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 5 T( o3 y# }, N" ~0 qtvb now,tvbnow,bttvb7 x' U# P6 {2 i/ F: J9 J7 g8 m9 k" g
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. ( h) G1 \% d! B0 z% m g! C6 w# O5.39.217.775.39.217.77' ]' ]4 v" r% b8 n; k
0 ^% r: \- P9 K2 V% e; CHow to identify Early Blight ! }3 R; q8 Z$ v5 n: t% Z- I1 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。公仔箱論壇3 r, ^- R. I D" T
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to / B) K; v1 s* {/ @: J3 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。/ P8 X8 Z7 ]4 Q1 U9 K
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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。9 c: t$ k) g. r: ^ I% g. Y
3 b6 |' ] j+ N) @leaves may fall off. Extensive loss 5 @( @+ T) z. A' W9 }. 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。5.39.217.772 a4 g7 x& t0 _* k4 x
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇9 `' [' O8 G9 t* z, {2 N
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How to identify Septoria Leaf Spottvb now,tvbnow,bttvb- u) j+ T% F6 U
. j7 L* S& f0 n公仔箱論壇Symptoms of Septoria leaf spot also start 5.39.217.77 _: R6 r: t6 b. f6 U6 S/ q
2 o6 B, O1 L$ M5 f" q. w3 U) non the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change : p/ _' [4 B0 F& M H/ r+ O( Z8 x: ?# Jshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. + H+ r: F2 A3 H4 q$ `公仔箱論壇公仔箱論壇" f" H! Y2 L @2 P1 ]8 ^
Small dark spots, the fruiting bodies of the fungus \" {. o% _* G# d+ F$ [tvb now,tvbnow,bttvb $ J& S: d4 I1 m' D8 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。, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry , k3 A4 D2 ]7 w: x- C& D公仔箱論壇5.39.217.772 k+ v* d% m: b8 ^0 y+ N# z% [
and dead. Stems can also become infected but - k% _; k% F: p\" e
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infection of fruit is rare.5.39.217.77' \; ^) n7 T5 Z$ a% E6 C
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How to Prevent and Control Early Blight and 5.39.217.777 A, N. V' b/ M. _! {! D
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Septoria Leaf SpotTVBNOW 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, N5 X) V" @* U* e' f
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Follow the 12 easy steps below to enjoy a 1 [: c8 D; f& f- `9 \% Q! ]公仔箱論壇5.39.217.772 W8 G9 X! ^- e) v. P5 G
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. & ]9 k5 X; C8 ~( ~ " o" ]' }' t% @, t7 D: k, Q2 @Weed your garden. Some weeds, 8 f4 _' M/ L5 S+ N5 [6 Y& v5 U3 O
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. / N0 ^4 T/ ^% }8 E 5 c+ ?# j# W. k; E3 x m* \5.39.217.77Rotate crop locations. Don’t 5.39.217.77/ H7 ?2 G) `! {2 m6 Z
5.39.217.77* @5 I+ g% B- d- z3 w& l2 V
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas + {6 I6 W# I& {1 u F5 V) w' q) h公仔箱論壇where tomatoes were grown.5.39.217.77, U; m7 c& J* K2 d4 F E3 w9 C
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。- s8 C& \* N7 R; `- _
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 8 g7 ^7 o w+ d+ f: Y4 yTVBNOW 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 7 Z6 s7 _$ ?+ x8 r- Z
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fungus from the soil to your 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。; H' q7 x1 H7 ?
8 ~7 R9 ?6 M: p0 X. J5.39.217.77plants. 5 D, Y1 ?+ ^6 D4 t3 v5.39.217.77# ]* q1 ?( H) J9 h S- z0 C
Stake or cage plants to keep them ) L1 R2 ?& t$ z& z! @tvb now,tvbnow,bttvbTVBNOW 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 b! [/ y1 H! U4 p
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 公仔箱論壇* k8 ^* A5 y$ ]; Q9 T
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cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 9 z/ w$ F# K/ e% }& K# i! Z5.39.217.77' l& x" v; |& m2 N
space above the soil without any leaves. Do not use 5.39.217.77# L% T+ T& O. N8 y4 n' W
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overhead watering. 5.39.217.773 y/ Q$ s& n5 R: m- b' i$ K
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. tvb now,tvbnow,bttvb w, W0 h# k4 \0 L# r4 m4 b; e# K: p
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 ( C, X1 O% @! U( ?! ^, P5.39.217.77 r7 h& E+ B! B/ k/ q$ U
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are j* X" U! ?. Y [1 q' }7 \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。5.39.217.77& h' b; k# b4 s% ?
wet. Keep your plants happy and healthy. Weak and stressed & {5 R5 [! T, k7 i/ A& u: S! gtvb now,tvbnow,bttvb # \9 W( F' \* Z, [: }7 F\" T; M公仔箱論壇plants are more susceptible to disease. }3 W$ b$ V5 G& M
I, x1 }5 L3 |# @tvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used ' n7 r: G5 ]$ A: W+ pTVBNOW 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。tvb now,tvbnow,bttvb, b+ L# |6 b7 {. x
to remove diseased leaves should be disinfected before being used on a different plant. 7 v. @. s" Q) X! dtvb now,tvbnow,bttvb : c* L5 P7 z9 k: ~8 J6 p9 E) zSpray plants to prevent and control the 5.39.217.77) z) \6 j% v2 b! K' B8 N. T
5 G3 Q/ g+ L7 k+ U6 g3 j# q2 }spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try , y- Z% C2 }; ` S5.39.217.77 % M, R' F7 q+ s1 B* u* ]7 s8 CGreenCure. 8 ?% N- m, z, [, i公仔箱論壇0 k& U3 X& ~* u8 i5 j1 t9 G8 U
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Late Blight on Tomato Plantstvb now,tvbnow,bttvb: U2 u9 F3 x% Y5 F: H* ^
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 5 w! b4 ]+ x: K) j6 X$ F/ Y8 \
0 r( ` l3 W0 U; f( D2 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。plants in a garden. Once a tomato plant 4 p: i, s" O" z3 B7 u, Y, H5 Jtvb now,tvbnow,bttvb 8 c4 ^! H5 c6 g8 l" A7 E% @' qis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5.39.217.77! F/ u3 Q' Q5 b0 z4 v' L
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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 \" b: R/ ~& v; H\" Y' C0 i公仔箱論壇 & e+ O$ o, N5 b4 n\" U can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and $ i" x6 P6 x7 g% R3 D4 \tvb now,tvbnow,bttvb , V6 }6 Z' F: M. Q7 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。Septoria leaf spot infections will also help prevent late blight infections.
