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Paper ID: 48

IMPACT OF HEAT STRESS ON GERMINATION AND SEEDLING GROWTH OF CHILI PEPPER (CAPSICUM ANNUUM L.)

Authorship

Rosmaina*, Delis Utami, Ervina Aryanti and Zulfahmi

Department of Agrotechnology, Faculty of Agriculture and Animal Sciences, Universitas Islam Negeri Sultan Syarif Kasim Riau, Panam Campus-Pekanbaru 28293, Riau, Indonesia.

rosmaina@uin-suska.ac.id

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Abstract

Temperature plays an important role in plant growth and development. The increased temperature suddenly may cause severe consequences.  This study aimed to observe the impact of temperature, exposure of duration, and the interaction between temperature and exposure duration at the germination phase and seedling growth of chili pepper. The research design used Factorial Completely Randomized Design. The first factor was the temperature consisted of five-level of temperature namely: 35°C, 37°C, 39°C, and 41°C. The second factor was the exposure duration consisted of four hours, eight hours, and twelve hours. The Parameters observed were percentage of seed germination, shoot length, root length, number of roots, seedling height, number of leaves, fresh weight of seedling, dry weight of seedling, and chlorophyll content. The results of this study showed that there is an interaction between temperature and duration of exposure, the higher the temperature and duration of exposure decrease shoot length, root length, number of roots, wet weight of seedling, number of leaves, chlorophyll content.

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