INDUKSI KETAHANAN SISTEMIK MELALUI DAUN PADA TANAMAN CABAI KERITING TERHADAP PENYAKIT ANTRAKNOSA (Induction of systemic resistance through leaves in red chili pepper againt antrachnose disease)

Mansyurdin, Mansyurdin and Dahlan , S. and Yanti , Y. (2010) INDUKSI KETAHANAN SISTEMIK MELALUI DAUN PADA TANAMAN CABAI KERITING TERHADAP PENYAKIT ANTRAKNOSA (Induction of systemic resistance through leaves in red chili pepper againt antrachnose disease). Jurnal Stigma, 8 (3). pp. 213-216. ISSN 0853-3776

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Abstract

Systemic resistance in red chili pepper (Capsicum annum) to antrachnose disease was inducted by pathogen (Collaofichum capsici) and K3PO4 compound through leaves on seedling, early flowering and early fruiting phases. The research was carried out in green house of Department of Biology, Faculty of Mathematics and Natural Sciences, Andalas Universify padang from Octo- ber 1999 to March 2000. The treatments were designed by a completely randomized design in factorial with three replications. lntensity of disease and resistant criteria of plant were accounted every harvesting for two inocula- tions. The results showed that inductor of pathogen with induction time at early flowered phase is the best of treatment among other treafments. By the treafment, in- tensity of disease after first inoculation was supressed to 6,250 (first harvest) and 3,33% (third harvest). Resistant criteria of the treatment was increased to more resistant (first harvest) and resistant (third harvest). After second inoculation, resistanf criteria on first harvest by the treatment return to more resistant. So summarized that inductor of pathogen with induction on early flowered phase can increase resistant criteria up to more resistant.

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