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sodininkystė ir daržininkystė 25(4)

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2 lentelë. Obelø ligø paplitimas <strong>ir</strong> intensyvumas Lietuvos pramonës rajonuose<br />

2005–2006 m.<br />

Table 2. Distribution and intensity of apple diseases at industry districts in Lithuania in<br />

2005 and 2006<br />

Rajonas,<br />

apylinkës<br />

District,<br />

surroundings<br />

Maþeikiø<br />

N. Akmenës<br />

Jonavos<br />

Kauno<br />

Maþeikiø<br />

N. Akmenës<br />

Jonavos<br />

Kauno<br />

Paþeista lapø<br />

Damaged leaves, %<br />

filostiktozë chlorozë<br />

leaf spot chlorosis<br />

40 b<br />

95 a<br />

100 a<br />

50 b<br />

21 c<br />

32 b<br />

39 a<br />

<strong>25</strong> c<br />

36 a<br />

28 a<br />

19 b<br />

36 a<br />

19 a<br />

21 a<br />

9 b<br />

0 c<br />

Paþeista vaisiø<br />

Damaged fruits, %<br />

obelø rauplës<br />

apple scab<br />

2005 m.<br />

20 a<br />

10 b<br />

0<br />

0<br />

2006 m.<br />

2 a<br />

1 b<br />

0 c<br />

0 c<br />

filostiktozë<br />

leaf spot<br />

0,8 b<br />

1,91 a<br />

2,23 a<br />

0,69 b<br />

0,22 b<br />

0,68 a<br />

0,64 a<br />

0,26 b<br />

Ligø intensyvumas balais<br />

Disease intensity, points<br />

chlorozë<br />

chlorosis<br />

0,56 a<br />

0,46 b<br />

0,29 c<br />

0,45 b<br />

0,39 a<br />

0,36 a<br />

0,19 b<br />

0 c<br />

obelø rauplës<br />

apple scab<br />

0,2 a<br />

0,1 a<br />

0<br />

0<br />

0,02 a<br />

0,01 ab<br />

0 b<br />

0 b<br />

Reikðmës, paþymëtos tomis paèiomis raidëmis, pagal Dunkano kriterijø (P = 0,05) ið esmës<br />

nesisk<strong>ir</strong>ia / Means followed by the same letter in a column are not significantly different<br />

according to Duncan’s multiple range test (P = 0.05)<br />

Tyrimai in vitro parodë, kad daugumà aptiktø mikromicetø galima prisk<strong>ir</strong>ti prie<br />

atsitiktiniø rûðiø, nes jø aptikimo daþnis ne didesnis kaip 30 proc. (3 lentelë). Iðsiskyrë<br />

tik Jonavos r., kur ið paþeistø obelø lapø buvo iðsk<strong>ir</strong>ti mikromicetai, priklausantys<br />

Alternaria genèiai, <strong>ir</strong> pagal aptikimo daþná (50 proc.) juos galima prisk<strong>ir</strong>ti prie tipiniø<br />

rûðiø.<br />

3 lentelë. Filostiktozæ lydinèiøjø mikromicetø aptikimo daþnis (%) in vitro<br />

Table 3. Occurrence frequency of leaf spot attendant micropipetes (%) in vitro<br />

Mikromicetai<br />

Micropipetes<br />

Mikromicetø aptikimo daþnis<br />

Occurrence frequency of micropipetes<br />

Maþeikiø r. N. Akmenës r. Jonavos r. Kauno r.<br />

Alternaria spp. 0 20 50 0<br />

Cladosporium spp. 30 30 30 20<br />

Penicillium spp. 10 0 0 0<br />

Trichothecium spp. 0 0 10 0<br />

Mycelia sterilia 0 0 20 0<br />

2005 m. lapsukiø paþeistø lapø daugiausia aptikta netoli AB „Maþeikiø nafta“.<br />

Lapus grauþianèiø kenkëjø padarytø paþeidimø daug rasta visuose uþterðtuose rajonuose<br />

(4 lentelë). 2006 m. gauti panaðûs lapsukiø <strong>ir</strong> lapgrauþiø padarytø paþeidimø<br />

117

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