PENINGKATAN KETAHANAN BAWANG MERAH TERHADAP PENYAKIT LAYU FUSARIUM MELALUI INDUKSI KETAHANAN DENGAN ASAM SALISILAT SECARA INVITRO
Muhammad Juwanda(1*), Khusnul Khotimah(2), Mohamad Amin(3)(1)
(2)
(3)
(*) Corresponding Author
Abstract
Fusarium whitere disesase or moler is a major disesase on shallot that is caused by Fusarium oxypsporum
f. Sp. Cepae (Foc), it is spread soil mushroom kind and generally sistemacally hence it’s dificult controled by
fungicid. Suffer caused by this moler disesase can reache 50% moreover can cause failed fiver. For that reason
it needs the use of varietes endurance of moler disesase and high productivity. Endurance induction is one of the
methods to get shallot cultivar endure fusarium whietere disease. Endurance induction can be done in vitro with
the inducing agent is chemist matter likes salisilic acid. For knowing the respon of salisilyc acid in inducing the
indurance is done by using fusarat acid as selector matter to get endurance planlet. This research is done to
recogize the respon of bud Bima cultivar shallot of Brebes in vitro againts the effectity of salisilyc acid of vareites
of concentration (0 ppm, 2.5 ppm, and 7.5 ppm) in inducing endurance then it’s done selection to get endurance
character of disease by exogen salisilyc acid able to impove shallot planlet endurance that is showen by descent
intensities of fusarium attact, descending planlet endurance status form susceptibe become moderate. The best
concentration of salisilyc acid in inducing onion planlet endurance is 5 ppm and 7.5 ppm.
Key words: induction of endurance, salsilyc acid, fusarat acid, shallot.
f. Sp. Cepae (Foc), it is spread soil mushroom kind and generally sistemacally hence it’s dificult controled by
fungicid. Suffer caused by this moler disesase can reache 50% moreover can cause failed fiver. For that reason
it needs the use of varietes endurance of moler disesase and high productivity. Endurance induction is one of the
methods to get shallot cultivar endure fusarium whietere disease. Endurance induction can be done in vitro with
the inducing agent is chemist matter likes salisilic acid. For knowing the respon of salisilyc acid in inducing the
indurance is done by using fusarat acid as selector matter to get endurance planlet. This research is done to
recogize the respon of bud Bima cultivar shallot of Brebes in vitro againts the effectity of salisilyc acid of vareites
of concentration (0 ppm, 2.5 ppm, and 7.5 ppm) in inducing endurance then it’s done selection to get endurance
character of disease by exogen salisilyc acid able to impove shallot planlet endurance that is showen by descent
intensities of fusarium attact, descending planlet endurance status form susceptibe become moderate. The best
concentration of salisilyc acid in inducing onion planlet endurance is 5 ppm and 7.5 ppm.
Key words: induction of endurance, salsilyc acid, fusarat acid, shallot.
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