaf length showed positive influences in the NaNO3 800ppm treated groups, and leaf width showed positive influences in the NaNO3 500ppm treated groups. In summary, as for the effects of nitrogen and light treatment on cutting of Saintpaulia ionantha Wendl.‘Narita', 'Maja', and 'Chiko' species with respect to the rooting and growth, nitrogen fertilizing on the level around NaNO3 500ppm was most effective, and a single-layered sun-screen providing around 4,000lux showed the best effects on the growth.
In order to investigate the effects of nitrogen and light treatment fertilizing amount on rooting and growth of cutting of three species, Saintpaulia ionantha Wendl.‘Narita', 'Maja' and 'Chiko', cutting, experiments were performed over seven weeks from September 12 to October 20, and the effects on the number of roots, the root length, the fresh weight, the dry weight, the number of shoots, chlorophyll content, the length and the width of leaf, etc. were investigated. As for the effects of nitrogen and light treatment on rooting, there were some variations among the species, but to a large extent effects were shown on weight of root and number of roots in the group of NaNO3 200ppm, and in the group of NaNO3 500ppm, and half-sun was clearly shown to be effective. As for the root length, half-sun along with NaNO3 200ppm and NaNO3 500ppm were shown to make the length longest. As for the effects on the growth, fresh leaf weight showed different levels of effects among different species, but to a large extent, leaf dry weight showed positive effect with the groups with nitrogen treatment, as compared to non-treatment cases, and 4,000lux and NaNO3 200ppm showed most effects in fresh leaf weights. Even though effects on the number of shoots and chlorophyll content showed variations among the species, yet in general, the group with NaNO3 500ppm treatment showed good effects, and in particular 4,000lux made the effect more pronounced among the nitrogen-treated groups, and as for the number of shoots, 100,000lux seemed to cause reduction in the count, implying that there might be an upper limit on the desirable light treatment. As for the leaf length and width, there were some variations among the species, but overall, nitrogen and sun light treatment did not have much effects. However, 100,000lux caused burning of leaf, and it seemed that nitrogen treatment influenced positively in reducing the effects of shrinking of leaf length and width, and to a large extent leaf length showed positive influences in the NaNO3 800ppm treated groups, and leaf width showed positive influences in the NaNO3 500ppm treated groups. In summary, as for the effects of nitrogen and light treatment on cutting of Saintpaulia ionantha Wendl.‘Narita', 'Maja', and 'Chiko' species with respect to the rooting and growth, nitrogen fertilizing on the level around NaNO3 500ppm was most effective, and a single-layered sun-screen providing around 4,000lux showed the best effects on the growth.
주제어
#삽목 발근 생장 질소 NaNO3 광도 엽록소 함량 부정아 발생 건물중 생체중 근장 근수 Saintpaulia ionantha WENDL 아프리칸 바이올렛
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