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 7 _4 ]" X! S9 j4 E; S$ g7 {5.39.217.77:88981 h' W! x: ]8 M! G" ]
can start at any time. Infections can occur anywhere and are most severe in wet and humid 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。0 R# u* n l! j# L& H6 _* G
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How to identify Early 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。7 Y3 O1 M6 ^5 Y9 E! ]% K
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Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to + C! ~: h; i$ @8 W! D2 vtvb now,tvbnow,bttvb 5 y% L# K4 V6 {3 v+ a, V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 / U9 ^" T& g4 U; Q/ O公仔箱論壇5.39.217.77:8898( N1 R& C( p J j" |) k
in color and form concentric rings, or a # g7 }' z' k: l5 X6 N5.39.217.77:8898 ( ^# ~/ T7 ]; i2 s* }! ^tvb now,tvbnow,bttvbbullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 5 f9 ]$ o. ?6 v* i. |5.39.217.77:8898 / e! t) c4 S$ X8 ~公仔箱論壇leaves may fall off. Extensive loss 3 L& ] F3 \- w! J4 E5.39.217.77:8898TVBNOW 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。7 W: d/ n7 h- A$ A/ _- A( g) l
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.5.39.217.77:8898. w' G) z" F2 C0 D$ {9 n
/ [9 C! F8 }* V4 X 5 P* A2 q6 J5 Y. K# _% h- YHow to identify Septoria Leaf Spot * z- s/ h1 x4 {: z公仔箱論壇( b5 o& F7 t' e0 P; d- h6 U
Symptoms of Septoria leaf spot also start 4 p9 t! j6 |. E& @7 s/ u公仔箱論壇公仔箱論壇. j0 l( E; E3 E8 s9 [6 C! t
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change / B& \1 d( @4 B. y9 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。 0 O, T" D5 J. U' P# S6 j% Cshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. tvb now,tvbnow,bttvb- O) T' A9 z* C2 D* B6 R
! g9 b* F' J, c, C) wtvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a . Q* U: \7 f$ I9 u) a 8 G2 O9 T& @' b4 A+ I5.39.217.77:8898long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. 4 K+ N6 A: B9 n" t. ~2 k) 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。 & h8 D0 S1 M1 U) E公仔箱論壇Weed your garden. Some weeds, 1 T$ N$ h K$ B4 }% o公仔箱論壇 ! E! P: s$ J1 OTVBNOW 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。like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 4 r, R# h, |' c. Vtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb, R2 |$ T* ?& ~# ~/ T, x' @ Rotate crop locations. Don’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。0 {' ?: h. U5 Q* ?( |' c+ g* }2 `
/ n' G1 {, S3 @$ C m) |* Q! P/ ^! P3 t5.39.217.77:8898plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas & {* E' i( f4 r/ F% M! |2 A# n0 \
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where tomatoes were grown.tvb now,tvbnow,bttvb8 a, B* Q5 h6 p
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better., U$ b5 v' s9 k" u
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread 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。- [) O; W/ J+ _, X. C: V8 Y) E0 J. j$ E
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fungus from the soil to your % X3 o# k1 S' c# n% z% k
+ Q- K$ J$ v0 U6 \公仔箱論壇plants. 2 X. l5 P/ X! j- F1 s5.39.217.77:8898 & J) {6 k1 p3 Z2 o9 o0 J公仔箱論壇Stake or cage plants to keep them 8 c, y8 V( U7 O% ?; B' l8 G
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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 ! G: X6 F" T8 H( y0 m5 F% a" G! f公仔箱論壇5.39.217.77:8898! p1 X) {) t) Y) k* o. b
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of tvb now,tvbnow,bttvb2 j$ \. i& Y6 U& l; g2 @
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space above the soil without any leaves. Do not use - T: c9 L. _& `公仔箱論壇 9 |% ~3 ^/ Y( \' z. ^overhead watering. 5 W5 Q* k% M+ C8 {" X: V( A7 b
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 0 C7 B8 ?& H7 P& V6 z5.39.217.77:8898Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow # `+ p% o, q$ B3 ^% G6 A5.39.217.77:8898 4 Q& Q# D! ~2 z: @1 r% h1 \5.39.217.77:8898fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are % t4 L+ t7 Q/ g 6 B0 F: D7 l7 e h5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed 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 K; r2 X* q\" H8 x
) p2 ?% F/ Y2 U5 k9 u$ \公仔箱論壇enough. If a plant is heavily infected / E- {% h! z* p, }, W公仔箱論壇! |9 m3 m; g# u3 o6 c\" `! X* j* w , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 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。& W& l+ N, _3 w1 [/ p: d+ I5 @
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to remove diseased leaves should be disinfected before being used on a different plant.公仔箱論壇0 l( @4 d3 ]2 k- x6 J/ n2 Y
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Spray plants to prevent and control the * f$ s# \( `) W1 V6 S0 j
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try + P- w9 {1 i- z$ b0 {7 a* V8 o5.39.217.77:8898 ; ?0 p9 Q) k1 T* }) b% Atvb now,tvbnow,bttvbGreenCure.. `' s% t" c2 {( u; o4 p0 U& m
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Late Blight on Tomato Plants 9 m6 P4 h% k. g" J 9 p1 W0 }& X8 O! RLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato - r! t( A$ u# g/ F' T0 hTVBNOW 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。公仔箱論壇' v7 X+ F6 U7 y6 ?: p( ?6 m3 b 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 J, H( Z* T' h1 H! b
8 R3 ]2 q" F) N; _" h; O8 Zis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 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# f8 s5 A% i
3 v, E3 S+ ^! D1 @! f, N/ n" j. Gtvb now,tvbnow,bttvbwater-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( z0 S# {8 L) x% p\" }$ {9 Q
\" t' T- x! D2 u9 }/ d) o2 G5.39.217.77:8898 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and - l9 B; n2 h) 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。) o6 j- Y; z" r( b% b0 r6 J# P s6 D
Septoria leaf spot infections will also help prevent late blight infections.
