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 tvb now,tvbnow,bttvb: a. m' y H6 g7 W" g1 n
' H+ A; q# s. D- M, L公仔箱論壇can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. $ i! a6 O% D' c) y2 Q$ Q, x5.39.217.77:8898 ! p5 W# c5 U! C+ a$ @tvb now,tvbnow,bttvb & |: n. p: G6 ^% [How to identify Early Blight6 K1 R9 W$ P6 l$ E6 N
7 {" D& k% o& x0 n8 f; A2 M公仔箱論壇Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ( N+ i4 i9 G4 V5 a0 G/ z9 w
0 h- E& P3 U. h0 [! P" c! F+ h* ?tvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown ! [* T- Z/ p# @& D) g' `
+ D) N# @9 |: I. u6 n6 z3 V- d8 vin color and form concentric rings, or a * `5 a+ t4 L2 E3 V4 k4 U+ ~0 ^ s+ \8 C
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇, h% {, q" h( w' i A; q' R0 C
tvb now,tvbnow,bttvb& M% l, P' _ }, D, q leaves may fall off. Extensive loss + i; ?' U. Y6 T5.39.217.77:8898公仔箱論壇" q+ _2 _) M) }" P( i. e4 S
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. - u! u, O" h5 l/ _- K1 `tvb now,tvbnow,bttvb 9 V f8 U; q9 h T2 S- \" e8 ~3 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。tvb now,tvbnow,bttvb9 O; G4 @3 T5 z9 Y* Y) \+ N! L
How to identify Septoria Leaf Spot 8 N" g( @/ X) }# v% K$ F0 t公仔箱論壇 $ g! v/ W7 S$ k+ T- J& hSymptoms of Septoria leaf spot also start ! ` p0 k; R+ ?9 p0 O , k3 n3 l* q- lon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 5.39.217.77:8898' n9 I2 `/ t5 N n- @: p( Q
) ?$ N8 `# A5 [- H+ jshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ! s7 h. \/ q: _
c4 _+ F0 \- W1 ctvb now,tvbnow,bttvb, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ]6 Z3 l7 g3 G' \( W9 w+ N4 ?2 Z" l公仔箱論壇 # n7 Y7 X& R' v2 `3 y2 z! ^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。and dead. Stems can also become infected but ' [+ [: K. ]% a! W6 C 9 Q( X6 @/ ^' x- Ctvb now,tvbnow,bttvbinfection of fruit is rare. 3 }" l V8 l' k+ a i) F" Q3 U* | * b% O- b( I( ~- I$ H& Y: y# X% Xtvb now,tvbnow,bttvb ^3 e% @- h# a. Q/ stvb now,tvbnow,bttvbHow to Prevent and Control Early Blight and + R; \( P k3 q5 K# @* I# R2 j2 I) t9 Jtvb now,tvbnow,bttvb5.39.217.77:88988 ?8 m: D0 @0 z9 j\" S
Septoria Leaf Spot " G/ _% I! s! l t! s% P2 b5.39.217.77:8898 ; c! K! V. o$ |公仔箱論壇Follow the 12 easy steps below to enjoy a 4 ?+ Y, ]+ N\" f公仔箱論壇 - W/ V& g0 \/ n! F- 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。long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. - {7 U+ X0 U3 i. h* n5.39.217.77:8898 $ ]4 n1 P; S# s; R: s公仔箱論壇Weed your garden. Some weeds, & s( ?6 z3 Z, p f0 S( Wtvb now,tvbnow,bttvb公仔箱論壇( P- F+ q2 a; l5 T
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 2 M1 t! q& g8 M; 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。 - Q% o, ~6 V& B5.39.217.77:8898Rotate crop locations. Don’t ; X- a- O" a0 b7 G: n ' x v8 `+ W. _tvb now,tvbnow,bttvbplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 公仔箱論壇/ w* ^0 C1 H, R R
* n- N d' a8 u/ U+ i1 A1 |) S8 f
where tomatoes were grown. * ?* D9 `" A1 B4 `. 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。 7 x; r) G$ Z( l5 N' RGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。! B1 K W( j$ O, b
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 1 m4 d r! f3 A* k7 N1 v/ H7 k# H' v9 N/ i
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。+ l2 @; {- ]$ c5 a* Z9 f8 E
公仔箱論壇$ [$ ^' I. ]3 W$ o7 O* S; ~( ]9 {" g
plants.5.39.217.77:88987 f( S1 w/ y4 f: p0 v& R7 \ q+ O
5.39.217.77:88985 y+ \8 x/ y3 H. p5 h4 G. q
Stake or cage plants to keep them 公仔箱論壇) P# M4 G1 _& h) i+ {
. S5 E3 |+ B( U* 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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and : K% Q6 z; Y, Y/ U$ G% t6 H$ J
) a. U- t) O. B P% ~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 5.39.217.77:8898% S' k# v( D: l3 A
4 K4 G) h! G& I- Q. m8 Ptvb now,tvbnow,bttvbspace above the soil without any leaves. Do not use ! b: Q }% c* D* q/ _& 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。, s8 U5 @' K0 h0 e' H
overhead watering. 公仔箱論壇2 @0 \2 G- R/ v, \& T
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. % M9 C4 f1 z! K. G5.39.217.77:8898Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ' ?4 A6 m, t6 v- j $ a6 @* P. B0 I- ^1 [* B* a4 B7 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 3 d2 O6 t6 k# T. i: |tvb now,tvbnow,bttvb ) }+ e y( K" etvb now,tvbnow,bttvbwet. Keep your plants happy and healthy. Weak and stressed 8 D& F) t- T+ y( y$ S( K
, M\" T( y& O, t' W: G' O* E
plants are more susceptible to disease. 5 C1 z: I6 H t' s- |& 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。5.39.217.77:8898; L( v( {. [8 Z% r
Remove and destroy or throw away diseased leaves, both off the 5.39.217.77:8898& \$ j\" o! m5 @, L- l. F* j2 I
9 r& @8 ^/ N7 d) ctvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 3 B- Q4 W! V7 x0 S1 Y! V0 |0 X7 h" @# {公仔箱論壇 - S+ a/ P3 W9 P6 @* x+ N- Mtvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant. 6 n/ X; X( @2 L$ e! k. C/ R4 T公仔箱論壇 A+ s& ~5 K+ K3 |8 @: K4 k) xTVBNOW 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 . L/ Z+ G& j4 ` Y5 k2 J! W6 g4 @9 @0 aspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 4 F/ y! [; u$ J( v- P
* K% a; y) W& x V* K3 y, R
GreenCure. ; U# H/ l. Z2 x$ |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。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 l% |9 e. v" R0 N' F
- ?, Q" v0 z' i) yLate Blight on Tomato Plants ! j4 t8 I( Q; g! Htvb 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。* l3 X6 d! p* N! x* x
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato & w6 `" c9 z5 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。5.39.217.77:88980 Y, N: h% L- R plants in a garden. Once a tomato plant : {2 |+ f( L$ P1 x; J8 Y% E公仔箱論壇 z& k/ \; B& L# P% Xtvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, ; ^/ Q [( P; g7 y: xTVBNOW 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' _9 i# P3 ^* ^7 G* \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 blight5.39.217.77:8898' ~% o0 l- F& y k5 W# |( y
: r. [, L8 L8 |- W5.39.217.77:8898 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ; C% ~* b3 z; v% m% \2 n. r公仔箱論壇+ T6 ~& C0 d0 d7 G* {
Septoria leaf spot infections will also help prevent late blight infections.
