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。" r7 [) L* y. M
4 b( s) l5 w' p6 _5 @can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.
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How to identify Early Blight
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0 S$ E' @) i. H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
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0 y/ Q# v- z3 L8 @! H5.39.217.76newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown 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。5 g& N" S' `' g! B# O
/ s8 h8 W/ u% ]0 s8 N' Q" S" `5.39.217.76in color and form concentric rings, or a tvb now,tvbnow,bttvb8 {& f1 u, }\" d3 y' @3 y7 A% h4 ]
3 k' Q\" ^' W; @+ Cbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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 e$ f8 u2 V) N8 P
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leaves may fall off. Extensive loss
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of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.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 v# r. C. b3 E
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( g. d+ }# H& \. o4 btvb now,tvbnow,bttvbHow to identify Septoria Leaf Spot5 O4 H4 o4 P7 A& _
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Symptoms of Septoria leaf spot also start 5.39.217.76& T }( `0 ]* {0 Q% Q7 j
* i, Y! y$ ?3 V, Btvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change
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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.
; S6 a4 y6 [) 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。
; q/ n% p- H' J) }+ ]) B zTVBNOW 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。Small dark spots, the fruiting bodies of the fungusTVBNOW 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 a2 p. x+ v {) r
2 Y5 @4 E% Q- y) B- W/ `, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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X' D7 Q) z) l5 X! W/ Cand dead. Stems can also become infected but , R0 y\" t# |6 Z) ?8 Y
7 U1 w0 F# |8 u) ?infection of fruit is rare.. C7 m( _ M& Z& |2 _/ D
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5 w( Y6 q/ w2 u) _) C6 ?+ F" o2 C5.39.217.76How to Prevent and Control Early Blight and - f$ k) g3 u( V! x0 [
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Follow the 12 easy steps below to enjoy a + b: n1 Q- y, y( p) N
9 i; U. }+ D/ l! j# {9 |7 Itvb now,tvbnow,bttvblong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.) h, r4 A" {/ ^) @- m8 O' W+ w
# ?- M% q5 ?6 \# b) @5.39.217.76Weed your garden. Some weeds, 公仔箱論壇: g" |0 f% \- |
8 G1 l2 c- o$ Q# B( e1 r8 d. Llike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.tvb now,tvbnow,bttvb1 _$ [* i6 R: n. U7 j2 T
" _' v7 R1 [9 o5 v! u1 u6 ltvb now,tvbnow,bttvbRotate crop locations. Don’t tvb now,tvbnow,bttvb: Y! t1 g1 ^$ F
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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 6 z& R v0 i( s# m# Z
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where tomatoes were grown.
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
$ ~5 ]$ {: V) }+ l5 d( D9 U7 N2 R7 d# ECover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of - f" W2 j, f8 ]3 n
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fungus from the soil to your 公仔箱論壇$ t! f' [! G1 M
1 \8 ]: O Q9 Y! D. T2 w6 dtvb now,tvbnow,bttvbplants.tvb now,tvbnow,bttvb4 g' Y' d6 P9 M- X- w1 C) I
3 {1 F- u& G! X2 q& otvb now,tvbnow,bttvbStake or cage plants to keep them 8 J3 B$ I2 S& @- S
( m, P7 S* w9 O" a3 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。off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and
6 \* J* b) |# X6 [tvb now,tvbnow,bttvb5.39.217.76' M) V; }3 k; f7 M" E6 a0 ~& ^9 m
cages. 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。 o8 Y- X3 p4 C
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space above the soil without any leaves. Do not use
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overhead watering. 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。/ c1 C: z1 Q: i0 P* Z& Q
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
6 H' b# F8 G. n1 e' vConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow
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: @/ V& x6 a8 h/ ?) Wfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are . F Q3 U) q0 I1 C/ H) a; H7 n
0 n+ m# g; j/ l% x) K! D- jwet. Keep your plants happy and healthy. Weak and stressed
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plants are more susceptible to disease.
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Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇4 f! F9 r0 C1 `) Y/ r; y& U. ~
* ~. G8 P* j6 g; ~7 y; Jplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early * a& q- z" l9 }" I' ]9 C# i
# a1 E6 s0 Z: i4 ]5 venough. If a plant is heavily infected
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5 C4 z8 `- ^; w% I% R& `3 J, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇4 h: i7 v; |$ z) o
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* b$ p7 m$ d0 T% Z" N4 n# B( b
to remove diseased leaves should be disinfected before being used on a different plant.tvb now,tvbnow,bttvb. u8 l: e+ I9 X4 ]4 D+ M* t% q
' j, C B& { kSpray plants to prevent and control the tvb now,tvbnow,bttvb1 r2 ?# f3 R/ ^# x3 E
$ c# S+ b% L2 }% b2 Wtvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
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GreenCure.
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Late Blight on Tomato Plants) |9 Y) {2 O' Y' b1 s1 q N. `
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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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1 W0 V, b0 F) A( B T- r: h! lis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5.39.217.76, n& M9 ^4 c J+ L: N4 I$ U$ d& \) }
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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; S) O2 F+ S\" Y3 _) J' F2 M
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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 公仔箱論壇! ^/ i0 H; I) b8 w
g& V& M. C# O$ s, Z- N9 q公仔箱論壇Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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