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 tvb now,tvbnow,bttvb& Y( h! G7 p! T0 p
! z; v X, v7 ~/ d/ O7 R3 h& u+ r# Mwww.tvboxnow.comcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. ; K% b! }1 a/ X# H; l7 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。9 c! j' W8 l, n3 l: P+ ^0 T
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How to identify Early BlightTVBNOW 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/ b. w% J5 R+ L; f' t
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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 www.tvboxnow.com5 X$ r0 Z( Y/ k- P. G! ^5 P- N
1 q7 t) S6 ~+ e! E7 Jnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown www.tvboxnow.com) V' X: ]* C( {4 `$ O1 R% ~0 H
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in color and form concentric rings, or a 公仔箱論壇7 y! t+ e\" j; W3 U! h
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 9 M! ]. _8 t; ^9 |3 D5 f
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。/ N3 x6 @6 m1 o. }. g" _0 L7 A7 u leaves may fall off. Extensive loss 公仔箱論壇) W0 w9 W: V/ K- r" w
) ]: m: E. o) W7 Fof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ' @ P3 G- T4 ]$ M8 P公仔箱論壇 : L1 U) b: D1 l, _2 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。+ _& L& G7 @% A1 o" E5 U% Y4 l
How to identify Septoria Leaf Spot / \9 C- Y( i( q. q+ C公仔箱論壇 4 Q1 V3 B. U- }tvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start # ~+ p; z% K/ [# G5 B
9 D& ?. @, }3 con the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change , T/ c$ j* C0 \ 9 [. I; O \, o8 H0 @shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb/ S0 R6 z% y+ k4 d3 h7 C, @$ S
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Small dark spots, the fruiting bodies of the fungusTVBNOW 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。1 g- e: f2 J6 `$ g9 p
4 C1 f\" H; n5 e4 Q! B; W\" W) Y2 \www.tvboxnow.com, 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。: n9 l5 `8 d2 w" W: D- l
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and dead. Stems can also become infected but 6 x4 z: K4 Q9 N+ w% v# HTVBNOW 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。 / _( S\" F7 x9 p! t5 a公仔箱論壇infection of fruit is rare. 4 j" w! O' P; U: W7 |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。www.tvboxnow.com$ x; u0 l7 }1 ^& r
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How to Prevent and Control Early Blight and ' j% ?1 L) z5 l8 Ttvb now,tvbnow,bttvb. v, ]! Y( V3 ?
Septoria Leaf Spot 4 p: Y# s' |: ^3 x6 @) Iwww.tvboxnow.com ! j; t! Y/ \$ j8 Iwww.tvboxnow.comFollow the 12 easy steps below to enjoy a % W( ~4 {\" N4 W5 L ITVBNOW 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。 / [& }) M- S2 ^long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 2 T9 e: p/ O. o: ?' B2 S H: p公仔箱論壇 ) x8 |9 q M$ m; o公仔箱論壇Weed your garden. Some weeds, 1 j2 M! J& A* r
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.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。( a4 M2 C$ k0 j# `2 V8 j* W
$ J( x: Z* g+ o% d3 c3 z Rotate crop locations. Don’t 2 i0 F* }. ]9 ]3 F/ 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。 / ]8 o- @! M, Q' }9 s. J+ |3 ]) N公仔箱論壇plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas & ^! v8 U+ H1 S: J1 n1 ]. ]8 k # W. c; z. I! r$ d; `$ }www.tvboxnow.comwhere tomatoes were grown.www.tvboxnow.com" r: k8 B w) d- o( I& M
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. & _: |2 @ K$ S6 i公仔箱論壇Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇) v- n m+ e8 k6 w
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fungus from the soil to your www.tvboxnow.com, T; W, G9 f* | ]6 O2 Q
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plants./ o. B: b3 }' W& v0 b
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Stake or cage plants to keep them ! n% l- j1 }) t9 L/ ?2 U' j" wwww.tvboxnow.com% q5 T8 t+ @8 y! g
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 0 @. F( Z4 G: m( b% k! d
7 c( Y X: u% j5 Gwww.tvboxnow.comcages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of www.tvboxnow.com0 P3 x2 _4 T* D( g1 {
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space above the soil without any leaves. Do not use www.tvboxnow.com! k& B8 Z+ ]' ? i* M
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overhead watering. 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。3 f2 j* G- ^* B5 ]0 w4 q8 s
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 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。, Y2 S( f7 R- H# A- Y5 ?. m; C
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 6 ^+ |7 _2 N. o3 y# ]
" ?' N7 k$ Q7 e. u公仔箱論壇fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb5 z) k8 r; x5 l; O8 m
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wet. Keep your plants happy and healthy. Weak and stressed 2 h$ K8 P M' n7 o8 o* P/ B z$ ?! L9 y1 Z( v; `( M
plants are more susceptible to disease.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。4 H P% M) [+ ^7 K+ J$ y
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Late Blight on Tomato Plants " L/ y: a& h: i! j0 a( uTVBNOW 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。 A4 d0 g* D" h公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato : |3 U* S: X: ^- T. @ K1 b% ptvb now,tvbnow,bttvb$ Q8 Z- u5 U/ ^# H) z8 H! L plants in a garden. Once a tomato plant ; `1 j3 o' ?0 ^+ y2 |& Z& G Q* V# c3 w
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ) @" }# _6 L9 U4 D# _tvb now,tvbnow,bttvb & u8 o) Z8 f" G/ g& E/ Ztvb now,tvbnow,bttvbwater-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 7 W3 \% }* S2 R; ~4 I9 }) l4 x: _. M4 R can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and + |- _) C5 Z( K公仔箱論壇 ; N# E) J2 _- U' {5 \0 @. W6 ?公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections.
