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 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。. i/ P! B3 w1 o5 h9 M
: C% h# n; h4 c- n) E tTVBNOW 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." R; {/ l7 ]2 ]' f
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How to identify Early Blight' G' f3 d; k: B) A* _7 Z6 m
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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 ; ^8 m- B% L1 ]0 z& L5 B, |9 ?8 }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。 & {( j; n: {& d$ l9 i+ i r* ttvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 公仔箱論壇( S+ z/ j$ O. ]
( a7 o5 G' i& Q/ M& s& \3 fwww3.tvboxnow.comin color and form concentric rings, or a ( ~( u! F# D\" Z3 c; F6 h! e\" N' G7 otvb now,tvbnow,bttvb ( x! B* e% F' H+ A0 h公仔箱論壇bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, . i) z9 x6 h. @% u* r( F9 S% W公仔箱論壇 0 U" u h6 n! @6 B! ^& E" }) ?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 www3.tvboxnow.com" }; K& I- ^5 T2 _
- Q9 {, c0 H d9 [1 y" D2 P1 h. Mof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 9 J% b7 e9 D, f' S0 \9 F公仔箱論壇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 |2 ]/ O* f7 a- k6 J/ q# E7 z
% u# ]& }( F0 U/ L/ D' w- T' DHow to identify Septoria Leaf Spot " y; q% k2 l6 T4 j) s* y% [; Etvb now,tvbnow,bttvb & `) b" S1 n8 U+ y; k. H; x" f1 VSymptoms of Septoria leaf spot also start 7 O& w1 W. {; c" U$ H) [tvb now,tvbnow,bttvb公仔箱論壇# Y; n4 e# B8 {: ^8 E4 [
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb6 S1 P; P' q$ s- r1 f
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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 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 t2 M; [% z5 x, D. M* w. _
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Small dark spots, the fruiting bodies of the fungus i; o' n7 Q* _# d
公仔箱論壇0 o# Y! _8 d0 r5 p. W , 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。- \0 J2 S' c K3 w0 ?' q# E
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and dead. Stems can also become infected but www3.tvboxnow.com) n, X* I0 B3 p. S Y
# O1 \% b: U! k* Z) xlike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb! y7 K7 k- w0 g
www3.tvboxnow.com- T) J5 o3 n5 {& c Rotate crop locations. Don’t 9 f% y4 x( V f0 }3 c M, Uwww3.tvboxnow.com F8 G7 Z2 _- H+ X1 f
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 4 k5 L B6 J" [0 `! P' W$ CTVBNOW 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。 ( G: ^+ l* d$ ^" j公仔箱論壇where tomatoes were grown.www3.tvboxnow.com0 w' J" y" ~3 w3 ]; A) [/ t1 X
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. ' [4 y# I& X3 t0 _' J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 k1 c7 A+ @1 m% {4 ?
- Y+ }2 \# k. U4 N( ^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。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。4 R7 `3 K0 `3 u' P3 n4 O
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plants. . N/ e2 u. W! ~# S# vwww3.tvboxnow.com! `5 Z6 e. A$ S' \ E4 S9 x
Stake or cage plants to keep them tvb now,tvbnow,bttvb" F: @+ W, s! M M9 @. f+ X
7 N2 S1 C# o& Foff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ' D, l4 Z2 N( otvb now,tvbnow,bttvb 0 x1 q' x- j- T d1 jwww3.tvboxnow.comcages. 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。4 C1 M# P ~- j/ H7 P
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space above the soil without any leaves. Do not use 3 {9 W1 w) r, l* w9 E) P2 W1 Rwww3.tvboxnow.comwww3.tvboxnow.com5 y& n/ A\" f& o$ _
overhead watering. / \8 [" e/ \( [) C! q. c! n# bwww3.tvboxnow.comAvoid 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。) K4 e! f7 v0 o" o& U8 X* A
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 公仔箱論壇8 \: N6 c, i* L# H2 r3 W
5 w$ F6 f- e" a6 U4 d) sfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5 {% v# S) `, j) P3 H1 Vwww3.tvboxnow.comwww3.tvboxnow.com: s: h9 s- V3 T2 g
wet. Keep your plants happy and healthy. Weak and stressed 5 A4 q- |, `1 g, }2 j$ J4 b& z/ G; ]1 a) Q q
plants are more susceptible to disease.1 }0 K+ g5 s$ z7 z& k7 n! [
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Remove and destroy or throw away diseased leaves, both off the tvb now,tvbnow,bttvb4 J* ?) s# h: n( A# X) G
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 0 n S) Z" c4 d4 p5 ?$ ktvb now,tvbnow,bttvb( T( K$ j3 F% d" m% i8 T- o$ T
enough. If a plant is heavily infected : I* G, A. X9 i& H! T; q3 n2 O! [www3.tvboxnow.com1 ?2 G4 k$ P, s5 p$ M\" c , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 1 S/ l: a7 Y! h% l% M7 |; P- }! rtvb now,tvbnow,bttvb + P9 U" a4 }' N6 ~) e/ Y1 xtvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant. ( D0 Q- x2 n- C% p# g / p- G) p7 k: _ S) E( 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。Spray plants to prevent and control the 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。& P1 `4 @' m. T
2 D, B! f" d( g; qtvb now,tvbnow,bttvbLate Blight on Tomato Plants $ P% G9 S( T( I# \ % P5 y5 l" U. [# WLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。$ v9 V/ r5 e# v# r
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 g# U! p) D* u1 ~( j! N6 o plants in a garden. Once a tomato plant # F3 V/ H+ o5 M+ u8 s& T2 W4 J
7 P& M( \$ S; d, ]) u2 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; ^# L' p1 f2 u S' b
0 w5 ~7 u" W9 E3 i( O) o. f* r' pwww3.tvboxnow.comwater-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 blight4 h5 J6 S$ Z( |! e' O
公仔箱論壇* j6 r# k: N4 S* [1 o2 ]8 r$ N can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and www3.tvboxnow.com: k+ ]$ N/ K: I I1 M
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Septoria leaf spot infections will also help prevent late blight infections.
