Bab i va 3 diagnosis penyakit biotik
-
Upload
kustam-ktm -
Category
Science
-
view
99 -
download
2
description
Transcript of Bab i va 3 diagnosis penyakit biotik
![Page 1: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/1.jpg)
Ciri lain jamur unt identifikasi:
1. Sifat biakan
- warna dan keragamannya pd permukaan koloni
- bau
- jumlah hifa permukaan
- kualitas permukaan koloni: spt kapas, mengkerut,
cembung
- tepi koloni: tdk beraturan, rata
- zat warna yang dikeluarkan: berwarna, pucat
- organ yg dibentuk: sklerotium, rizomorf, sinema,
stroma, seta
![Page 2: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/2.jpg)
Cultural variation and pigmentation ofF. fujikuroi from rice (bakanae) in SEA
![Page 3: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/3.jpg)
2. Morfologi
- Ukuran: panjang, lebar, ketebalan
- warna
- hifa, apresorium, klamidospora, rizomorf, sinema
- sporangium, kolumela
- zigospora, parafisis
- peridium, perifisis
- askus, askospora, basidiospora, basidium
- ∑ sekat konidium, ∑ flagelum, ∑ askospora per
askus, ∑ basidiospora per basidium
![Page 4: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/4.jpg)
F. fujikuroi
F. proliferatum
F. verticilloides
F. subglutinans
![Page 5: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/5.jpg)
Macroconidia: Apical/End Cells
![Page 6: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/6.jpg)
Macroconidia: Basal/Foot Cells
![Page 7: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/7.jpg)
Length of the Conidiogenous Cell
Short (F. oxysporum).
Long (F. solani)
![Page 8: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/8.jpg)
3. Fisiologi
- suhu
- medium pertumbuhan dan kebutuhan nutrisi
- ketahanan thd bahan kimia
- anastomosis hifa (tjdnya hub ant satu hifa dg hifa yg lain yg memungkinkan perpindahan
isinya)
- reaksi biakan
- sifat parasit, patogenisitas
![Page 9: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/9.jpg)
Gejala Penyakit Tan yg Disebabkan oleh Jamur
• Gejala nekrotik: leaf spot, blight, kanker, dieback,busuk akar, damping-off, basal stem rot, soft rot dandry rot, antraknosa, scab, decline.
• Gejala yg berhubungan dg meluasnya pertumbuhandan distorsi bagian tan: club root, gall, wart, witches’sbroom, leaf curl.
• Empat kel gejala lain: wilt, rust, smut, mildew
Bbrp penyakit, pertumbuhan jamur menghasilkanbermacam-macam struktur pd permukaan inang.Strukutur tsb yi miselium , sklerotium, sporofor, badanbuah, dan spora disebut tanda.
![Page 10: Bab i va 3 diagnosis penyakit biotik](https://reader034.fdocument.pub/reader034/viewer/2022052602/5599b57e1a28abde0b8b480a/html5/thumbnails/10.jpg)
Fusarium fujikuroi (Gibberella fujikuroi )Rice Bakanae Disease in Padang