標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 0 p: r& J, S! g9 A- r- ?( z! ]TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 ~& x7 ~$ ^* U- Kcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.77:8898; K8 R& ~1 d3 s: I
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How to identify Early Blight5 u& d- P1 n2 J, E
+ e5 q; e' {9 y2 z4 A* Y, qSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ) d O8 C) T" k# [6 Ttvb now,tvbnow,bttvb& F& Y6 ~( L$ @
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 公仔箱論壇) C2 {2 i/ z* p4 Y6 O
2 P: U5 ^' M y% D" p% H4 R. qin color and form concentric rings, or a a. w( S+ Z, ?) p0 p: cTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。) `6 U4 y3 U% w# Z# k\" j' e' R
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。+ B7 H3 z" D) N- ~9 r) C
2 p- j, @: }# c& v# o: \ leaves may fall off. Extensive loss 公仔箱論壇5 D# q6 d1 N1 Q& m/ x) H6 H
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb) z- \* u: y- B- g. L$ D
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How to identify Septoria Leaf Spot 1 c" D( G8 `# d2 s4 D' o* MTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。( |# u2 T) n" ^4 S* k' v9 F/ G
Symptoms of Septoria leaf spot also start v% Y( F g- e" c V: JTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。- a: E+ C* C' W; P
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 Z' Q0 M# I9 z. ~
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。: W4 e5 s. M0 w- q
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 4 T% g1 [' _' ? ) c4 s C1 X! h" V: hSmall dark spots, the fruiting bodies of the fungus 0 F8 G5 \1 ^; @' h$ \tvb now,tvbnow,bttvb ( U; z8 B' C+ t) ^/ k7 H- m4 ?TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry tvb now,tvbnow,bttvb0 O6 V+ l6 T$ l _9 k
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and dead. Stems can also become infected but 5 e- X' Q4 }% a/ Z. E8 c6 l( ]2 Stvb now,tvbnow,bttvb公仔箱論壇2 c# C0 Z! U4 w( L
infection of fruit is rare. 5 G4 V# T6 c1 u: W* I公仔箱論壇" J: @7 m# \* @* B8 I
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How to Prevent and Control Early Blight and tvb now,tvbnow,bttvb9 {0 W3 e# K* q2 ~
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Septoria Leaf Spot公仔箱論壇2 Z6 Q/ O( \: R& ]5 B- m
; ]( r- Y v5 W% a) G- Hlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.公仔箱論壇2 ? H* f, w0 q8 |
" ]* X3 f% a) Q; a6 |7 \/ E Rotate crop locations. Don’t tvb now,tvbnow,bttvb( O9 ~. G. }$ b/ c
! H$ ]! g9 @/ }TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 8 J( k. b- u9 ]4 t0 w6 s% Xtvb now,tvbnow,bttvb3 @3 u- Y$ O1 ?) ^' u" [, a+ y
where tomatoes were grown.5.39.217.77:88982 T8 r0 o1 j* z0 s _7 N9 s
1 o$ K4 M$ E$ gTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.+ T- v) ~ I' {
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of * A/ p0 q1 X0 N( Ztvb now,tvbnow,bttvb5.39.217.77:8898. X- N& b) O7 p" q* _) @4 \" @6 y
fungus from the soil to your # I4 F/ s9 u2 o1 L4 B7 X
% i- z9 j! ^9 W' t" Xplants. 4 E# `7 e; M- R( ]( s# _) |5 ~* [2 E- S) F! |/ ?9 I# J0 K5 x9 ?
Stake or cage plants to keep them ! W; [- x" c7 h' H7 g1 t: ?公仔箱論壇# R! k3 N( I; Q
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 8 I" m9 A) r' l* m8 i& lTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。 ' g" |7 d& ?% k( n4 d ltvb now,tvbnow,bttvbcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of ' i4 J) u) A7 t6 J. U5.39.217.77:8898TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。; C. m6 C. e+ w. ^# G5 m- U
space above the soil without any leaves. Do not use $ k4 O% X$ c9 A- M, Q' L8 [3 n! T- K, G3 Qtvb now,tvbnow,bttvb* [) ?% {# \# J
overhead watering. tvb now,tvbnow,bttvb$ Y* g/ C! R6 u+ j z% c, Y+ P
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. , l# s \) Z! i# i% f5.39.217.77:8898Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow 8 {: { L% l/ A6 i$ L" p% v 1 C% {* y& i( j" O5 x( J1 R' Tfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 3 E: A# t0 x: N6 V" Ytvb now,tvbnow,bttvbtvb now,tvbnow,bttvb x$ s8 f" M" r; c6 l+ |) A
wet. Keep your plants happy and healthy. Weak and stressed 6 `4 ^8 \% j- T1 B+ h) j! n$ Q, U
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plants are more susceptible to disease.公仔箱論壇 Q$ y' q8 S6 p$ S: K
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Remove and destroy or throw away diseased leaves, both off the \" z2 g; a2 q. F$ s& [; ]
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 9 ~: O. C1 o' W; g5 ?0 W9 _; h公仔箱論壇公仔箱論壇. z0 [& I1 K9 H/ j0 t. ~
enough. If a plant is heavily infectedTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。5 X' b% c4 \+ O2 E2 }
7 k5 S7 I+ Q7 v, ]2 [# Z2 MTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。GreenCure. 5 q$ `# N$ o+ m' A+ T公仔箱論壇 # W; x& A1 w1 _4 l) p+ Q* J. eTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& a( {- B2 d7 _* D3 V q
Late Blight on Tomato Plants 2 Y4 u. @- C, Q3 d5 T! K1 I 1 j7 @+ o8 F8 ~, f- [tvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 3 P& f) u! N& z- L b5.39.217.77:8898 0 a. H% X+ x: ^& Pplants in a garden. Once a tomato plant ) ~1 m# e* `9 K7 k 9 j# ^1 a# U U& Z/ gis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ' o* y0 o, c* {5.39.217.77:8898tvb now,tvbnow,bttvb+ q" X6 ?9 c9 M) I3 A3 b
water-soaked spots on leaves and stems that grow and turn dark brown or gray. A white downy growth may develop on the underside of infected leaves. Late blighttvb now,tvbnow,bttvb3 G* _/ x\" M: _1 Q8 A5 r+ X0 j
tvb now,tvbnow,bttvb8 v) l* l! _/ {, d8 G) F8 { can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。; b+ V+ m+ `* a' {+ g+ z$ P
& d& K/ B. l! q4 i/ q) Z8 w- P5.39.217.77:8898Septoria leaf spot infections will also help prevent late blight infections.
