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。. f6 @: J. f- H2 D9 ?# A5 _ ~& X
" X' d9 n! ]: Z) O0 s# O5.39.217.76can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.762 p4 q- v) T: L
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/ ]6 A* a4 G3 f5.39.217.76How to identify Early Blight8 M) D1 c/ T5 G/ ?) T: n5 S
9 k& p/ r! l4 h, Q P6 I( f' H6 Ftvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 公仔箱論壇3 u" r% k$ f, P1 [. w- d: |9 S
; g% ]; N' y6 q0 ]6 ]6 l# Onewer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown
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8 q$ A2 q) @+ C* C/ r% k# U& E! qin color and form concentric rings, or a 5.39.217.76, O3 i! s/ i2 x. ~2 d
' Q6 [7 k0 h9 _& R5 a\" e: ebullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇8 A% V4 z7 g8 w. y
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leaves may fall off. Extensive loss
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4 y3 t4 U+ a" i7 v* h; `- E* Xtvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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: F1 P/ E& M2 G. L, OHow to identify 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。; S" o* M( C$ g6 q9 _: k$ J
! n4 I+ {6 j5 n: a/ e8 |Symptoms of Septoria leaf spot also start 公仔箱論壇8 S; [" P. V$ O' [! G
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on 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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2 M8 G: f: R/ |shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. $ o- I$ G* C3 h+ \) H
, Q V: c F# @9 m# }# W# Ntvb now,tvbnow,bttvbSmall dark spots, the fruiting bodies of the fungus
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& Y5 _+ q4 Z* F+ U5.39.217.76, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry
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and dead. Stems can also become infected but 5.39.217.76% X) P# F- M, J6 S
6 g) d! {0 I3 i\" iinfection of fruit is rare.
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8 g$ e1 { o& V4 v0 }4 k: V! o/ m/ z5.39.217.76How to Prevent and Control Early Blight and 公仔箱論壇* t8 F/ L f8 i9 O( T& w- H
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Septoria Leaf Spot
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Follow the 12 easy steps below to enjoy a
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long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes./ _& E* b: j" ^ r9 P0 ?* S- Z' q
; M* Z. v! \2 R+ R, RWeed your garden. Some weeds, 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。( B" R: I2 o: ] X
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato 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。" M' U- @3 U/ W! a) M! G9 q/ b6 W/ R/ j
( L4 K5 f# i+ Q8 G: F' h8 `Rotate crop locations. Don’t 9 I W7 n5 W2 d; E( ^9 x
9 H. g; A( E2 L: q2 i6 |) G( x, ~. R3 qplant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas # K. p+ P2 R, F6 e: |
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where tomatoes were grown.公仔箱論壇. s* e* |1 }& t' J5 A- v
9 [) a5 B; e; n- J3 qGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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。- A, Q4 g' k9 I; u, h
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 5.39.217.76" f" ~8 c9 s2 d! w3 D
$ C/ f) N+ G4 U9 x1 I6 ~fungus from the soil to your 公仔箱論壇4 v1 C- x& [% W2 ]
9 E+ h3 b- m, z5 L" I) h/ Ctvb now,tvbnow,bttvbplants.
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/ ]: Z7 T) [& q; f# b6 SStake or cage plants to keep them 1 p) I% M% n! i; n- x1 [" l" e
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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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7 B; K2 N+ p5 ^# L" m& g3 `cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of % Y4 o. P+ g+ l3 E' L
tvb now,tvbnow,bttvb( H+ n/ v8 ]9 \ ]# }7 K
space above the soil without any leaves. Do not use * M U\" ]$ k( l. i( t
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overhead watering. tvb now,tvbnow,bttvb n) z8 g& R4 Y4 I8 W
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.763 J/ ^( j7 p! _( [
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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, s: D$ E' V' m. G4 {公仔箱論壇fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are 5.39.217.76 h, J& V K; a0 G& `* r
8 e4 Z, m. T' d' [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。wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇6 V$ E6 H) T1 ^4 L
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plants are more susceptible to disease.
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; c& j% j/ b7 W. Z& 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。Remove and destroy or throw away diseased leaves, both off the $ I* z/ A0 V! A3 g& p8 j
$ q5 X, B& |( s& c5.39.217.76plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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3 g V5 p1 F$ X( v H {) aenough. If a plant is heavily infected5.39.217.76( I; Z4 D- g) d8 Q
tvb now,tvbnow,bttvb9 Q9 F\" F: g& o; r3 S! q: o
, 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% W; T# W y" v
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to remove diseased leaves should be disinfected before being used on a different plant.
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Spray plants to prevent and control the
6 N\" I7 C6 y2 h5 c公仔箱論壇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。) t4 N* }4 d1 T\" C7 w
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 5.39.217.76: y) s7 |9 w9 o3 _3 u/ Q' x0 Y% R
3 t0 ~2 \. {& dtvb now,tvbnow,bttvbGreenCure.
3 _+ Y( T. @. |) f3 | 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。
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Late Blight on Tomato Plants" [7 ^$ Z7 P5 a7 c
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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 X. L( w+ F) g
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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# ^1 {2 @1 K1 E- r! G! E. E
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。/ G& J* i" r' 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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can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 3 E9 C3 \) G3 A6 _! x# _6 D" x
: h8 P }" @; ^/ r; F U' k6 Y5.39.217.76Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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