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 . [& j0 H5 h% K0 `- w8 Q / Z1 [. c1 s) A! `5.39.217.77:8898can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 2 w# ^# Y: a: u3 \2 K/ z& ~8 @6 \5.39.217.77:8898$ a" ^3 H. j$ p
7 x m0 x3 ^9 T; q) ~6 ?5.39.217.77:8898How to identify Early Blight5.39.217.77:8898' V, C! o3 j" m1 A: [
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Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to tvb now,tvbnow,bttvb: {% t \. k! R) e3 s: w
, o5 T( Y* B- c# [tvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb6 f5 A6 I/ K" S
7 R" g0 X% f8 [1 b" I0 h4 R0 h5.39.217.77:8898of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ; c% O4 @' _: Z+ U! ]+ P1 otvb now,tvbnow,bttvb - G' x, q) R$ m ?& k8 @% K* w! t% 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。4 U1 e# |2 Y! z1 L* R8 L
How to identify Septoria Leaf Spot 5 ]8 K! b1 C* E5 utvb now,tvbnow,bttvb9 r" L2 r. _1 x: ^+ s
Symptoms of Septoria leaf spot also start " |- \# e3 |: u# e6 \' [% _
" u5 k- D" x, M/ P1 d/ Q2 R2 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。on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 公仔箱論壇# V5 Y8 e8 T5 @/ p4 I
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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:8898% o4 O P; r H/ k, S+ R! G& P2 g
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Small dark spots, the fruiting bodies of the fungus 6 V- |. s4 n$ T- a' ? , q* H3 f1 z% I. O# j5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 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。- W' J" ]0 i9 d# ?' ?+ f
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and dead. Stems can also become infected but + R\" C2 w5 B- g6 q1 W公仔箱論壇 $ y7 F\" c3 e# [# Q6 p公仔箱論壇infection of fruit is rare.5.39.217.77:88986 H) s ~: B7 j1 `
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。. T6 W& x _7 H# j8 ~* s
$ V5 \% Y: v4 a2 R, b5.39.217.77:8898Follow the 12 easy steps below to enjoy a ( l2 L' U# K* g9 Z
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. - D3 w) Q) c7 l) O6 Y; K5.39.217.77:8898tvb now,tvbnow,bttvb- w( g8 _$ j; ] Weed your garden. Some weeds, 3 z2 j& Q# ^- }5 Z: O9 ? d5 n& e
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:88989 u; _8 {7 X, }5 @6 h! G v, D
& \3 a9 b1 M" E8 Q& a1 STVBNOW 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。Rotate crop locations. Don’t % c3 ^0 w/ z- x' QTVBNOW 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。$ k4 r `; B7 E+ {
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas , U$ b9 O) \- d+ {3 @( X9 M$ OTVBNOW 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。" i* ] c( Y6 j0 n% o
where tomatoes were grown.5.39.217.77:88986 N* I8 E+ J- H. y) D3 d) `7 n
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 0 g; E; X" O/ W: Ytvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of + ^2 ^2 I; r$ k/ R+ kTVBNOW 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。# d$ [% K: ]* H7 P1 s/ S6 V7 O
fungus from the soil to your # }- N7 q& T7 |0 `' {# P8 W + E$ q: e& U: q6 jplants. # V* g5 r* d; z! p$ T% o9 o公仔箱論壇5.39.217.77:8898+ n/ L8 O- O5 _
Stake or cage plants to keep them 公仔箱論壇1 {+ N7 f: l8 k/ Y1 W0 W% ]0 x
: G! @& g" e9 ytvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and - L$ o# S% l& H3 V8 l2 ]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。 " C0 S5 K: I( W5 v# X. F+ lcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 5.39.217.77:8898/ a% ?. Q# T z5 h. m" ]( O+ f) }
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space above the soil without any leaves. Do not use 9 e$ K/ T# z. `- v& S; O* D2 C
0 k8 I4 D5 t- U公仔箱論壇overhead watering. 3 Y, E/ z2 U" d [
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.77:8898/ k1 c& g$ c, D7 v$ b# l( q
Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow % d' V3 U3 o( j/ k. u( d& H公仔箱論壇 - R- d6 a8 j! I3 l# vfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 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。# x$ S5 j9 M& r* Q3 a- d
3 f3 J. A) o0 Z9 u s/ stvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the 2 l) r A9 R6 N( q3 i & D7 |0 f% ~8 { v. Itvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 4 S6 ^3 d( m7 \. m: s, w3 a$ ^1 ? q6 ]! B0 o
enough. If a plant is heavily infected * _; g3 w3 J: i) j. Ytvb now,tvbnow,bttvb D8 f0 p) }9 `5 x$ q. f( e , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 0 a! \, A' |! ^3 N C- Vtvb now,tvbnow,bttvb 8 Y+ J, U& [* h4 T/ B; [2 O+ pto remove diseased leaves should be disinfected before being used on a different plant.6 @( b1 j0 q( d n6 x3 ?
! t1 D1 B6 H$ U0 {! ~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。 + l! d0 q9 b# x3 [# C' j公仔箱論壇Late Blight on Tomato Plants . v1 i( {- F) S' ^+ k公仔箱論壇 7 N$ b V7 `" _+ f2 n* @/ T: ILate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 4 W- \- Y* Q; ?/ C# mtvb now,tvbnow,bttvb / a" e, \) a- A7 P( P, A/ Vplants in a garden. Once a tomato plant & O1 x. }0 b+ z7 d2 i5 w ; P9 a1 [" `8 c; jis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ) e! O1 M, N% |0 H$ S8 s7 \+ |
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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 blight 4 G+ w5 ]4 S6 RTVBNOW 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。 4 Y6 ~\" X; K! s- RTVBNOW 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。 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 0 i- k6 g8 c; J! V* I" _+ G- XTVBNOW 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。 v' _, q7 Y q3 R
Septoria leaf spot infections will also help prevent late blight infections.
