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 3 G8 g) F& A S5 s3 V; BTVBNOW 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。 * w' E4 X! ~9 w& c: N! E: G. \can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.tvb now,tvbnow,bttvb2 ~$ y/ }" @# O3 J% ?$ r
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How to identify Early BlightTVBNOW 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 F7 U* f$ b4 L
0 `) I- x3 D+ K7 H( LSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to % @& B6 N9 B: ]! |6 `9 L
1 C8 K$ R, G: x- j2 ftvb now,tvbnow,bttvbnewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown : V1 v, L3 _5 ]3 g( f5.39.217.77:8898 - U* E$ ~1 R% v/ l7 H* B* Ktvb now,tvbnow,bttvbin color and form concentric rings, or a tvb now,tvbnow,bttvb/ ?1 |6 ?; y3 N6 s1 t
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5.39.217.77:8898% O5 Y/ D6 W0 E/ \' z+ o
4 X" Y8 |3 m7 Lleaves may fall off. Extensive loss 4 w9 p# r4 @- V * H! d, a( `. b9 ]8 w4 r5.39.217.77:8898of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.1 [: u% T) ]7 Y5 C* v4 J
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How to identify Septoria Leaf Spot : f2 U' [. D% U) w ) u# _- z" t: E! m- {Symptoms of Septoria leaf spot also start * u! Z. ?1 o8 @0 D5.39.217.77:8898tvb now,tvbnow,bttvb0 _: ]3 |3 O8 q, {/ P/ p* z
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change # j: j r& k5 F3 u2 kTVBNOW 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* Z% p l% C( Y5.39.217.77:8898shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. : ]! e7 V* X; `" ~ @& g8 n1 W( ]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。 ; A2 c1 R# U% b5 I$ m0 q* }Small dark spots, the fruiting bodies of the fungus5.39.217.77:88984 _+ B2 Q w+ r5 J, l
tvb now,tvbnow,bttvb5 m# }\" t8 ?' W# J , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry / w5 B% s+ _6 q+ T) U6 B; t8 y' G5 N; U 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。: L, d+ d" o. ]7 \ {7 f
and dead. Stems can also become infected but * y2 T/ P8 @& o. p, i
, Q! ]* G! o! O2 V9 D/ dTVBNOW 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。infection of fruit is rare.公仔箱論壇0 ?3 q/ a1 m7 m3 D
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How to Prevent and Control Early Blight and ; k/ x# g$ A$ X( r$ V) V; y* a* p\" J0 k3 H3 ^* U$ C3 ?% Z
Septoria Leaf Spot % A. Q* k5 I5 ~) bTVBNOW 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。; n& D% v% q+ j/ h0 p0 X
Follow the 12 easy steps below to enjoy a 2 U; k3 j& H1 k! V3 BTVBNOW 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。, s7 q2 s0 w4 X* m, j8 Z
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. ( `+ c- s3 y* i- h; R0 t* x- Z( m/ m1 x. ]+ Z Weed your garden. Some weeds, 7 ? [ e& c2 {0 | h4 g/ M9 ~ 4 }* q( z1 K2 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.5.39.217.77:8898% s" f$ j! R) p* }. `* W
公仔箱論壇/ o& z, [8 n: G+ [, `& _" U Rotate crop locations. Don’t / [) T3 K3 K3 |/ |" a( D& j1 C 7 d5 z3 V# F" K9 e0 S% Iplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas " \3 i7 q! H$ t5 l. X8 S
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where tomatoes were grown. 7 @* @2 t6 r: O. Z7 E0 Z , a `$ _0 o0 p, e! F5.39.217.77:8898Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. / G( _6 I2 k: Z9 [$ l8 gCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇: {, g$ ]# F7 e$ m
& o9 z& b( R/ O$ 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。fungus from the soil to your 3 u: v, b& l: T) g. y# S/ P3 {" {+ h3 q5 c$ [9 y) Z3 `9 H- K
plants.公仔箱論壇) b9 c) o: s! ~9 f6 B/ n( M
* W$ a+ i& M$ S/ 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。Stake or cage plants to keep them . F f+ U% t: x- l t9 R+ _; Z5 [1 L/ S( n2 {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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb- R/ C' W, e; T; K9 N
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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 5.39.217.77:8898/ e1 u! m+ b$ g) X# r# K2 x
5 E7 k9 R! N# z& F) k$ ?& y$ uspace above the soil without any leaves. Do not use 5.39.217.77:88983 S8 D9 ?+ y4 r* u' _2 {
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overhead watering. 公仔箱論壇 Y$ s# y- l; G# C+ j6 j
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ' c) X4 b6 d; G, G8 j" PConsider 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0 B9 U' m# A9 V) `( i# }% f: [
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb9 u8 b# j) N# O4 ~
. S( n/ ?. z( _4 a* f$ @/ xtvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant.+ `8 C% t( `4 d0 A2 w6 c
- [' z& x) B. D0 xtvb now,tvbnow,bttvbGreenCure. 9 p( ^( c+ j- u; _2 O % u8 C( u( g% G% @2 J3 ~( c' x$ jtvb now,tvbnow,bttvb / A) _9 k; N, i; i( D% F公仔箱論壇Late Blight on Tomato PlantsTVBNOW 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* s, \! A* n ?: v |: P5 o
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 3 C: N4 a) M! }tvb now,tvbnow,bttvb " J$ I! ^9 a! n) a6 F; ~/ lplants in a garden. Once a tomato plant 2 i* p; q- q5 m( ^% G6 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。 & C7 P7 Z$ ?) h) r3 b( 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇( h- \6 Z7 `. @! W3 f* ~2 n
7 `1 c1 v. f+ t0 _! Uwater-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 ( ]1 G: h\" d2 p\" T5 W$ r 3 b. z# i# j0 W1 r8 J3 {; A can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and + X% T; z8 K+ l# S0 _; x5 ` y$ w4 R: j7 h
Septoria leaf spot infections will also help prevent late blight infections.