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 & N& P0 Y U+ i0 E# C) J# Rtvb now,tvbnow,bttvb 4 t G& y. J( \ @ G( zcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. ~) P, Q4 d, U7 M2 p/ z5 gwww.tvboxnow.com4 l n) c5 j" F
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How to identify Early Blight ! ^, C- _7 Q4 ^& i& M9 L7 a$ ?7 ttvb now,tvbnow,bttvb8 Z5 f/ [3 F# E# @ W
Symptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to ; ~; I! q$ M3 t& T; U公仔箱論壇 - F, g/ n7 z7 Y8 q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 7 E) C3 h4 ^7 k/ ~1 ltvb now,tvbnow,bttvb公仔箱論壇2 y! ^8 \4 l0 v7 o
in color and form concentric rings, or a tvb now,tvbnow,bttvb V. ` }9 J- S* }2 a2 c/ u: r% r0 `
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 0 v8 D5 @; S* Q; h) \- Fwww.tvboxnow.comTVBNOW 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。+ F9 a2 M, O* K0 | leaves may fall off. Extensive loss www.tvboxnow.com! n" y0 U! R$ ~
q& ?5 N3 N4 P" l5 \' q1 Ktvb now,tvbnow,bttvbof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ! f+ t* K1 _- }0 O K8 ] 2 U7 Q% n- [" i; y8 p- ztvb now,tvbnow,bttvbwww.tvboxnow.com6 h& `) k9 ?. n" X
How to identify Septoria Leaf SpotTVBNOW 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 v# h6 G3 h" A% D" L! V% G+ G
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Symptoms of Septoria leaf spot also start 4 X1 a9 m7 B/ 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。www.tvboxnow.com( _6 {1 x8 N0 e
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change tvb now,tvbnow,bttvb* {5 o9 ?: r) |/ i, e @; `1 K
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shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 7 d; x" ?# D# Xwww.tvboxnow.com + b& v9 d! q: h2 x2 v( Uwww.tvboxnow.comSmall dark spots, the fruiting bodies of the funguswww.tvboxnow.com, L/ E! `8 K& C, v! |\" S/ o
; S* b3 D$ ?/ q , will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry - `# c; Y0 ?' A% D& S: u% }
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and dead. Stems can also become infected but 7 i% `' [* W# Y/ b/ Ewww.tvboxnow.com, k4 ?% o( S+ p
infection of fruit is rare.tvb now,tvbnow,bttvb$ h( a! K9 }! J9 `3 f5 K
/ t5 j) ?! B/ J7 v3 D# e* ? Glong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes. . z0 ~/ g4 H5 H0 H+ Etvb now,tvbnow,bttvb , C7 T1 N' [8 E7 l0 ?: x" 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。Weed your garden. Some weeds, ' D3 i- o6 N! j' V3 ]+ ]# D$ xtvb now,tvbnow,bttvb ' E* u. D. C1 l/ 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.www.tvboxnow.com* u# v# b: \; q. ^# L% [8 e0 I
9 x8 p @' |7 U2 w9 P+ {5 Uwww.tvboxnow.comRotate crop locations. Don’t 公仔箱論壇6 E) m( W6 J6 T" k$ F' ^' p
8 u! i# O+ s! ^$ ^$ s7 Z3 D公仔箱論壇plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas & j0 l/ p7 C! P3 [; P2 O# 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。 % r3 e8 b R( C* Utvb now,tvbnow,bttvbwhere tomatoes were grown. + O0 z8 X- e$ z, E! r8 _ 3 c+ H; X" d# c" b2 R- n" n+ _Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.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 U7 F/ S6 \
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of + X# w* ~' W- ctvb now,tvbnow,bttvb" G" s2 N# p& }+ c+ Q* g
fungus from the soil to your www.tvboxnow.com: m( O5 l- B! m- @0 C% T
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Stake or cage plants to keep them 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。8 B- {- m$ k9 ?, W! y+ z% k
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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 ; A0 s% b: K0 h 8 H* f* Q" K. M! Q9 i6 E, q8 @+ ycages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 3 {0 M( _# W: x' X) Ptvb now,tvbnow,bttvb ! K5 v+ I' L, k公仔箱論壇space above the soil without any leaves. Do not use ; u, h\" Q* Z\" d% W% b' x公仔箱論壇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。\" P\" U. n2 j' _- s7 V7 Q
overhead watering. 2 Q/ L0 k# i* F6 mAvoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 9 w/ O* O' f5 A, k e! W2 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 $ Y! q9 Q- {* k ^ 4 k4 H9 L2 k, _: p1 q) w" L; y" ^公仔箱論壇fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are tvb now,tvbnow,bttvb4 G4 t z- u% F6 X
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wet. Keep your plants happy and healthy. Weak and stressed 公仔箱論壇$ j% k( G% S9 a$ @ }, t7 S- X
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plants are more susceptible to disease. * o% a3 a! ~# G- \www.tvboxnow.com ; ]6 g0 B. w0 A: O& Z! rRemove and destroy or throw away diseased leaves, both off the 6 v. s1 y. y0 {8 c% {/ X' a: e % N9 U* c7 ~/ Z- ~6 @tvb now,tvbnow,bttvbplantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 4 x" L* M# G6 i4 ]* t( J" N0 L& Q8 f
3 K V( K1 [( B1 L\" i1 p, n6 {www.tvboxnow.com, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used ) n+ m- |( N# O. w 9 ]0 _) j) s( [. Z& Lwww.tvboxnow.comto remove diseased leaves should be disinfected before being used on a different plant.www.tvboxnow.com2 ^2 T# Y6 ]* N- [5 {
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Spray plants to prevent and control the 公仔箱論壇* }3 |% u/ H7 E* X. F1 Z
: d, m( q, q, y( Z) h+ Z9 K- A2 ltvb now,tvbnow,bttvbspread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try 5 l% T, ~! O+ 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。! m V) \$ A) c3 h( ]" t( l
GreenCure. 5 b/ I# o; |/ A: Z公仔箱論壇/ Q. o2 _ P/ t. ^) i- m! j2 p
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Late Blight on Tomato PlantsTVBNOW 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。* M8 U) T( M& _- u
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato " M0 D% \" m& }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。 - {6 S ?$ w7 Y$ W; t; S2 {2 V# rplants in a garden. Once a tomato plant 8 V+ L1 _8 M7 s: A. L8 i 5 M" B+ p% X V4 l6 \4 N9 h; [8 ^& N. Nwww.tvboxnow.comis infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb0 ~4 C7 ^" S" W0 a
: Y. I9 D. V/ T) q3 X7 y5 m公仔箱論壇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 ) I. K( d( E. |: L K公仔箱論壇! d+ m% H4 s% j. F4 ]% ~* V can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and $ j# }8 o- M/ l N8 t. T
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Septoria leaf spot infections will also help prevent late blight infections.
