Cultivating Marigold Flowers: A Complete Guide For A Successful Bloom

Continue spraying at 10 – 12 days intervals till flowering 

2 to 3 sprays at 20 days interval 

2 to 3 sprays at 15 – 20 days intervals 

• White, cotton-like masses on young shoots, stems, and leaves. 
• The presence of a sticky substance called honeydew causes sooty mold development. 
• Crinkled leaves. 
• This leads to retarded growth of apical parts of shoots. 

• Prune the infected plant parts. 
• Spray Fish oil rosin soap at 25 gm/lit water. 
• Spray Kaybee Mealy Raze Biopesticide at 1 – 2 ml/lit water. 

Chemical control: 

• Spray Actara Insecticide at 0.5 gm/lit water. 
• Spray Sivanto Bayer Insecticide at 2 ml/lit water. 

• They suck the sap and cause curled and deformed leaves. 
• Affected leaves turn yellow and wilt. 
• Development of black sooty mold growth due to honeydew secretion. 
• Presence of small, clustered insects (aphids) on the underside of the leaves or on stems. 

• Crop rotation can be practiced. 
• Maintain field sanitation. 
• Intercropping with corn, beans, or garlic. 
• Place 4 – 6 Tapas yellow sticky traps per acre.  
• Spray Neem 0.3% at 2.5 – 3 ml/lit water. 
• Ash and turmeric powder can be mixed in equal proportions and sprinkled on the plant. 

Chemical control: 

• Spray Marshal Insecticide at 2.5 ml/lit water 
• Spray Starthane Insecticide at 1.7 – 2.5 gm/lit water. 

• They suck the sap from the leaves and cause tiny, red, or brown specks on the leaf surface. 
• Presence of fine webs on the plant covering the leaves and flowers. 
• Affected leaves in the later stages turn brittle reddish and brown (bronzy). 
• Premature drop of leaves and stunted growth. 

• Use high-pressure water spray to knock off mites from the plant. 
• Spray neem oil extracts at 1 – 2 ml/lit water. 
• Spray Royal Clear Mite at 2 ml/lit water 
• Spray cow urine diluted with water (1:20) 

Chemical control: 

• Spray Oberon Insecticide at 0.3 ml/lit water or  
• Spray Maiden Insecticide at 1 ml/lit water. 

• They feed on young leaves and tender shoots. 
• They can chew holes in the leaves, leaving behind a ragged, uneven appearance. 
• Stunted growth of the plant. 

• Spray Neem oil extracts at 1 – 1.5 ml/lit water. 
• Spray Metarhizium anisopliae at 10 ml/lit water. 

Chemical control: 

• Spray Karate Insecticide at 1.5 – 1.7 ml/lit water. 
• Spray Danitol Insecticide at 1.5 – 2 ml/lit water. 

• They cause damage to the foliage of plants, particularly during the rainy season. 
• Affected leaves turn yellow or brown. 
• Causes rolling and curling of leaves along with wilting of affected shoots. 
• French-type marigold is more susceptible. 

• Use 10 sheets of Barrix Magic Sticker Chromatic trap yellow sheet per acre. 
• Spray Nimbecidine at 6 ml/lit water. 

Chemical control: 

• Spray Tatamida SL Insecticide at 1 –  2 ml/lit water.  
• Spray Police Insecticide at 0.2 – 0.3 gm/lit water. 
• Spray Keefun Insecticide at 2 ml/lit water. 

• Distortion of affected leaves. 
• The presence of silvery specks scars on the leaves. 
• Flower petals may exhibit scars, reducing their aesthetic appeal. 
• They also feed on the developing buds resulting in deformed flowers. 

• Set up 6 – 8 yellow sticky traps for a 1-acre field. 
• Spray Kay bee Thrips Raze Insecticide at 1 – 2 ml/lit water. 
• Spray Neem 0.15% at 2 – 2.5 ml/lit water.  
• Mix and grind neem cake with Aloe vera. Soak them in water for 10 days. Then, use the filtrate for spraying.  

Chemical control: 

• Spray Benevia Insecticide at 1.7 – 2 ml/lit water.  
• Spray Anant Insecticide at 0.3 – 0.5 gm/lit water. 

• Presence of white or silvery trails on the leaves. 
• The appearance of small brown blotches on the leaf. 
• Affected leaves become shriveled or distorted. 
• Premature drop of leaves. 

• Place 4 – 6 Tapas yellow sticky traps per acre. 
• Spray Terra might bio insecticide at 3 – 7 ml/lit water. 
• Spray 5 ml of Beauveria bassiana/brongniartii per liter of water. 

Chemical control: 

• Spray Ekalux insecticide at 2 ml/lit water. 
• Spray Sivanto Bayer Insecticide at 2 ml/lit water. 

• Most prevalent during the seedling stage. 
• Necrotic rings or spots appear on the young seedlings.  
• In severe cases, the affected seedlings may collapse and die before they even emerge from the soil. 

• Treat 1 kg seeds with 10 gm of Pseudomonas fluorescens mixed in 10 ml of water  
• Drench the nursery beds with Ecoderma Bio fungicide at 10 gm/lit water. 

Chemical control: 

• Soil drench of Matco Fungicide at 4 gm/lit water. 
• Spray Hifield Ridomet 35 Fungicide at 1.5 gm/lit water 

• The appearance of white or gray powdery growth on leaves stems and flowers.  
• Infected leaves may turn yellow and fall prematurely. 
• Reduced flowering 

• Spray Kay bee Fungo Raze at 1 – 2 ml/lit water.  
• A mixture of 2 kg turmeric powder and 8 kg wood ash can be dusted over the leaves. 

Chemical control: 

• Spray Amistar Top Fungicide at 1ml/lit water. 
• Spray Roko Fungicide at 0.5 – 1 gm/lit water. 
• Spray Sultaf Fungicide at 2 gm/lit water. 

• Affected plants’ leaves may appear limp, droopy and wilted even if the soil is moist. 
• Affected stems may become soft, slim, show brown discoloration and later decay. 
• Stunted growth of the plant. 

• Soil Application of Pseudomonas fluorescence at 10 ml/lit water. 
• Mix 2 kg of Anshul Tricomax in 100 kg of FYM. And broadcast in 1 acre field. 

Chemical control: 

• Ridomil Gold can be used for soil treatment at 1 – 1.5 gm/lit water.  

• Dark brown or black lesions appear on the base of the stem. 
• Collar region of the plant becomes soft and mushy due to rotting. 
• Later, causes death of the plant. 

• Avoid overwatering the plants. 
• Practice Crop rotation. 
• Drench the nursery beds with Ecoderma Bio fungicide at 10 gm/lit water. 
• Seed treatment with Trichoderma viride at 6 ml/kg of seed  

Chemical control: 

• Seed treatment can also be done with Sixer Fungicide at 2.5 gm/kg seed. 
• Spray Dhanustin Fungicide at 0.5 – 0.7 gm/lit water. 
• Drench the soil with Blitox Fungicide at 3 gm/lit water. 

• Small, brown necrotic spots develop on the affected leaves. 
• In later stages, these spots may merge and cause the leaves to turn yellow and drop prematurely. 
• Results in poor vegetative growth. 

• Spray Pseudomonas fluorescence & Bacillus subtilis at 5 gm/lit water. 

Chemical control: 

• Spray Contaf plus Fungicide at 2 ml/lit water. 
• Spray Indofil M45 fungicide at 0.8 – 1 gm/lit water.  

• Disease infection occurs in young flower buds. 
• Infected flower buds may shrivel and turn dark brown in colour which later dry up. 
• The pathogen may also cause blight by infecting the leaves resulting in brown necrotic spots on margins of older leaves. 

• Spray Dithane M 45 Fungicide at 2 – 2.5 gm/lit water. 
• Spray Blue copper fungicide at 2.5 gm/lit water. 

• Flowers may appear water soaked and turn brown or grey as the disease progresses. 
• Gray fuzzy mold growth appears on flowers and foliage.  
• Stems may rot leading to the collapse of plants. 

• Maintain field sanitation. 
• Spray Ampelomyces quisqualis at 5 – 10 ml/lit water. 

Chemical control: 

• Spray Anand Agro Nano Shield at 2 ml/lit water. 
• Spray Latifa Fungicide at 0.5 ml/lit water.