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 ! x1 W8 Q+ M5 |
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 3 t% @; o+ H& p; C- I1 Ftvb now,tvbnow,bttvb+ R$ C/ s% r" a( Q: T5 z
Q2 }3 G5 w( c1 W+ ]' k5.39.217.77How to identify Early Blight 4 V& H6 H6 M* S6 V% L) @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。 8 ?/ _: u; _0 O6 fSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to / n4 [+ h) o- |* u& htvb now,tvbnow,bttvb4 z; q% j& S _3 H: l, T
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 5.39.217.77" C4 j; ?0 j1 t q
+ s1 b- ]" C3 Z0 h( d1 h公仔箱論壇in color and form concentric rings, or a % X% r2 T5 m, J3 Y公仔箱論壇9 N- l/ d5 P8 L: _/ B5 y, y4 d- \+ X
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 0 D& p3 ~: k2 `6 D2 i0 }9 v5 u5.39.217.77 $ Y2 ?( k' 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。leaves may fall off. Extensive loss 5.39.217.77/ W% K3 P F0 z, T& \( a& _
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ) i; Q5 c& a6 h- {5 [; G/ T$ f. j5.39.217.77) K- s7 ^+ F% i2 f' E
r9 r9 R0 q# Y5.39.217.77How to identify Septoria Leaf Spottvb now,tvbnow,bttvb" }# u& `- i3 U3 X8 w. E
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Symptoms of Septoria leaf spot also start : Y; O; L1 S. C0 o/ b" z% _! Z1 _. \2 ^, p5 ~ I9 E7 ^- f) J
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ! i8 n$ s2 o6 I; H$ \; j
8 B- R4 i C7 z) v8 S: [6 vshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.770 C% z5 s6 V X% G$ [# y
' }$ q& Y0 U5 B' i. S) x1 U& P9 Y0 XFollow the 12 easy steps below to enjoy a # N2 {9 F\" D% C+ {6 s& X3 B1 L, _: @公仔箱論壇 . N, j0 g' D; T0 `; U\" ]long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. E" J4 E8 X# u/ c5 k; `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。tvb now,tvbnow,bttvb5 R5 Q. f2 {# Q Weed your garden. Some weeds, 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 T/ V* t( t/ M' l5 c
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. * w) u- p( a, q8 u( `# Y; N0 g% _, \5.39.217.77 c% Z5 ~% z* V/ X$ L Rotate crop locations. Don’t 公仔箱論壇' U* V; S3 h) k6 J5 R
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas : e8 m/ D u+ L7 F6 b0 N5.39.217.77 % M) h0 a- X+ D8 v3 @5 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。where tomatoes were grown.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。& r+ X* h' G6 }& o' 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。. J9 {; @6 T8 J( L( M
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. 0 y* _- V1 V) e! g: r3 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。Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of * ?6 j# {1 q5 Q% Z" Q
/ ^! b$ K, a' ctvb now,tvbnow,bttvbfungus from the soil to your ! {3 e9 U0 a* s+ n) U E' Z公仔箱論壇 8 Z) K V6 o3 L' Ttvb now,tvbnow,bttvbplants.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。/ j1 P, ^; e2 x, B4 ]+ u0 h+ W
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Stake or cage plants to keep them 5.39.217.77! ^. \, C/ b* p0 n5 b( I G1 U
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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 , |3 B0 T0 Q; ytvb now,tvbnow,bttvb 5 v2 m3 V& n* {! X/ x5 B公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of * J4 J% V' o j$ Etvb now,tvbnow,bttvb 2 t8 G% ~1 I- ?' P- Y/ S% ~公仔箱論壇space above the soil without any leaves. Do not use ) ]2 I8 D; \) {$ O& X
5 T2 Q) W5 N. m$ stvb now,tvbnow,bttvboverhead watering. / E$ f& x$ r- q
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- Z. U6 S' F/ F7 D2 Q5 b8 ^
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 tvb now,tvbnow,bttvb0 A2 c$ S/ f4 A ?
2 w/ {5 Z; A- M$ S! [' F5.39.217.77fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 9 l: C8 y3 }* L, 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。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。- H4 l* q$ W* n: g6 b( c: M
wet. Keep your plants happy and healthy. Weak and stressed & m% ^, H( H+ q* d4 [( b公仔箱論壇4 u! S7 ^9 j, b% u) P+ V' F
plants are more susceptible to disease. 2 g/ z/ Q& P) N; Q9 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。6 {) P8 h# B9 D3 a' a
Remove and destroy or throw away diseased leaves, both off the tvb now,tvbnow,bttvb0 U* {( \3 w3 ~% E
5 c2 L3 ~5 V) @( qplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 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。. R. c& @/ c) @" B4 Y7 m" u
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enough. If a plant is heavily infected 4 G( {$ [7 x1 U6 B! ]7 B6 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。5 Q\" p, X% X: d! f- @3 S , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 5 B' w7 N* n, a w" h8 _* z5 f9 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。 - w3 Q* _+ s0 D- ^, p1 ]- @5.39.217.77to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb; H2 v3 I( T; d) q8 [
: c8 ~( D. o" h, H6 d, Y# S: }$ l7 j9 uLate Blight on Tomato Plants 2 g/ N9 [ R7 q- wtvb now,tvbnow,bttvb ) R8 \$ O; K' F6 @( n& `) Stvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 0 H8 G! t- Q; S" l
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 ?7 P( @3 t, x- _( d, g plants in a garden. Once a tomato plant $ h) h( ?, `9 g% u! f; M: R' M+ A: V3 [+ Q$ s
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; l$ Q* c% W3 |5.39.217.77TVBNOW 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 o$ f" `$ g% N1 I: x7 b; K7 s
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 0 I% W& T) x, E. F\" N公仔箱論壇 1 j9 C- i2 H, W2 H can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and / H. x% G8 C) R4 a5.39.217.77 . Z% y, d" e# [9 x7 |tvb now,tvbnow,bttvbSeptoria leaf spot infections will also help prevent late blight infections.
