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 , n1 \3 a8 R* @2 i4 r! J" T . h( f( G: m% q! \) 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.77:8898) f6 S: G) p2 [7 C1 y! T: W
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How to identify Early Blight 6 c$ n+ l3 J, K0 e7 _1 K5 ^, }5.39.217.77:8898 6 ]) F, b7 r7 ?, O8 `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。Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 3 a' Y6 |7 l* V& Z4 T 7 ]" T3 t. K8 p' A$ ? Z: nnewer 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。7 T, A0 \, } x' l3 j! d
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 d6 a( G; m4 O' U+ k
in color and form concentric rings, or a % `) l- [- h: z9 A* y3 ktvb now,tvbnow,bttvb % S- J* ]0 G3 [5 z7 abullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, % p; m* ]0 @& _' t4 |tvb now,tvbnow,bttvb 3 N2 |* O1 \% y4 K1 n6 H. n& 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。leaves may fall off. Extensive loss 2 T. M' ?& y1 H" I/ o- r9 y8 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。 % a3 f. j1 Q, p( V& U2 ~of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 3 }2 N9 x4 C; Y# c. _/ X; m% F5.39.217.77:8898$ {" q9 W1 Q) N2 M
+ w9 I! z& h" P3 b- T! AHow to identify Septoria Leaf Spottvb now,tvbnow,bttvb, n$ N/ M' j8 {7 {& \
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Symptoms of Septoria leaf spot also start 0 Y& d; _' j1 I' t9 z公仔箱論壇7 Z1 i p- i/ `4 S
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change # Q$ l9 f7 `& n& P% p5 Rtvb now,tvbnow,bttvb, S; r2 _# R1 }* B; Z
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. # V& N5 ]$ h" u. v' l公仔箱論壇6 C7 E% z2 N, H
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。: s\" I) g( i: S \6 b
& L' p' x! s( a( q( ~) I. z , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ) K/ d+ z+ X+ T5 r/ V1 w$ o ^
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and dead. Stems can also become infected but \" ]; k\" ?* K0 l& O' }) b公仔箱論壇 6 y4 ?. ~+ d5 J2 d0 }6 s7 |公仔箱論壇infection of fruit is rare. . M: s2 }5 s% k( W( Ptvb now,tvbnow,bttvb5.39.217.77:88989 _3 E* n. U) {7 t" f4 o/ w
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How to Prevent and Control Early Blight and 5.39.217.77:8898$ ~% V. Y2 m* D' i
$ p _: `5 v+ X2 U* n# 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。Septoria Leaf Spot , p1 C' c! B- A3 M9 j" G5.39.217.77:8898 . x9 q! h+ s+ X! _ F/ EFollow the 12 easy steps below to enjoy a 5.39.217.77:8898/ L+ z+ `# T! C
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ; q! }0 @1 c$ M) I" s2 E' x% D5.39.217.77:8898 5 y" U+ [; N1 ?& x. H3 H5.39.217.77:8898Weed your garden. Some weeds, 7 z& {6 o: R' b0 T5 u/ 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。 7 i$ U3 y7 M0 D8 O* d: e! v7 Hlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. / g& K$ K1 q2 @4 V . G r C1 l5 B- W: P, t* O- WRotate crop locations. Don’t 0 T5 |! Q) T5 ` 7 p+ U! w1 k, b5 v5.39.217.77:8898plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 4 U' h! D/ Q3 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。 9 L8 m0 Y# h! K+ }4 Itvb now,tvbnow,bttvbwhere tomatoes were grown. . H+ E9 E' d( ?5.39.217.77:8898/ [( ~3 H! y( r% u+ h7 K
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇: w% _- Z0 q3 A6 O1 F a
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.77:88982 W; N) i( ?0 W1 r M' w! n1 W. |
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fungus from the soil to your * A# S* K+ h: u5 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。 U% N7 H3 M# S" a3 n2 }# Hplants.tvb now,tvbnow,bttvb5 a! i( Y, J4 S7 y h$ X* c8 a+ J
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。/ F8 ^1 K4 d c0 q7 M; j
Stake 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。, Y8 }8 @0 v5 Q9 V
5 z/ F- J! p+ VTVBNOW 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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 5.39.217.77:8898& k5 k9 r- m0 P! j3 w
/ Q* `: Y) d R2 f/ W, q$ 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 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 T( A6 `) N P. _: `. e
( A2 S# b6 q) w" ^! y, c公仔箱論壇space above the soil without any leaves. Do not use ! t1 l/ q4 Y; b; b3 r: WTVBNOW 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 N/ Z' y9 R! h& c* W9 b, ]\" otvb now,tvbnow,bttvboverhead watering. m }; E: M7 Z1 {8 F( A$ xAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 2 ]1 U" v- L W) h公仔箱論壇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 , R3 Y4 f( f- mtvb now,tvbnow,bttvb# Y: R1 i( X6 e
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 9 O- h5 c/ }$ Z9 W
4 ~6 p- {; E8 u" @* F- X6 h ]enough. If a plant is heavily infected 5 g+ a. {- U/ m, T5.39.217.77:8898公仔箱論壇: o% U6 k- K2 E , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used # R* z* W" _' i/ ?+ P2 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。 s0 U* u+ K: Q8 A& n5.39.217.77:8898to remove diseased leaves should be disinfected before being used on a different 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。- G6 n8 }8 @* G$ @) c& B6 X
}1 m- I3 `) @$ x. o公仔箱論壇Spray plants to prevent and control the 8 J/ k: n2 p4 M6 ^( v/ a( m5.39.217.77:8898& ^% G0 X P& l$ r' S: `* p7 E/ F9 s' h
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try # U& u, h" t; R6 ~/ @1 \6 S# Q! m. }3 ?tvb now,tvbnow,bttvb公仔箱論壇* A G* k- \: R7 P5 E R
GreenCure. 7 |) Q# E- p9 L) @: F5 [+ Ktvb now,tvbnow,bttvb ( ?6 G- h5 s$ M ?5 c8 p8 B4 Z3 r5.39.217.77:8898 & H) m1 ], D2 R+ _4 pLate Blight on Tomato Plants公仔箱論壇8 ~$ `/ O- ]( c/ w) {; B" d0 F, \
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇4 P# @! S+ B& ^8 H9 }; I
( w9 P0 I4 a! h4 zplants in a garden. Once a tomato plant , L( h/ F( e: X8 {! W* q8 p公仔箱論壇公仔箱論壇' F9 l& e$ p3 L( B/ l5 w
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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- ^6 Z1 [+ [% q* N: a, z [+ u% T
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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 blighttvb now,tvbnow,bttvb) @; G% s\" f- c! H2 K) _7 }$ f
5.39.217.77:88982 Y7 q7 P( f6 t5 k3 a2 s can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and : ?3 p- M9 b7 j8 x, v" r公仔箱論壇 ( U1 ]: R- q" G* |公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections.
