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 tvb now,tvbnow,bttvb0 e/ p+ d" x; j9 a5 T
$ B N/ O M4 G/ R- X; t- N3 {5 Xcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. ! R; v. I6 v3 H! \) n公仔箱論壇5.39.217.77:8898 ?8 _ M/ I1 K" H+ p( F
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How to identify Early Blight ! r" v8 T' {3 O; }' J1 `4 QTVBNOW 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/ h' @; N3 I+ \% ?4 m' p
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to " P4 \( m& ]4 R! G4 D3 `公仔箱論壇 : _0 s( V& s5 w5 W7 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。newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown + S0 {" a# C2 U1 w
! x1 N, P# g3 {& n; t公仔箱論壇in color and form concentric rings, or a 5.39.217.77:8898; C: e6 Z/ }2 [' E& ?. s
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, [+ A: C. W. p$ g; \9 _tvb now,tvbnow,bttvb $ w; g& O1 \/ Y _9 otvb now,tvbnow,bttvbleaves may fall off. Extensive loss + _% F) [5 h% O m8 ]公仔箱論壇 , C9 S# g* L6 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。of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. 2 Z0 M6 ]' R* H. S5.39.217.77:8898 , s% Z& L) d) C+ A4 ? E( [) etvb now,tvbnow,bttvb5 C2 s3 l6 i) C) S! c
How to identify Septoria Leaf Spot 4 ~6 @4 h" g5 @( vtvb now,tvbnow,bttvb 4 n: H4 R6 o L5 U5 fSymptoms of Septoria leaf spot also start & `" X5 M _1 H 6 H8 j/ v6 g, c( Y5.39.217.77:8898on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change + ?' p: W& h: c- i! 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。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。( ]% ]# J$ D& r6 C, a$ U
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. . A/ X' S3 D0 \4 g% J/ n5.39.217.77:8898, }$ [+ a; Z- f6 S) _$ |) ]
Small dark spots, the fruiting bodies of the fungustvb now,tvbnow,bttvb; e, g* i S6 i3 j4 v
公仔箱論壇$ }( K/ s+ D0 m , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry 5 ]8 d& q- B5 r; X2 b W- m0 B3 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。公仔箱論壇0 o# J6 V/ `# v& m% Z7 r/ X
and dead. Stems can also become infected but 5.39.217.77:88983 {) t- w+ P9 ]3 f4 y
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 W, C( u6 \6 O; E
infection of fruit is rare./ q# Q3 E" Y% u7 M( N) k0 D
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How to Prevent and Control Early Blight and ' }# K: w+ s6 y1 H
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Septoria Leaf Spottvb now,tvbnow,bttvb2 I8 J, P' d* u' W Y' P: e, B; Y
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Follow the 12 easy steps below to enjoy a ) S3 f9 d& G/ @2 \/ p
1 Y9 d% W, I2 x& }\" Y- {公仔箱論壇long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.- a7 B/ i7 c8 I8 g9 q- |$ p# d
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 O$ \# q/ \1 T Weed your garden. Some weeds, 5.39.217.77:88987 n$ r; a, Y- g" I! ]. E
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. 7 l! H# n- M% @; O' [$ s 4 q5 i3 H7 c: X) n. \公仔箱論壇Rotate crop locations. Don’t 6 V7 G8 t% i4 e8 @
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plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas 6 k, }$ P: d2 H* ]- r) H
$ a) Z) v( r, M( Z$ o' {/ a# b! \: C5.39.217.77:8898where tomatoes were grown.5.39.217.77:8898) l t5 U( V# _/ r* N: K _
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Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb; E F; U. Q7 X! T# |
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of 8 O5 q! k7 k: Y; \2 O a& N6 Htvb now,tvbnow,bttvb . X$ Q( r. p* T7 X0 Ttvb now,tvbnow,bttvbfungus from the soil to your & N7 B* n) f7 u1 \ {# ?( Q p2 d" Z7 g2 `, M' F: c
plants.( V" o5 b8 d/ d6 g
* T! H% f' J$ r5.39.217.77:8898Stake or cage plants to keep them 4 q' G d- B6 Q+ @公仔箱論壇5 i q7 f( f. d/ |: S! N$ n8 c
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and 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 C9 R% C7 g$ Q$ l4 U* W3 x% V
2 r' z9 a3 H/ ` i5.39.217.77:8898cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of # _% i! ]0 t T; u. L公仔箱論壇 & W6 h. g4 @- k4 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。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。5 Z9 s2 S7 S( C A
. |8 i& O) x& a9 B# C l5.39.217.77:8898overhead 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。& {" P3 B) G. f% v& Z- o- Q
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. - U9 C! o2 }- s4 X' ~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。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 5.39.217.77:8898& U) R: F) @. ?7 }4 R( S
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fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are / W: u; b% g( X' Y$ S; d5.39.217.77:8898 . U7 u. ^- }6 H; z) `# U& Y( @5.39.217.77:8898wet. Keep your plants happy and healthy. Weak and stressed X2 y, Z7 L: N' k8 D( F. v5.39.217.77:8898公仔箱論壇' @3 ^1 a3 ]7 t9 B' l6 a1 Z3 U0 G
plants are more susceptible to disease. 5 K9 @6 K% c# x5 f+ {$ J' {& F5.39.217.77:8898TVBNOW 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。* I3 d' L8 n+ ]( T, X% W
Remove and destroy or throw away diseased leaves, both off the 5.39.217.77:88980 W* J; }) t o9 D+ j
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plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early ; Z/ [) C( N7 o% W$ `
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enough. If a plant is heavily infected - v5 K9 T, d* 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。 , z C\" `9 O* A4 \; ]% Y' y+ Q+ G, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 0 o3 B3 F j9 | u公仔箱論壇 9 G9 M, Z9 F% |- ZTVBNOW 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。to remove diseased leaves should be disinfected before being used on a different plant. # G! x, }9 I) |: ]公仔箱論壇 . |9 L8 }! [1 U. l) A, lSpray plants to prevent and control the 7 `6 l5 ]0 S. Q) I( O2 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。& l2 S2 P4 ] F n
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 8 B, B; O6 v! v) @: e: k公仔箱論壇. F+ H0 I- H+ b/ B; K: r/ e: g
GreenCure. ; H1 X8 o( Y7 X) D b公仔箱論壇7 R+ c5 { D/ R& ~1 i! I
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Late Blight on Tomato Plants . g2 G5 [9 r1 B ! i# p$ d8 f9 ^& {/ l5 F+ q公仔箱論壇Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato " e4 Q+ R' f, @, x. k, L公仔箱論壇公仔箱論壇) Y1 ]5 p4 k8 h% Q0 @ plants in a garden. Once a tomato plant & v; J( w8 J" ^/ D ; `! H1 M2 w) E5 z7 l' Nis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 5 e b, y( b7 f8 }7 \公仔箱論壇 % w" b: e: n1 t6 x! G$ Q8 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 blight公仔箱論壇. Z6 C5 \$ o9 s: `
5.39.217.77:8898. p. a; V* w$ g can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and 2 O7 i/ Q6 {7 k' _! F. n5.39.217.77:88985.39.217.77:8898( o( d7 l% i! K3 G8 {, n& `
Septoria leaf spot infections will also help prevent late blight infections.
