Mahesh had been growing moong for 8 years on his 5-acre field in Hardha, Madhya Pradesh. Every season, just when he thought he had finally figured out how to increase moong crop growth, the crops would start to bloom and look their best- then he would notice leaves curling and holes in them, insects crawling underside, and by the harvest time, his crop yield would turn out 30-40% lower than it should be, Sounds familiar?

This is not just the Reality of Mahesh, but lakhs of moong farmers across India every season …

Caterpillars and Thrips are the #1 reason moong Farmers lose a significant chunk of their earnings every season. But with the right fertilisation schedule, timely growth-promoter sprays, and proven pest-control methods, you can not only protect your moong crop but also push your yield higher than you’ve ever seen. In this Blog, we’ll show you exactly how. 

What is Green Gram (Moong) Crop and Why It Matters for Farmers?

Green gram, commonly known as moong, is one of the most important and easy to grow crop in india. Its a high- protein pulse legume which is widely consumed in indian household, it can be cultivated as a kharif as well as a summer crop, and  It can grow well in different soil types and climatic conditions

Farmers prefer moong not only for its market demand but also for its :

Short Duration – 

It only takes 60-75 days to mature.

Soil Health Management –

It fixes nitrogen in the soil , enhancing fertility of soil

Increased Profitability –

Because of its quick growth and reasonable Yield, it provides higher profit returns, improving farmers’ economic stability.

Versatility –

It can be used as cover crop, helping prevent Soil Erosion.

Best Conditions for Maximum Moong Crop Growth

For achieving a high-yielding moong crop, the conditions need to be aligned in favour of it, then it would give maximum results. Some of the conditions are as follows :

Ideal Climate –

The ideal Temperature for moong is 25-30 C as moong thrives in warm, dry conditions. Excessive humidity can cause poor growth .

Rainfall & Water Requirement –

Moderate rainfall of 60-90 cm is sufficient, Excessive Rainfall can affect vegetative growth and pod formation.

Soil Type –

The ideal soil is well-drained or sandy- loam soil. The soil pH should be  6.2-7.5 for enhancing the process, and good Drainage is essential as waterlogging would badly affect the crop.

Optimal Sowing Time –

Kharif Season: late June to early July

Spring/ Summer Season: Mid-March to Mid-April.

How to Increase Green Gram (Moong) Crop Yield

Green gram (moong) is the most profitable crop for farmers in India but only if they apply the correct management practices at the right moment․ In fact‚ most farmers who do not see high yields are not doing everything wrong․ They are just missing a few critical steps at key growth stages․ Here is everything you need to do‚ in order to get the highest possible yield from your moong crop․

1. Soil Requirements for Optimal Growth 

The soil should be well-drained for optimal growth of moong; it should not be waterlogged, and the pH should be 6.5-7.5. Before sowing, do these things: 

Deep plough the field at least once to break up the hard layer of soil‚ allowing the roots to penetrate․ An application of well-rotted manure or compost (4-5 tonnes/acre) will improve soil structure and water retention․

 Lack of soil preparation is the number one reason why moong plants wilt in week one and fail to germinate well․

2. Seed Treatment

Before you plant one seed‚ treat it․ Seed treatment can be done in less than 30 minutes and can increase germination by 15 to 20% and protect the seedlings from soil-borne diseases․

Coat your seeds with a bio-fertiliser containing Rhizobium that is helpful to the moong‚ which will fix atmospheric nitrogen into the soil‚ leading to reduced fertilizer requirement and better crop․ The seeds must also be treated with a fungicide seed treatment to reduce damping-off of seedlings and root rot of young plants․

3. Timely sowing and spacing

The cops should be sown ( kharif- immediately after monsoon onset; Rabi- October-November, Summer- March-April). For the green gram crop, spacing of 30 cm*10 cm is required. Proper spacing is essential for healthy crop development as when crops are at optimal distance, it helps farmer to do activities like intercropping and keep an eye on pests and insects. 

It also helps in stable air flow between crops, which reduces the chance of diseases in crops.

4. Growth Promoter Sprays  

 Adding a growth promoter spray at the right time can push your yield significantly higher. Think of growth promoters as a performance booster for your crop․ They help the plant maximise the nutrients it absorbs‚ recover faster from stress.

The best time to spray the growth promoter is early in the morning or in the evening, but never in the afternoon heat as it reduces absorption and can burn leaves. 

Mr.Boost by Bhumi Agro is specially formulated for this purpose. A single spray at the pre-flowering stage strengthens the plant’s nutrient uptake, reduces flower drop, and supports healthy pod development — all of which directly reflect in your final yield.  Farmers who have used Mr. Boost on their moong crop consistently report visible improvement in plant health and pod count within days of application. 

5. Irrigation Management

Moong does not grow well in waterlogged land․ Overirrigation is as harmful as a drought․ 

For good germination‚ the first irrigation should be applied soon after sowing‚ followed by irrigation as per soil moisture condition․ Moong normally requires irrigation at an interval of 8-10 days during summer and 12-15 days during cooler seasons․ The two most critical application times for irrigation are at flowering and at pod filling․ Skipping irrigation during either reduces your yield․

Stop irrigation 7-10 days before Harvest to allow pods to dry and mature uniformly. 

What is Caterpillar Attack in Moong Crop — Signs & Damage

Caterpillars are the larval stage of Butterflies and Moths. They are not single pest but Multiple species which attacks moong at different growth stages. They act like chewing insects and physically eat plant tissue unlike sucking pests like aphids or whiteflies.

Most species of caterpillar are active at night or early morning which makes them really hard to spot during daytime field visits, a single caterpillar have the ability to destroy multiple leaves and pods in just 2-3 days.

Signs of Caterpillar Attack 

1. Irregular holes – older larvae eat through the leaf completely, leaving uneven holes.

2. Skeletonized leaves – all green tissues get eaten away by the caterpillars and only leaf veins get remain.

3. Bore holes on podes – small circular entry holes on pod surface.

4. Rolled leaves – caterpillar roll leaves and feed inside.

5. Presence of pupae in soil around roots if you dig slightly .

How Much Damage Can Caterpillars Cause?

• Tobacco Caterpillar can cause 40-50% loss of leaf area in the vegetative stages․
• Pod Borer can cause pod damage from 30% to 70% if flowering/podding is not controlled․

• A field can go from full of healthy leaves to complete defoliation in 3-5 days during hairy caterpillar outbreaks․
• Pod damage of 10-15% still reduces per-acre income․

• Damage at flowering is irreversible: lost flowers = lost pods = lost yield․

• Stress caused by caterpillar attack also makes the plant more susceptible to fungal diseases․

How to Protect Moong Crop from Caterpillar Attack

1. Start Before Sowing 

Always do deep plough before sowing, this exposes hidden caterpillar eggs to sunlight and birds, which helps in reducing initial pest population.

2. Keep your Field clean

Remove weeds from inside and surroundings of the field. Weeds give caterpillars a place to grow and multiply, they first multiply on weeds then comes on your moong crop for damaging it.

3. Monitor Your Field Early 

Visit your field every 3-4 days, especially early morning or in evening when caterpillar are most active. Look under the leaves to check eggs or tiny caterpillars. Also, use light traps in your field to catch them early.

4. Act Fast When You See the First Sign 

The moment you spot skeletonized leaves, bore holes in podes, or more than 1-2 larvae per plant, it is time to take an action.

One right decision at the right time can protect 40–70% of your yield from .Farmers across India trust Magnus for fast and reliable results. Whether it’s Maruqa illi, Tobacco Caterpillar, Pod Borer, or Hairy Caterpillar — MAGNUS controls all of them effectively. 

What is Thrips Attack in Green Gram — Signs & Damage 

Moong is easily affected by small insects that suck plant sap, and Thrips is one of the most damaging among them. Unlike caterpillars, thrips are tiny and nearly visible to the naked eye which makes them even more dangerous.

Thripes are sucking pest- they do not chew leaves instead pierce the plant tissue and suck out the cell sap. They thrive in hot and dry weather which is exactly the condition during moong’s summer season.

Signs of Thrips Attack

1. Pale patches on leaf surface – when thrips feed on the leaves, they suck out the plant juice making green colour fade , leaving pale patches on leaf surface.

2. Crinkled new leaves – thripes attack new soft leaves, due to which the new leaves doesn’t grow properly, they become twisted and wrinkled.

3. Flower buds drying – thripes feeds heavily inside the flower bud which makes them fall before even opening.

How Much Damage Can Thrips Cause ? 

• The most serious damage from thrips occurs during the flowering stage when fewer pods are produced․

• Studies show that Thrips can reduce a Green Gram crop by 20-50% where they are not controlled․

• In severe outbreaks and hot dry summers‚ losses can go even higher.

• Thrips can also act as vectors for viral diseases‚ such as Chilli Leaf Curl Virus‚ that may attack nearby crops․

• Due to feeding injury and virus transmission‚ Thrips are one of the economically serious pests of Moong-growing areas․

How to Control Thrips in Moong Crop Effectively

For effective control on thrips use Magnus which will gove result in 2-3 days and will stay prolonged till 15 days

1. Clean Your Field Before the Season Starts 

Many farmers ignore this step but it makes a huge difference. After your previous crop is harvested, don’t leave dry stems, roots and leaves lying in the field. Thrips hide and breed in this leftover material. Clear it out, do a deep plough and let the sun do its work. You are basically destroying next season’s pest population before it even starts. 

2. Provide Water During Heat 

Thrips are summer pest, as mentioned earlier they thrive in summers and dry conditions. They also multiply most in hot weather, a simple way to slow them down is keeping moisture in the field as it would increase humidity which would make conditions less comfortable for thripes.

3. Put Up Blue Sticky Traps 

This is something very few farmers do but it is extremely effective. Thrips are attracted to the colour blue. Place blue sticky traps at the height of your crop canopy. These traps catch adult Thrips before they lay eggs on your plants.

4. Check Your Growing Tips Every Few Days 

Thripes always attack the youngest, the most tender part of the plant – the growing tip or new opening. Make a habit of checking them every once 2-3 days, if you spot new leaves distorted or wrinkled – thripes is already there.Catching them at this stage means you can control them with far less effort and cost. 

Conclusion

Growing moong is not easy․ You manage the soil‚ the water‚ the weather and a hundred other things every single day․ After all that work‚ the last thing you want is some invisible pest quietly destroying your flowers and pods in the last few weeks before harvest․

Both caterpillars and thrips are beatable‚ you just need to know what to look for and when․ We hope this blog gave you exactly that․