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 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。7 W& s" F( D$ {
' q! w7 E& g. z/ d8 q _5.39.217.77:8898can start at any time. Infections can occur anywhere and are most severe in wet and humid areas. h9 v& G$ z% }
. \8 \3 J, D3 k: x7 s3 _6 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。 & ?- G2 J! V0 D% jTVBNOW 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。How to identify Early Blight公仔箱論壇" k% n' B, Z8 v7 Y3 x
8 \' a7 N A) I1 l. z; o; mtvb now,tvbnow,bttvbSymptoms of early blight typically begin on the older, lower leaves of a tomato plant. Over time, infections spread upward to 2 ?+ w5 X0 i2 {" ]0 v9 U {' O/ \5 y
7 m4 C6 L B' r) {9 gTVBNOW 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 公仔箱論壇4 V( C3 {! b& M1 E" _
2 i# X6 j* f, V, H1 B' g, etvb now,tvbnow,bttvbleaves may fall off. Extensive loss % h6 s/ U6 [: E u4 s7 {4 v公仔箱論壇7 f' N; \4 b. J( t" L2 u/ g/ _
of foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit. ' r8 _7 {9 I5 v# X0 r- 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。: a: o- h7 a" \
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How to identify Septoria Leaf Spot公仔箱論壇$ b1 d( m# R0 i. s
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Symptoms of Septoria leaf spot also start : l' b: r: H' E7 ~- @- m5.39.217.77:8898公仔箱論壇2 J* r+ H) r3 g g1 t
on the older, lower leaves of a tomato plant and spread upward to newer growth. The spots start out circular but change 9 Q+ ^ A/ U7 v- w6 G公仔箱論壇' x: i; b2 O! Z! i. ~
shape as they grow and can merge with other spots. Spots typically have a dark brown edge with a lighter gray or tan center. ) H! b# x" @2 N( {; L- V% J# Q+ q 1 k& {0 _+ t" B1 p0 _5.39.217.77:8898Small dark spots, the fruiting bodies of the fungus 4 |0 r x+ P i9 s! `& ]2 ~; m 9 n1 x6 r9 x J( Q- `# ?- | z0 w5.39.217.77:8898, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry ; `& j* A" j/ x% `* @& K
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How to Prevent and Control Early Blight and 公仔箱論壇9 ~) _( V, x( F% N+ \& T
4 H; L/ a/ }) O/ slong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.tvb now,tvbnow,bttvb: [% {6 F. P) J! N
. s* R! V! U( i# \2 K7 @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。Weed your garden. Some weeds, $ r3 F0 y# p+ ~5.39.217.77:8898 1 y+ _2 f3 w. J* V u* elike nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants. q% M* }9 o, _+ W0 d
2 K) j! k* ~6 ~4 rRotate crop locations. Don’t 9 C' l' j6 g( D" h ~/ ttvb now,tvbnow,bttvb* h( Z, R) s ]4 Q
plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas " v( }9 o+ ^ Btvb now,tvbnow,bttvb ) }9 Z s& N- D- x5 @# G6 n! {( btvb now,tvbnow,bttvbwhere tomatoes were grown. ' \; s V& J' ?0 e1 x, q8 f0 z2 M ( }- Y" s2 f6 Y/ N; K* HGive your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.tvb now,tvbnow,bttvb1 @" a* G" s- J) J- N7 T/ W
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb6 j# W5 Y0 u6 `1 I: v
& r) j2 v6 Y" d8 UTVBNOW 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 from the soil to your 5.39.217.77:88986 Z0 J1 N- J) z% r
* G3 a! Q1 K% q4 D* ^' ztvb now,tvbnow,bttvbplants. : G# R4 f* N/ w! G) x! ^7 \ % q9 h4 c" z& _5.39.217.77:8898Stake 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。1 L8 G0 O5 x* @
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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 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。' I4 p. y+ J6 P" E
8 g4 z, Z, ?$ U& {7 z公仔箱論壇cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of ; F0 u ]! N3 ~+ I) Btvb now,tvbnow,bttvb5.39.217.77:8898! J, U+ ~, e7 @* b) p( [% b2 h. r
space above the soil without any leaves. Do not use 5.39.217.77:88985 F9 y% [# q8 M8 G3 y: j# ]6 }# w
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overhead watering. 4 b9 S6 F) u9 R0 P. a3 d7 p* ^
Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. / n! f$ l$ p/ b' Y1 d, v- uConsider using a soaker hose or drip tape. Water in the early part of the day. This allows leaves to dry faster. Wet leaves allow ! o- l! @; @2 A公仔箱論壇 , M/ ~3 @ R$ a3 f& \" p2 X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 6 Y* _) ~, J: q) r1 z: Dtvb now,tvbnow,bttvb * G `+ c; v o; E! |$ f& _wet. Keep your plants happy and healthy. Weak and stressed I% P1 H4 ]2 O! w
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plants are more susceptible to disease.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。( L6 d( @' @; n1 E
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Remove and destroy or throw away diseased leaves, both off the }( n- K! x/ t公仔箱論壇公仔箱論壇5 i5 X$ Y, R0 a. w, N
plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early 2 a8 W; D$ N( J- l2 g5.39.217.77:88985.39.217.77:8898! n, G& Q& l0 c& P
enough. If a plant is heavily infected ; E# h% u* `. L3 d5.39.217.77:8898 0 t$ v% }: D3 p& x( B; K* c+ ktvb now,tvbnow,bttvb, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used tvb now,tvbnow,bttvb+ j |9 Y) T# ^ A
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to remove diseased leaves should be disinfected before being used on a different plant. & m- }- p4 U6 a* i6 \/ c. TTVBNOW 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, H6 d2 M. ]9 }3 K( [3 _
Spray plants to prevent and control the 6 {6 s) |' U H公仔箱論壇, `+ R, m D: ^* R) P
spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try & _' M! J; h* c
: E* g4 R3 g$ J- A! f1 i+ x6 YGreenCure.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 [& u5 c% V. j
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Late Blight on Tomato Plants , k2 ?2 V% N" S7 Z* P" _4 [8 C公仔箱論壇tvb now,tvbnow,bttvb2 [# a9 i) n1 f6 h! q
Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 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。; E y6 ~$ k1 X; f4 u) A
6 d* `9 e* b! L 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。plants in a garden. Once a tomato plant 7 c3 L3 i3 K# t4 m) q5 tTVBNOW 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。/ n- n, ^0 n* L1 x" R* t7 x
is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, tvb now,tvbnow,bttvb" `1 `4 Q% s! @4 j) l B7 H
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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 blight5.39.217.77:8898# g) ^5 |( ]& W1 Z) s5 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。( ]1 A( ~1 O l1 z4 a! {! K can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and tvb now,tvbnow,bttvb7 F* {+ H+ S4 x3 x) u
) {3 H, l: h" `" O8 S+ H/ W* |5.39.217.77:8898Septoria leaf spot infections will also help prevent late blight infections.
