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 ( @" C2 W7 ]7 j2 m8 A0 t- Qtvb now,tvbnow,bttvb 2 F* s9 X8 ?4 d& G M8 ^0 X9 zcan start at any time. Infections can occur anywhere and are most severe in wet and humid areas. $ o; a+ k( {, r& t) v , z& f" [6 k1 a5 m. w" c& s+ l9 x5.39.217.77:8898 ' ]' c1 y5 R" m, }公仔箱論壇How to identify Early Blight 4 } B* V# j& w) R0 A. U公仔箱論壇 0 x$ ^" o4 a) n# e1 Y3 [tvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 5 R& i9 D: v. i8 T9 `1 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。 1 H5 Y \. ]) ^! w6 X. k5.39.217.77:8898newer growth. Early blight infections appear as spots that may start out circular or irregular in shape. Spots are dark brown " X" e Z1 C, _7 h % O! g9 F) L) W- `5.39.217.77:8898in color and form concentric rings, or a 7 r. Y1 B9 c) U+ u% j# i! 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。$ l6 k) a9 B7 b2 K8 s' S
bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, 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 ?& s7 T H! A; O$ x
3 V3 o7 c. i! Z8 P6 ]; Sleaves may fall off. Extensive loss tvb now,tvbnow,bttvb, Q3 |+ e4 ?8 {
% ~5 V$ [. y! p, F3 t+ ]" pof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. - y: G: v1 K) J* a6 v+ v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。; @1 t4 g: B+ k. R, R& x$ C
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。' q# p2 v8 S7 A' p
How to identify Septoria Leaf Spot ( T. x l. T6 |4 a) M6 t( f公仔箱論壇tvb now,tvbnow,bttvb# r( k6 O i5 L
Symptoms of Septoria leaf spot also start 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。/ M) [7 _/ M7 B; N( i: \
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on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 3 s8 h! y1 O4 j& o+ a) E' xtvb now,tvbnow,bttvb 8 H9 L( j& n3 _3 Dshape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. 5.39.217.77:8898- n0 Z* T5 _7 w1 I" n j" @
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。4 v2 `; V; R& S; G% q3 p
Small dark spots, the fruiting bodies of the fungus公仔箱論壇+ w5 `' m3 T+ o1 q7 B) b
5 U6 M# n/ x\" h% f( x1 XSeptoria Leaf Spot 4 d' F8 _& 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,bttvb1 M0 b! C6 O$ W3 g2 i
Follow the 12 easy steps below to enjoy a 1 Y\" d. a! q\" Vtvb now,tvbnow,bttvb / Q1 T6 e* v/ O' }9 V9 p6 o/ 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。long season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.公仔箱論壇! @- Z$ W6 J7 Y$ q: U; J1 Z1 ?
* F) ]" j2 G: O: e6 v Weed your garden. Some weeds, 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。% S0 q, f0 C0 E! _! d6 \8 s$ O
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. . p1 d ?; ]* c# P2 U- t5.39.217.77:8898% t3 W" l5 R$ @, D( Z0 N4 } Rotate crop locations. Don’t 5.39.217.77:8898) T5 _ |0 i2 E F
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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 # O$ B4 y8 S1 o& y
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where tomatoes were grown. $ j1 p5 m! Z& h' ? p$ B, S 4 I3 x* s$ O# ]6 r, X! vGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better. # K- V4 Y* O1 Q. pCover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb: x# Q, H$ g4 G% S2 U% f; h- T
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fungus from the soil to your , w4 y- v, i& C+ m( K0 u
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plants. : t$ M7 n" [/ ^! K8 C$ ITVBNOW 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, [0 m; n8 m" ?7 M: e. Y5 D9 Z) s
Stake or cage plants to keep them % G! ~6 X) L) Z3 t公仔箱論壇* g3 z: F% d5 A' c& P- k3 {8 H8 R
off the ground. Early blight and Septoria leaf spot can survive on stakes and cages. Use only new or disinfected stakes and / O( U: o3 n7 _8 C8 y6 R7 }" r8 r" r; T/ E, L% v9 ?- ` u
cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of 7 }& I* E1 h5 r" s- e
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space above the soil without any leaves. Do not use & u1 v b% N# }1 P\" H/ [
' X* a1 O. C/ ntvb now,tvbnow,bttvboverhead watering. 4 {! w8 ~, c- G& X1 @5.39.217.77:8898Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. 7 w2 }& M$ h" f5.39.217.77:8898Consider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ) d6 f/ r2 ^1 V4 d
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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 tvb now,tvbnow,bttvb, p5 n0 M8 v1 H4 b8 n
4 i0 S7 a$ ^; D. Cplants are more susceptible to disease. $ ^, L& X6 p6 S& K- s. D5.39.217.77:8898. P5 j, c1 j3 E8 h6 k3 q5 h
Remove and destroy or throw away diseased leaves, both off the % p( d- @! ~# X* X! U. d# e S5.39.217.77:8898% g) s: f. _6 D3 K
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early - O$ a( y) V. A$ f% Z6 m0 ], Q ! F3 O- y& {" _+ J, D" P1 btvb now,tvbnow,bttvbenough. If a plant is heavily infected5.39.217.77:8898( d6 u \. n* j7 C6 S
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。$ t7 v. q3 |: M* | , the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used 公仔箱論壇9 G& m5 o0 c# m+ F: q( z5 Z
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to remove diseased leaves should be disinfected before being used on a different plant. 0 p4 ?! c; u9 U4 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。# J, s6 S. X: ^) i' t# F6 {6 \
Spray plants to prevent and control the , K6 x9 Q4 y+ |6 _2 ? u4 K' Z: U2 d, U' P, v7 ?- N* h E
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try + ^) X. I$ k6 ]/ O9 x* ?5.39.217.77:8898 % i( y; m2 `+ O) J, g% S" O6 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。GreenCure.5.39.217.77:8898$ Z! F+ W& V2 M4 Y( @5 F3 O: H
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Late Blight on Tomato Plants8 g/ [5 F8 ~. j' \6 E
|- L% Z( s3 |tvb now,tvbnow,bttvbLate blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato # J$ l% Y3 o2 ]# B, I7 V- I公仔箱論壇5.39.217.77:88987 H2 }0 l) N9 z3 Z2 f plants in a garden. Once a tomato plant . a0 t* w J6 c& A. G 3 S" z, `" w& z' r0 W( H5 l% _5.39.217.77:8898is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb7 L4 f1 q. Z4 y
/ |* c+ [* e/ ~: q* h& W& R. L5.39.217.77:8898water-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 blighttvb now,tvbnow,bttvb9 E6 e. G/ N2 X% ^8 J
9 L. k& Y: k: l5 S f8 [% I1 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 公仔箱論壇$ _3 g) i, r2 f; I, O/ f: T. {
& [6 C* V8 N* z; Q 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。Septoria leaf spot infections will also help prevent late blight infections.