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 * H4 q, W+ h$ i& T1 u5.39.217.77:88981 H2 i9 e+ Y8 a% ?
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.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。' n1 b( b/ ?( s! B# {
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How to identify Early Blight 4 F2 A4 V4 @* I: u7 I S. ]+ C& Q; ]5.39.217.77:88985.39.217.77:8898& c/ O0 g C" [0 `6 ?7 r7 e6 ]
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* b; @3 z+ i) T
2 o( w$ Z* Q& a- r& s1 q# b+ h ]5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown ; H. w* ]# Y7 G8 G6 }/ g4 A 4 q$ {( Y' \5 n! i& Yin color and form concentric rings, or a ( \; f' d\" S+ ~9 G/ H5.39.217.77:8898 ' ^6 `, }$ E* G8 E5 j$ [& qbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5 o9 y/ F2 i6 C5.39.217.77:8898 ! y' X* A; P3 {/ t J5 Rtvb now,tvbnow,bttvbleaves may fall off. Extensive loss 2 d9 l7 W! y% ?$ V9 \1 s5.39.217.77:8898TVBNOW 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。. f; w/ \9 y1 q: g" L$ ?
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 6 J0 @" W6 A6 i5 o# v: H) H5.39.217.77:8898. D. Z, z+ k- D4 A
* m4 s, M/ ` S( E# Z6 v公仔箱論壇How to identify Septoria Leaf Spot " }8 H. J" t9 Z3 r; q: \" ]tvb now,tvbnow,bttvb 6 ^' ^: q8 z' x$ K- R. Wtvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start 0 Z/ R- _) S6 U4 ^5.39.217.77:8898 8 S) E% t! L+ w( f. Uon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb, k* T0 v G' j8 L" d9 {, P
9 D7 V! o. m& g+ r: `# k4 [5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. " Z! S8 x$ q% A1 i
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Small dark spots, the fruiting bodies of the fungus \" U\" D& n! U& `+ ?: n/ ~公仔箱論壇! {9 L8 o1 h$ V: m: B, Y$ T , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.77:8898" a2 n! Y) ~, a4 D) ~
3 B2 z( P! m+ n9 y( Atvb now,tvbnow,bttvband dead. Stems can also become infected but 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。; a6 k% @2 T1 G- {! R% r7 z# o; a; B* @
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infection of fruit is rare. 9 v6 ?3 b6 j4 r; z3 I$ Z - X2 E& `+ Q* ^! \ F/ H4 P1 e' N5.39.217.77:8898 0 ]* G1 ]6 f: U) x9 X2 i5.39.217.77:8898How to Prevent and Control Early Blight and ; e1 ]4 P; B3 A1 F, 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。% P\" X/ g. u% ?: V) m& w6 G6 i- y
Septoria Leaf Spot 7 N* }( T ]. ]& t. W) {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 i6 p* q* R: ?8 Q6 b7 o
Follow the 12 easy steps below to enjoy a 公仔箱論壇$ R% h: S/ x D! L% ^
tvb now,tvbnow,bttvb' E9 n- l0 w3 ~: n* A+ C4 q\" ^8 q4 O
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.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。( z5 @8 u, Q$ ^1 J( r
. O3 i/ b0 j, r/ s Weed your garden. Some weeds, - `9 m, k+ m; T1 D5 p- C5.39.217.77:8898 ) y1 E1 W9 i1 d4 ?+ Etvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. ( K0 ^9 i# J" i* I5 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。公仔箱論壇# P; A9 e$ @' B& b, m) g Rotate crop locations. Don’t 2 [. K; r& A4 @公仔箱論壇 / ~- q0 C# ^5 L Q ^plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas ; s ^% `4 v" q0 U' _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。0 h9 \7 T: \( g$ @# ?. C& }( J' v2 `
where tomatoes were grown.4 h) _$ s; X" M$ T" H
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. ; ?* k& c2 v3 n3 X; F% etvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of . h" P# @& @* H6 B& \6 @6 D ; G, w( {4 d$ c; t$ j, Bfungus from the soil to your 5.39.217.77:88982 @" ~) i$ I1 {% @1 J) u+ A
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plants. ( H1 J+ q3 T4 y( ~4 `% 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。 ! d# b4 |# N3 R$ |0 [' l; C5.39.217.77:8898Stake or cage plants to keep them 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。' d) Y" g- l& M. e' [8 z- h
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb/ c$ f7 ^0 h! u/ G
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 e( H9 Q: c( ^: s5 C# k
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of * O! p1 X* j& G& X0 }5 w; {
9 C2 l) a4 s; ^9 h! b& N9 N6 y8 Uoverhead watering. % i5 [2 v6 ?, L H7 itvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. & B& |# L7 T% G9 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。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 2 T3 _' _8 d! g3 P' q) R4 I
F6 Z8 T2 P/ b& m5.39.217.77:8898fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 7 t7 w* ^$ N0 }! g3 ~tvb now,tvbnow,bttvb5.39.217.77:88989 n6 T1 _% t8 c% m) m( f4 z
wet. Keep your plants happy and healthy. Weak and stressed 2 P' u- _) s6 x# I1 V
/ Z7 Z* V" t: {$ ], benough. If a plant is heavily infected , [1 o2 E* _7 F* Htvb now,tvbnow,bttvb 2 J, J4 _, }8 [4 FTVBNOW 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。, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 9 |7 f1 g0 r* g! E公仔箱論壇/ Z' l( ]! V( v- \' Q5 G& X
to remove diseased leaves should be disinfected before being used on a different plant. $ _ ~* R' k' ?' Gtvb now,tvbnow,bttvb ], S( j; ]- G3 c) q' qSpray plants to prevent and control the 6 V' y' t$ N0 w& a) _ c6 ktvb now,tvbnow,bttvb公仔箱論壇( q: f$ e7 f2 }& G+ V' I) Q0 H
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ) u4 i4 i5 m4 d# x# X公仔箱論壇. F9 o9 j! `: x
GreenCure.5.39.217.77:8898* `8 I6 u0 p( H* j
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Late Blight on Tomato Plants- ~) M0 x9 i5 ~4 `
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。2 L$ r7 g* d* i+ d" y+ `% R
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato . z0 @2 [: \& l4 k4 m ( N( l. Y& s. }! z8 f3 Iplants in a garden. Once a tomato plant 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。6 h! U; U9 a# p$ R0 p+ w1 f; N
% X7 u5 H: y8 M3 M/ R( g5 \1 x& nTVBNOW 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ) I9 S) [( ^6 X6 r. P9 m( n. n- L; d
4 w( L" D* f7 X8 @. H! s公仔箱論壇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 7 b- ]' ?6 _\" P/ ]9 Q3 z( Ytvb now,tvbnow,bttvbtvb now,tvbnow,bttvb\" d& c: i e\" l& E: Z% j9 d# g) g can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 0 H+ p. N6 d2 ]7 l公仔箱論壇 1 x" z5 }7 _, u: A* T2 Q+ N: H) {Septoria leaf spot infections will also help prevent late blight infections.
