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 [6 b# k( s0 G" a1 T: R* }0 ~ 7 ]* I' B& v3 u8 P/ f5.39.217.77:8898can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. / j% |; g! a M- `+ _ & G0 c7 t' @( M" a公仔箱論壇 # _0 ~: W8 s4 d+ o: I4 t& a! Wtvb now,tvbnow,bttvbHow to identify Early Blight , X- s- e4 j1 S% T' p, Z+ 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。tvb now,tvbnow,bttvb% w% N* R, ~) z$ [0 x9 L# S
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 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 E- s* x% ~( S6 A
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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 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# y2 n5 V! @& 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。0 k7 e8 y% u6 B+ k. Z/ [
in color and form concentric rings, or a 5 x+ P( O\" M4 t- d: w% A
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb, T1 m9 c. y- v& N8 h+ `1 v% P
tvb now,tvbnow,bttvb2 Y3 ]2 U/ M8 k leaves may fall off. Extensive loss 公仔箱論壇" v8 W. W- y4 `+ M# d1 d
$ G1 D3 K7 ~1 Z. ^" Q! Etvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.& w8 D9 w& ?9 T$ y% N- V |
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How to identify Septoria Leaf Spottvb now,tvbnow,bttvb" V; F c0 C) k
2 p" ?1 ]" O1 o# AWeed your garden. Some weeds, 2 g4 t/ Q; f5 f9 L3 D! lTVBNOW 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 ~+ w R$ j& P( u. N p2 O公仔箱論壇like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. % g- g% j3 F/ d t$ _: @! Ntvb now,tvbnow,bttvb9 p; N; f% O7 Y, t! K7 E9 g Rotate crop locations. Don’t 1 g0 p7 H+ z$ n* ~. 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。5.39.217.77:8898 q: u; m; P: t% p
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。' s: ~' I5 q/ O) o3 U3 T, H
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where tomatoes were grown. 9 U$ ~$ b- p7 n4 `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。5 \$ L& t3 j; ~8 ~3 m
Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. * E% W, T# j6 E! P# Z5.39.217.77:8898Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of ( C+ k0 d: [5 c2 f# S! t; Y) d- A5 _5 G0 Z
fungus from the soil to your tvb now,tvbnow,bttvb7 }# d" S6 }5 Z
) G" S! z, l" F8 y6 u. jtvb now,tvbnow,bttvbplants.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' h# [# u5 n* Q5 ?( e+ {4 c
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Stake or cage plants to keep them 1 t5 {* N/ t* r# R
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。, k3 u- B- {. c- E& f/ A: q6 o
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and ' r2 p0 v W7 U* n6 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。tvb now,tvbnow,bttvb# l+ N( `' t& d1 O- j
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of A# X% E* M p: o) j 5 @, ?! ~- t6 y+ p3 _) s, i; h公仔箱論壇space above the soil without any leaves. Do not use 公仔箱論壇 T# D& p( q0 g: ^1 s# T2 [
+ }. d r0 D& f A- s _( F5.39.217.77:8898overhead watering. ' e! ]2 ^3 ~% k D! H L
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。# _1 G8 b/ g" o3 O7 E) U. K
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 # ]$ y3 r1 }7 r公仔箱論壇 9 C' a' B1 a* S" U8 s$ 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。fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are # L# y( Y/ C) R( G5.39.217.77:8898 6 a8 f, x9 ?( H; Wwet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇3 g. o8 U7 s; k9 R\" o
t! j/ M5 u% }- o) w2 mtvb now,tvbnow,bttvbto remove diseased leaves should be disinfected before being used on a different plant.5.39.217.77:8898/ d1 u' `0 u2 D
$ O! S% r/ ?& _* ]Late Blight on Tomato Plants 0 ?2 {6 |- L* V5 P! {4 s4 l5 m5.39.217.77:8898 2 ^% L+ b4 h6 C/ 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。Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato tvb now,tvbnow,bttvb* v3 C- t& x2 g/ o3 T
+ M) T* i, \) T; `4 e! I$ p5.39.217.77:8898plants in a garden. Once a tomato plant 5.39.217.77:88986 S9 x9 K* I" L# e8 f
! ]$ ~: j9 G* x( q4 z" z! @tvb now,tvbnow,bttvbis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, * W9 F: n$ B7 e' }" q, R8 z$ `5 ~tvb now,tvbnow,bttvb 5 P# s2 |- e8 s5.39.217.77:8898water-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 blight # k6 u& |0 h: |5.39.217.77:8898 5 S9 T9 w- N- |5.39.217.77:8898 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and D; H8 w/ S* t / w8 w) \% X$ M9 a* 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。Septoria leaf spot infections will also help prevent late blight infections.
