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 8 d% V* A3 Z1 ]( |* e# o5.39.217.77:8898- E- H$ D* G: e* |+ W7 C
can start at any time. Infections can occur anywhere and are most severe in wet and humid areas.4 f. K; S9 O% E1 h6 ~8 z' J
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How to identify Early Blight- c7 E; h3 ? T" a t
+ _4 Z. P0 M, G# I$ Q; \9 B4 }) ~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。Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 4 b- Z& Y4 ?! f# j % G9 ~. j+ J+ e8 C. c) o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 ! C3 |7 I- r$ 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。 + H) c9 w3 z0 ]! Sin color and form concentric rings, or a / U2 i% i! ~3 M. g& O- J( w) n) ?. r
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 8 W) `, x, _/ ~. ]9 {8 G- 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。* g! D. H) q& Z- G- ~) S7 X leaves may fall off. Extensive loss " p$ Q$ t6 z& x5.39.217.77:8898 ) E+ ]' h# l1 N+ O" D3 r2 y! Kof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ! G1 H& I1 l2 t4 T5.39.217.77:8898/ f6 i" y/ s; p/ c! W2 H7 ^
# R9 j: ~( A& O7 z5.39.217.77:8898How to identify Septoria Leaf Spot 8 Y4 ~" g C) M# dtvb now,tvbnow,bttvb1 T; e9 E! e# M
Symptoms of Septoria leaf spot also start 公仔箱論壇. x6 ?& [3 ~3 R, c
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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 " `: o7 g1 k# z* k5.39.217.77:8898, \: n2 q9 j4 ]) J) ?5 I9 k
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:88981 a. }- }& `( G/ Y( V
' q+ ?6 M$ a( [. b1 G" F5 W' S 4 l3 J. _8 r3 SHow to Prevent and Control Early Blight and 1 f' D6 v2 T0 D. I5 @; M5.39.217.77:8898 5 k' u# ^- d2 D+ ]- N5.39.217.77:8898Septoria Leaf Spot5.39.217.77:88988 |, @* [; Z% F H. K( b" B
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Follow the 12 easy steps below to enjoy a & d$ s' j2 Z% {, e( `9 _5 BTVBNOW 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# n5 \4 v2 j5 c. I0 C( K& elong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. # X$ F, U( C+ }) ]& l7 y: |1 J5.39.217.77:8898 3 K% {% [- s( r5 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。Weed your garden. Some weeds, + z( y' J4 G- I/ _, F; w; @- w3 }! ]. q$ i5 I# Q
like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. , y. D" \0 [* H" I2 x% | # k& ~) X* |1 X4 y: ]% gTVBNOW 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。Rotate crop locations. Don’t 7 m8 v d+ F1 P: R7 o$ |- K9 V/ H3 c- a; D* T
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas tvb now,tvbnow,bttvb" j7 w: o" W; o; t% L
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 c! @! i, @8 t# S/ q6 h# {
where tomatoes were grown. 0 x) B3 W3 C! ~& I2 h , \+ i6 n( @) c% [ p9 |Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.5.39.217.77:8898" Y! B: H; B# [% S2 J
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of : q8 J7 `( A- M( s r, Z3 e5.39.217.77:8898 % }- v* h: J4 W8 x M" z5 [! t; b% Dfungus from the soil to your 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。. X2 i: {, i" S) X0 v
, z& C# `0 `6 O/ ^3 Y, b$ ~' X+ Jplants.. ?& _, n. y# f/ d& o
* o# P+ C5 D k' B; I* h. f) Rtvb now,tvbnow,bttvbStake or cage plants to keep them 2 A: W1 [3 B1 k3 ^/ p. C( Y* y
( w8 B& o5 e* S3 E6 i3 j5 Itvb now,tvbnow,bttvboff the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and tvb now,tvbnow,bttvb3 J- a5 B) }2 A e7 F T
& N# W, b9 p! T" Z1 l) F公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 5.39.217.77:8898/ x8 W! h4 }) J! U" z, U+ z
7 a# m4 C5 \$ ~. [1 s0 A5.39.217.77:8898space above the soil without any leaves. Do not use * V0 a& ~; x+ k' r- D5.39.217.77:88985.39.217.77:8898+ n( \) V3 x% L% W' t! H: z- }
overhead watering. ) @' o" Q( ~! g% _) }tvb now,tvbnow,bttvbAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 5.39.217.77:8898$ Q( Y+ C" A. {
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 2 j V4 n& U. P, I6 m, N公仔箱論壇tvb now,tvbnow,bttvb" ?/ R" I7 b v( c' g$ z
fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are % X/ n( N1 k# w+ n$ I+ {4 s- f
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wet. Keep your plants happy and healthy. Weak and stressed tvb now,tvbnow,bttvb% Y, J# f8 \& `6 E* M% ^
3 B% m: {* x7 ^2 lplants are more susceptible to disease. 7 k! r2 ~+ S( A& n W( o! \& L2 o5 b% W9 c, f- d% S7 [4 ~
Remove and destroy or throw away diseased leaves, both off the 公仔箱論壇( @! t8 F5 |\" [. t
1 H# U. H0 \7 @# ^- T2 p, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 0 \: ?9 I0 ?. ~3 T! |tvb now,tvbnow,bttvb! q6 s2 l2 m# k3 ]- O% P9 M
to remove diseased leaves should be disinfected before being used on a different plant., Z6 A3 M3 ^4 b- u- d8 F( q
% ]% o5 v6 ~+ W9 o5 l! \tvb now,tvbnow,bttvbLate Blight on Tomato Plants . x0 A0 P: l$ m% @- K; `2 D3 ^/ Q3 E- P: c/ c
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。3 S2 y% G8 z5 b' O2 I
) B1 w- i0 O( w& STVBNOW 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 in a garden. Once a tomato plant 7 @% H6 D+ t( k0 _8 P- b% 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。 3 E# Y c' Z; aTVBNOW 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, 公仔箱論壇8 R5 h# W; y" M n
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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 4 i- }8 w8 T7 i/ GTVBNOW 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% ?. y. @\" R can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and . J' b! b, Z% `( E公仔箱論壇 9 K! W" B& @6 \6 f" RSeptoria leaf spot infections will also help prevent late blight infections.
