標題: [生活小百科] Early Blight and Septoria Leaf Spot on Tomato Plants [打印本頁] 作者: 6t6t 時間: 2019-4-13 05:03 PM 標題: Early Blight and Septoria Leaf Spot on Tomato Plants
Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but 6 a: k$ j/ H' J2 j* `* a
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.5.39.217.77:8898: S3 b. T! e9 y4 ^0 R! E
- v4 l" t6 R1 k8 u公仔箱論壇 6 }% J1 ~, }* {9 I- m2 Y- Y7 xHow to identify Early Blight ) |8 l2 U0 U0 I1 C# [5.39.217.77:8898 9 }( B. r9 c; A. g8 s; t% atvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ! j" A6 `, t) G8 e7 ]0 P- |
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newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown ! R9 v3 ]% ?& s+ h! U2 \
& M: u( u0 m: s! d2 nTVBNOW 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。in color and form concentric rings, or a 7 d) z4 S1 q4 x+ k
5 N, z8 }1 }2 _; j/ Y% @, ^bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 公仔箱論壇$ f# j' F; t3 S: J6 W$ d0 ~1 X
tvb now,tvbnow,bttvb3 h+ R" K7 _8 V leaves may fall off. Extensive loss + Y) m' u" Q8 V5 C/ ]0 xtvb now,tvbnow,bttvb; M$ Q; I* K! T5 S+ u0 c
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. * d# u7 d F8 K5 w, | i/ ?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。6 U3 y) x) ?. `* s4 c& {0 k
0 b& V4 H6 i P& @on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 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。 o5 {' n- J7 ]- f- {7 V( E2 ?# S
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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. , a6 e% M6 S+ p+ y7 k7 itvb now,tvbnow,bttvb8 W; |# h. I# e+ z( h7 K! k; \
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。4 k6 _5 y3 J- g D5 }8 J$ N! p g
0 z; ]+ Q$ c6 K0 f# Y4 Q6 D' Etvb now,tvbnow,bttvblike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 8 y/ P) x& Q9 U. E公仔箱論壇- [* u7 o3 ~$ M Rotate crop locations. Don’t 5.39.217.77:88981 s8 X/ s$ R4 [1 ?3 A
]; ~: |) d/ J) u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 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。! X6 q. v9 A* p# E
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where tomatoes were grown.% `7 X2 ]7 K3 B8 P
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. : f& ?+ [2 c" I& Q' V) \. uCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ; r! T' F. D1 Y( {0 a9 l! T7 R% _公仔箱論壇tvb now,tvbnow,bttvb$ {3 J! d( F P
fungus from the soil to your ) A+ }/ o) h7 v% R7 s. r# @
- v- U6 n; f1 I3 c9 ^+ o& X0 Gplants.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。% r' n3 h1 e6 Y; F
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 ]- }8 U! E4 _. h# i; X
Stake or cage plants to keep them 公仔箱論壇# u; i8 `: Q' L9 G' r$ e. B5 m1 v
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/ [! H T; q" X8 [$ ?
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ! I# o( R+ R, {: Z# L6 T5.39.217.77:88981 t0 D( f! z" d3 T* ? H
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。) u% U7 U4 m2 P, E* r; `, B- c
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space above the soil without any leaves. Do not use 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。- o\" j, i$ G0 _6 V6 k& V) t @
公仔箱論壇, c1 j; {5 t; {6 e
overhead watering. 公仔箱論壇# g3 {0 y# `8 @3 e
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 公仔箱論壇& p% V! u" _/ @) {4 m5 I7 l7 V
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 % a- Z' N* Z2 L) ` ~% X c2 Y2 m6 E% Z$ h8 P2 D
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are ( ]7 S7 o$ B% `0 ` 3 U, v2 y. S$ W) |; b9 N/ e5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed 6 `. Z; M R& ^\" S: F! z0 G\" p公仔箱論壇 - Y. J% l; t, v/ l( E4 G$ y9 |% ^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。plants are more susceptible to disease.$ Q- G/ F1 r, F7 P" C% s- ^4 l% E
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Remove and destroy or throw away diseased leaves, both off the + @7 [: `9 G X) F2 u7 Wtvb now,tvbnow,bttvb! a. A$ N, X& ?- z7 D
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early tvb now,tvbnow,bttvb9 T& b, g) W) A% Z
tvb now,tvbnow,bttvb5 ^$ T% p* ?# i7 s( L
enough. If a plant is heavily infected5.39.217.77:8898- C9 z3 a2 t4 {% `, J4 U }! 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。9 ^) X- E k' ? , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used $ n0 K" R5 v2 U( s! B% [% }3 F公仔箱論壇tvb now,tvbnow,bttvb/ l b$ f, y0 m6 W- `$ ?
to remove diseased leaves should be disinfected before being used on a different plant.+ x# E" a+ z: a/ d. C* N6 t. V
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。2 a+ b$ s; \6 V7 E% G) i. l; Q
Spray plants to prevent and control the ' l+ N* Z7 @8 _4 I3 E ; c8 @% f6 c* B: i1 }tvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try ; L, ]0 d, L4 Q8 _- l# n9 z! M
GreenCure.tvb now,tvbnow,bttvb0 F. ^* n I+ {8 n
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Late Blight on Tomato PlantsTVBNOW 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 k6 o* ^: O7 Y5 x& i
. ]. i5 Y8 y' Q: D% g 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato $ V" O4 A2 ~# I9 F: Y+ J# ktvb now,tvbnow,bttvbtvb now,tvbnow,bttvb4 g* M; _3 F4 t4 s9 Z7 Y plants in a garden. Once a tomato plant 1 ]& I, [! z/ C! ^+ J, s3 U6 r. MTVBNOW 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。tvb now,tvbnow,bttvb( ?1 y& { T, ~ G7 l
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 8 x# b+ b( D! f9 A ) R& n! L0 v; D8 Q, w) W- f6 P5.39.217.77:8898water-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 blightTVBNOW 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# g& s7 Q- g$ z8 h
公仔箱論壇- V8 U# h! w: e3 z4 O' v0 } can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb. E1 ?9 _1 Y1 L# r6 t/ {
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。( |% X9 H$ d. C5 s0 L& l' w
Septoria leaf spot infections will also help prevent late blight infections.
