Early blight and Septoria leaf spot infections most commonly begin in the early or middle part of the growing season but
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0 T% ~# u. \4 W+ ]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。* C' S) j7 ]( m1 z* j, T( ]
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How to identify Early Blight9 u" j* C d5 I1 Z; V# u
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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
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, N6 J) E6 m4 I1 ]( t) `1 r: onewer 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. J3 v% J9 j. e3 v9 e9 r. y
( T) }& b" B7 m' twww2.tvboxnow.comin color and form concentric rings, or a www2.tvboxnow.com( a9 P; D9 z# L
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bullseye pattern, as they grow. The area around the infection commonly turns yellow. As infections grow, tvb now,tvbnow,bttvb0 q, c0 ^$ |8 x1 g1 q
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leaves may fall off. Extensive loss 公仔箱論壇7 ]/ Z0 j- y7 ~7 n7 T7 b4 e& h1 t
" y% D/ z1 `, P( `4 X- gwww2.tvboxnow.comof foliage is common. Infections most commonly occur on leaves but can also appear on stems and fruit.
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2 [9 p+ c! `, { q4 DHow to identify Septoria Leaf Spot# [8 @* B9 b; d
: Q1 K# g9 i5 `* NSymptoms of Septoria leaf spot also start
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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 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。' x8 \4 Q* B" o. X) b2 V/ R) I* s
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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.
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Small dark spots, the fruiting bodies of the fungus7 X6 H) m4 C5 K) s
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, will appear in the gray or tan centers. As infections progress, leaves can turn yellow, then brown and finally dry www2.tvboxnow.com; c* v; H: e! M! V
) X6 J! E: K4 y, Y' M公仔箱論壇and dead. Stems can also become infected but 公仔箱論壇$ ~7 G\" b4 K& j1 ~, C, L
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infection of fruit is rare.8 r, m; J' K" ^) E
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; ~2 A0 V) {$ n! uwww2.tvboxnow.comHow to Prevent and Control Early Blight and - a3 `$ p5 b6 o, @\" @$ 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。0 h& T$ r, \3 T\" D! a
Septoria Leaf Spot
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: K& y. o- y5 ]% ltvb now,tvbnow,bttvbFollow the 12 easy steps below to enjoy a
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4 }0 h9 g$ e\" H9 Tlong season of sweet cherry tomatoes, colorful heirloom tomatoes and richly flavored sauce tomatoes.
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1 R: k. a/ @# }8 e1 ^tvb now,tvbnow,bttvbWeed your garden. Some weeds, ! f7 F; S% J5 \
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like nightshade, can host early blight and Septoria leaf spot and spread them to your tomato plants.
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: \ L$ D, j& d0 w, Q( h6 XRotate crop locations. Don’t I4 Z- F+ b& T+ a" ^. o1 A
4 v6 \- ~' U7 }4 {plant your tomatoes in the same place each year. Early blight and Septoria leaf spot can persist for multiple years in areas
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where tomatoes were grown.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。$ m9 w# W/ v- W' |
5 F$ U: I6 m; K% y" F& V, Q xTVBNOW 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。Give your tomato plants more space for better airflow. At least 2 feet of spacing, more is better.4 |8 ]: ?, U/ y4 @
Cover the ground beneath your tomato plants with mulch, plastic or landscape fabric. A cover helps prevent the spread of tvb now,tvbnow,bttvb, W$ T. l( `4 F2 b
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fungus from the soil to your $ U2 D9 D; D) D$ f9 k/ A& k
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plants.
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# `' D8 C) r* e0 B: O公仔箱論壇Stake or cage plants to keep them 6 h" g9 U: k, c% a
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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
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cages. Remove lower leaves for better airflow. As plants mature, remove lower leaves until there is about 8 to 10 inches of
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' s1 g& }/ e# ^4 u- S$ _0 {4 z8 Dspace above the soil without any leaves. Do not use : U, p$ v% M+ P
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overhead watering.
, y% f7 {& i# D) ^- [Avoid getting leaves and stems wet as much as possible and avoid watering in a way that may splash soil onto your plants. ! ]% L1 D, e& E3 c* B" l
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
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1 y9 Z1 U1 o; z0 `9 ?1 D+ M9 `8 `fungus to grow and spread. Avoid working with plants when they are wet. Fungus can be spread more easily when leaves are
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7 u( l* m' N5 O: E5 E" f% X2 A# n公仔箱論壇wet. Keep your plants happy and healthy. Weak and stressed www2.tvboxnow.com9 ~$ o2 S- E% F8 R
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plants are more susceptible to disease.
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K+ i$ d% u! R1 d3 N1 i) 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。Remove and destroy or throw away diseased leaves, both off the
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: [! O. _& C, i* e& U$ B公仔箱論壇plantsplant and any that have fallen onto the ground. This may help stop the spread if caught early
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enough. If a plant is heavily infectedwww2.tvboxnow.com( ]1 b$ p, L% Q& {! e% S/ B
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, the entire plant should be removed and destroyed. Do not put infected leaves or plants in a compost pile. Tools used
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to remove diseased leaves should be disinfected before being used on a different plant.# w: ]( l# e7 g. O2 h8 c
: E2 |) J) y% V2 n3 K( J$ F8 uSpray plants to prevent and control the
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spread of Early blight and Septoria leaf spot. Commercial fungicides are available. For organic gardens, try
5 `- m1 G6 ?0 N1 N5 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。tvb now,tvbnow,bttvb' b2 a- b2 O- c- `' L( N; r
GreenCure.* B5 |0 t) z9 ?6 p+ v% p
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Late Blight on Tomato Plants
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Late blight is another fungus that infects tomato plants. It spreads fast and can quickly kill all tomato 公仔箱論壇) U3 w' d/ J# b
# _' l* V) M9 p8 splants in a garden. Once a tomato plant
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is infected with late blight, the entire plant should be removed and destroyed. Late blight infections first appear as small, 公仔箱論壇- |& w6 G" l1 S+ b) v; d
0 L, v' g, F- g a4 @. R' p9 T& L8 pwater-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,bttvb- X* E6 B# s- B
5 p4 G' i* N5 g. B# 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。 can infect all parts of a tomato plant, including the fruit. Most of the methods for preventing early blight and
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Septoria leaf spot infections will also help prevent late blight infections. |
發表於 2019-4-13 05:03 PM
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