Epidemiologi Hawar Daun Bibit Pinus merkusii Yang Disebabkan Oleh Pestalotia Theae (Epidemiology of Needle Blight on Pinus merkusii Seedlings Incited by Pestalotia theae)

Sutarman, Sutarman and Hadi, Soetrisno and Saefuddin, Asep and Achmad, Achmad and Suryani, Ani (2004) Epidemiologi Hawar Daun Bibit Pinus merkusii Yang Disebabkan Oleh Pestalotia Theae (Epidemiology of Needle Blight on Pinus merkusii Seedlings Incited by Pestalotia theae). Jurnal Manajemen Hutan Tropika, 10 (1). pp. 43-60. ISSN 2089-2063

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Abstract

The objectives of the study are as follows to know the interrelationships between the weathe components as well as Pestalotia theae’s aerial conidiospore population and the development of needle blight on Pinus merkusii seedlings, and to dermine the effect of mursery site reliable model to be used for determining the interrelationship between the development of the disease severity and the weather components. Light duration rain fall, relative humidity and temperature are the weather components significantly affect the increase of the disease severity. The nursery in Pongpolandak, Cianjur (26.5-30,5oC: RH: 92-98%), West Java, is the most optimal location for the development of the disease. To maintain the disease index at the most about 25 on seedling over 6 monts old, is the key factor for successful management of needle bight on P. merkusii seedlings in the nursery.

Item Type:	Article
Uncontrolled Keywords:	Disease Index, epidemic, Pestalotia, Pinus merkusii
Subjects:	S Agriculture > SD Forestry
Divisions:	Faculty of Agriculture > School of Agrotechnology
Depositing User:	Sutarman Sutarman
Date Deposited:	12 Jan 2018 03:35
Last Modified:	12 Jan 2018 03:35
URI:	http://eprints.umsida.ac.id/id/eprint/1042

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