Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but ) F7 n* j( t: ~9 h8 {% A- z2 `
4 s/ r& a5 J( i$ A2 Ican start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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0 p0 _/ E; l4 L' V! ?: f, H% Q5.39.217.76How to identify Early Blight
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( Q0 V# q( N- R" I+ D# }6 bSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to
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: Z) y! d( \5 |5 B' Anewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb0 u ^5 Y5 ~8 g: h, p* J: `4 c1 |' N
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in color and form concentric rings, or a + q4 K6 n4 ~! c% w8 L
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇 @, d4 y8 b9 D, e; K+ U. n
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leaves may fall off. Extensive loss 4 _" j, H0 S/ K; @
! Q) h! r4 P' [4 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。of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.公仔箱論壇/ W/ H. h$ w0 \. z: n' C6 A
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6 p2 ?2 j! `3 ~4 \0 }How to identify Septoria Leaf Spot
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" U2 v$ ~& Q, A7 n1 Y& \5.39.217.76Symptoms of Septoria leaf spot also start
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& |/ {$ J7 l) uon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change ' ?2 L7 o# X- [
; T' o& q) D- K' [* Dshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center.
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Small dark spots, the fruiting bodies of the fungus
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3 e. A* @$ B\" ^8 e) J, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry tvb now,tvbnow,bttvb% l) o3 e' c/ C3 n
7 K, R: L; X/ T: a A1 jand dead. Stems can also become infected but 公仔箱論壇- R0 A8 |3 {9 b. ]9 |1 T6 Y( H* T7 O
- ?/ C8 n. B$ Z, B; j) Kinfection of fruit is rare.4 u2 D4 c( e! i) E
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1 g& R9 D+ u) G, }% n! ]* h o3 ^How to Prevent and Control Early Blight and 5 S' @* f! v/ M/ i4 G7 o
! C& { u/ V3 H7 v1 MSeptoria Leaf Spot5.39.217.76: S# j5 S* F+ I3 B! K- x9 C, R
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Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb R L' a- Q% e) f9 `2 @7 ~
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。; L4 ]. Q, `* M7 k1 |
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.公仔箱論壇0 k9 c- A: i) r9 z
% T" u% w# ^6 b9 g$ ATVBNOW 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。Weed your garden. Some weeds, 5 H( G9 J: S6 T# k
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.2 d6 c T. [! B% K) B# `3 s1 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。- Y* [* v r8 \& [4 k5 J
Rotate crop locations. Don’t
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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
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- R. _; L5 u7 R* f公仔箱論壇where tomatoes were grown.5.39.217.76' c/ D5 O r7 ~4 P& Z6 a
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.. V1 k7 Q, Q3 F' O! A
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb5 W& z |# R+ G9 f
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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。( z0 R5 R; K# V
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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。& F+ w) f! L: Z9 g
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Stake or cage plants to keep them
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6 b& D3 ?3 i, f# P: [; q6 B2 _, ^off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 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。: j2 _* _$ ^9 C" b
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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 tvb now,tvbnow,bttvb5 N3 c# r$ W4 G7 i% x9 Q
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space above the soil without any leaves. Do not use
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3 p6 b5 C0 i3 r. ]7 R5.39.217.76overhead watering. 2 f# ]" @0 ?( U9 P
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. " T/ {- B) c G$ ?
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 7 M w( Q7 o) {& c; A
* J) w1 j9 _* D* z+ e" itvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 公仔箱論壇4 o o- C2 A0 w, ^, c, i0 V/ u! h- n4 ^
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wet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.5.39.217.76; W2 R+ q' ^# p* Q! T/ Q
7 N+ O1 n% ]5 k8 E2 L; X4 F5 B- btvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the tvb now,tvbnow,bttvb6 H8 R* X1 M# k
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early : p. M+ d1 f" B( i% X0 r
$ p/ J% U' G1 Y8 p6 d6 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。enough. If a plant is heavily infected
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# F4 ^- ^9 B/ Y- L, f+ ftvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 8 B# B( \ K: l/ W2 q
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to remove diseased leaves should be disinfected before being used on a different plant.. S3 Y, D2 j( h/ z
' B3 `; H3 U- A* U o5 ]4 jTVBNOW 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
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.
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* U1 U4 E3 {3 htvb now,tvbnow,bttvbLate Blight on Tomato Plantstvb now,tvbnow,bttvb& u! t) I5 r t2 B8 V
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato
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plants in a garden. Once a tomato plant
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, d1 C: R3 M. W5 M! H0 B8 ~9 L6 z- N公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, $ R& D2 e" X; N+ Q* H% M
8 J1 D: x) w% f* {6 V) _5 o, m3 GTVBNOW 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。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- ~) d5 j i7 p6 [) q
M2 x4 j% s; j d8 b' |- J can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
( g9 ^6 W2 `' j: 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。
4 ^5 \8 l$ L9 @6 b' C' `# \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。Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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