Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but
% T k0 Q0 G- i公仔箱論壇
/ ^& ?" b' L" j5 I: B4 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。can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.- _( J% b5 H. b( c7 M9 c
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* ]1 w' l8 G, o; }; p2 E8 a" A公仔箱論壇How to identify Early Blight' }- M8 I- y' J/ }. `
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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 $ S/ u# s2 y8 n7 O. P$ q
2 g( N+ I/ T C3 g公仔箱論壇newer 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; ~6 x+ X$ s0 d# q
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in color and form concentric rings, or a
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bullseye 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。1 d" `( e- K0 q8 \7 J
1 h/ @! K: c$ g6 Utvb now,tvbnow,bttvbleaves may fall off. Extensive loss : [" ]* z1 @1 _ g7 \
w" g( N& u4 u6 @/ Kof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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How to identify Septoria Leaf Spot公仔箱論壇2 c. @' H5 ]% c3 E' g, l1 k) y
! J6 e' U8 J$ H5 Ftvb now,tvbnow,bttvbSymptoms of Septoria leaf spot also start
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( [5 v( H, D2 L& p, F: @; ]5.39.217.77:8898on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change % F5 H; ?2 j& t- z! A+ s
4 v+ N- v m* yshape 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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8 d8 J- F' v; i- L' Q1 y; P& P3 r5.39.217.77:8898Small 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。- e; R3 ]) h7 N% k, b ?* A2 S
1 j& H0 O) ^: N2 [7 G: N9 |3 @公仔箱論壇, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry tvb now,tvbnow,bttvb' |$ U: j- A5 i0 p
P; d, `% e) g, m9 p2 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。and dead. Stems can also become infected but
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infection of fruit is rare.
- k6 [$ t& a9 |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。
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4 l4 g# n( Q* s1 a5.39.217.77:8898How to Prevent and Control Early Blight and
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: |$ ]3 u, m2 @% _tvb now,tvbnow,bttvbSeptoria Leaf Spot
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# S; \2 {# W% k0 t, C5.39.217.77:8898Follow the 12 easy steps below to enjoy a tvb now,tvbnow,bttvb$ W6 R\" o! ?; ~ L* h
tvb now,tvbnow,bttvb. J! Y! g. H. V5 @4 q
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.tvb now,tvbnow,bttvb& r3 q1 j0 |* R" z+ O2 P. T% ]
' Z: g: z7 }2 ^ pWeed your garden. Some weeds,
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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: s8 R+ x$ j+ ~9 j/ o$ W8 rRotate crop locations. Don’t 公仔箱論壇, Q' z! t9 i4 u2 d1 a
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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 公仔箱論壇+ N# g! _6 I3 K# M
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where tomatoes were grown.公仔箱論壇" A& o/ e D7 c) w" t S
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.
+ Z) c* G7 Q& E$ ntvb now,tvbnow,bttvbCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.77:88984 I. W' R6 U% O6 O( E
$ p, W" q2 ?/ _/ ]; D5.39.217.77:8898fungus from the soil to your 5.39.217.77:8898! T, j# [" q- e% _" F
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plants.% l! w5 C. T3 H7 R
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Stake or cage plants to keep them tvb now,tvbnow,bttvb% x: S3 }6 b: i6 A
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off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 公仔箱論壇 o; x O9 f4 |7 S) \
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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,bttvb! i m, L* S0 G4 k# T+ 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。# {! v4 E0 \7 s+ t6 R, r
space above the soil without any leaves. Do not use
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, n2 C1 V9 F4 r( p+ i p- v' C6 poverhead watering. 2 w+ n" H5 Z# b7 E' ?' Q: f
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants.
# q) _9 n& P7 f% p: 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。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
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: \$ N. O" W& n5 J) Y1 c/ Stvb 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; |7 ~5 u& |9 E! B6 t, |: K
, ?/ X1 O. v0 ?wet. 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 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。- w2 i' D! _2 U: z$ X% K. y
9 L! M u5 [# {; u) a5.39.217.77:8898plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ( Q7 Q' ]% O; U
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enough. If a plant is heavily infected9 s( }2 _5 e6 {1 B5 B+ g
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, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
5 s J& ]0 r' K+ i' h( f* ^( J, Etvb now,tvbnow,bttvb5.39.217.77:8898; y: }; l3 O3 G; f( [
to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇: A1 x+ _& R, H3 W g% d
- s) R0 t( D& c+ b2 ^# i5.39.217.77:8898Spray plants to prevent and control the
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. l R1 { m: y+ L7 g5.39.217.77:8898spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ( i6 ]4 c! a9 T
8 c# {' ]" Q0 }0 G$ ]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。GreenCure.
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2 {# _3 T0 m! B7 Y公仔箱論壇
0 k7 k7 ]7 I. C! I0 \Late Blight on Tomato Plants5.39.217.77:88981 K/ b% `( c- q m6 E
& l) s Z1 e% v! 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato ! ~- e) }6 D9 c+ p3 M9 a% G! u
" N! f/ L" E" k" X, ~; btvb now,tvbnow,bttvbplants in a garden. Once a tomato plant
2 y% p+ s& s, H2 Z, C7 j1 utvb now,tvbnow,bttvb
: C! b. x4 d& 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。is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
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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
9 E4 \8 P2 A ^% {9 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。
/ c; O* |6 I, P4 y+ \$ ]. ? can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 3 G# g* y/ | E7 o
0 _6 H/ V* |$ U, \1 M7 e; X2 QSeptoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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