Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 公仔箱論壇) `' W* @, X' J8 K* ^. h/ a' R6 S
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.76, \% e9 {) L/ n: s3 u
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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。) K, f& k6 \+ q' B+ H
How to identify Early Blight5.39.217.76. l' p0 G/ [0 ?0 M2 q/ a* a, V
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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
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" x2 e. y) L8 p7 R9 s( c0 h+ {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
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' v# `1 y4 v7 V, z- H% Otvb now,tvbnow,bttvbin color and form concentric rings, or a 7 ~; T- X' r- b5 k0 J
/ o: c7 ~3 v6 V: F) T& kbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow,
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leaves may fall off. Extensive loss 公仔箱論壇; I& f+ U3 E! t# r
+ b$ O3 T1 z- n( a公仔箱論壇of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.8 X: ?" t8 ~' a: m
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How to identify Septoria Leaf Spot公仔箱論壇, Z+ }' Q+ g( t5 g: N. q8 ?. a
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Symptoms of Septoria leaf spot also start
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% y$ K, w/ x+ ?on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change , k4 A/ F" s1 P/ B3 G
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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. 5.39.217.76# l3 \( X7 u$ t7 D1 ?" \$ B5 g
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Small dark spots, the fruiting bodies of the fungus. c\" U/ T9 X' ]: }- g9 h+ ~
6 }3 t3 d- U; q. G. X5.39.217.76, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5.39.217.76" C# I# n7 P- ]: M; S/ h; R, x3 N
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and dead. Stems can also become infected but 5.39.217.761 K( [8 x; b, n O! s B7 c
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infection of fruit is rare.tvb now,tvbnow,bttvb; P- Y6 N7 ~5 y+ Z
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How to Prevent and Control Early Blight 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。- w% A- V. p5 \2 n; o& t& K5 M
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Septoria Leaf SpotTVBNOW 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 j+ l6 [* |( G N8 a( U
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Follow the 12 easy steps below to enjoy a * k* B6 {1 W$ d! |7 R
6 w8 L K+ ]( o- e% @tvb now,tvbnow,bttvblong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.公仔箱論壇( f' ~0 n" d! [: P: H" M! B- O; b, x
% \+ |( y3 E. [. NWeed your garden. Some weeds,
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& v0 Y6 H/ F( H9 }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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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Rotate crop locations. Don’t $ c- i3 j' q8 u( C
2 X, D' X+ h F9 a" f* g' B公仔箱論壇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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0 J& N. F% K9 E' ~9 htvb now,tvbnow,bttvbwhere tomatoes were grown.tvb now,tvbnow,bttvb+ X! {, H- D% v3 h
3 J& k0 K$ G' q7 HGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.公仔箱論壇$ a: P7 ] i$ s" |5 }: F
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 公仔箱論壇' T( ~+ [0 N% ~! K7 o! T6 V
( V' c% f* k( v2 y# j8 `* p5.39.217.76fungus from the soil to your 8 W8 }$ u) u* r* \, N/ z
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plants.
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! W5 o. y3 U2 r5 TTVBNOW 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 . G, e. }* ^. Q9 S0 H# ~
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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
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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
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space above the soil without any leaves. Do not use tvb now,tvbnow,bttvb& M' }' u4 `: K
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overhead watering. 公仔箱論壇8 I: `- `1 m; R6 ~- f
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. tvb now,tvbnow,bttvb, j" |3 O* k2 U4 ]
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 公仔箱論壇7 [8 X: O9 {" q
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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,bttvb* T x" N }5 |5 V# `
# f5 L' g% S0 F/ Y% v+ ?wet. Keep your plants happy and healthy. Weak and stressed
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. s2 A4 B; ]6 P7 O( q7 b) g4 s3 i5.39.217.76plants are more susceptible to disease.+ X& z% l8 j* @$ e3 E: N8 Z
4 `" \5 [9 y" L, h" H3 l) O' ltvb now,tvbnow,bttvbRemove and destroy or throw away diseased leaves, both off the
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3 L8 k9 d8 a. {3 }9 O# |& S- J5.39.217.76plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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enough. If a plant is heavily infected
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% _ d+ s8 r. k/ k, _( `$ ~tvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used tvb now,tvbnow,bttvb) C( Z2 h9 E" ]/ l5 B. n+ q8 J
* q8 f- Y' c- Y* P公仔箱論壇to remove diseased leaves should be disinfected before being used on a different plant.5.39.217.767 V+ `. h: }0 ^) x2 B, Q" X
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Spray plants to prevent and control 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。. [, T9 k. n. q3 |; b. W
$ v- Q+ z/ Z2 S7 |$ Pspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 公仔箱論壇. C( i" h- |1 R
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, I& ?# |4 `& g: u* H! ^/ Gtvb now,tvbnow,bttvbLate Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato , v) K8 d& I& `$ ]
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plants in a garden. Once a tomato plant
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' E; V0 M% m* {9 ptvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small,
; h8 @7 u8 o1 V9 Z; }5 utvb 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。7 V( q9 t" G# B* i
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
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. [$ A) A) |5 k% o( ^( X\" a1 u can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb" V' D% c6 D7 |6 d* U# s
$ z1 g& I3 G5 A4 \5.39.217.76Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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