The spores structure of ferns growing in mountain Gumitir coffee plantation area Jember Regency
نویسندگان
چکیده
Ferns spores diverse in their characteristics such as shapes, types and sizes. These characteristis are commonly used for species identification instead of the roots, stems leaves. People can use to identify ferns species. Therefore, there is a need characterize structure growing mountain Gumitir coffee plantation area. The whole mount method was spore preparations. Parameters observed were type, size, shape ornamentation exine spores. results showed characters ten Pityrogramma calomelanos (L.) Link. Nephrolepis falcata (Cav.) C. Chr, Pyrrosia nummularifolia (Sw.) Ching penangiana (Hook.) Holtt had large size (51-100 μm), while others medium-sized (26-50 μm). Monolete type found nine trilete only Subspheroidal forms six species, oblate form four Exine pattern varied from rugulate (3 species), baculate (2 scabrate, faveolate, gemmate, verrucate echinate (the last five one species) with (P/E) value 0.64 - 0.97.
منابع مشابه
the role of thematic structure in comprehending spoken language
in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...
15 صفحه اولthe effects of changing roughness on the flow structure in the bends
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
Path Analysis of Tuberculosis Clients Adaptation during Treatment in Jember Regency, East Java, Indonesia
Tuberculosis clients are experiencing various problems in terms of adaptation models such as physical problems, psychological problems, social problems and problems of dependence.This study is a correlational study. The method used is a cross-sectional. Respondents in this study were taken was 83 clients at the Lung Hospital in Jember. This research measurement is using a questionnaire. This st...
متن کاملthe underlying structure of language proficiency and the proficiency level
هدف از انجام این تخقیق بررسی رابطه احتمالی بین سطح مهارت زبان خارجی (foreign language proficiency) و ساختار مهارت زبان خارجی بود. تعداد 314 زبان آموز مونث و مذکر که عمدتا دانشجویان رشته های زبان انگلیسی در سطوح کارشناسی و کارشناسی ارشد بودند در این تحقیق شرکت کردند. از لحاظ سطح مهارت زبان خارجی شرکت کنندگان بسیار با هم متفاوت بودند، (75 نفر سطح پیشرفته، 113 نفر سطح متوسط، 126 سطح مقدماتی). کلا ...
15 صفحه اولDensity Fluctuations of Two Major Aspergillus Species Airborne Spores in Pistachio Growing Regions of Iran
Contamination of pistachio nuts by aflatoxigenic strains of Aspergillus species is the greatest constraint to production and export of pistachio nuts in Iran, the leading producer of pistachio nuts in the world. Kerman province is the main region in Iran where 85%, of pistachio nuts are produced. Determining the population density of Aspergillus spores in the orchards and terminals which are th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IOP conference series
سال: 2021
ISSN: ['1757-899X', '1757-8981']
DOI: https://doi.org/10.1088/1755-1315/743/1/012089