Impact of Different Cultivation Substrates on the Growth of Cymbidium goeringii

[Objectives]The paper was to explore the impact of different cultivation substrates on the growth of Cymbidium goeringii.[Methods]The impact of 13 distinct cultivation substrates on the growth of C.goeringii was examined using C.goeringii as the test material.[Results]The combination of burning red clay particles(15%),No.4 pine bark(15%),No.3 pine bark(60%),and perlite(10%),as well as the mixture of burning red clay particles(20%),No.4 pine bark(15%),No.3 pine bark(55%),and perlite(10%),yielded superior results.These formulations resulted in an increased number of new roots in C.goeringii,a reduction in the incidence of decayed roots,and enhancements in the number of tillers,new leaves,and flowers.[Conclusions]The selection of substrates may serve as a valuable reference for the cultivation of C.goeringii.

Tissue Culture Nursery Technology of Curcuma alismatifolia‘Kimono Rose’

[Objectives]The paper was to study the tissue culture nursery technology of Curcuma alismatifolia‘Kimono Rose’.[Methods]By sterilizing and inoculating explants derived from disparate regions of C.alismatifolia,we identified the most optimal explants and optimized the culture conditions for cluster buds induction and proliferation.This was achieved by incorporating MS medium with varying concentrations of 6-BA and NAA,thereby establishing a foundation for the large-scale production of C.alismatifolia tissue culture seedlings.[Results]The optimal explant for C.alismatifolia was identified as a lateral bud.The most effective cluster buds induction medium was determined to be MS+6-BA 5 mg/L+NAA 0.1 mg/L+sucrose 25 g/L+agar 6.5 g/L.The optimal cluster buds proliferation medium was found to be MS+6-BA 3 mg/L+NAA 0.1 mg/L+sucrose 25 g/L+agar 6.5 g/L.[Conclusions]The findings of this study can provide a foundation for the enhancement of the industrialized breeding system of tissue culture propagation of C.alismatifolia.

SWOT Analysis of Phalaenopsis amabilis Industry in Zhangzhou City

Phalaenopsis amabilis industry in Zhangzhou City is analyzed by SWOT method,and the strengths,weaknesses,opportunities and threats of P.amabilis industry in the city are expounded.Furthermore,some suggestions for the development of P.amabilis industry in Zhangzhou City are put forward,in order to provide certain references for the development of P.amabilis industry.

Research Progress in Genetics and Molecular Biology of Curcuma L.

There are few studies on the genetic evolution of Curcuma L.,and it is easy to have synonyms or homonyms.In order to make better development and utilization of Curcuma L.,by consulting the relevant literature,the molecular biology and genetics of Curcuma L.were summarized,and discussed in this paper,in order to lay a foundation for the study of phylogeny and genetic evolution of Curcuma L.

Synergistic sulfonamides plus clindamycin as an alternative therapeutic regimen for HIV-associated Toxoplasma encephalitis: a randomized controlled trial

Background: The preferred therapeutic regimen for Toxoplasma encephalitis (TE) is a combination of pyrimethamine and sulfadiazine, and trimethoprim-sulfamethoxazole (TMP-SMX) plus azithromycin is the widespread alternative therapeutic regimen. The synergistic sulfonamides tablet contains TMP, sulfadiazine, and SMX and hypothetically could be used for TE treatment. This study aimed to compare the efficacy and safety of synergistic sulfonamides plus clindamycin (regimen B) with TMP-SMX plus azithromycin (regimen A) for the treatment of human immunodeficiency virus (HIV) associated TE.Methods: This was an open-labeled, multi-center randomized controlled trial recruited from 11 centers. Each recruited patient was randomly assigned to receive regimen A or regimen B for at least 6 weeks. The overall response was evaluated by assessment of the clinical response of TE-associated clinical features and the radiological response of TE-associated radiological findings. The overall response rate, clinical response rate, radiological response rate, and adverse events were assessed at 2, 6, and 12 weeks. Death events were compared between the two regimens at 6, 12, and 24 weeks.Results: A total of 91 acquired immunodeficiency syndrome (AIDS)/TE patients were included in the final analysis (44 in regimen Avs. 47 in regimen B). The overall response rate, which refers to the combined clinical and radiological response, was 18.2% (8/44) for regimen A and 21.3 % (10/47) for regimen B at week 6. The results of clinical response showed that, in comparison with regimen A, regimen B may perform better with regards to its effect on the relief of clinical manifestations (50.0% [22/44]vs. 70.2% [33/47],P = 0.049). However, no significant differences in radiological response, mortality events, and adverse events were found between the two regimens at week 6.Conclusions: Synergistic sulfonamides plus clindamycin, as a novel treatment regimen, showed no significantly different efficacy and comparable safety in comparison with the TMP-SMX plus azithromycin regimen. In addition, the regimen containing synergistic sulfonamides may exhibit advantages in terms of clinical symptom alleviation.Trial Registration: ChiCTR.org.cn, ChiCTR1900021195.