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 & t4 ~1 L9 r v4 s. G* F
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can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. 0 N1 o* k1 w; w! c# {& ~1 P" s; T- Ctvb now,tvbnow,bttvb " t% J3 e% K' M; ]" [" 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# Z( n8 D0 y! X& x; E0 V
How to identify Early Blight! h) j* R+ K2 ~& K8 d) t. L
6 ~. [$ x: V* c* jSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ' w# N t5 N `+ i9 T. ?8 d6 D5.39.217.77公仔箱論壇& t0 m" D9 q; c8 x- q# F* {4 z
newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown tvb now,tvbnow,bttvb- y. ]/ O0 J2 |+ O- B5 m
- Q: s- {2 ~! E: rTVBNOW 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 8 W7 b1 _4 R& I1 g/ e; W5 x7 G3 V7 h9 c+ S3 g# d+ A
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, ' i; o% o* y; R+ @' j- _& S& S5 Z7 w+ ]* I leaves may fall off. Extensive loss ! `6 G% E" U( g
% P$ h1 _( \5 O! O& eof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.tvb now,tvbnow,bttvb2 n2 ^. k9 u7 ~; l( v5 @
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/ Y0 ^0 B/ B; [9 D x公仔箱論壇How to identify Septoria Leaf Spot公仔箱論壇 m$ ?# `/ Q f, J7 ]/ G+ k
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Symptoms of Septoria leaf spot also start ( U, U0 N8 u* c ' P' s6 @1 b/ N: C" btvb now,tvbnow,bttvbon the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change . y, ?& e- S& ]. q2 x- l
7 J8 {0 I9 z4 q; w2 [3 fTVBNOW 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。shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 公仔箱論壇% I( b( A4 |+ B* e6 V# Y
# }- Y$ I4 v M: ^: a公仔箱論壇Follow the 12 easy steps below to enjoy a 6 [* c7 g* j1 s$ g; p3 utvb now,tvbnow,bttvb. z# r4 C6 T1 s+ P
long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. . N4 i' K% h$ r, x) e$ O/ I公仔箱論壇, K) N! B( |3 K' N: d3 @# s: D/ P Weed your garden. Some weeds, ! |' d$ k. {6 G" z " c3 s; I1 G' W; M; l" o7 n5.39.217.77like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. ( X3 d$ h1 X" x3 P7 { 0 Q {# `; Z0 M' K公仔箱論壇Rotate crop locations. Don’t : G2 ?) Z- j! s+ O' E! O yTVBNOW 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。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) n5 F2 Z4 K( J0 ^
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas & D3 t; a% ^/ N* D4 @; d公仔箱論壇 3 D# l* [6 O7 z; w公仔箱論壇where tomatoes were grown. $ S e- r U7 y- l4 V4 `! jTVBNOW 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 b$ \: a0 g0 ~/ E
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. $ F& Q+ B7 g# k0 w0 f9 K5.39.217.77Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 4 b/ C5 j" L3 X- V/ ~5.39.217.77 * @: ^$ x, ~. I 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。fungus from the soil to your ; W. F" V% J. f- T2 p公仔箱論壇 2 y0 e( j+ m3 w7 H& w8 v6 b+ z5.39.217.77plants. & w) n6 D+ w4 I9 v" ^; ~5.39.217.77 5 n0 L, ^& T$ |Stake or cage plants to keep them , `4 l) z* ]5 C, @9 I( N
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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 5 d* k6 g( ?! v- o% n, C1 N, j' j! f
& J+ }7 V1 u* W4 w! O# L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& P) j4 K R! F! z# W6 y( O- F
0 g5 r- k0 Y1 ] ?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。space above the soil without any leaves. Do not use 9 h6 E, l2 V0 x. i; y9 s6 U1 B+ 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。: O2 \: U# q+ I: X
overhead watering. 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。; L0 [, ]9 o+ L0 \7 A6 L% i1 A
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your 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。: B: z, ]$ ~; p* ^" a8 q
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 ) u& H" I2 A/ Y9 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。 5 l& I3 |* f' R( D+ utvb now,tvbnow,bttvbfungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are ( [& K! _! o$ }7 F8 M$ u8 @, Z) G# J; ^: @, Z. J) G( }
wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇\" M$ P9 K5 a3 ~4 S
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plants are more susceptible to disease.tvb now,tvbnow,bttvb) B4 ?/ c& Y! O0 D, X& p S
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Remove and destroy or throw away diseased leaves, both off the * T: U0 Q- c6 f9 t4 @# c5.39.217.775.39.217.77* G9 h, L9 U# Q! g, G
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early + c$ a# r: n# Z3 _$ z7 B$ O* M1 v3 F+ XTVBNOW 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。- ]/ Q% C/ W; G: s! W
enough. If a plant is heavily infected5.39.217.77$ S4 J/ w, k# s# J) L8 g4 y\" f! T
* M, A1 }\" x' X( e- l , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 5 s- h$ t9 u5 j4 F0 I- t. \$ C5.39.217.77公仔箱論壇; Y0 i; [# p& x" o+ f9 w
to remove diseased leaves should be disinfected before being used on a different plant. S9 `) X: p% ?" X& j2 s公仔箱論壇4 n4 R* g* _ D, q/ B' G( G
Spray plants to prevent and control the tvb now,tvbnow,bttvb4 `0 D- z+ w3 x* o9 C
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 1 E! f, ^% P" ~6 y# S% c公仔箱論壇 6 \, x& T2 G% \0 `" r% U$ pGreenCure. : @* w+ [6 j! M$ z7 ] 8 |+ n5 x4 a2 R3 e7 g5 L5 fTVBNOW 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。5.39.217.77: t8 D/ F( M, @$ i A! Z0 M
Late Blight on Tomato Plants F" u, V0 S; e: l% W' Z Ltvb now,tvbnow,bttvb $ p* F) F: M: ?& o" @$ JLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇3 T1 w3 X& L) W- I& V
+ a4 P+ f& [* I5 wTVBNOW 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 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 }- J0 ]* }, X9 i
; s1 m9 V* R1 T. u' p3 h3 S8 ~1 W公仔箱論壇is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, / b' K8 ~6 a; `/ u5 [ O1 P
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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 5 f- E: z; \( ^tvb now,tvbnow,bttvb; g4 H P9 w! \ t: E# Q1 w$ d can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and ( Z5 s& B9 v7 i" N* Z 0 [; N9 H$ g1 V. h+ W! m5.39.217.77Septoria leaf spot infections will also help prevent late blight infections.
