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Journal : Pro-Life

PENGEMBANGAN BAHAN AJAR MORFOLOGI TUMBUHAN BERBASIS LINGKUNGAN DI STKIP PGRI LUBUKLINGGAU Reny Dwi Riastuti; Yuli Febrianti
Jurnal Pro-Life Vol. 8 No. 2 (2021): Juli
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

The purpose of this study was to produce environmental-based plant morphology teaching materials at STKIP PGRI Lubuklinggau and describe student responses after using it as a result of development. The type of research carried out is the Research and Development (R&D) development model of Dick and Carey by developing teaching materials in the form of learning design books. The results of the study by three validators, namely content/material feasibility experts, obtained a percentage value of 91.4%, the results of validation data analysis from presentation and graphic experts, obtained a percentage value of 95.5%, the results of validation data analysis from linguistic experts, namely the percentage obtained a value of 80%, the results of the analysis of student response questionnaire data are obtained by a percentage value of 94% with the eligibility criteria, which means that the teaching materials are in the very good category and do not need to be revised. The validation results indicate that the product developed has a high validity value and can be declared eligible to be used as a source of independent learning. Student responses in the criteria assessed from teaching materials have received good and very good grades so that teaching materials are suitable for use as independent learning resources.
Efektivitas Pemberian Zat Pengatur Tumbuh Campuran Bawang Merah (Allium cepa L.) dan Bonggol Pisang (Musa paradisiaca L.) terhadap Pertumbuhan Stek Batang Petunia sp. Fitriani, Linna; Riastuti, Reny Dwi; Arisandy, Destien Atmi; Jayati, Ria Dwi
Jurnal Pro-Life Vol. 10 No. 2 (2023): Juli
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

This study aims to determine the effectiveness of giving Growth Stimulating Substances on the Growth of Cuttings of Petunia sp. The population in this study is Petunia Plants. The samples were petunia plant cuttings soaked in a natural ZPT solution mixed with shallots and banana weevils. Data collection techniques used observation sheets. The results of the study were analyzed using one way Anava.. Based on the results of the study it was found that the percentage of growing cuttings in the ZPT treatment of mixed shallots and banana weevils and harmonic ZPT had the same level of growth percentage of cuttings in the medium category. Based on statistical analysis on shoot length, the value of F = 4.393 was obtained with a significance of 0.047. In calculating the root length, the value of F = 33.831 is obtained with a significance of 0.000. Based on the results of the research that has been done, it can be concluded that the administration of a mixture of growth regulators (ZPT) of shallots (Allium cepa L) and banana weevil (Musa paradisiaca, L) is effective on the growth of petunia stem cuttings). Keywords: Effectiveness, growth, natural ZPT, Petunia sp.